Company lists · Data refreshed November 2026

Top 25 Software maintenance and support companies worldwide

RevenueBase identified 1,662 company matches for software maintenance and support companies worldwide as of November 2026 and tracks 10,255 professional contacts across them, including 2,319 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for software maintenance and support 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 5, 2026. Country and city lists for software maintenance and support 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 5, 2026 How this list was built
1,662Companies
10,255Contacts tracked
2,319Verified emails
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The 25 largest software maintenance and support companies worldwide

Ranked by team size
Top 25 of 1,662 company matches for software maintenance and support companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchNasik, IndiaHQ recorded Nov 5, 2026501-1,000653 contacts →

Exact match

“For over 25 years, Aress Software has been the silent engine behind IT operations that never stop.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchGreenwood Village, United StatesHQ recorded Nov 5, 2026201-500282 contacts →

Exact match

“Spinnaker Support delivers independent third-party support and expert services for Oracle, SAP, VMware, and PostgreSQL environments.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchSao Paulo, United StatesHQ recorded Nov 5, 2026n/a268 contacts →

Exact match

“Ela permite que você cresça a empresa para além de manutenção e suporte, incluindo Service Desk, infraestrutura, redes, cabeamento, projetos, consultoria e soluções corporativas.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchArundel, AustraliaHQ recorded Nov 5, 2026n/a252 contacts →

Exact match

“ONGC Systems provides businesses with comprehensive IT services, that automate and streamline operations, reduce risk and increase stability while lowering the cost of system…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchGalatsi, GreeceHQ recorded Nov 5, 2026n/a217 contacts →

Exact match

“Ιδρυθήκαμε το 1988 και εστιάζουμε κυρίως στην προσεγμένη, άμεση και ποιοτική εξυπηρέτηση των πελατών μας.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchSao Paulo, BrazilHQ recorded Nov 5, 2026201-500166 contacts →

Exact match

“A BELLCOMSYS é uma empresa especializada em Tecnologia de Informação e suporte corporativo com 15 anos de experiência.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchReykjavík, IcelandHQ recorded Nov 5, 202651-200149 contacts →

Exact match

“OK er öflugt tölvufyrirtæki sem sérhæfir sig í þjónustu og rekstri tölvukerfa.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchNoida, IndiaHQ recorded Nov 5, 202651-200134 contacts →

Exact match

“TPMGuru is a leading provider of IT Support, managed services, repair and maintenance.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchNew Delhi, IndiaHQ recorded Nov 5, 202611-5091 contacts →

Exact match

“Sage InfoteAnnual Maintenance and Facilities Management Contracts of Servers, Desktop PCs, Notebooks, related peripherals & Infrastructure.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchBangalore, IndiaHQ recorded Nov 5, 202651-20084 contacts →

Exact match

“Posibolt's highly competent,focused and responsive management team has extensive Experience in achieving performance excellence and is determined to go that extra mile to ensure…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Nov 5, 202651-20081 contacts →

Exact match

“Support Revolution provides 3rd party Oracle and SAP Software Support & Maintenance and help to save customers up to 90% on what they currently pay.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchSaint-priest, FranceHQ recorded Nov 5, 2026201-50081 contacts →

Exact match

“Maintronic, une galaxie de solutions pour la réparation, le déploiement & le SAV informatique LA RÉPARATION IDÉALE SE CONSTRUIT AVEC VOUS UN SEUL MÉTIER DEPUIS 50 ANS, LA…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchIndiaHQ recorded Nov 5, 202651-20081 contacts →

Exact match

“We wish to introduce ourselves as one of the premium IT companies in U.P, having an installation base of more than computers, 300 Servers and more than 3400 Network equipment and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchBarcelona, SpainHQ recorded Nov 5, 202651-20077 contacts →

Exact match

“Vanadys is a young and dynamic organization managed by a group of professionals with more than 25 years of experience in major IT manufacturers, consulting services companies…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchAustin, TX, United StatesHQ recorded Nov 5, 202611-5072 contacts →

Exact match

“SMARTECH is the premier provider of complimentary maintenance services to world-class service organizations.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchWindhof, LuxembourgHQ recorded Nov 5, 202611-5066 contacts →

Exact match

“An application is much more than a code base; it is an ever-changing set of constraints, expectations and unforeseen events.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchBirmingham, United KingdomHQ recorded Nov 5, 202651-20062 contacts →

Exact match

“At ModernLogic we believe that the customer journey should not end with a successful implementation.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchUnited StatesHQ recorded Nov 5, 202651-20062 contacts →

Exact match

“Empresa especializada em suporte técnico e manutenção preventiva.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchMilan, ItalyHQ recorded Nov 5, 202651-20054 contacts →

Exact match

“Con l'ausilio dei professionisti di Gruppo Trade, le aziende possono ridurre la complessità e i costi associati al supporto degli ambienti hardware e software di rete presenti…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchMelville, NY, United StatesHQ recorded Nov 5, 2026n/a50 contacts →

Exact match

“Zensar Technologies, a leading software and infrastructure management services provider, offers an end-to-end suite of Multivendor Support Service (MVS) Offerings, which will help…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchBelo Horizonte, BrazilHQ recorded Nov 5, 202611-5049 contacts →

Exact match

“A Portnet Informática Equipamentos Ltda é uma empresa especializada em tecnologia, criada para atender um mercado cada vez mais exigente e competitivo.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchAhmedabad, IndiaHQ recorded Nov 5, 202611-5047 contacts →

Exact match

“360 Degree Technosoft has a 360 Degree approach to find the solutions of any problems faced by our client.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchKings Cross London, United KingdomHQ recorded Nov 5, 202651-20045 contacts →

Exact match

“Advance Global IT Support is a comprehensive global IT Services provider that focuses on quality & value.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchWatkinsville, GA, United StatesHQ recorded Nov 5, 202651-20044 contacts →

Exact match

“At Athens Micro, we know you want your technology to work so you can focus on running your business.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchCity Of Buenos Aires, ArgentinaHQ recorded Nov 5, 202611-5042 contacts →

Exact match

“Desarrollo de Software - Conformación de Equipos - Consultoría Tecnológica - Soporte y Mantenimiento”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 1,662 software maintenance and support companies worldwide

See the full list, filter by size, metro and specialty, and access 2,319 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Software maintenance and support companies worldwide at a glance

As of Nov 5, 2026
22.6%Verified-email coverage
6.2Average contacts per company
1-10Median size (employees)
1.7%Largest-city concentration · Sao Paulo
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
1,180
11-50
363
51-200
64
201-500
21
501-1,000
4
1,001-5,000
1
5,001-10,000
1
10001+
1

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 software maintenance and support companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “software maintenance and support 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 2,319 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 5, 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.

Software maintenance and support companies by location

11 lists · largest first

Every Software maintenance and support companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase SmartSearch?

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

How many software maintenance and support companies are there worldwide?

RevenueBase identified 1,662 company matches for software maintenance and support 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?

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

Which country has the most software maintenance and support companies?

The United States leads with 299 companies, followed by Brazil (139) and the United Kingdom (126). Every software maintenance and support companies list by country and city is linked on this page.

Which city has the most software maintenance and support companies?

Sao Paulo leads with 29 company records, followed by London (21) and Madrid (10).

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 2,319 professional contacts with verified work emails tracked across these 1,662 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 5, 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.