Professional and technical services — page 18 of 23
6,630 open company locations, self-reported NAICS sector “Professional and technical services”.
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| Place | Company | Location ID | Industry | Since |
|---|---|---|---|---|
| San Francisco, CA | Sanchez A R-Corea & Assocs Inc | 0190078-01-001-0190078 | Professional and technical services | Jan 1, 2004 |
| San Francisco, CA | Sand Ip LLC | 1287263-09-211-1128128 | Professional and technical services | Aug 30, 2021 |
| San Francisco, CA | Sandra Pellegrino, Inc. | 1200600-09-181-1092705 | Professional and technical services | Aug 28, 2018 |
| San Francisco, CA | Sandy Speicher Design, LLC | 1396112-08-251-1172956 | Professional and technical services | Aug 1, 2025 |
| San Francisco, CA | Sanity Us, Inc | 1349866-01-241-1128541 | Professional and technical services | Aug 10, 2023 |
| Milpitas, CA | Sans Design LLC | 1371111-09-241-1031572 | Professional and technical services | Sep 22, 2024 |
| San Francisco, CA | Santos Prescott And Associates | 1433795-09-261-1067810 | Professional and technical services | Jul 1, 2026 |
| San Francisco, CA | Saorsa Growth Partners LLC | 1395541-07-251-1172708 | Professional and technical services | Jul 21, 2025 |
| San Francisco, CA | Sapowith Tax Advisory, Pc | 1389591-05-251-1170261 | Professional and technical services | Apr 30, 2025 |
| San Francisco, CA | Sardine Inc | 0413564-01-001-0413564 | Professional and technical services | May 2, 2006 |
| San Francisco, CA | Sarkar Projects LLC | 1397069-08-251-1173362 | Professional and technical services | Aug 8, 2025 |
| San Francisco, CA | Sarran & Company | 1185832-04-181-1086689 | Professional and technical services | Apr 18, 2018 |
| San Francisco, CA | Sas Institute Inc | 1313469-09-221-0927084 | Professional and technical services | Feb 19, 2021 |
| Boston, MA | Sasaki Associates, Inc. | 1389735-05-251-0203027 | Professional and technical services | Jan 6, 2023 |
| San Francisco, CA | Sasaki Scientific Consulting LLC | 1355020-03-241-1156065 | Professional and technical services | Mar 1, 2024 |
| San Francisco, CA | Satincorp Inc | 1404114-11-251-1176444 | Professional and technical services | Aug 1, 2025 |
| San Francisco, CA | Satoshi & Kin, Inc. | 1253104-06-201-1114695 | Professional and technical services | Mar 27, 2020 |
| San Francisco, CA | Saturday Design Studio LLC | 1336455-06-231-1148059 | Professional and technical services | Jan 1, 2023 |
| San Francisco, CA | Saveri & Saveri, Inc. | 1417231-03-261-0334731 | Professional and technical services | Jan 1, 2025 |
| El Segundo, CA | Saviynt Inc. | 1303782-04-221-1134679 | Professional and technical services | Aug 2, 2021 |
| San Francisco, CA | Sayad & Biren, Apc | 1332116-05-231-0305116 | Professional and technical services | Nov 1, 2022 |
| San Francisco, CA | Saylor Consulting Group | 1270058-02-211-0931996 | Professional and technical services | Feb 1, 2018 |
| San Francisco, CA | Saylor Consulting Group | 0931996-01-001-0931996 | Professional and technical services | Jan 1, 2008 |
| San Francisco, CA | Sca Environmental, Inc. | 1202019-10-181-0912517 | Professional and technical services | Oct 1, 2018 |
| San Francisco, CA | Scalac Inc | 1300835-03-221-1133450 | Professional and technical services | Jan 1, 2022 |
| San Francisco, CA | Scalecreative LLC | 1313826-09-221-1101569 | Professional and technical services | Nov 14, 2021 |
| San Francisco, CA | Scaledrev LLC | 1355605-03-241-1156266 | Professional and technical services | Mar 1, 2024 |
| San Francisco, CA | Scalent Strategies LLC | 1429488-08-261-1186919 | Professional and technical services | Jul 28, 2026 |
| San Francisco, CA | Scalp Society | 1229073-07-191-1104699 | Professional and technical services | Jul 26, 2019 |
| San Francisco, CA | Scansion, LLC | 1297476-02-221-1132045 | Professional and technical services | Jan 1, 2022 |
| San Francisco, CA | Scarlett Law Group | 0392732-01-001-0392732 | Professional and technical services | Mar 10, 2004 |
| San Francisco, CA | Scenic LLC | 1327656-03-231-1144472 | Professional and technical services | Mar 8, 2023 |
| San Francisco, CA | Schall Gerald L Md Inc | 0142788-01-001-0142788 | Professional and technical services | Jan 1, 1979 |
| San Francisco, CA | Schall Gerald L Md Inc | 0142788-01-002-0142788 | Professional and technical services | Jan 1, 1979 |
| San Francisco, CA | Schawk Usa Inc | 1290164-10-211-0396496 | Professional and technical services | Feb 1, 2020 |
| San Francisco, CA | Scherer Smith & Kenny Llp | 0320483-02-001-0320483 | Professional and technical services | Oct 12, 2005 |
