Company lists · Data refreshed September 2026
Top 25 IT systems integrators based in Singapore
RevenueBase identified 193 IT systems integrators headquartered in Singapore as of September 2026 and tracks 4,918 professional contacts across them, including 1,200 with verified work emails. Singapore is the largest hub.
This list covers IT systems integrators headquartered in Singapore, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest IT systems integrators based in Singapore
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 553 contacts → | ||||
Indirect evidence “Convergint is a global leader in technology enabled security and safety solutions.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 412 contacts → | ||||
Partial evidence “Nera Telecommunications Ltd (NeraTel) is an established technology integrator with a proven track record in delivering comprehensive, turnkey solutions and services that enhance…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 387 contacts → | ||||
Strong evidence “PCSS is a Singapore-based systems integrator with more than 25 years of experience and accolades in providing secure, reliable and state-of-the-art security solutions.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 297 contacts → | ||||
Indirect evidence “ITCAN PTE LTD is a pioneering technology solutions provider headquartered in Singapore, with a global footprint that spans across diverse industries.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 279 contacts → | ||||
Indirect evidence “Leader in ICT & Cybersecurity Solutions & Services Adventus is a premier provider of Information and Communications Technology (ICT) and Cybersecurity solutions and services that…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 240 contacts → | ||||
Strong evidence “Ufinity provides the industry's most innovative and integrated business Information Technology (IT) systems for Asia's leading enterprises, including large multinational groups…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 137 contacts → | ||||
Strong evidence “PrimusTech Private Limited is a Master Systems Integrator (MSI) for buildings and facilities.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 127 contacts → | ||||
Indirect evidence “Merquri helps businesses design, build, and scale enterprise platforms that improve operations, enable better decisions, and support long-term growth.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 118 contacts → | ||||
Partial evidence “VDL Enabling Technologies Group Singapore operates in the business of system integration of mechatronic (sub)systems and modules for OEMs in the high-tech capital equipment…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 97 contacts → | ||||
Strong evidence “9 Dots Consulting is a regional Microsoft-focused systems integrator and independent software vendor (SI–ISV) that helps organisations standardise, modernise, and scale their core…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 86 contacts → | ||||
Indirect evidence “PTC was incorporated in 1991.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 79 contacts → | ||||
Partial evidence “Technopals is one of the leading providers of IT solutions and services to various companies of high repute.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 75 contacts → | ||||
Strong evidence “OneSystems Technologies is a Singapore-based systems integrator and critical infrastructure partner delivering integrated OT and IT solutions for mission-critical environments…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 70 contacts → | ||||
Strong evidence “Since our incorporation in 2003, Terra Systems has become the performance and value leader in IT systems integration which offers customized, efficient, and cost-effective…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 67 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 62 contacts → | ||||
Strong evidence “Mindmap Technologies is a Singapore-headquartered global digital transformation partner and boutique systems integrator.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 60 contacts → | ||||
Strong evidence “Teledata is a leading IT systems integrator and communications services company, listed on the Main Board of the Singapore Exchange in 1994.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 57 contacts → | ||||
Indirect evidence “Founded in 2009, Deep Identity is a Temasek Management Services company, and a member of the Temasek ecosystem.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 51 contacts → | ||||
Indirect evidence “The Japan Research Institute, Limited (JRI) is a leading global technology company.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 43 contacts → | ||||
Strong evidence “Styxtech.Systems is a leading global IT infrastructure reseller and systems integrator, offering a full range of innovative solutions to businesses worldwide.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 40 contacts → | ||||
Strong evidence “3Si is a leading Systems Integrator providing end-to-end Security solutions and technologies to organizations operating in complex and mission critical environments.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 36 contacts → | ||||
Partial evidence “Excent One is a growing Systems Integration and Application Development company.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 35 contacts → | ||||
Strong evidence “EmiNET is a leading IT integrator & managed service provider in Singapore with presence in Indonesia, Malaysia and throughout ASEAN.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 32 contacts → | ||||
Strong evidence “DELTEQ is one of the first local Systems Integrators established in Singapore since 1992.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 32 contacts → | ||||
Partial evidence “Ariston Services is a Singapore headquartered company having offices across ASEAN and India focused in providing a wide range of IT Services mostly to clients from Banking and…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: IT systems integrators. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names IT systems integrators.
- Partial evidence
- Its own public description names part of IT systems integrators, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name IT systems integrators. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 193 IT systems integrators based in Singapore
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IT systems integrators based in Singapore at a glance
As of Sep 28, 2026Companies by employee count
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 193 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among IT systems integrators, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Singapore whose own description of what they do matches “IT systems integrators”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names IT systems integrators), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among IT systems integrators, and records with no verified work email. Companies headquartered outside Singapore are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 1,200 across the full list. 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 28, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
IT systems integrators by metro
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names IT systems integrators, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many IT systems integrators are there based in Singapore?
RevenueBase identified 193 IT systems integrators headquartered in Singapore as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Convergint Asia Pacific, headquartered in Singapore, tops this list with the largest team on record.
Which city has the most IT systems integrators?
Singapore leads with 174 headquartered companies, followed by Queenstown (2) and Bishan (1).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,200 verified decision-maker contacts tracked across these 193 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 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 Smart Search, 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.
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