Company lists · Data refreshed September 2026
Top 25 Legacy app modernization companies worldwide
RevenueBase identified 3,357 company matches for legacy app modernization companies worldwide as of September 2026 and tracks 89,038 professional contacts across them, including 21,642 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for legacy app 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 20, 2026. Country and city lists for legacy app 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.
The 25 largest legacy app modernization companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 7,508 contacts → | ||||
Exact match “Sonata Software Limited is a leading Modernization engineering company, headquartered in Bangalore.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 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 20, 2026 · View company records in RevenueBase | |||||
| 3 | 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 20, 2026 · View company records in RevenueBase | |||||
| 4 | 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 20, 2026 · View company records in RevenueBase | |||||
| 5 | 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 20, 2026 · View company records in RevenueBase | |||||
| 6 | 1,524 contacts → | ||||
Exact match “Hughes Systique Corporation (HSC) is a global digital engineering and transformation partner enabling enterprises to modernize, innovate, and grow through its AI-First approach.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 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 20, 2026 · View company records in RevenueBase | |||||
| 8 | 1,225 contacts → | ||||
Exact match “Welcome to BBD – where experience, innovation and software engineering excellence come together.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 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 20, 2026 · View company records in RevenueBase | |||||
| 10 | 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 20, 2026 · View company records in RevenueBase | |||||
| 11 | 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 20, 2026 · View company records in RevenueBase | |||||
| 12 | 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 20, 2026 · View company records in RevenueBase | |||||
| 13 | 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 20, 2026 · View company records in RevenueBase | |||||
| 14 | 841 contacts → | ||||
Exact match “Founded in 1998, XTGlobal, Inc.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 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 20, 2026 · View company records in RevenueBase | |||||
| 16 | 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 20, 2026 · View company records in RevenueBase | |||||
| 17 | 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 20, 2026 · View company records in RevenueBase | |||||
| 18 | 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 20, 2026 · View company records in RevenueBase | |||||
| 19 | 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 20, 2026 · View company records in RevenueBase | |||||
| 20 | 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 20, 2026 · View company records in RevenueBase | |||||
| 21 | 549 contacts → | ||||
Exact match “Gemini Consulting & Services (GCS) is a leading provider of technology solutions.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 508 contacts → | ||||
Exact match “Your Business Technology Partner.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 507 contacts → | ||||
Exact match “Growth Acceleration Partners is a consulting and technology services company.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 468 contacts → | ||||
Exact match “Zoolatech is a global software engineering partner helping enterprises modernize legacy systems, adopt AI, and build scalable digital platforms.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 461 contacts → | ||||
Exact match “We are a technology company engaged in Digital Transformation, Agile Development, and Application Modernization using Enterprise Low-Code Application Platforms (LCAP) such as…” 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 app 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 3,357 legacy app modernization companies worldwide
See the full list, filter by size, metro and specialty, and access 21,642 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Legacy app modernization companies worldwide at a glance
As of Sep 20, 2026Companies by employee count
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 app modernization companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “legacy app 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 21,642 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 app modernization companies by location
21 lists · largest firstEvery Legacy app modernization companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Legacy app modernization companies based in the United States661
- Legacy app modernization companies based in India611
- Legacy app modernization companies based in the United Kingdom174
- Legacy app modernization companies based in Germany112
- Legacy app modernization companies based in Brazil96
- Legacy app modernization companies based in Canada94
- Legacy app modernization companies based in Australia57
- Legacy app modernization companies based in France56
- Legacy app modernization companies based in Türkiye53
- Legacy app modernization companies based in Poland40
- Legacy app modernization companies based in the Netherlands39
- Legacy app modernization companies based in the United Arab Emirates32
- Legacy app modernization companies based in Romania31
- Legacy app modernization companies based in South Africa27
- Legacy app modernization companies based in Spain26
Cities
- Legacy app modernization companies based in Pune, India58
- Legacy app modernization companies based in Hyderabad, India39
- Legacy app modernization companies based in Ahmedabad, India37
- Legacy app modernization companies based in Noida, India37
- Legacy app modernization companies based in Bangalore, India34
- Legacy app modernization companies based in Chennai, India27
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 app modernization companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many legacy app modernization companies are there worldwide?
RevenueBase identified 3,357 company matches for legacy app 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?
