Company lists · Data refreshed September 2026

Top 25 Legacy system modernization companies based in San Francisco, United States

Name: Legacy system modernization 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 20, 2026 68 companies tracked

RevenueBase identified 68 company matches for legacy system modernization companies associated with San Francisco, United States as of September 2026 and tracks 1,515 professional contacts across them, including 451 with verified work emails. Across the United States, New York is the largest hub for this category (203 companies); San Francisco has 68.

This list covers company matches for legacy system modernization 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 20, 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 20, 2026 How this list was built

68Companies

1,515Contacts tracked

451Verified emails

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The 25 largest legacy system modernization companies based in San Francisco, United States

Ranked by team size

Top 25 of 68 company matches for legacy system modernization companies based in San Francisco, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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	Akraya, INC	Exact match	San Francisco, CA, United StatesHQ recorded Sep 20, 2026	201-500	336 contacts →
	Exact match “Akraya is your trusted partner for Digital Transformation.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	MINDK	Exact match	San Francisco, CA, United StatesHQ recorded Sep 20, 2026	51-200	124 contacts →
	Exact match “MindK is a software development and IT consulting company that helps businesses build software products, automate business processes, modernize technology and infrastructure.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	Ensolvers	Exact match	San Francisco, United StatesHQ recorded Sep 20, 2026	51-200	121 contacts →
	Exact match “Ensolvers specializes in software development, architecture, product development, outsourcing, testing, and building dedicated teams for end-to-end software solutions.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	ATOM	Exact match	San Francisco, CA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
5	Fusionstorm	Exact match	San Francisco, CA, United StatesHQ recorded Sep 20, 2026	201-500	108 contacts →
	Exact match “Computacenter has acquired FusionStorm!” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	Sourcebits Digital	Exact match	San Francisco, CA, United StatesHQ recorded Sep 20, 2026	51-200	101 contacts →
	Exact match “Sourcebits-Ascendum Digital is a trusted digital transformation accelerator providing early access to next-generation technologies, disruptive innovation, and unique customer…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	RAW Engineering	Exact match	San Francisco, CA, United StatesHQ recorded Sep 20, 2026	51-200	97 contacts →
	Exact match “Raw Engineering’s Innovative digital solutions and services are trusted by the world’s best Fortune 500 Enterprises, Sports & Entertainment companies and Startups to provide…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	WTA	Exact match	San Francisco, CA, United StatesHQ recorded Sep 20, 2026	201-500	73 contacts →
	Exact match “We enhance customer experiences, build solutions, modernize applications and leverage technology with data Analytics to create real value.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	Spiceorb	Exact match	San Francisco, CA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
10	DPP Tech	Exact match	San Francisco, CA, United StatesHQ recorded Sep 20, 2026	51-200	45 contacts →
	Exact match “DPP Tech is a trusted technology solutions partner driving digital transformation for commercial and government enterprises.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	Quantazone	Exact match	San Francisco, CA, United StatesHQ recorded Sep 20, 2026	11-50	45 contacts →
	Exact match “Business consulting company serves at the intersection of business and technology.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	AKAVA	Exact match	San Francisco, CA, United StatesHQ recorded Sep 20, 2026	11-50	20 contacts →
	Exact match “Akava is a premier technology consultancy specializing in digital transformation, technology due diligence, and value creation services.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13	Turgon AI	Exact match	San Francisco, CA, United StatesHQ recorded Sep 20, 2026	11-50	16 contacts →
	Exact match “At Turgon, we're rewriting the data modernization playbook with AI agents and human experts working together.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	Help4access	Exact match	San Francisco, CA, United StatesHQ recorded Sep 20, 2026	51-200	12 contacts →
	Exact match “Help4Access is a boutique consulting firm specializing in enterprise architecture, AI-augmented legacy modernization, and digital strategy.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	Bearcloud INC	Exact match	San Francisco, CA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
16	BKJ Digital	Exact match	San Francisco, CA, United StatesHQ recorded Sep 20, 2026	1-10	10 contacts →
	Exact match “We specialize in digital transformation that delivers smarter internal systems, and stronger customer experiences across your organization.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	C Infinity Solutions	Exact match	San Francisco, CA, United StatesHQ recorded Sep 20, 2026	11-50	7 contacts →
	Exact match “C Infinity Solutions is a technology consulting and digital engineering services firm that transforms the way our clients do business - and we make the consulting experience…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	Debreeze Interactive	Exact match	San Francisco, CA, United StatesHQ recorded Sep 20, 2026	1-10	7 contacts →
	Exact match “deBreeze is a digital transformation agency specializing in HealthTech, FinTech, and Hospitality.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	Kissinger Group	Exact match	San Francisco, United StatesHQ recorded Sep 20, 2026	11-50	6 contacts →
	Exact match “Kissinger Group is a boutique consulting firm specializing in enterprise-level transformations.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	Cloud9 Technology Consulting	Exact match	San Francisco, CA, United StatesHQ recorded Sep 20, 2026	1-10	6 contacts →
	Exact match “Technology is complex and you need a partner to help source the right solutions to meet your changing needs.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21	Strategic Enterprise Solutions, INC	Exact match	San Francisco, CA, United StatesHQ recorded Sep 20, 2026	11-50	6 contacts →
	Exact match “Strategic Enterprise Solutions, Inc.(SESI) is an enterprise architecture and technology holding company founded in 1989.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22	Silicon Valley Consulting Group	Exact match	San Francisco, CA, United StatesHQ recorded Sep 20, 2026	11-50	3 contacts →
	Exact match “Our Mission:'Business Process Optimization' Before Technology Considerations!” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23	AHM Technology	Exact match	San Francisco, CA, United StatesHQ recorded Sep 20, 2026	11-50	3 contacts →
	Exact match “Reimagine.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24	Simplicit	Exact match	San Francisco, United StatesHQ recorded Sep 20, 2026	11-50	3 contacts →
	Exact match “A boutique consulting / staff augmentation firm focusing on digital transformation and integrated product strategy, management and design.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25	Hyperfine	Exact match	San Francisco, CA, United StatesHQ recorded Sep 20, 2026	1-10	3 contacts →
	Exact match “Hyperfine is a technical strategy company giving businesses the confidence to lead their digital transformation journeys.” Recorded in the RevenueBase company graph · Sep 20, 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 “legacy system modernization 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 68 legacy system modernization companies based in San Francisco, United States

See the full list, filter by size, metro and specialty, and access 451 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Legacy system modernization companies based in San Francisco, United States at a glance

As of Sep 20, 2026

29.8%Verified-email coverage

22.3Average contacts per company

11-50Median size (employees)

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

5,001-10,000

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 68 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 “legacy system modernization 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 451 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 20, 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.

Legacy system modernization 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 “legacy system modernization companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many legacy system modernization companies are there based in San Francisco, United States?

RevenueBase identified 68 company matches for legacy system modernization 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?

Akraya, INC 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 legacy system modernization companies?

New York leads the United States with 203 company records, followed by Austin (148) and Houston (131). San Francisco has 68.

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 451 professional contacts with verified work emails tracked across these 68 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 20, 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.