Company lists · Data refreshed September 2026

Top 25 Operational technology consulting firms based in Singapore

Name: Operational technology consulting firms based in Singapore
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 169 companies tracked

RevenueBase identified 169 operational technology consulting firms headquartered in Singapore as of September 2026 and tracks 3,221 professional contacts across them, including 677 with verified work emails. Singapore is the largest hub.

This list covers operational technology consulting firms 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 29, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review

169Companies

3,221Contacts tracked

677Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest operational technology consulting firms based in Singapore

Ranked by team size

Top 25 of 169 operational technology consulting firms based in Singapore, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to operational technology consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	WEB Synergies	Partial evidence	SingaporeHQ checked Sep 29, 2026	501-1,000	512 contacts →
	Partial evidence “Web Synergies is and a global IT solutions provider headquartered in Singapore with offices in India, Japan, UAE, USA, Vietnam and Malaysia that provides innovative consulting…” Source: RevenueBase Database · checked Sep 29, 2026
2	Nera Telecommunications LTD	Partial evidence	SingaporeHQ checked Sep 29, 2026	501-1,000	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 29, 2026
3	Viseo Asia	Strong evidence	SingaporeHQ checked Sep 29, 2026	1,001-5,000	241 contacts →
	Strong evidence “VISEO is a global digital and business consulting company that assists its clients with their transformation journeys using advanced technology and industry expertise.” Source: RevenueBase Database · checked Sep 29, 2026
4	Hollysys Automation Technologies	Indirect evidence	SingaporeHQ checked Sep 29, 2026	5,001-10,000	199 contacts →
	Indirect evidence “Established in 1993, HollySys stands as a premier provider of intelligent solutions.” Source: RevenueBase Database · checked Sep 29, 2026
5	Cyberteq	Partial evidence	Bishan, SingaporeHQ checked Sep 29, 2026	51-200	128 contacts →
	Partial evidence “CYBERTEQ is a Cybersecurity technology company with a clear mission to create value for clients by driving Digital and Cyber resilience.” Source: RevenueBase Database · checked Sep 29, 2026
6	Potenza	Partial evidence	SingaporeHQ checked Sep 29, 2026	51-200	116 contacts →
	Partial evidence “POTENZA is an award-winning Business Technology Services company that helps clients overcome business constraints, improve performance and create a sustainable competitive…” Source: RevenueBase Database · checked Sep 29, 2026
7	Hadron GBS	Partial evidence	SingaporeHQ checked Sep 29, 2026	201-500	115 contacts →
	Partial evidence “Welcome to Hadron GBS: Empowering Enterprise Service and Operation Management Hadron Global Business Solutions represents a collective effort of seasoned Enterprise Architects…” Source: RevenueBase Database · checked Sep 29, 2026
8	Excel Marco	Indirect evidence	SingaporeHQ checked Sep 29, 2026	51-200	80 contacts →
	Indirect evidence “Excel Marco Group is the Leading Solutions Provider of Process Safety & Automation solutions for the Marine, Oil & Gas, Petrochemical, Power Generation & Water Treatment…” Source: RevenueBase Database · checked Sep 29, 2026
9	Tecsurge	Indirect evidence	SingaporeHQ checked Sep 29, 2026	51-200	76 contacts →
	Indirect evidence “We are an independent IT service provider focused exclusively on engineering data and software used in the process industry.” Source: RevenueBase Database · checked Sep 29, 2026
10	Automatic Controls And Instrumentation PTE LTD	Indirect evidence	SingaporeHQ checked Sep 29, 2026	51-200	70 contacts →
	Indirect evidence “Consultancy & Design Services for- Control System Design - PLC Software Programming (E.g.” Source: RevenueBase Database · checked Sep 29, 2026
11	Positka	Partial evidence	SingaporeHQ checked Sep 29, 2026	51-200	67 contacts →
	Partial 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 29, 2026
12	Apeiron	Strong evidence	Jurong East, SingaporeHQ checked Sep 29, 2026	51-200	52 contacts →
	Strong evidence “Apeiron delivers end-to-end automation, engineering, Operational Technology (OT), and OT cybersecurity solutions that enable global OEMs and enterprises to innovate, operate…” Source: RevenueBase Database · checked Sep 29, 2026
13	LKH Precicon PTE LTD	Partial evidence	SingaporeHQ checked Sep 29, 2026	51-200	50 contacts →
	Partial evidence “For over 40 years, LKH Precicon has been a leader in delivering smart, sustainable, and secure industrial technologies in Singapore.” Source: RevenueBase Database · checked Sep 29, 2026
14	Conny Tech PTE LTD	Partial evidence	SingaporeHQ checked Sep 29, 2026	51-200	40 contacts →
	Partial evidence “We engineer your future… the only limit is your imagination.” Established in 1989, Conny Tech is a technology engineering company specialising in industrial automation, control…” Source: RevenueBase Database · checked Sep 29, 2026
15	Arethos PTE LTD	Strong evidence	SingaporeHQ checked Sep 29, 2026	51-200	40 contacts →
	Strong evidence “Arethos is promoted by Information Technology professionals with an extensive management experience in consulting, technology, and Business Transformation & outsourcing solutions.” Source: RevenueBase Database · checked Sep 29, 2026
16	Shearwater Asia	Indirect evidence	SingaporeHQ checked Sep 29, 2026	51-200	39 contacts →
	Indirect evidence “Shearwater Asia aims to make your investment in I.T.” Source: RevenueBase Database · checked Sep 29, 2026
17	Macro-Integration	Indirect evidence	SingaporeHQ checked Sep 29, 2026	11-50	38 contacts →
	Indirect evidence “business has been established as a solution provider for facilities and process management systems integration for manufacturing plants.” Source: RevenueBase Database · checked Sep 29, 2026
18	Newtone Consulting	Partial evidence	SingaporeHQ checked Sep 29, 2026	51-200	30 contacts →
	Partial evidence “Newtone consulting is a specialist provider of IT Consulting, Executive Placement/Recruitment and Project Contracting and Support Services.” Source: RevenueBase Database · checked Sep 29, 2026
19	Antaes Asia	Strong evidence	Singapore Downtown Core, SingaporeHQ checked Sep 29, 2026	11-50	29 contacts →
	Strong evidence “Founded in 2007, Antaes is a Swiss company of engineers experienced in Management and Technology Consulting.” Source: RevenueBase Database · checked Sep 29, 2026
20	IOM PTE LTD	Indirect evidence	SingaporeHQ checked Sep 29, 2026	51-200	26 contacts →
	Indirect evidence “iOM provides a wide range of consultancy services, which lets you experience a total solution while letting you focus on your core business requirements.” Source: RevenueBase Database · checked Sep 29, 2026
21	Marshal Systems Private Limited	Partial evidence	SingaporeHQ checked Sep 29, 2026	11-50	26 contacts →
	Partial evidence “Formerly known as Marshal Technology Mktg & Eng'g Pte Ltd, we took a turning point in November 2009 when we renamed ourselves Marshal Systems Private Limited.” Source: RevenueBase Database · checked Sep 29, 2026
22	Maltem Asia-Pacific	Indirect evidence	SingaporeHQ checked Sep 29, 2026	11-50	25 contacts →
	Indirect evidence “Maltem Asia Pacific is a global community of 1,200 tech and digital transformation experts, founded in 2001 and present across 11 countries; Singapore, Hong Kong, Thailand…” Source: RevenueBase Database · checked Sep 29, 2026
23	Protiviti Singapore	Partial evidence	SingaporeHQ checked Sep 29, 2026	1,001-5,000	22 contacts →
	Partial evidence “Protiviti is a global consulting firm that delivers deep expertise, objective insights, a tailored approach, and unparalleled collaboration to help leaders confidently face the…” Source: RevenueBase Database · checked Sep 29, 2026
24	Undercurrent Technologies PTE LTD	Partial evidence	SingaporeHQ checked Sep 29, 2026	51-200	22 contacts →
	Partial evidence “We believe in empowering dreamers to craft technology for the greater good, one byte at a time.” Source: RevenueBase Database · checked Sep 29, 2026
25	Tesla Consulting	Indirect evidence	SingaporeHQ checked Sep 29, 2026	11-50	21 contacts →
	Indirect evidence “DESIGN BUSINESS PROCESSES • We work closely with management teams to define clear business objectives and business strategies.” Source: RevenueBase Database · checked Sep 29, 2026

