Company lists · Data refreshed November 2026

Top 25 Legacy system replacement consultants worldwide

Name: Legacy system replacement consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 8,782 companies tracked

RevenueBase identified 8,782 company matches for legacy system replacement consultants worldwide as of November 2026 and tracks 105,206 professional contacts across them, including 29,541 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for legacy system replacement consultants worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for legacy system replacement consultants follow the table.

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

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built

8,782Companies

105,206Contacts tracked

29,541Verified emails

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The 25 largest legacy system replacement consultants worldwide

Ranked by team size

Top 25 of 8,782 company matches for legacy system replacement consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	SHI International Corp	Exact match	Somerset, United StatesHQ recorded Nov 6, 2026	5,001-10,000	7,151 contacts →
	Exact match “Think of SHI as your personal technology concierge.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Software AG	Exact match	Darmstadt, GermanyHQ recorded Nov 6, 2026	n/a	4,213 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 · Nov 6, 2026 · View company records in RevenueBase
3	NUMEN	Exact match	Sao Paulo, BrazilHQ recorded Nov 6, 2026	501-1,000	951 contacts →
	Exact match “Numen is an international consultancy specialized in enterprise technologies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Xtglobal, INC	Exact match	Plano, United StatesHQ recorded Nov 6, 2026	501-1,000	886 contacts →
	Exact match “Founded in 1998, XTGlobal, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	People Prime Worldwide	Exact match	Hyderabad, IndiaHQ recorded Nov 6, 2026	501-1,000	837 contacts →
	Exact match “At People Prime Worldwide, we help organizations transform and scale through AIML Technology Services, AIML Solutions, IT Consulting, Staff Augmentation, and Managed Services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	NET At Work	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	201-500	763 contacts →
	Exact match “At Net at Work, we help organizations unleash the power of their business performance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	System Soft Technologies	Exact match	Tampa, VA, United StatesHQ recorded Nov 6, 2026	501-1,000	755 contacts →
	Exact match “System Soft Group is an IT services and solutions company that helps organizations overcome limited managed IT capabilities and achieve key technology goals.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	The Select Group	Exact match	Raleigh, NC, United StatesHQ recorded Nov 6, 2026	1,001-5,000	706 contacts →
	Exact match “TSG is a technology consulting and services partner that helps organizations move faster, operate smarter, and extract greater value from technology investments in rapidly…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	CAT Technologies LTD	Exact match	Hyd, IndiaHQ recorded Nov 6, 2026	201-500	691 contacts →
	Exact match “CAT Technology Inc, established in October is engaged in providing quality consulting services in Systems Analysis, System Design, Database Administration, Systems Engineering…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Respec	Exact match	Rapid City, KY, United StatesHQ recorded Nov 6, 2026	501-1,000	626 contacts →
	Exact match “In a world where one superhero can handle almost any problem, our entire team of award-winning technology experts is on a mission to make your business better.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Srinsoft INC	Exact match	Boca Raton, FL, United StatesHQ recorded Nov 6, 2026	501-1,000	603 contacts →
	Exact match “SrinSoft is a leading IT consulting & engineering firm specializing in digital transformation, software development, and engineering solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Links Management And Technology	Exact match	Lecce, ItalyHQ recorded Nov 6, 2026	501-1,000	578 contacts →
	Exact match “Links is a Technology Consulting Company that guides clients on their journey of innovation and digital transformation, offering complete and multidisciplinary support.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	BHS	Exact match	Belo Horizonte, BrazilHQ recorded Nov 6, 2026	201-500	553 contacts →
	Exact match “BHS has a comprehensive portfolio to deliver customized IT solutions, consistent and integrated with each customer's business needs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Enterprise Solutions INC	Exact match	Warrenville, ON, United StatesHQ recorded Nov 6, 2026	501-1,000	551 contacts →
	Exact match “Enterprise Solutions, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Cadmus Soluções EM TI	Exact match	Sao Paulo, BrazilHQ recorded Nov 6, 2026	1,001-5,000	481 contacts →