Sonata Software tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most legacy app modernization companies?
The United States leads with 661 companies, followed by India (611) and the United Kingdom (174). Every legacy app modernization companies list by country and city is linked on this page.
Which city has the most legacy app modernization companies?
London leads with 61 company records, followed by Pune (58) and Lahore (42).
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 21,642 professional contacts with verified work emails tracked across these 3,357 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.
Ready to reach these companies? Verified emails and direct dials for all 3,357 legacy app modernization companies worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 legacy app modernization companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 3,357 matching company records for legacy app modernization companies worldwide, with 89,038 tracked contacts and 21,642 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 legacy app modernization companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Sonata Softwaresonata-software.comHQ: Bangalore, IndiaReported employees: 5,001-10,000 | Bangalore, India | 5,001-10,000 | Exact match | 7,508 contacts → |
“Sonata Software Limited is a leading Modernization engineering company, headquartered in Bangalore.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  R Systemsrsystems.comHQ: El Dorado Hills, CA, United StatesReported employees: 5,001-10,000 | El Dorado Hills, CA, United States | 5,001-10,000 | Exact match | 7,360 contacts → |
“RSI is a trusted software engineering and digital transformation services partner to global enterprises navigating technological change.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Software AGsoftwareag.comHQ: Darmstadt, GermanyReported employees: Not recorded | Darmstadt, Germany | Not recorded | Exact match | 4,127 contacts → |
“Software AG has been helping enterprises run and evolve their core business applications for over 50 years.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Andersen LABandersenlab.comHQ: Warsaw, PolandReported employees: 1,001-5,000 | Warsaw, Poland | 1,001-5,000 | Exact match | 3,628 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Improvingimproving.comHQ: Plano, TX, United StatesReported employees: 1,001-5,000 | Plano, TX, United States | 1,001-5,000 | Exact match | 1,578 contacts → |
“Improving is a leading IT professional services firm committed to helping companies achieve lasting success through modern technology.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Rockville, MD, United StatesReported employees: 1,001-5,000 | Rockville, MD, United States | 1,001-5,000 | Exact match | 1,524 contacts → |
“Hughes Systique Corporation (HSC) is a global digital engineering and transformation partner enabling enterprises to modernize, innovate, and grow through its AI-First approach.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Royal Cyber INCroyalcyber.comHQ: Naperville, IL, United StatesReported employees: 1,001-5,000 | Naperville, IL, United States | 1,001-5,000 | Exact match | 1,325 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  BBDbbdsoftware.comHQ: Rosebank, South AfricaReported employees: 1,001-5,000 | Rosebank, South Africa | 1,001-5,000 | Exact match | 1,225 contacts → |
“Welcome to BBD – where experience, innovation and software engineering excellence come together.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Kumaran Systemskumaran.comHQ: Chennai, IndiaReported employees: 1,001-5,000 | Chennai, India | 1,001-5,000 | Exact match | 1,219 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  SNP Groupsnpgroup.comHQ: Heidelberg, FranceReported employees: 1,001-5,000 | Heidelberg, France | 1,001-5,000 | Exact match | 1,172 contacts → |
“SNP is the global technology platform leader and trusted partner for companies seeking unparalleled data-enabled transformation capabilities and business agility.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  IBA Groupibagroupit.comHQ: Prague, Czech RepublicReported employees: 1,001-5,000 | Prague, Czech Republic | 1,001-5,000 | Exact match | 979 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  PIT Solutionspitsolutions.comHQ: Rapperswil, SwitzerlandReported employees: 501-1,000 | Rapperswil, Switzerland | 501-1,000 | Exact match | 858 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Tanisha Systems, INCtanishasystems.comHQ: Boston, MA, United StatesReported employees: 1,001-5,000 | Boston, MA, United States | 1,001-5,000 | Exact match | 844 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Xtglobal, INCxtglobal.comHQ: Plano, TX, United StatesReported employees: 501-1,000 | Plano, TX, United States | 501-1,000 | Exact match | 841 contacts → |
“Founded in 1998, XTGlobal, Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Radixwebradixweb.comHQ: Ahmedabad, IndiaReported employees: 501-1,000 | Ahmedabad, India | 501-1,000 | Exact match | 754 contacts → |
