Company lists · Data refreshed November 2026

Top 25 Legacy code refactoring consultants worldwide

RevenueBase identified 268 company matches for legacy code refactoring consultants worldwide as of November 2026 and tracks 2,529 professional contacts across them, including 689 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for legacy code refactoring consultants worldwide, 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 November 6, 2026. Country and city lists for legacy code refactoring consultants follow the table.

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 Nov 6, 2026 How this list was built
268Companies
2,529Contacts tracked
689Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest legacy code refactoring consultants worldwide

Ranked by team size
Top 25 of 268 company matches for legacy code refactoring consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchSt. Louis, MO, United StatesHQ recorded Nov 6, 2026201-500208 contacts →

Exact match

“Astadia is the industry leader for mainframe migrations and modernizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchCincinnati, OH, United StatesHQ recorded Nov 6, 202651-200108 contacts →

Exact match

“Callibrity is the software consultancy helping clients do more with technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSanta Clara, CA, United StatesHQ recorded Nov 6, 202651-200108 contacts →

Exact match

“Founded in 2001, EvolveWare provides seamless application modernization journeys for enterprises, government organizations and global partners.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBellevue, WA, United StatesHQ recorded Nov 6, 202651-20082 contacts →

Exact match

“Softacom is a full-cycle business app migration and modernization provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchOberhaching, GermanyHQ recorded Nov 6, 202651-20080 contacts →

Exact match

“Avision ist spezialisiert auf Software Revival: Wir modernisieren geschäftskritische Software, die Unternehmen nicht einfach abschalten oder ersetzen können.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202611-5072 contacts →

Exact match

“Maintain, modernize, and understand your.NET, PHP, & C++ codebase.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchRavensburg, GermanyHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“Wir sind ein eingespieltes Team aus über 65 Transformationsexperten.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchDallas, TX, United StatesHQ recorded Nov 6, 202651-20056 contacts →

Exact match

“Modern Systems empowers efficiency, agility, and competitive advantage through core application modernization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchKirkland, WA, United StatesHQ recorded Nov 6, 202611-5055 contacts →

Exact match

“As a leading provider of software modernization services, TSRI enables technology readiness for the Cloud and other modern architecture environments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchPrinceton, NJ, United StatesHQ recorded Nov 6, 202651-20055 contacts →

Exact match

“The CloudFrame Modernization Suite is the most advanced legacy modernization software in the industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchKraków, PolandHQ recorded Nov 6, 202651-20049 contacts →

Exact match

“People More is a software development company focused on - Legacy Systems Modernization- Bespoke Software Development- Team Augmentation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchPalatine, IL, United StatesHQ recorded Nov 6, 202611-5043 contacts →

Exact match

“Updraft is a Chicago-based company providing automated software modernization tools to companies and systems integrators (SIs) needing exceptionally high quality code when…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchRödermark, GermanyHQ recorded Nov 6, 202651-20038 contacts →

Exact match

“For 30 years we have been helping our clients modernize their software, create new solutions, or master new technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchKolkata, IndiaHQ recorded Nov 6, 202611-5037 contacts →

Exact match

“Over the years ADA Software has developed its expertise in the re-engineering and modernization of legacy application software and has delivered projects involving large and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchDeventer, NetherlandsHQ recorded Nov 6, 202611-5028 contacts →

Exact match

“For more than 15 years we support companies with software development and testing of their software applications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMenlo Park, CA, United StatesHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“vFunction gives AI coding tools the context they need to modernize complex, real-world applications with speed and precision.* Equips code assistants with runtime architectural…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchUnited StatesHQ recorded Nov 6, 20261-1025 contacts →

Exact match

“Modelcode.ai, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLouvain, BelgiumHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“We step in when others step out.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“Thousands of organizations in the private and public sectors worldwide depend on applications written decades ago, but this legacy software hinders their ability to exploit new…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchWellington, New ZealandHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Fingo has been trusted to deliver IT professional services to enterprise clients for over 18 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLisbon, PortugalHQ recorded Nov 6, 202651-20022 contacts →

Exact match

“With more than 20 years’ real-world legacy modernization experience, Morphis works with leading global enterprises, software vendors and system integrators to cloud-enable legacy…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchDublin, CA, United StatesHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“At Eradani, we understand the wisdom of the ancient saying that you cannot know where you are going if you do not understand where you have been.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchKitchener, ON, CanadaHQ recorded Nov 6, 202651-20018 contacts →

Exact match

“Check it out; Focus21 has seen it all.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchAtlanta, TX, United StatesHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“We’re reengineering how enterprises modernize, faster, smarter, and with advanced AI built for real-world complexity.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchPembroke Pines, FL, United StatesHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Mertech is a leading provider of application development solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 268 legacy code refactoring consultants worldwide

See the full list, filter by size, metro and specialty, and access 689 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Legacy code refactoring consultants worldwide at a glance

As of Nov 6, 2026
27.2%Verified-email coverage
9.4Average contacts per company
1-10Median size (employees)
1.5%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
159
11-50
77
51-200
26
201-500
2
1,001-5,000
1
10001+
1

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for legacy code refactoring consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “legacy code refactoring 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. 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 689 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 November 6, 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 code refactoring consultants by location

1 lists · largest first

Every Legacy code refactoring consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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

How many legacy code refactoring consultants are there worldwide?

RevenueBase identified 268 company matches for legacy code refactoring consultants worldwide as of November 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?

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

Which country has the most legacy code refactoring consultants?

The United States leads with 70 companies. Every legacy code refactoring consultants list by country and city is linked on this page.

Which city has the most legacy code refactoring consultants?

London leads with 4 company records, followed by Sao Paulo (4) and Toronto (4).

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 689 professional contacts with verified work emails tracked across these 268 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 November 6, 2026.

Ready to reach these companies? Verified emails and direct dials for all 268 legacy code refactoring consultants worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.