| San Francisco, CA | Schinner & Shain, Llp | 1084669-07-161-1040295 | Professional and technical services | Jul 1, 2016 |
| San Francisco, CA | Schneider Dsgn Associates Inc | 0392216-01-001-0392216 | Professional and technical services | May 1, 2005 |
| San Francisco, CA | Schoenberg Family Law Group P.C. | 1352442-02-241-0488256 | Professional and technical services | Jan 8, 2024 |
| San Francisco, CA | Schox Family Office LLC | 1267528-01-211-1120528 | Professional and technical services | Jan 1, 2021 |
| San Francisco, CA | Schox, Pc | 1268569-02-211-1120975 | Professional and technical services | Jul 21, 2020 |
| San Francisco, CA | Schubert Jonckheer Et Al Llp | 0300849-01-001-0300849 | Professional and technical services | Mar 27, 2006 |
| San Francisco, CA | Schubert Jonckheer Kolbe Llp | 0300849-02-001-0300849 | Professional and technical services | Mar 8, 2010 |
| San Francisco, CA | Schulte-Architecture, Inc. | 1220808-05-191-0402225 | Professional and technical services | May 6, 2019 |
| Fremont, CA | Schutze & Associates Inc | 0485341-01-999-0485341 | Professional and technical services | Dec 12, 2013 |
| San Francisco, CA | Schwartz & Architecture Inc | 0397940-01-001-0397940 | Professional and technical services | Jan 1, 2006 |
| San Diego, CA | Science Applications International Corporation | 1158236-08-171-1074806 | Professional and technical services | Jul 28, 2017 |
| San Francisco, CA | Science Stack Consulting, LLC | 1380203-02-251-1166364 | Professional and technical services | Feb 3, 2025 |
| San Francisco, CA | Scifi Capital Management Inc. | 1302980-04-221-1100755 | Professional and technical services | Feb 18, 2022 |
| San Francisco, CA | Scm Design Group | 0923597-03-001-0923597 | Professional and technical services | Aug 2, 2008 |
| San Rafael, CA | Scoja Inc | 0439074-02-999-0439074 | Professional and technical services | Jun 1, 2013 |
| San Francisco, CA | Scope Studies LLC | 1295032-01-221-1131020 | Professional and technical services | Jan 1, 2022 |
| San Francisco, CA | Scope Zero, Inc. | 1311534-08-221-1137660 | Professional and technical services | Jul 18, 2022 |
| San Francisco, CA | Scorpio Enterprises Unlimited | 1277641-05-211-1124422 | Professional and technical services | May 10, 2021 |
| Valencia, CA | Scorpion Enterprises LLC | 1359685-05-241-1157948 | Professional and technical services | May 1, 2021 |
| San Francisco, CA | Scott & Salmanowtiz Llp | 1276490-04-211-0453959 | Professional and technical services | Sep 1, 2020 |
| La Canada Flintridge, CA | Scott Foster Engineering, Inc. | 1309285-07-221-1136744 | Professional and technical services | Jul 6, 2022 |
| San Francisco, CA | Scott I Bassin A Prof Corp | 0466513-01-001-0466513 | Professional and technical services | Feb 16, 2012 |
| San Francisco, CA | Scott R. Kline Photography, Inc. | 1420743-04-261-1070537 | Professional and technical services | Mar 1, 2026 |
| Raleigh, NC | Scottmadden, Inc. | 1155502-07-171-1073808 | Professional and technical services | Jul 25, 2017 |
| Burlingame, CA | Scrubbed Advisory, LLC | 1427476-07-261-1186443 | Professional and technical services | Mar 19, 2012 |
| San Francisco, CA | Sculpta, Inc. | 1392859-06-251-1163604 | Professional and technical services | Jun 26, 2025 |
| Dallas, TX | Sdc Personnel Services LLC | 1403213-10-251-1176040 | Professional and technical services | May 14, 2025 |
| Santa Cruz, CA | Sea Engineering, Inc. | 1247652-02-201-1112430 | Professional and technical services | Jan 6, 2020 |
| San Francisco, CA | Seakay Inc | 1085332-07-161-0399797 | Professional and technical services | Sep 16, 2004 |
| San Francisco, CA | Sealai LLC | 1356083-03-241-1156461 | Professional and technical services | Apr 3, 2023 |
| San Francisco, CA | Seam Labs, Inc. | 1338399-07-231-1148875 | Professional and technical services | Jan 10, 2019 |
| La Jolla, CA | Seamgen Inc | 1386251-04-251-1168892 | Professional and technical services | Apr 16, 2025 |
| San Francisco, CA | Search And Perch, LLC | 1278949-05-211-1029598 | Professional and technical services | May 31, 2021 |
| San Francisco, CA | Second Floor Consulting LLC | 1392698-06-251-1171479 | Professional and technical services | Jun 18, 2025 |
| San Francisco, CA | Second Gear Media LLC | 1397411-08-251-1173515 | Professional and technical services | Aug 5, 2025 |
| Berkeley, CA | Second Nature Ecology And Design LLC | 1330885-04-231-1145882 | Professional and technical services | Apr 21, 2023 |
| San Francisco, CA | Secretariat Economists LLC | 1332487-05-231-0454816 | Professional and technical services | Aug 1, 2022 |
| Tampa, FL | Securance LLC | 1255372-07-201-1115612 | Professional and technical services | Jul 9, 2020 |