“A global software engineering company with 26+ years of experience helping enterprises build, modernize, and scale complex digital systems.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Hidden Brains Infotechhiddenbrains.comHQ: Ahmedabad, IndiaReported employees: 501-1,000 | Ahmedabad, India | 501-1,000 | Exact match | 731 contacts → |
“Hidden Brains InfoTech is CMMI Level 3 Enterprise Software Development & IT Consulting Company with a focus on digital transformation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Suneratechsuneratech.comHQ: Troy, MI, United StatesReported employees: 1,001-5,000 | Troy, MI, United States | 1,001-5,000 | Exact match | 692 contacts → |
“SuneraTech is now at the frontline of Digital Transformation and enables innovation to promote futuristic organizations.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Msys Technologiesmsystechnologies.comHQ: Atlanta, GA, United StatesReported employees: 201-500 | Atlanta, GA, United States | 201-500 | Exact match | 688 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Ahana Systems And Solutions Pvt. LTDahanait.comHQ: Bengaluru, IndiaReported employees: 501-1,000 | Bengaluru, India | 501-1,000 | Exact match | 655 contacts → |
“Fifteen years ago, Ahana began with a simple belief: technology should enable growth, not create complexity.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Britenetbritenet.euHQ: Warsaw, PolandReported employees: 1,001-5,000 | Warsaw, Poland | 1,001-5,000 | Exact match | 639 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Gemini Consulting & Servicesgemini-us.comHQ: Saint Louis, MO, United StatesReported employees: 501-1,000 | Saint Louis, MO, United States | 501-1,000 | Exact match | 549 contacts → |
“Gemini Consulting & Services (GCS) is a leading provider of technology solutions.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  STGstgconsulting.comHQ: Salt Lake City, UT, United StatesReported employees: 51-200 | Salt Lake City, UT, United States | 51-200 | Exact match | 508 contacts → |
“Your Business Technology Partner.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Growth Acceleration Partnersgrowthaccelerationpartners.comHQ: Austin, TX, United StatesReported employees: 501-1,000 | Austin, TX, United States | 501-1,000 | Exact match | 507 contacts → |
“Growth Acceleration Partners is a consulting and technology services company.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Zoolatechzoolatech.comHQ: Miami, FL, United StatesReported employees: 501-1,000 | Miami, FL, United States | 501-1,000 | Exact match | 468 contacts → |
“Zoolatech is a global software engineering partner helping enterprises modernize legacy systems, adopt AI, and build scalable digital platforms.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Sysmanagersysmanager.com.brHQ: Rio De Janeiro, BrazilReported employees: 501-1,000 | Rio De Janeiro, Brazil | 501-1,000 | Exact match | 461 contacts → |
“We are a technology company engaged in Digital Transformation, Agile Development, and Application Modernization using Enterprise Low-Code Application Platforms (LCAP) such as…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,357 company matches
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Legacy app modernization companies: dataset insights
September 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
3,347 records in the displayed employee bands.
10 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 3,357 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Legacy app modernization companies by location
21 lists · largest firstEvery Legacy app modernization companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Legacy app modernization companies based in the United States661
- Legacy app modernization companies based in India611
- Legacy app modernization companies based in the United Kingdom174
- Legacy app modernization companies based in Germany112
- Legacy app modernization companies based in Brazil96
- Legacy app modernization companies based in Canada94
- Legacy app modernization companies based in Australia57
- Legacy app modernization companies based in France56
- Legacy app modernization companies based in Türkiye53
- Legacy app modernization companies based in Poland40
- Legacy app modernization companies based in the Netherlands39
- Legacy app modernization companies based in the United Arab Emirates32
- Legacy app modernization companies based in Romania31
- Legacy app modernization companies based in South Africa27
- Legacy app modernization companies based in Spain26
Cities
- Legacy app modernization companies based in Pune, India58
- Legacy app modernization companies based in Hyderabad, India39
- Legacy app modernization companies based in Ahmedabad, India37
- Legacy app modernization companies based in Noida, India37
- Legacy app modernization companies based in Bangalore, India34
- Legacy app modernization companies based in Chennai, India27
Questions about this company list
What does Exact match mean for legacy app modernization companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many legacy app modernization companies did RevenueBase find worldwide?
