Company lists · Data refreshed September 2026

Top 25 IT professional services companies based in San Francisco, United States

Name: IT professional services companies 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 27, 2026 158 companies tracked

RevenueBase identified 158 company matches for IT professional services companies associated with San Francisco, United States as of September 2026 and tracks 2,322 professional contacts across them, including 529 with verified work emails. Across the United States, New York is the largest hub for this category (613 companies); San Francisco has 158.

This list covers company matches for IT professional services companies 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 27, 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 27, 2026 How this list was built

158Companies

2,322Contacts tracked

529Verified emails

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The 25 largest IT professional services companies based in San Francisco, United States

Ranked by team size

Top 25 of 158 company matches for IT professional services companies based in San Francisco, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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	M Squared Consulting	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	51-200	274 contacts →
	Exact match “M Squared Consulting has now fully integrated into our parent company, SolomonEdwards, uniting us as one national professional services firm and brand.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2	Cyclotron, INC	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	201-500	210 contacts →
	Exact match “We’re Cyclotron.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3	Kloudrac Group	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	201-500	199 contacts →
	Exact match “With globalization making rapid changes across industries and consumers becoming ever so demanding, organizations need to quickly take account of their limited resources and…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4	Prometteur Solutions Pvt. LTD	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	51-200	165 contacts →
	Exact match “Prometteur Solutions provides technology-empowered business solutions for world-class organizations in the enterprise, federal, state and local government, and education markets.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5	Lateral Group	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	201-500	164 contacts →
	Exact match “LATERAL (Technology with Passion) adds business value through full service technology solutions.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6	Blackstone Technology Group	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	201-500	116 contacts →
	Exact match “Blackstone Technology Group is a privately-held, global IT services and solutions firm founded in 1998.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7	ATOM	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	501-1,000	113 contacts →
	Exact match “Atom is a leading modern technology services company providing the most innovative cloud and digital transformation solutions, with carefully curated “living” services across…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8	Spiceorb	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	51-200	47 contacts →
	Exact match “Formed by stalwarts in business and technology services, SpiceOrb wants to be your first choice of partner to realize your organization' strategic and tactical goals.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9	Langtech	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	11-50	27 contacts →
	Exact match “Business survival today is dependent upon instant delivery of targeted information to all facets of the organization.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10	TMC Software	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	11-50	27 contacts →
	Exact match “TMC Software has been providing expert IT consulting services and staffing since 1995.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11	Micromenders	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	51-200	25 contacts →
	Exact match “AEC firms build great things, but too often, IT disruptions slow progress, cause missed deadlines, and drain team productivity.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12	The Dignify Solutions, LLC	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	51-200	19 contacts →
	Exact match “The Dignify Solutions with Global Capabilities and Local Excellence – has combined experience of 30 +years in Client Services/ Engagement/ Relationship/ Partnership, Sales/…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13	24hourtek, INC	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	11-50	19 contacts →
	Exact match “Our team of experts provides daily managed IT support solutions and IT Consulting that is personalized to our small to medium-sized business clients in the San Francisco Bay Area.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14	Hire'in Solutions	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	11-50	19 contacts →
	Exact match “HireIn Solutions is a growing staffing and recruiting company headquartered in California, USA.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15	Boxit, LLC	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	11-50	17 contacts →
	Exact match “boxIT has been providing reliable and cost-effective IT services to businesses through automation, 24/7 management, and a data-driven yet human approach since 2001.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16	Groupa	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	51-200	17 contacts →
	Exact match “GroupA is an Enterprise Cloud Services firm working with PE sponsors, portfolio companies, and complex enterprise environments across North America.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17	Ignition	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	11-50	16 contacts →
	Exact match “The Ignition team delivers the friendliest dang tech support your business has ever seen.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18	BAY Computing Group	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	11-50	16 contacts →
	Exact match “Bay Computing Group is the best choice for reliable technology solutions and first-class support.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19	Dhap Digital	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	11-50	13 contacts →
	Exact match “DHAP Digital, Inc.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20	Blackstone Studio	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	11-50	12 contacts →
	Exact match “Blackstone Studio works with companies where software underpins revenue, operations, and critical workflows.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21	Ventura Tech, INC	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	11-50	11 contacts →
	Exact match “Founded in San Francisco in 2001, Ventura Tech delivers managed IT services, cybersecurity, and hands-on IT support for Bay Area businesses of all sizes.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22	Bearcloud INC	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	51-200	10 contacts →
	Exact match “BEAR Cloud supports our customers in transforming their business operations into a secure, cost effective and supportable IT environment.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23	Transformitive	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	11-50	10 contacts →
	Exact match “TransformITive is an MXP – Managed Transformation Provider helping MSPs Press PLAY to accelerate their client’s AI journey and start jamming to what they love.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24	Techinsf Consulting	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	11-50	10 contacts →
	Exact match “TechInSF: The Bay Area's Award-Winning IT and Digital Solutions Provider.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25	Sfdata	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	11-50	10 contacts →
	Exact match “SFDATA is a systems, data management and software development consultancy grounded in long-term client-partnerships.” Recorded in the RevenueBase company graph · Sep 27, 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 professional services companies”. 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 25 of 158 IT professional services companies based in San Francisco, United States

See the full list, filter by size, metro and specialty, and access 529 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT professional services companies based in San Francisco, United States at a glance

As of Sep 27, 2026

22.8%Verified-email coverage

14.7Average contacts per company

11-50Median size (employees)

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 158 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 professional services companies” 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 529 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 27, 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 professional services companies 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 professional services companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT professional services companies are there based in San Francisco, United States?

RevenueBase identified 158 company matches for IT professional services companies 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?

M Squared Consulting 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 professional services companies?

New York leads the United States with 613 company records, followed by Houston (455) and Dallas (343). San Francisco has 158.

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 529 professional contacts with verified work emails tracked across these 158 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 27, 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.