| Pacheco, CA | Security By Design Inc | 0188098-02-999-0188098 | Professional and technical services | Apr 1, 2007 |
| Millbrae, CA | Sedes Architecture Inc | 0420349-01-999-0420349 | Professional and technical services | Aug 1, 2007 |
| San Francisco, CA | Seedge Consulting LLC | 1334865-06-231-1147428 | Professional and technical services | Jun 5, 2023 |
| San Francisco, CA | Seel, Inc. | 1306629-06-221-1135701 | Professional and technical services | Jan 1, 2021 |
| San Francisco, CA | Seel, Inc. | 1399550-09-251-1135701 | Professional and technical services | Sep 30, 2024 |
| San Francisco, CA | Seen Technologies LLC | 1403709-11-251-1176258 | Professional and technical services | Nov 10, 2022 |
| San Francisco, CA | Seen Therapeutics, Inc. | 1402736-10-251-1175827 | Professional and technical services | Sep 29, 2025 |
| San Francisco, CA | Seer LLC | 1368993-08-241-1161529 | Professional and technical services | Aug 10, 2024 |
| San Francisco, CA | Seifel Consulting Inc | 1368503-08-241-0953845 | Professional and technical services | Jul 1, 2024 |
| Oakland, CA | Seifert Engineering Inc | 0476151-01-999-0476151 | Professional and technical services | Jan 29, 2013 |
| San Francisco, CA | Seifert Zuromski Llp | 1332204-05-231-1130147 | Professional and technical services | Sep 22, 2022 |
| Berkeley, CA | Seismic Isolation Engineering, Inc. | 1150660-06-171-0429542 | Professional and technical services | Sep 1, 2016 |
| San Francisco, CA | Seldin Design Studios LLC | 1304653-05-221-0475292 | Professional and technical services | Dec 15, 2017 |
| Philadelphia, PA | Sellers Dorsey & Associates LLC | 1372134-10-241-1162847 | Professional and technical services | Oct 7, 2024 |
| San Francisco, CA | Selman, Leichenger, Edson, Hsu, Newman & Moore, Llp | 1326994-03-231-1144175 | Professional and technical services | Jan 1, 2023 |
| San Francisco, CA | Semco Engineering Inc | 0374346-01-001-0374346 | Professional and technical services | Mar 16, 2006 |
| Crawfordville, FL | Semianalysis LLC | 1433959-09-261-1189241 | Professional and technical services | May 1, 2026 |
| San Ramon, CA | Sensiba Llp | 1391641-06-251-1068378 | Professional and technical services | Jul 1, 2015 |
| Santa Monica, CA | Sensible Weather Co. | 1329729-04-231-1145380 | Professional and technical services | Aug 22, 2022 |
| San Francisco, CA | Sensors & Signals LLC | 1344126-10-231-1151377 | Professional and technical services | Oct 4, 2023 |
| San Francisco, CA | Sentant Networks LLC/Sentant | 1151086-06-171-1072159 | Professional and technical services | Aug 1, 2016 |
| San Francisco, CA | Sentant Networks, LLC | 1226398-06-191-1072159 | Professional and technical services | Apr 1, 2019 |
| Irvine, CA | Sentinel Offender Services, LLC | 1204293-10-181-1094443 | Professional and technical services | Oct 31, 2018 |
| San Francisco, CA | Sentinella Advisors LLC | 1383631-03-251-1167785 | Professional and technical services | Feb 28, 2025 |
| San Francisco, CA | Sentio Xyz Inc. | 1389928-05-251-1170389 | Professional and technical services | Apr 4, 2025 |
| San Francisco, CA | Sepia Biosciences LLC | 1391087-06-251-1170838 | Professional and technical services | May 31, 2025 |
| San Francisco, CA | Sepia Biosciences LLC | 1391086-06-251-1170838 | Professional and technical services | May 31, 2025 |
| Lakewood Ranch, FL | Sequent Solutions, LLC | 1169535-12-171-1080189 | Professional and technical services | Nov 22, 2017 |
| San Mateo, CA | Sequoia Benefits And Insurance Services, LLC | 1353572-02-241-1155457 | Professional and technical services | Mar 16, 2020 |
| Walnut Creek, CA | Sequoia Ecological Consulting, Inc. | 1312603-08-221-1138115 | Professional and technical services | Aug 1, 2022 |
| Portland, OR | Sera Architects, Inc. | 1341521-08-231-0424052 | Professional and technical services | Jul 1, 2022 |
| San Francisco, CA | Serene Technologies, LLC | 1432968-09-261-1188789 | Professional and technical services | Mar 1, 2025 |
| San Francisco, CA | Serenity Energy Inc. | 1428651-07-261-1186953 | Professional and technical services | Jul 20, 2026 |
| San Francisco, CA | Serenityforwork Inc | 1404006-11-251-1176396 | Professional and technical services | Oct 9, 2025 |
| El Dorado, CA | Serrano Advisors LLC | 1380352-02-251-1166423 | Professional and technical services | Feb 3, 2025 |
| Oakland, CA | Service First Permits, LLC | 1426153-06-261-1185863 | Professional and technical services | Jun 26, 2026 |
| Reston, VA | Servicetec International Inc | 1080696-07-161-0329924 | Professional and technical services | Apr 1, 1999 |
| San Francisco, CA | Seven Hills Llp | 1408952-01-261-1115664 | Professional and technical services | Jan 23, 2026 |