The saved snapshot records 3,357 matching company records, 89,038 tracked contacts and 21,642 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 legacy app modernization companies worldwide. Snapshot: September 20, 2026. https://revenuebase.ai/companies/browse/legacy-app-modernization-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 legacy app modernization companies worldwide
RevenueBase records 3,357 matching company records for legacy app modernization companies worldwide, with 89,038 tracked contacts and 21,642 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 legacy app modernization companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Sonata Softwaresonata-software.com HQ: Bangalore, IndiaReported employees: 5,001-10,000 | Bangalore, India | 5,001-10,000 | Exact match | 7,508 contacts → |
“Sonata Software Limited is a leading Modernization engineering company, headquartered in Bangalore.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | R Systemsrsystems.com HQ: El Dorado Hills, CA, United StatesReported employees: 5,001-10,000 | El Dorado Hills, CA, United States | 5,001-10,000 | Exact match | 7,360 contacts → |
“RSI is a trusted software engineering and digital transformation services partner to global enterprises navigating technological change.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Software AGsoftwareag.com HQ: Darmstadt, GermanyReported employees: Not recorded | Darmstadt, Germany | Not recorded | Exact match | 4,127 contacts → |
“Software AG has been helping enterprises run and evolve their core business applications for over 50 years.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Andersen LABandersenlab.com HQ: Warsaw, PolandReported employees: 1,001-5,000 | Warsaw, Poland | 1,001-5,000 | Exact match | 3,628 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Improvingimproving.com HQ: Plano, TX, United StatesReported employees: 1,001-5,000 | Plano, TX, United States | 1,001-5,000 | Exact match | 1,578 contacts → |
“Improving is a leading IT professional services firm committed to helping companies achieve lasting success through modern technology.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Rockville, MD, United StatesReported employees: 1,001-5,000 | Rockville, MD, United States | 1,001-5,000 | Exact match | 1,524 contacts → |
“Hughes Systique Corporation (HSC) is a global digital engineering and transformation partner enabling enterprises to modernize, innovate, and grow through its AI-First approach.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Royal Cyber INCroyalcyber.com HQ: Naperville, IL, United StatesReported employees: 1,001-5,000 | Naperville, IL, United States | 1,001-5,000 | Exact match | 1,325 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | BBDbbdsoftware.com HQ: Rosebank, South AfricaReported employees: 1,001-5,000 | Rosebank, South Africa | 1,001-5,000 | Exact match | 1,225 contacts → |
“Welcome to BBD – where experience, innovation and software engineering excellence come together.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Kumaran Systemskumaran.com HQ: Chennai, IndiaReported employees: 1,001-5,000 | Chennai, India | 1,001-5,000 | Exact match | 1,219 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | SNP Groupsnpgroup.com HQ: Heidelberg, FranceReported employees: 1,001-5,000 | Heidelberg, France | 1,001-5,000 | Exact match | 1,172 contacts → |
“SNP is the global technology platform leader and trusted partner for companies seeking unparalleled data-enabled transformation capabilities and business agility.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | IBA Groupibagroupit.com HQ: Prague, Czech RepublicReported employees: 1,001-5,000 | Prague, Czech Republic | 1,001-5,000 | Exact match | 979 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | PIT Solutionspitsolutions.com HQ: Rapperswil, SwitzerlandReported employees: 501-1,000 | Rapperswil, Switzerland | 501-1,000 | Exact match | 858 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Tanisha Systems, INCtanishasystems.com HQ: Boston, MA, United StatesReported employees: 1,001-5,000 | Boston, MA, United States | 1,001-5,000 | Exact match | 844 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Xtglobal, INCxtglobal.com HQ: Plano, TX, United StatesReported employees: 501-1,000 | Plano, TX, United States | 501-1,000 | Exact match | 841 contacts → |
“Founded in 1998, XTGlobal, Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Radixwebradixweb.com HQ: Ahmedabad, IndiaReported employees: 501-1,000 | Ahmedabad, India | 501-1,000 | Exact match | 754 contacts → |
“A global software engineering company with 26+ years of experience helping enterprises build, modernize, and scale complex digital systems.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Hidden Brains Infotechhiddenbrains.com HQ: Ahmedabad, IndiaReported employees: 501-1,000 | Ahmedabad, India | 501-1,000 | Exact match | 731 contacts → |
