Company lists · Data refreshed September 2026

Top 25 Legacy software modernization companies worldwide

Name: Legacy software modernization companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 5,055 companies tracked

RevenueBase identified 5,055 company matches for legacy software modernization companies worldwide as of September 2026 and tracks 109,563 professional contacts across them, including 27,682 with verified work emails. India is the largest market and London the largest hub.

This list covers company matches for legacy software modernization companies 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 September 28, 2026. Country and city lists for legacy software modernization companies 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 Sep 28, 2026 How this list was built

5,055Companies

109,563Contacts tracked

27,682Verified emails

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The 25 largest legacy software modernization companies worldwide

Ranked by team size

Top 25 of 5,055 company matches for legacy software modernization companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	R Systems	Exact match	El Dorado Hills, CA, United StatesHQ recorded Sep 28, 2026	5,001-10,000	7,360 contacts →
	Exact match “RSI is a trusted software engineering and digital transformation services partner to global enterprises navigating technological change.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Software AG	Exact match	Darmstadt, GermanyHQ recorded Sep 28, 2026	n/a	4,127 contacts →
	Exact match “Software AG has been helping enterprises run and evolve their core business applications for over 50 years.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Andersen LAB	Exact match	Warsaw, PolandHQ recorded Sep 28, 2026	1,001-5,000	3,628 contacts →
	Exact match “Andersen – your global software development partner Andersen is a global software development company with over 18 years of experience supporting businesses worldwide in their…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Exadel	Exact match	Walnut Creek, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,874 contacts →
	Exact match “Exadel is a leading global software consulting and development company that looks beyond the code to maximize the technology-driven business impact our partners want to make.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Itransition Group	Exact match	Decatur, GA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,664 contacts →
	Exact match “Founded in 1998, Itransition is a global software engineering and IT consulting company with engineers supporting clients across 40 countries.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Improving	Exact match	Plano, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,578 contacts →
	Exact match “Improving is a leading IT professional services firm committed to helping companies achieve lasting success through modern technology.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Royal Cyber INC	Exact match	Naperville, IL, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,325 contacts →
	Exact match “Royal Cyber is a trusted global IT consulting & digital transformation partner, empowering enterprises for over two decades to evolve with agility, security, and innovation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	HIQ	Exact match	Stockholm, SwedenHQ recorded Sep 28, 2026	1,001-5,000	1,228 contacts →
	Exact match “HiQ is a tech consulting company focused on custom software development, positioned at the intersection of digital transformation and specialized engineering.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	BBD	Exact match	Rosebank, South AfricaHQ recorded Sep 28, 2026	1,001-5,000	1,225 contacts →
	Exact match “Welcome to BBD – where experience, innovation and software engineering excellence come together.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Kumaran Systems	Exact match	Chennai, IndiaHQ recorded Sep 28, 2026	1,001-5,000	1,219 contacts →
	Exact match “Kumaran Systems: Engineering Future-Ready Transformations Since 1992, Kumaran Systems has been helping enterprises bridge the past and the future, reimagining legacy systems and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	SNP Group	Exact match	Heidelberg, FranceHQ recorded Sep 28, 2026	1,001-5,000	1,172 contacts →
	Exact match “SNP is the global technology platform leader and trusted partner for companies seeking unparalleled data-enabled transformation capabilities and business agility.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	IBA Group	Exact match	Prague, Czech RepublicHQ recorded Sep 28, 2026	1,001-5,000	979 contacts →
	Exact match “IBA Group is one of the largest IT service providers in Eastern Europe, performing software development, migration, maintenance, support, and IT consulting services with IT and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	PIT Solutions	Exact match	Rapperswil, SwitzerlandHQ recorded Sep 28, 2026	501-1,000	858 contacts →
	Exact match “PIT Solutions is a technology-driven digital services provider with a strong people-first culture and a proven track record of delivering meaningful, high-impact solutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Tanisha Systems, INC	Exact match	Boston, MA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	844 contacts →