| Woodbridge, VA | Seventh Sense Consulting, LLC | 1252948-06-201-1114623 | Professional and technical services | Jun 2, 2020 |
| San Francisco, CA | Severson & Werson, A Professional Corporation | 1308515-06-221-0043699 | Professional and technical services | Jun 1, 2022 |
| San Francisco, CA | Seworks Inc | 1316845-10-221-1007347 | Professional and technical services | Oct 23, 2022 |
| San Francisco, CA | Sf Auto Works Inc | 0203042-01-001-0203042 | Professional and technical services | Aug 8, 1988 |
| San Francisco, CA | Sf Bay Media Group | 1241650-01-201-0341513 | Professional and technical services | Jan 1, 2020 |
| San Francisco, CA | Sf Bookkeeping Company | 0435666-02-001-0435666 | Professional and technical services | Mar 1, 2010 |
| San Francisco, CA | Sf Bridge Solutions, LLC | 1318647-11-221-1140686 | Professional and technical services | Nov 14, 2022 |
| San Francisco, CA | Sf Equity Partners Mgmt LLC | 0389237-01-001-0389237 | Professional and technical services | Jun 10, 2011 |
| San Francisco, CA | Sf Events And Productions LLC | 1409776-02-261-1166170 | Professional and technical services | Feb 2, 2026 |
| San Francisco, CA | Sf General Hospital Foundation | 0402610-01-001-0402610 | Professional and technical services | Mar 1, 1994 |
| San Francisco, CA | Sf Network Services Group | 0453592-02-001-0453592 | Professional and technical services | Nov 5, 2010 |
| San Francisco, CA | Sf Oriental Group Inc | 1401423-10-251-1175244 | Professional and technical services | Oct 1, 2025 |
| San Francisco, CA | Sf Silicon Services Inc | 1004576-08-141-1002873 | Professional and technical services | Jul 5, 2014 |
| San Francisco, CA | Sfbay Financial Inc | 1304629-05-221-1090980 | Professional and technical services | Oct 18, 2021 |
| San Francisco, CA | Sfm Technology Services, LLC | 1387980-05-251-1169617 | Professional and technical services | May 2, 2025 |
| San Francisco, CA | Sfo Partners | 1089242-08-161-1042445 | Professional and technical services | Aug 15, 2016 |
| Sacramento, CA | Sgh Solutions, LLC | 1398613-09-251-1174034 | Professional and technical services | Aug 29, 2025 |
| San Francisco, CA | Shailvi Ventures LLC | 1359884-05-241-1158027 | Professional and technical services | May 2, 2024 |
| San Francisco, CA | Shanahan Interior Design, LLC | 1407478-01-261-1166069 | Professional and technical services | Feb 1, 2026 |
| San Francisco, CA | Shanahan Interior Design, LLC | 1379551-01-251-1166069 | Professional and technical services | Jan 19, 2025 |
| San Francisco, CA | Shape Reality LLC | 1397596-08-251-1173598 | Professional and technical services | Aug 20, 2025 |
| San Francisco, CA | Shapero Law Firm, Pc | 1332210-05-231-1146435 | Professional and technical services | May 20, 2022 |
| San Francisco, CA | Shareway, Inc. | 1370584-09-241-1162203 | Professional and technical services | Nov 1, 2023 |
| San Francisco, CA | Sharma Law Group | 1153416-07-171-1072895 | Professional and technical services | Jul 3, 2017 |
| San Francisco, CA | Sharma Law Group | 1153417-07-171-1072895 | Professional and technical services | Jul 3, 2017 |
| San Francisco, CA | Shartsis Friese Llp | 1358023-04-241-0094027 | Professional and technical services | Feb 12, 2024 |
| San Francisco, CA | Shasqi, Inc. | 1240564-12-191-1109493 | Professional and technical services | Dec 21, 2018 |
| San Francisco, CA | Shea Labagh Etal Cpa Inc | 0063326-01-001-0063326 | Professional and technical services | Aug 2, 2002 |
| San Francisco, CA | Shearman & Sterling Llp | 1130027-12-161-0121399 | Professional and technical services | May 2, 2016 |
| San Francisco, CA | Shearman & Sterling Llp | 1349867-01-241-0121399 | Professional and technical services | Jan 1, 2024 |
| Hercules, CA | Shec Inc- Safety Health & Environmental Consultants | 1273481-04-211-1011557 | Professional and technical services | Sep 19, 2017 |
| Richmond, CA | Shec Inc-Safety Health & Environmental Consultants | 1023863-03-151-1011557 | Professional and technical services | Mar 24, 2015 |
| San Francisco, CA | Shelly Guyer And Associates, LLC | 1320810-12-221-1141620 | Professional and technical services | Dec 29, 2022 |
| San Francisco, CA | Shenandoah Drive Advisors LLC | 1397683-08-251-1173632 | Professional and technical services | Jan 20, 2025 |
| San Francisco, CA | Shennon Biotechnologies Inc. | 1328887-03-231-1136664 | Professional and technical services | Mar 31, 2023 |
| South San Francisco, CA | Shepard Av, LLC | 1278219-05-211-1124649 | Professional and technical services | Jul 1, 2020 |
| San Francisco, CA | Sher Edling Llp | 1335603-06-231-1059064 | Professional and technical services | Oct 1, 2017 |