	Exact match “A Cadmus é referência em inovação tecnológica há mais de 30 anos, apoiando organizações na transformação de suas estratégias digitais em execução consistente e resultados reais de…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Adesso Schweiz AG	Exact match	Zurich, SwitzerlandHQ recorded Nov 6, 2026	501-1,000	460 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	DCG Data-Core Systems India PVT LTD	Exact match	Salt Lake City, United StatesHQ recorded Nov 6, 2026	501-1,000	430 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	KEY Performance Consulting KPC	Exact match	Aix-en-provence, FranceHQ recorded Nov 6, 2026	201-500	420 contacts →
	Exact match “KPC se positionne comme un acteur global capable d’intervenir aussi bien sur des phases amonts (AMOA) que sur des phases d’intégration de logiciels (AMOE): Conseil et Services…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Evol Tsnet	Exact match	Lima, PeruHQ recorded Nov 6, 2026	501-1,000	418 contacts →
	Exact match “Somos una empresa consultora, líder en el rubro de TI, orientada en apoyar a las organizaciones en el despliegue exitoso de las estrategias empresariales, que permita hacerlas más…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Intone	Exact match	Iselin, TX, United StatesHQ recorded Nov 6, 2026	501-1,000	414 contacts →
	Exact match “Incorporated in the year 2003 at New Jersey, USA, Intone Networks Inc.(Intone) is an ISO 27001:2013 and 9001:2015 certified leading IT consulting firm, specializing on IT…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	AIM Consulting Group	Exact match	Bellevue, CO, United StatesHQ recorded Nov 6, 2026	501-1,000	409 contacts →
	Exact match “AIM Consulting, an Addison Group company, is an award-winning industry leader in technology consulting and solutions delivery.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Viva USA INC	Exact match	Rolling Meadows, IL, United StatesHQ recorded Nov 6, 2026	501-1,000	403 contacts →
	Exact match “VIVA USA Inc.(VIVA), certified Woman and Minority Owned, is a Technology and IT consulting company based in the greater Chicago area.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Reti S.P.A	Exact match	Busto Arsizio, ItalyHQ recorded Nov 6, 2026	201-500	394 contacts →
	Exact match “Founded in 1994 by Bruno Paneghini, Reti is one of the main Italian player in the IT Consulting sector, specialized in System Integration Services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Fresche Solutions	Exact match	Montréal, QC, CanadaHQ recorded Nov 6, 2026	201-500	365 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
25	Atsistemas	Exact match	Las Rozas, SpainHQ recorded Nov 6, 2026	1,001-5,000	364 contacts →
	Exact match “With about 2200 experts atSistemas delivers IT consulting, services and software development which to help organizations to be more efficient and profitable.” Recorded in the RevenueBase company graph · Nov 6, 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 replacement consultants”. 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 8,782 legacy system replacement consultants worldwide

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Legacy system replacement consultants worldwide at a glance

As of Nov 6, 2026

28.1%Verified-email coverage

12.0Average contacts per company

1-10Median size (employees)

1.3%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

5,332

11-50

2,479

51-200

735

201-500

139

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 system replacement consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “legacy system replacement consultants” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 29,541 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Legacy system replacement consultants by location

61 lists · largest first

Every Legacy system replacement consultants 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 system replacement consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many legacy system replacement consultants are there worldwide?

RevenueBase identified 8,782 company matches for legacy system replacement consultants worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

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

Which country has the most legacy system replacement consultants?

The United States leads with 2,105 companies, followed by India (688) and the United Kingdom (396). Every legacy system replacement consultants list by country and city is linked on this page.

Which city has the most legacy system replacement consultants?

London leads with 113 company records, followed by Paris (90) and Sao Paulo (90).

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 29,541 professional contacts with verified work emails tracked across these 8,782 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.