Company lists · Data refreshed November 2026

Top 25 Api modernization companies worldwide

RevenueBase identified 549 company matches for api modernization companies worldwide as of November 2026 and tracks 21,003 professional contacts across them, including 5,118 with verified work emails. The United States is the largest market and Paris the largest hub.

This list covers company matches for api 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 November 6, 2026. Country and city lists for api 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 Nov 6, 2026 How this list was built
549Companies
21,003Contacts tracked
5,118Verified emails
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The 25 largest api modernization companies worldwide

Ranked by team size
Top 25 of 549 company matches for api modernization companies 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 matchBangalore, IndiaHQ recorded Nov 6, 20265,001-10,0007,815 contacts →

Exact match

“Sonata Software Limited is a leading Modernization engineering company, headquartered in Bangalore.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchPlano, United StatesHQ recorded Nov 6, 20261,001-5,0001,673 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchChennai, CA, IndiaHQ recorded Nov 6, 20261,001-5,0001,388 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 · Nov 6, 2026 · View company records in RevenueBase
4Exact matchCampinas, BrazilHQ recorded Nov 6, 2026501-1,000638 contacts →

Exact match

“Sensedia supports companies to become more digital, connected and open through a technology platform and expertise in APIs and Microservices.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchNoida, IndiaHQ recorded Nov 6, 2026201-500387 contacts →

Exact match

“The world's most complex enterprises don't need another vendor.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMontréal, QC, CanadaHQ recorded Nov 6, 2026201-500365 contacts →

Exact match

“Fresche Solutions is an AI-powered IT modernization company that manages and maximizes the value of your IBM i and Microsoft systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchNavi Mumbai, IndiaHQ recorded Nov 6, 2026201-500285 contacts →

Exact match

“Remiges is a software projects company focusing on app modernisation encompassing DB migration, devops, automation and UI/UX Our strength lies in providing robust, scalable…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact 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
9Exact matchBertrange, LuxembourgHQ recorded Nov 6, 2026201-500187 contacts →

Exact match

“Located in Luxembourg, France, Germany, Italy, Switzerland, Portugal, Costa Rica, Shanghaï and Hong Kong, Cap4 Lab helps customers unlock their potential in the development of new…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchChennai, IndiaHQ recorded Nov 6, 202651-200174 contacts →

Exact match

“Photon Infotech Private Limited is an information technology and services company based out of Omr, Chennai, Tamil Nadu, India.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchAlicante, SpainHQ recorded Nov 6, 202651-200160 contacts →

Exact match

“Digital agility is the difference between businesses that thrive and those trying to survive.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBangalore, IndiaHQ recorded Nov 6, 202651-200144 contacts →

Exact match

“Codincity is a fast-scaling digital transformation company helping enterprises embrace the future with AI, Data, and Cloud at the core.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSan Francisco, United StatesHQ recorded Nov 6, 202651-200128 contacts →

Exact match

“Mechanical Orchard is an AI-native technology company that de-risks the process of bringing old but critical computer systems up to date.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchHouston, United StatesHQ recorded Nov 6, 202651-200110 contacts →

Exact match

“Codup is a growing software company with clients across 23 countries and has been in business for 10+ focuses on 3 key areas of Solutions: Our deep industry knowledge positions us…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact 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
16Exact matchMiami, United StatesHQ recorded Nov 6, 202651-20096 contacts →

Exact match

“AI-accelerated.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchEdison, FL, United StatesHQ recorded Nov 6, 202651-20089 contacts →

Exact match

“i-verve modernizes the legacy platforms regulated businesses already run -.NET Framework, Java EE, AngularJS, HL7 v2 and SSIS-era systems, and builds AI into them: one team, one…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchKorba, IndiaHQ recorded Nov 6, 202651-20086 contacts →

Exact match

“Company Profile- General Introduction Of Company ConstaCloud Pvt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchRedmond, WA, United StatesHQ recorded Nov 6, 2026201-50085 contacts →

Exact match

“DB Best is internationally known for comprehensive data-management services, database development and migration, as well as creation of highly successful web and mobile systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchCarmel, United StatesHQ recorded Nov 6, 202651-20083 contacts →

Exact match

“At CleanSlate Technology Group, we help businesses modernize, migrate, and move forward with confidence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSunnyvale, CA, United StatesHQ recorded Nov 6, 202651-20083 contacts →

Exact match

“CloudGeometry helps organizations build and modernize existing systems for the AI era, transforming legacy software into cloud-native, data-driven, and AI-ready platforms.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact 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
23Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20076 contacts →

Exact match

“Integrella is a specialist IT services company with extensive experience across UK sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchNew York, United StatesHQ recorded Nov 6, 202651-20075 contacts →

Exact match

“Linksoft builds AI-driven systems and helps companies adapt their technology infrastructure for the way modern businesses now operate.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchWinter Park, FL, United StatesHQ recorded Nov 6, 202651-20074 contacts →

Exact match

“Adaptigent™ empowers the adaptive, intelligent enterprise, unlocking the potential of legacy mission-critical systems to enable digital transformation.”

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

Showing 25 of 549 api modernization companies worldwide

See the full list, filter by size, metro and specialty, and access 5,118 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Api modernization companies worldwide at a glance

As of Nov 6, 2026
24.4%Verified-email coverage
38.3Average contacts per company
1-10Median size (employees)
1.6%Largest-city concentration · Paris
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
291
11-50
163
51-200
67
201-500
15
501-1,000
3
1,001-5,000
4
5,001-10,000
1
10001+
2

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 api modernization companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “api 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 5,118 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.

Api modernization companies by location

2 lists · largest first

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

How many api modernization companies are there worldwide?

RevenueBase identified 549 company matches for api modernization companies 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?

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

Which country has the most api modernization companies?

The United States leads with 147 companies, followed by India (58). Every api modernization companies list by country and city is linked on this page.

Which city has the most api modernization companies?

Paris leads with 9 company records, followed by Sao Paulo (9) and Sydney (9).

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 5,118 professional contacts with verified work emails tracked across these 549 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.

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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.