| San Francisco, CA | Sherrill Engineering Inc | 0447376-01-001-0447376 | Professional and technical services | Mar 8, 2010 |
| San Francisco, CA | Sherwood Design Engineers Ltd | 1223523-05-191-0386129 | Professional and technical services | Feb 1, 2019 |
| Monarch Beach, CA | Shields Resource Group | 1160058-09-171-1075662 | Professional and technical services | Sep 1, 2017 |
| San Francisco, CA | Shift Project Management LLC | 1393407-07-251-1171771 | Professional and technical services | Jun 11, 2025 |
| Irving, TX | Shiftkey, LLC | 1404110-11-251-1176442 | Professional and technical services | Nov 3, 2025 |
| San Francisco, CA | Shiftrx Inc. | 1411276-02-261-1179553 | Professional and technical services | Dec 1, 2025 |
| San Francisco, CA | Shipyard Advisors, LLC | 1390063-05-251-1113147 | Professional and technical services | May 27, 2025 |
| San Francisco, CA | Shokunin Consulting LLC | 0474871-01-001-0474871 | Professional and technical services | Nov 1, 2012 |
| San Francisco, CA | Shook Hardy & Bacon Llp | 1309587-07-221-0326179 | Professional and technical services | Apr 1, 2021 |
| New York, NY | Shop Architects, Pc | 1244421-01-201-1111126 | Professional and technical services | Dec 1, 2015 |
| San Francisco, CA | Shop Architects, Pc | 1244681-01-201-1111126 | Professional and technical services | Dec 1, 2015 |
| San Francisco, CA | Shorecal Engineering Inc | 1368435-08-241-1161300 | Professional and technical services | Aug 1, 2024 |
| San Francisco, CA | Showscape, Inc. | 1393792-07-251-1171951 | Professional and technical services | Feb 16, 2025 |
| San Francsico, CA | Shredsf, LLC | 1328015-03-231-0413269 | Professional and technical services | Mar 15, 2023 |
| San Francisco, CA | Shube Ventures, LLC | 1379320-01-251-1165968 | Professional and technical services | Jan 14, 2025 |
| San Francisco, CA | Shwiff Levy & Polo Llp | 0328806-01-001-0328806 | Professional and technical services | Jan 1, 1999 |
| San Francisco, CA | Shynianbio Inc | 1318354-11-221-1140566 | Professional and technical services | Nov 1, 2022 |
| San Francisco, CA | Side Of Sweet, LLC | 1249562-03-201-1113256 | Professional and technical services | Mar 12, 2020 |
| San Francisco, CA | Sideman & Bancroft Llp | 0304873-01-001-0304873 | Professional and technical services | Jan 1, 1997 |
| Chicago, IL | Sidley Austin (Dc) Llp | 1411716-02-261-1179735 | Professional and technical services | Jan 1, 2025 |
| Chicago, IL | Sidley Austin (Ny) Llp | 1411722-02-261-1179738 | Professional and technical services | Jan 1, 2025 |
| Chicago, IL | Sidley Austin (Tx) Llp | 1411714-02-261-1179733 | Professional and technical services | Jan 1, 2025 |
| San Francisco, CA | Sidley Austin Llp | 1418252-04-261-0465376 | Professional and technical services | Feb 2, 2026 |
| Chicago, IL | Sidley Austin Llp | 1411726-02-261-1179741 | Professional and technical services | Jan 1, 2025 |
| San Francisco, CA | Siegel & Gale LLC | 1338497-07-231-1148916 | Professional and technical services | Jan 1, 2023 |
| Stockton, CA | Siegfried Engineering, Inc. | 1387383-04-251-1169369 | Professional and technical services | Apr 29, 2025 |
| San Francisco, CA | Siegman & Associates | 1191199-06-181-1088787 | Professional and technical services | Jun 6, 2018 |
| San Francisco, CA | Sierra Bay Partners | 1402268-10-251-1170216 | Professional and technical services | Oct 17, 2025 |
| San Francisco, CA | Sierra Technologies, Inc. | 1354863-03-241-1156010 | Professional and technical services | Jun 19, 2023 |
| Alpharetta, GA | Sierra-Cedar, LLC | 1276008-04-211-1005475 | Professional and technical services | Jul 2, 2014 |
| San Francisco, CA | Sightline Communications LLC | 1355620-03-241-1156273 | Professional and technical services | Mar 1, 2024 |
| San Francisco, CA | Sigma Consulting LLC | 1405022-11-251-1088836 | Professional and technical services | Nov 22, 2025 |
| Stoughton, WI | Signalwire, Inc. | 1319695-12-221-1141127 | Professional and technical services | Jan 1, 2021 |
| Mclean, CA | Signature Comml Solutions LLC | 1373103-10-241-1143648 | Professional and technical services | Jan 1, 2014 |
| Hayward, CA | Signet Testing Laboratories, Inc. | 1009350-10-141-1004883 | Professional and technical services | Jul 1, 2014 |
| San Francisco, CA | Silas Scientific LLC | 1402502-10-251-1175723 | Professional and technical services | Oct 13, 2025 |
| Menlo Park, CA | Silicon Valley Finance Group | 1387122-04-251-1169260 | Professional and technical services | Jan 6, 2025 |
| San Francisco, CA | Silver Path Holdings, LLC | 1316905-10-221-1139936 | Professional and technical services | Oct 14, 2022 |
