Company lists · Data refreshed September 2026

Top 15 Legacy system modernization consultants based in San Francisco, United States

RevenueBase identified 44 company matches for legacy system modernization consultants associated with San Francisco, United States as of September 2026 and tracks 536 professional contacts across them, including 147 with verified work emails. Across the United States, New York is the largest hub for this category (176 companies); San Francisco has 44.

This list covers company matches for legacy system modernization consultants 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
44Companies
536Contacts tracked
147Verified emails
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The 15 largest legacy system modernization consultants based in San Francisco, United States

Ranked by team size
Top 15 of 44 company matches for legacy system modernization consultants 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSan Francisco, CA, United StatesHQ recorded Sep 20, 2026201-500199 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 20, 2026 · View company records in RevenueBase
2Exact matchSan Francisco, CA, United StatesHQ recorded Sep 20, 202651-200124 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
3Exact matchSan Francisco, CA, United StatesHQ recorded Sep 20, 202651-20047 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
4Exact matchSan Francisco, CA, United StatesHQ recorded Sep 20, 202651-20012 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
5Exact matchSan Francisco, CA, United StatesHQ recorded Sep 20, 202651-20010 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
6Exact matchSan Francisco, CA, United StatesHQ recorded Sep 20, 202611-5010 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 20, 2026 · View company records in RevenueBase
7Exact matchSan Francisco, CA, United StatesHQ recorded Sep 20, 20261-106 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
8Exact matchSan Francisco, CA, United StatesHQ recorded Sep 20, 202611-506 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
9Exact matchSan Francisco, CA, United StatesHQ recorded Sep 20, 202611-505 contacts →

Exact match

“Remember when you had your first flip phone or Blackberry?”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchSan Francisco, CA, United StatesHQ recorded Sep 20, 20261-104 contacts →

Exact match

“Dogpatch Solutions is a leading IT consulting firm that specializes in cybersecurity assessments, migrations, networking and cloud computing solutions.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchSan Francisco, CA, United StatesHQ recorded Sep 20, 202611-503 contacts →

Exact match

“Protonomics has a worldwide network of software architects, developers and analysts offering on demand services for IT and Business Strategy.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchSan Francisco, CA, United StatesHQ recorded Sep 20, 202651-2002 contacts →

Exact match

“Chipsy.io specializes in modernizing legacy systems through systems integration, data engineering, and software development.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchSan Francisco, United StatesHQ recorded Sep 20, 202651-2001 contacts →

Exact match

“A consulting company focused on business outcomes; helping you achieve what you want in business with technology solutions.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchSan Francisco, United StatesHQ recorded Sep 20, 20261-101 contacts →

Exact match

“Kap Co, LLC is a technology consulting company located in Silicone Valley.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchSan Francisco, CA, United StatesHQ recorded Sep 20, 20261-101 contacts →

Exact match

“IT support & services for the Bay area”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 15 of 44 legacy system modernization consultants based in San Francisco, United States

See the full list, filter by size, metro and specialty, and access 147 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Sep 20, 2026
27.4%Verified-email coverage
12.2Average contacts per company
11-50Median size (employees)
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
20
11-50
13
51-200
8
201-500
3

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 44 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 consultants” 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 147 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 consultants 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 consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 44 company matches for legacy system modernization consultants 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?

Kloudrac Group 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 consultants?

New York leads the United States with 176 company records, followed by Houston (146) and Atlanta (122). San Francisco has 44.

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 147 professional contacts with verified work emails tracked across these 44 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.