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: operational technology consulting firms. 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 operational technology consulting firms.
Partial evidence: Its own public description names part of operational technology consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name operational technology consulting firms. 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 169 operational technology consulting firms based in Singapore

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 677 reachable decision-makers.

Free signup · no credit card

View the full list →

Operational technology consulting firms based in Singapore at a glance

As of Sep 29, 2026

21.0%Verified-email coverage

19.1Average contacts per company

11-50Median size (employees)

92.3%Largest-city concentration · Singapore

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 169 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 operational technology consulting firms, 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 “operational technology consulting firms”. 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 operational technology consulting firms), 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 operational technology consulting firms, 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, 677 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 29, 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.

Operational technology consulting firms by metro

Operational technology consulting firms in Singapore156

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 operational technology consulting firms, 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 operational technology consulting firms are there based in Singapore?

RevenueBase identified 169 operational technology consulting firms 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?

WEB Synergies, headquartered in Singapore, tops this list with the largest team on record.

Which city has the most operational technology consulting firms?

Singapore leads with 156 headquartered companies, followed by Downtown Core (2) and East (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 677 verified decision-maker contacts tracked across these 169 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 29, 2026.

Ready to reach these companies? Verified emails and direct dials for all 169 operational technology consulting firms based in Singapore. Start with a free account, no credit card.

Download this list →

Related lists

Operational technology consulting firms by geography

Browse the directory

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.