Company lists · Data refreshed September 2026

Top 25 Legacy system modernization firms based in India

Name: Legacy system modernization firms based in India
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 6,318 companies tracked

RevenueBase identified 6,318 company matches for legacy system modernization firms associated with India as of September 2026 and tracks 1,338,041 professional contacts across them, including 312,313 with verified work emails. Bangalore is the largest hub.

This list covers company matches for legacy system modernization firms associated with India, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 20, 2026 How this list was built

6,318Companies

1,338,041Contacts tracked

312,313Verified emails

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The 25 largest legacy system modernization firms based in India

Ranked by team size

Top 25 of 6,318 company matches for legacy system modernization firms based in India, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Tata Consultancy Services	Exact match	Mumbai, IndiaHQ recorded Sep 20, 2026	10001+	634,047 contacts →
	Exact match “Tata Consultancy Services (TCS) is the technology partner of choice for industry leading organizations worldwide.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	Infosys	Exact match	Bangalore, IndiaHQ recorded Sep 20, 2026	10001+	323,099 contacts →
	Exact match “Infosys is a global leader in next-generation digital services and consulting.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	Accenture In India	Exact match	Bangalore, IndiaHQ recorded Sep 20, 2026	10001+	74,008 contacts →
	Exact match “Accenture is a global professional services company with leading capabilities in digital, cloud and security.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	Mphasis	Exact match	Bangalore, IndiaHQ recorded Sep 20, 2026	10001+	43,484 contacts →
	Exact match “A leading applied technology services company, we innovate to deliver service excellence and successful outcomes across sales, delivery and development.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5	Persistent Systems	Exact match	Pune, IndiaHQ recorded Sep 20, 2026	10001+	27,154 contacts →
	Exact match “We are an AI-led, platform-driven Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	LTI	Exact match	Mumbai, IndiaHQ recorded Sep 20, 2026	10001+	21,036 contacts →
	Exact match “LTI is now LTIMindtree, and we are getting businesses to the future, faster.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	Birlasoft	Exact match	Pune, IndiaHQ recorded Sep 20, 2026	10001+	13,983 contacts →
	Exact match “Navigating Change.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	Cybage Software	Exact match	Pune, IndiaHQ recorded Sep 20, 2026	5,001-10,000	8,806 contacts →
	Exact match “Cybage is an information technology company specializing in outsourced product engineering and IT consulting services.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	Conneqt Business Solutions	Exact match	Bangalore, IndiaHQ recorded Sep 20, 2026	10001+	7,980 contacts →
	Exact match “Conneqt Business Solutions, now Digitide Solutions Ltd, was established in 2004.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10	Sonata Software	Exact match	Bangalore, IndiaHQ recorded Sep 20, 2026	5,001-10,000	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
11	Clover Infotech	Exact match	Mumbai, IndiaHQ recorded Sep 20, 2026	5,001-10,000	4,858 contacts →
	Exact match “Clover Infotech is a leading global IT services and consulting company.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	Team Computers	Exact match	New Delhi, IndiaHQ recorded Sep 20, 2026	1,001-5,000	4,607 contacts →
	Exact match “Our story began in 1987, when our founder, Ranjan Chopra, an alumnus of IIT Kanpur, set out to bridge the gap between business needs and IT solutions in India.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13	Neosoft	Exact match	Mumbai, IndiaHQ recorded Sep 20, 2026	1,001-5,000	4,072 contacts →
	Exact match “NeoSOFT is a digital accelerator to Startups, SMEs, MSMEs, and large enterprises with a significant contribution across 22+ industries including BFSI, Healthcare, Ecommerce &…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	Novac Technology Solutions	Exact match	Chennai, IndiaHQ recorded Sep 20, 2026	1,001-5,000	2,550 contacts →
	Exact match “Novac Technology Solutions is a prominent player in the digital transformation and cloud solutions domain.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	Silver Touch Technologies LTD	Exact match	Ahmedabad, IndiaHQ recorded Sep 20, 2026	1,001-5,000	1,761 contacts →
	Exact match “Silver Touch specialize in implementation of Digital Transformation for Enterprise customers.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	SRM Technologies	Exact match	Chennai, IndiaHQ recorded Sep 20, 2026	1,001-5,000	1,589 contacts →
	Exact match “SRM Technologies is a global digital and engineering services company serving Mobility, Life Sciences, Healthcare, and other high-impact industries.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	Suma Soft PVT LTD	Exact match	Pune, IndiaHQ recorded Sep 20, 2026	1,001-5,000	1,545 contacts →
	Exact match “Suma Soft is a leading IT solution provider and consulting company delivering deep domain expertise, digital expertise, and innovation to help enterprises leverage digital…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	Appinventiv	Exact match	Noida, IndiaHQ recorded Sep 20, 2026	1,001-5,000	1,351 contacts →
	Exact match “Appinventiv builds AI-powered digital products and solutions that help businesses grow, scale, and deliver better user experiences.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	Rishabh Software	Exact match	Vadodara, IndiaHQ recorded Sep 20, 2026	501-1,000	1,270 contacts →
	Exact match “Rishabh Software is a global partner in Digital Engineering and Enterprise Transformation.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	Trigyn Technologies	Exact match	Mumbai, IndiaHQ recorded Sep 20, 2026	1,001-5,000	1,230 contacts →
	Exact match “We're re-engineering the way business is done.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21	Kumaran Systems	Exact match	Chennai, IndiaHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
22	Powerweave	Exact match	Mumbai, IndiaHQ recorded Sep 20, 2026	1,001-5,000	1,101 contacts →
	Exact match “At Powerweave, we help high-growth companies stay ahead of the curve in the rapidly changing digital landscape.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23	Indus NET Technologies INT	Exact match	Kolkata, IndiaHQ recorded Sep 20, 2026	501-1,000	1,066 contacts →
	Exact match “For nearly three decades, Indus Net Technologies (INT.) has empowered global enterprises to build intelligent, secure, and scalable digital ecosystems -> transforming complexity…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24	Uneecops	Exact match	Delhi, IndiaHQ recorded Sep 20, 2026	501-1,000	995 contacts →
	Exact match “Uneecops is a CMMI Level 5 company serving our customers for 30+ years as a trusted Enterprise IT partner.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25	Codeclause	Exact match	Pune, IndiaHQ recorded Sep 20, 2026	n/a	985 contacts →
	Exact match “CodeClause – Empowering Innovation, Transforming Businesses At CodeClause, we transform ideas into impactful solutions.” 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 system modernization firms”. 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 6,318 legacy system modernization firms based in India

See the full list, filter by size, metro and specialty, and access 312,313 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Legacy system modernization firms based in India at a glance

As of Sep 20, 2026

23.3%Verified-email coverage

211.8Average contacts per company

11-50Median size (employees)

9.8%Largest-city concentration · Bangalore

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

1,765

11-50

2,909

51-200

1,182

201-500

292

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for India, so it is reported there. Company counts and contact totals on this page are exact for India, over 6,318 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with India whose business descriptions match “legacy system modernization firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 312,313 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Legacy system modernization firms by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “legacy system modernization firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many legacy system modernization firms are there based in India?

RevenueBase identified 6,318 company matches for legacy system modernization firms associated with India 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?

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

Which city has the most legacy system modernization firms?

Bangalore leads with 622 company records, followed by Hyderabad (569) and Pune (511).

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 312,313 professional contacts with verified work emails tracked across these 6,318 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.