	Exact match “Tanisha Systems, founded in 2002 in Massachusetts-USA, is a leading provider of Custom Application Development and end-to-end IT Services to clients globally.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Radixweb	Exact match	Ahmedabad, IndiaHQ recorded Sep 28, 2026	501-1,000	754 contacts →
	Exact match “A global software engineering company with 26+ years of experience helping enterprises build, modernize, and scale complex digital systems.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Hidden Brains Infotech	Exact match	Ahmedabad, IndiaHQ recorded Sep 28, 2026	501-1,000	731 contacts →
	Exact match “Hidden Brains InfoTech is CMMI Level 3 Enterprise Software Development & IT Consulting Company with a focus on digital transformation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Mirante Tecnologia	Exact match	Brasilia, BrazilHQ recorded Sep 28, 2026	1,001-5,000	724 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Suneratech	Exact match	Troy, MI, United StatesHQ recorded Sep 28, 2026	1,001-5,000	692 contacts →
	Exact match “SuneraTech is now at the frontline of Digital Transformation and enables innovation to promote futuristic organizations.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Paradigma Digital	Exact match	Pozuelo De Alarcón, SpainHQ recorded Sep 28, 2026	501-1,000	692 contacts →
	Exact match “At Paradigma, we have a habit: we commit.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Msys Technologies	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	201-500	688 contacts →
	Exact match “MSys Technologies (SDC Awards Winner) is a reliable partner for product engineering services and digital transformation projects for its Enterprise and Silicon Valley clientele.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Programmers Force	Exact match	Lahore, PakistanHQ recorded Sep 28, 2026	1,001-5,000	671 contacts →
	Exact match “Programmers Force has been established with an aim to facilitate your business needs with innovative and intelligent solutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Ahana Systems And Solutions Pvt. LTD	Exact match	Bengaluru, IndiaHQ recorded Sep 28, 2026	501-1,000	655 contacts →
	Exact match “Fifteen years ago, Ahana began with a simple belief: technology should enable growth, not create complexity.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Britenet	Exact match	Warsaw, PolandHQ recorded Sep 28, 2026	1,001-5,000	639 contacts →
	Exact match “With 18+ years of elite software development expertise, we've established ourselves as a leading European IT consultancy specializing in analytics-powered digital transformation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	SAM Solutions	Exact match	Gilching, GermanyHQ recorded Sep 28, 2026	501-1,000	563 contacts →
	Exact match “Welcome to SaM Solutions – a software development company that drives digital transformation with the help of its international team of seasoned engineers and best-in-class…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Gemini Consulting & Services	Exact match	Saint Louis, MO, United StatesHQ recorded Sep 28, 2026	501-1,000	549 contacts →
	Exact match “Gemini Consulting & Services (GCS) is a leading provider of technology solutions.” Recorded in the RevenueBase company graph · Sep 28, 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 software 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 5,055 legacy software modernization companies worldwide

See the full list, filter by size, metro and specialty, and access 27,682 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Legacy software modernization companies worldwide at a glance

As of Sep 28, 2026

25.3%Verified-email coverage

21.7Average contacts per company

11-50Median size (employees)

1.7%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

2,320

11-50

1,854

51-200

643

201-500

131

501-1,000

1,001-5,000

5,001-10,000

10001+

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 software modernization companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “legacy software 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. 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 27,682 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 28, 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 software modernization companies by location

36 lists · largest first

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

Countries

Cities

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

How many legacy software modernization companies are there worldwide?

RevenueBase identified 5,055 company matches for legacy software modernization companies worldwide 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?

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

Which country has the most legacy software modernization companies?

India leads with 935 companies, followed by the United States (922) and the United Kingdom (239). Every legacy software modernization companies list by country and city is linked on this page.

Which city has the most legacy software modernization companies?

London leads with 88 company records, followed by Pune (86) and Lahore (76).

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 27,682 professional contacts with verified work emails tracked across these 5,055 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 28, 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.