| San Francisco, CA | Silverstein & Pomerantz Llp | 1004517-08-141-0372155 | Professional and technical services | May 1, 2014 |
| San Francisco, CA | Silvestrum Climate Associates, LLC | 1378297-01-251-1165515 | Professional and technical services | Jan 6, 2025 |
| Nevada City, CA | Sima Consultancy LLC | 1159505-08-171-0472777 | Professional and technical services | Jan 29, 2013 |
| San Francisco, CA | Simmian Systems Inc | 0324124-01-001-0324124 | Professional and technical services | Oct 1, 2000 |
| San Francisco, CA | Simmons Wavelength Limited | 1305697-05-221-1135383 | Professional and technical services | May 18, 2022 |
| San Francisco, CA | Simmons Wavelength Limited | 1305696-05-221-1135383 | Professional and technical services | May 18, 2022 |
| San Francisco, CA | Simon Associates | 1424419-06-261-0181623 | Professional and technical services | Jun 2, 2026 |
| San Francisco, CA | Simon Everett, Ltd. | 1429633-08-261-1187373 | Professional and technical services | Aug 6, 2026 |
| San Francisco, CA | Simon-Kucher & Partners | 1146178-05-171-1070097 | Professional and technical services | Apr 4, 2016 |
| San Francisco, CA | Simple Ai Lab Company | 1428468-07-261-1158654 | Professional and technical services | May 16, 2026 |
| San Francisco, CA | Simplex U.S.A., Inc. | 1264635-11-201-1060595 | Professional and technical services | Sep 25, 2020 |
| San Francisco, CA | Simplicit Inc | 0481699-01-001-0481699 | Professional and technical services | Jan 1, 2007 |
| San Francisco, CA | Simply Patient LLC | 1300801-03-221-1133439 | Professional and technical services | Mar 22, 2022 |
| San Francisco, CA | Simply Plus Design, LLC | 1367005-07-241-1160727 | Professional and technical services | May 23, 2024 |
| Oakland, CA | Simpson Gumpertz & Heger Inc. | 1276740-05-211-0127671 | Professional and technical services | Dec 1, 2020 |
| Canton, MA | Simtech Solutions Inc. | 1321527-01-231-1141913 | Professional and technical services | Jan 10, 2023 |
| San Francisco, CA | Singer Associates Inc | 0341513-01-001-0341513 | Professional and technical services | Sep 10, 2010 |
| San Francisco, CA | Singer Cashman Llp | 1218782-04-191-0487661 | Professional and technical services | Feb 1, 2015 |
| San Francisco, CA | Sinkevich Ventures, LLC | 1413303-02-261-1180378 | Professional and technical services | Jan 1, 2025 |
| San Francisco, CA | Sinotype Technology Intl Inc | 0314247-01-001-0314247 | Professional and technical services | Aug 1, 2008 |
| San Francisco, CA | Siol Inc | 1250822-04-201-0424053 | Professional and technical services | Jan 1, 2020 |
| San Francisco, CA | Siren Biotechnology, Inc. | 1289864-10-211-1129018 | Professional and technical services | Oct 21, 2021 |
| San Francisco, CA | Siren Biotechnology, Inc. | 1365464-07-241-1129018 | Professional and technical services | Jul 1, 2024 |
| San Francisco, CA | Sirkin & Associates A Law Corp | 0457849-02-001-0457849 | Professional and technical services | Sep 1, 2011 |
| San Francisco, CA | Sisneros Graziani Llp | 1241663-01-201-1012882 | Professional and technical services | Apr 6, 2015 |
| San Francisco, CA | Site Tx, Inc. | 1361553-05-241-1158605 | Professional and technical services | May 2, 2024 |
| San Francisco, CA | Siteline Technologies Inc | 1273140-03-211-1104093 | Professional and technical services | Jun 20, 2019 |
| Lenexa, KS | Sitespan LLC | 1368665-08-241-1161395 | Professional and technical services | Aug 19, 2024 |
| San Francisco, CA | Sitrick Brincko Group LLC | 0446103-01-001-0446103 | Professional and technical services | Nov 12, 2009 |
| Atlanta, GA | Six Continents Hotels Inc | 1042824-10-151-1020033 | Professional and technical services | Jan 1, 2014 |
| Canonburg, PA | Sixense Inc | 1190508-05-181-0454532 | Professional and technical services | May 31, 2018 |
| San Francisco, CA | Sixteen Spoons LLC | 1347402-11-231-1152791 | Professional and technical services | Nov 27, 2023 |
| San Francisco, CA | Sj Harrison LLC | 1271646-03-211-1122225 | Professional and technical services | Feb 25, 2021 |
| San Francisco, CA | Sjk Global, Inc. | 1270002-02-211-1121566 | Professional and technical services | Feb 22, 2021 |
| San Francisco, CA | Sjpl Cm Partners Jv | 1395351-07-251-1172619 | Professional and technical services | Jul 1, 2025 |
| San Francisco, CA | Sjr Law Corporation | 1387384-04-251-1151367 | Professional and technical services | May 1, 2024 |
| White Plains, NY | Skadden, Arps, Slate, Meagher & Flom Llp | 1279763-06-211-0173186 | Professional and technical services | Jan 1, 1987 |
| San Francisco, CA | Skane Mills Llp | 1371056-09-241-1162383 | Professional and technical services | Dec 1, 2023 |