“Hidden Brains InfoTech is CMMI Level 3 Enterprise Software Development & IT Consulting Company with a focus on digital transformation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Suneratechsuneratech.com HQ: Troy, MI, United StatesReported employees: 1,001-5,000 | Troy, MI, United States | 1,001-5,000 | Exact match | 692 contacts → |
“SuneraTech is now at the frontline of Digital Transformation and enables innovation to promote futuristic organizations.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Msys Technologiesmsystechnologies.com HQ: Atlanta, GA, United StatesReported employees: 201-500 | Atlanta, GA, United States | 201-500 | Exact match | 688 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Ahana Systems And Solutions Pvt. LTDahanait.com HQ: Bengaluru, IndiaReported employees: 501-1,000 | Bengaluru, India | 501-1,000 | Exact match | 655 contacts → |
“Fifteen years ago, Ahana began with a simple belief: technology should enable growth, not create complexity.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Britenetbritenet.eu HQ: Warsaw, PolandReported employees: 1,001-5,000 | Warsaw, Poland | 1,001-5,000 | Exact match | 639 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Gemini Consulting & Servicesgemini-us.com HQ: Saint Louis, MO, United StatesReported employees: 501-1,000 | Saint Louis, MO, United States | 501-1,000 | Exact match | 549 contacts → |
“Gemini Consulting & Services (GCS) is a leading provider of technology solutions.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | STGstgconsulting.com HQ: Salt Lake City, UT, United StatesReported employees: 51-200 | Salt Lake City, UT, United States | 51-200 | Exact match | 508 contacts → |
“Your Business Technology Partner.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Growth Acceleration Partnersgrowthaccelerationpartners.com HQ: Austin, TX, United StatesReported employees: 501-1,000 | Austin, TX, United States | 501-1,000 | Exact match | 507 contacts → |
“Growth Acceleration Partners is a consulting and technology services company.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Zoolatechzoolatech.com HQ: Miami, FL, United StatesReported employees: 501-1,000 | Miami, FL, United States | 501-1,000 | Exact match | 468 contacts → |
“Zoolatech is a global software engineering partner helping enterprises modernize legacy systems, adopt AI, and build scalable digital platforms.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Sysmanagersysmanager.com.br HQ: Rio De Janeiro, BrazilReported employees: 501-1,000 | Rio De Janeiro, Brazil | 501-1,000 | Exact match | 461 contacts → |
“We are a technology company engaged in Digital Transformation, Agile Development, and Application Modernization using Enterprise Low-Code Application Platforms (LCAP) such as…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,357 company matches
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Legacy app modernization companies: dataset insights
September 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
3,347 records in the displayed employee bands.
10 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 3,357 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Legacy app modernization companies by location
21 lists · largest firstEvery Legacy app modernization companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Legacy app modernization companies based in the United States661
- Legacy app modernization companies based in India611
- Legacy app modernization companies based in the United Kingdom174
- Legacy app modernization companies based in Germany112
- Legacy app modernization companies based in Brazil96
- Legacy app modernization companies based in Canada94
- Legacy app modernization companies based in Australia57
- Legacy app modernization companies based in France56
- Legacy app modernization companies based in Türkiye53
- Legacy app modernization companies based in Poland40
- Legacy app modernization companies based in the Netherlands39
- Legacy app modernization companies based in the United Arab Emirates32
- Legacy app modernization companies based in Romania31
- Legacy app modernization companies based in South Africa27
- Legacy app modernization companies based in Spain26
Cities
- Legacy app modernization companies based in Pune, India58
- Legacy app modernization companies based in Hyderabad, India39
- Legacy app modernization companies based in Ahmedabad, India37
- Legacy app modernization companies based in Noida, India37
- Legacy app modernization companies based in Bangalore, India34
- Legacy app modernization companies based in Chennai, India27
Questions about this company list
What does Exact match mean for legacy app modernization companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many legacy app modernization companies did RevenueBase find worldwide?
The saved snapshot records 3,357 matching company records, 89,038 tracked contacts and 21,642 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
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Cite this list
RevenueBase Data Team. Top 25 legacy app modernization companies worldwide. Snapshot: September 20, 2026. https://revenuebase.ai/companies/browse/legacy-app-modernization-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