Company lists · Data refreshed September 2026

Top 21 IT staffing firms based in San Francisco, United States

Name: IT staffing firms based in San Francisco, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 4, 2026 260 companies tracked

RevenueBase identified 260 company matches for IT staffing firms associated with San Francisco, United States as of September 2026 and tracks 3,192 professional contacts across them, including 574 with verified work emails. Across the United States, New York is the largest hub for this category (950 companies); San Francisco has 260.

This list covers company matches for IT staffing firms associated with San Francisco, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 4, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 4, 2026 How this list was built

260Companies

3,192Contacts tracked

574Verified emails

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The 21 largest IT staffing firms based in San Francisco, United States

Ranked by team size

Top 21 of 260 company matches for IT staffing firms based in San Francisco, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 4, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	The JOB Shop	Exact match	San Francisco, CA, United StatesHQ recorded Sep 4, 2026	201-500	77 contacts →
	Exact match “The Job Shop listens to both clients and candidates with equal care, ensuring thoughtful, custom placements that truly fit.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
2	Rocketpower, A Kellyocg Company	Exact match	San Francisco, CA, United StatesHQ recorded Sep 4, 2026	201-500	72 contacts →
	Exact match “RocketPower has officially joined forces with Sevenstep, a global leader in talent solutions and part of the KellyOCG family.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
3	Work Personnel Services	Exact match	San Francisco, CA, United StatesHQ recorded Sep 4, 2026	11-50	69 contacts →
	Exact match “We specialize in full-service administrative, light industrial, and business professional staffing.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
4	Gensigma	Exact match	San Francisco, CA, United StatesHQ recorded Sep 4, 2026	201-500	56 contacts →
	Exact match “Gensigma was founded in the year 2015 to solve real-world problems with the help of technology.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
5	Andiamo Group Talent Partners	Exact match	San Francisco, CA, United StatesHQ recorded Sep 4, 2026	11-50	46 contacts →
	Exact match “Placing talent in Sales, Marketing, Product and Engineering, Andiamo!” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
6	Diligente Technologies	Exact match	San Francisco, CA, United StatesHQ recorded Sep 4, 2026	51-200	45 contacts →
	Exact match “Diligente Technologies follows a streamlined screening process that enables us to target the right individuals from the very beginning.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
7	Vhire INC	Exact match	San Francisco, CA, United StatesHQ recorded Sep 4, 2026	51-200	33 contacts →
	Exact match “Founded in 2013 with a vision to demystify the recruiting process, vHire is a Silicon Valley initiative committed to transform the customary recruiting practice into an innovative…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
8	TMC Software	Exact match	San Francisco, CA, United StatesHQ recorded Sep 4, 2026	11-50	28 contacts →
	Exact match “TMC Software has been providing expert IT consulting services and staffing since 1995.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
9	Maven Recruiting Group	Exact match	San Francisco, CA, United StatesHQ recorded Sep 4, 2026	11-50	27 contacts →
	Exact match “Maven Recruiting Group specializes in recruiting Executive Assistants, administrative, operations, and Human Resources professionals to the Bay Area’s most prominent Executives…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
10	Density Labs	Exact match	San Francisco, CA, United StatesHQ recorded Sep 4, 2026	11-50	27 contacts →
	Exact match “At Density Labs, our mission is to provide prime-quality IT staff augmentation services tailored to meet the needs of any company.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
11	Coit Group	Exact match	San Francisco, CA, United StatesHQ recorded Sep 4, 2026	11-50	26 contacts →
	Exact match “Coit Group brings ultra-achievers and visionary companies together to engineer the future of tomorrow.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
12	Bridge, INC	Exact match	San Francisco, United StatesHQ recorded Sep 4, 2026	11-50	26 contacts →
	Exact match “Full-cycle talent acquisition management platform.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
13	Innovations PSI	Exact match	San Francisco, CA, United StatesHQ recorded Sep 4, 2026	1-10	24 contacts →
	Exact match “Innovations is a leading West Coast Recruiting firm.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
14	Hire'in Solutions	Exact match	San Francisco, CA, United StatesHQ recorded Sep 4, 2026	11-50	20 contacts →
	Exact match “HireIn Solutions is a growing staffing and recruiting company headquartered in California, USA.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
15	RED M	Exact match	San Francisco, CA, United StatesHQ recorded Sep 4, 2026	11-50	20 contacts →
	Exact match “M&T Consulting is a global Staffing Agency, that was founded in by passionate and dedicated professionals.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
16	Worqflow	Exact match	San Francisco, CA, United StatesHQ recorded Sep 4, 2026	11-50	17 contacts →
	Exact match “WorQFlow is your trusted partner for technology talent and advisory solutions across ERP, CRM, Data, Cloud, AI, and beyond Businesses lose time and money on failed transformation…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
17	Cidersoft	Exact match	San Francisco, CA, United StatesHQ recorded Sep 4, 2026	51-200	17 contacts →
	Exact match “Cidersoft is a San Francisco based software development company that offers full-service software design and development.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
18	Stackedsp	Exact match	San Francisco, CA, United StatesHQ recorded Sep 4, 2026	11-50	14 contacts →
	Exact match “We help tech startups achieve audacious goals by stacking their teams with champions.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
19	Allstarsit	Exact match	San Francisco, CA, United StatesHQ recorded Sep 4, 2026	501-1,000	14 contacts →
	Exact match “ALLSTARSIT is an international outstaffing service provider that helps businesses recruit, pay, insure, and support top global talent with payroll, benefits, and more.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
20	Ampelfy	Exact match	San Francisco, CA, United StatesHQ recorded Sep 4, 2026	11-50	13 contacts →
	Exact match “Hiring great talent is expensive and time intensive.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
21	otodigital.ai	Exact match	San Francisco, United StatesHQ recorded Sep 4, 2026	11-50	12 contacts →
	Exact match “Otodigital.ai stands out as a premier provider of recruitment and consultancy solutions, overseeing a recruitment budget exceeding £2 billion for numerous years on behalf of…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “IT staffing firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 21 of 260 IT staffing firms based in San Francisco, United States

See the full list, filter by size, metro and specialty, and access 574 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT staffing firms based in San Francisco, United States at a glance

As of Sep 4, 2026

18.0%Verified-email coverage

12.3Average contacts per company

1-10Median size (employees)

Sep 4, 2026Page data refreshed

Companies by employee count

1-10

151

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for San Francisco, so it is reported there. Company counts and contact totals on this page are exact for San Francisco, over 260 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with San Francisco, United States whose business descriptions match “IT staffing firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 574 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 4, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

IT staffing firms by metro in the United States

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “IT staffing firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT staffing firms are there based in San Francisco, United States?

RevenueBase identified 260 company matches for IT staffing firms associated with San Francisco, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

The JOB Shop tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most IT staffing firms?

New York leads the United States with 950 company records, followed by Houston (588) and Dallas (450). San Francisco has 260.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 574 professional contacts with verified work emails tracked across these 260 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 4, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.