Company lists · Data refreshed November 2026

Top 17 Outsourced IT services based in Singapore

RevenueBase identified 226 company matches for outsourced IT services associated with Singapore as of November 2026 and tracks 5,985 professional contacts across them, including 1,413 with verified work emails. Singapore is the largest hub.

This list covers company matches for outsourced IT services associated with Singapore, 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.

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
226Companies
5,985Contacts tracked
1,413Verified emails
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The 17 largest outsourced IT services based in Singapore

Ranked by team size
Top 17 of 226 company matches for outsourced IT services based in Singapore, 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 matchSingaporeHQ recorded Nov 6, 2026501-1,000251 contacts →

Exact match

“OPUS IT Services Pte Ltd is a leading IT services and solutions company in Singapore.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSingaporeHQ recorded Nov 6, 2026201-500212 contacts →

Exact match

“NSOL provides a broad portfolio of Business processes and Information Technology solutions to its clients worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSingaporeHQ recorded Nov 6, 2026201-500142 contacts →

Exact match

“Established in 2018, Alphaeus has just one goal in mind – to be a one-stop IT solution provider for all Information Technology (IT) support services in Singapore.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSingaporeHQ recorded Nov 6, 20261,001-5,000136 contacts →

Exact match

“Established in 1988, RMA Group is a leading global outsourcing specialist headquartered in Singapore with more than 1,200 employees across five countries throughout Asia-Pacific.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSingaporeHQ recorded Nov 6, 2026201-50097 contacts →

Exact match

“The best of Xcellink today is the result of having evolved through more than 2 decades of Enterprise ICT Operations management experience and capabilities development as a trusted…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSingaporeHQ recorded Nov 6, 202651-20094 contacts →

Exact match

“NuVista Technologies Pte Ltd provides comprehensive Solutions and Consulting Services for Human Resource, Procurement & for ERP-Cloud-based SaaS Business Suite with Integrated…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSingaporeHQ recorded Nov 6, 2026201-50090 contacts →

Exact match

“Technopals is one of the leading providers of IT solutions and services to various companies of high repute.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSingaporeHQ recorded Nov 6, 202611-5084 contacts →

Exact match

“Banking Computer Services Private Limited is an information technology and services company based out of 31 Tampines Avenue 4, SINGAPORE, Singapore.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSingaporeHQ recorded Nov 6, 202651-20081 contacts →

Exact match

“Neurones IT is an IT infrastructure service provider specialized in Consulting, Transformation and Operations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSingaporeHQ recorded Nov 6, 202651-20078 contacts →

Exact match

“S&I Systems, established in 1998, is a leading service provider offering end-to-end IT services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSingaporeHQ recorded Nov 6, 202611-5065 contacts →

Exact match

“Established in 1992, Amnet Technology Pte Ltd has been a trusted partner in delivering cutting-edge technology and business solutions that drive success.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSingaporeHQ recorded Nov 6, 202651-20056 contacts →

Exact match

“Positka is dedicated to building a business that delivers value to customers by combining the strategic rigor and intellectual focus of high-end management consulting with the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSingaporeHQ recorded Nov 6, 202651-20045 contacts →

Exact match

“TECHEDGE SOLUTION is an enterprise IT recruitment and IT operations partner - headquartered in Singapore, with teams across the UAE, India, and Australia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSingaporeHQ recorded Nov 6, 202651-20042 contacts →

Exact match

“Service is simple.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSingaporeHQ recorded Nov 6, 202651-20040 contacts →

Exact match

“Green BPO - 100% Remote Role - lowest attrition and cost - expertise in Finance Order 2 Cash roles, Customer Service, Analyst and Tech Roles across India & Asia - bilingual…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSingaporeHQ recorded Nov 6, 202651-20033 contacts →

Exact match

“ServBridge Incorporated is a global IT services leader, operating across 100+ countries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSingaporeHQ recorded Nov 6, 202651-20031 contacts →

Exact match

“Our Journey Inventivo was established in 2015 by 2 passionate Engineers that believe in providing services to the partner community.”

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

Showing 17 of 226 outsourced IT services based in Singapore

See the full list, filter by size, metro and specialty, and access 1,413 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Outsourced IT services based in Singapore at a glance

As of Nov 6, 2026
23.6%Verified-email coverage
26.5Average contacts per company
11-50Median size (employees)
91.6%Largest-city concentration · Singapore
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
73
11-50
96
51-200
36
201-500
14
501-1,000
3
1,001-5,000
3

Email recency for this list is measured worldwide rather than for Singapore, so it is reported there. Company counts and contact totals on this page are exact for Singapore, over 226 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 Singapore whose business descriptions match “outsourced IT services” 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 1,413 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.

Outsourced IT services 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 “outsourced IT services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many outsourced IT services are there based in Singapore?

RevenueBase identified 226 company matches for outsourced IT services associated with Singapore 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?

Opus IT Services PTE LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most outsourced IT services?

Singapore leads with 207 company records, followed by Downtown Core (2) and Ang Mo Kio (1).

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 1,413 professional contacts with verified work emails tracked across these 226 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.