| San Francisco, CA | Sketchpro Technologies, Inc. | 1353739-02-241-1155534 | Professional and technical services | Jan 8, 2024 |
| San Francisco, CA | Skim Analytical Inc | 1082646-07-161-0471757 | Professional and technical services | Jun 1, 2015 |
| San Francisco, CA | Skip Innovations Inc | 1352714-02-241-1155088 | Professional and technical services | Jul 1, 2023 |
| San Francisco, CA | Skip Robotics LLC | 1276800-05-211-1124086 | Professional and technical services | May 3, 2021 |
| San Francisco, CA | Skootsky & Der Llp | 0401638-01-001-0401638 | Professional and technical services | Jul 11, 2011 |
| San Francisco, CA | Skycatch Inc. | 1383313-03-251-1000482 | Professional and technical services | Jan 1, 2025 |
| San Francisco, CA | Skylark Consulting Group Incorporated | 1259399-09-201-1117241 | Professional and technical services | Apr 29, 2019 |
| Sarasota, FL | Skylight Inc. | 1353687-02-241-1155506 | Professional and technical services | Feb 12, 2024 |
| San Francisco, CA | Skyramp Inc. | 1322031-01-231-1142142 | Professional and technical services | Jun 24, 2022 |
| San Francisco, CA | Skyrun Ai, Inc. | 1429644-08-261-1187377 | Professional and technical services | Sep 1, 2025 |
| San Francisco, CA | Skyselect, Inc. | 1269843-02-211-1086779 | Professional and technical services | Jan 31, 2021 |
| Palo Alto, CA | Skywalk Inc. | 1349627-01-241-1153729 | Professional and technical services | Jan 1, 2024 |
| San Francisco, CA | Skywalker Studios LLC | 1406780-12-251-1177624 | Professional and technical services | Sep 10, 2025 |
| San Francisco, CA | Sl Environmental Law Group Pc | 1258278-08-201-1061269 | Professional and technical services | Aug 1, 2020 |
| San Francisco, CA | Sl Management Services LLC | 1372499-10-241-1162997 | Professional and technical services | Oct 1, 2024 |
| San Francisco, CA | Sl Research LLC | 1372123-10-241-1162842 | Professional and technical services | Apr 2, 2024 |
| San Francisco, CA | Slap/Seize The World Inc | 0932585-02-001-0932585 | Professional and technical services | Aug 22, 2011 |
| Oakland, CA | Slate Geotechnical Consultants, Inc. | 1255999-07-201-1115902 | Professional and technical services | Jul 16, 2020 |
| Pacifica, CA | Sln Consulting Group | 0452136-01-999-0452136 | Professional and technical services | Sep 1, 2010 |
| San Francisco, CA | Slote, Links & Boreman, Pc | 1298885-02-221-1132641 | Professional and technical services | Jul 1, 2021 |
| Oakland, CA | Slr International Corporation | 1025853-04-151-1012483 | Professional and technical services | Mar 1, 2015 |
| San Francisco, CA | Slx Pharmaceuticals LLC | 0472308-01-001-0472308 | Professional and technical services | Aug 15, 2012 |
| Dublin, OH | Smact Works, Inc | 1427417-07-261-1186416 | Professional and technical services | Jul 1, 2026 |
| San Francisco, CA | Smallstep Labs,Inc | 1130822-12-161-1062783 | Professional and technical services | Sep 15, 2016 |
| Wilmington, DE | Smartcat Platform Inc | 1402433-10-251-1175689 | Professional and technical services | Oct 20, 2025 |
| Pasadena, CA | Smarter Companies, LLC Dba Xpress Testing | 1231214-08-191-1105514 | Professional and technical services | Aug 8, 2019 |
| New York, NY | Smarterdx, Inc. | 1388003-05-251-1169628 | Professional and technical services | Nov 1, 2024 |
| San Francisco, CA | Smartly.Io Solutions Inc. | 1190578-06-181-1088547 | Professional and technical services | Feb 9, 2017 |
| San Francisco, CA | Smartmeasurement LLC | 0445215-01-001-0445215 | Professional and technical services | Jan 1, 2002 |
| San Francisco, CA | Smartshoot Inc | 1023469-03-151-0471295 | Professional and technical services | Mar 1, 2015 |
| San Francisco, CA | Smartshoot, Inc. | 1193577-06-181-0471295 | Professional and technical services | Mar 15, 2018 |
| So San Francisco, CA | Smd Investments, Inc. | 1288963-10-211-0425986 | Professional and technical services | Oct 1, 2021 |
| Castro Valley, CA | Smith & Associates Environmental Health And Safety LLC | 1297568-02-221-1132083 | Professional and technical services | Feb 11, 2022 |
| San Francisco, CA | Smith & Co Cpa's | 0197844-03-001-0197844 | Professional and technical services | Jan 1, 2005 |
| San Rafael, CA | Smith & Co Cpa's | 0197844-02-999-0197844 | Professional and technical services | Nov 15, 2000 |
| San Francisco, CA | Smith Fause & Mcdonald Inc | 0173276-01-001-0173276 | Professional and technical services | Feb 11, 2002 |
| San Francisco, CA | Smith Lillis Pitha Llp | 0429352-02-001-0429352 | Professional and technical services | Apr 30, 2012 |
| San Francisco, CA | Smith Shapourian Mignano Pc | 1192239-06-181-1089221 | Professional and technical services | Jan 19, 2017 |
| San Francisco, CA | Smith-Emery Of Sf Inc | 0426625-01-001-0426625 | Professional and technical services | Jan 2, 2008 |
| San Francisco, CA | Smiths Veterinary Services Inc | 0483917-01-001-0483917 | Professional and technical services | Sep 1, 2013 |
| San Francisco, CA | Smule Inc | 1030862-06-151-0460795 | Professional and technical services | Jan 1, 2015 |
| Hayward, CA | Snackit LLC | 1403320-11-251-1176085 | Professional and technical services | Nov 1, 2025 |
| S San Fran, CA | Snapfiesta Inc | 0481025-01-999-0481025 | Professional and technical services | Jul 1, 2013 |
| Belvedere, CA | Snd Software, Inc., Dba Software Next Door | 1291073-11-211-0477852 | Professional and technical services | Nov 5, 2021 |
| San Francisco, CA | Snorkel Ai, Inc | 1386831-04-251-1169133 | Professional and technical services | Apr 1, 2024 |
| San Francisco, CA | Snyder Trust Enterprises | 0094329-05-001-0094329 | Professional and technical services | Jan 1, 1988 |
| San Francisco, CA | Snyder Trust Enterprises | 0094329-04-001-0094329 | Professional and technical services | Jan 1, 1988 |
| San Francisco, CA | Snyder Trust Enterprises | 1187593-05-181-0094329 | Professional and technical services | Jan 1, 1980 |
| San Francisco, CA | Soaprojects Inc | 0468404-01-001-0468404 | Professional and technical services | Apr 16, 2012 |
| San Francisco, CA | Social Canvas Corp | 1336544-06-231-1148098 | Professional and technical services | May 22, 2023 |
| Chapel Hill, NC | Social Data Analytics LLC | 1383091-03-251-1167556 | Professional and technical services | Mar 9, 2025 |
| San Francisco, CA | Social Finance, Inc. Which Will Do Business In California As Social Finance Group | 1328267-03-231-1144749 | Professional and technical services | Mar 23, 2023 |
| San Francisco, CA | Social Imprints LLC | 1073415-05-161-0434862 | Professional and technical services | Apr 1, 2014 |
| San Francisco, CA | Social Imprints, LLC | 1207269-12-181-0434862 | Professional and technical services | Dec 10, 2018 |
| San Francisco, CA | Socialproof Security LLC | 1201235-09-181-1093021 | Professional and technical services | Sep 1, 2018 |
| San Francisco, CA | Society Creative LLC | 1054582-02-161-0425621 | Professional and technical services | May 16, 2015 |
| San Francisco, CA | Sociofabrica Inc | 1021993-03-151-1010632 | Professional and technical services | May 3, 2011 |
| San Francisco, CA | Soco Consulting LLC | 1331870-05-231-1146301 | Professional and technical services | Apr 21, 2023 |
| Incline Village, NV | Socure Inc. | 1305009-05-221-1135125 | Professional and technical services | Dec 1, 2019 |
| San Francisco, CA | Sofar Ocean Usg, Inc. | 1405486-12-251-1177064 | Professional and technical services | Dec 5, 2025 |
| San Francisco, CA | Sofen LLC | 1427825-07-261-1186595 | Professional and technical services | Jul 7, 2026 |
| San Francisco, CA | Soft Systems Lab Cloud LLC | 1432280-09-261-1188493 | Professional and technical services | Sep 4, 2026 |
| Atlanta, GA | Softvision LLC | 1282872-07-211-0458403 | Professional and technical services | Jul 1, 2001 |
| Los Angeles, CA | Sohonet, Inc. | 1258347-08-201-1116812 | Professional and technical services | Jan 1, 2019 |
| San Francisco, CA | Sojern Inc | 1335177-06-231-0482358 | Professional and technical services | Sep 1, 2022 |
| San Francisco, CA | Sokolove Law Llp | 1341090-08-231-1150042 | Professional and technical services | Jul 1, 2023 |
| Folsom, CA | Sol Infotech LLC | 1427268-07-261-1186353 | Professional and technical services | Jul 10, 2026 |
| Richmond, CA | Solachi Writes, Ink LLC | 1340098-08-231-1149589 | Professional and technical services | Aug 1, 2023 |
| San Francisco, CA | Solana Labs, Inc. | 1306265-05-221-1098582 | Professional and technical services | Oct 1, 2021 |
| Tucson, AZ | Solar Tech Collective LLC | 1374494-11-241-1163859 | Professional and technical services | Nov 11, 2024 |
| San Francisco, CA | Solas Architecture, Inc. | 1265316-12-201-1119589 | Professional and technical services | Nov 30, 2020 |
| San Francisco, CA | Solichamba LLC | 1393243-07-251-1171702 | Professional and technical services | Jul 1, 2025 |
| San Francisco, CA | Solidago Consulting LLC | 1404639-11-251-1176689 | Professional and technical services | Oct 8, 2025 |
| San Francisco, CA | Solium, LLC | 1431929-09-261-1188335 | Professional and technical services | Sep 1, 2026 |
| San Francisco, CA | Solomon B Cera, A Professional Corporation | 1423713-05-261-0475243 | Professional and technical services | Feb 1, 2025 |
Alphabetical order — this site ranks no one. Open company locations in the San Francisco Treasurer & Tax Collector file of October 2, 2026. Individuals are not on this site. How to read this.