Company lists · Data refreshed November 2026

Top 25 Operational technology consultants worldwide

Name: Operational technology consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 10,653 companies tracked

RevenueBase identified 10,653 company matches for operational technology consultants worldwide as of November 2026 and tracks 180,733 professional contacts across them, including 51,081 with verified work emails. The United States is the largest market and Paris the largest hub.

This list covers company matches for operational technology 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 operational technology 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

10,653Companies

180,733Contacts tracked

51,081Verified emails

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The 25 largest operational technology consultants worldwide

Ranked by team size

Top 25 of 10,653 company matches for operational technology 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	Wavestone	Exact match	100-101 Terrasse Boieldieu, FranceHQ recorded Nov 6, 2026	1,001-5,000	6,512 contacts →
	Exact match “Wavestone is a leading consulting firm operating at the intersection of business and technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Amaris Consulting Part Of Mantu	Exact match	Chêne-bourg, SwitzerlandHQ recorded Nov 6, 2026	5,001-10,000	5,223 contacts →
	Exact match “Amaris Consulting is an independent technology consulting firm providing guidance and solutions to businesses.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Management Solutions	Exact match	Madrid, SpainHQ recorded Nov 6, 2026	1,001-5,000	4,730 contacts →
	Exact match “Management Solutions is a leading provider of business consulting services for regulated industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Entrust Solutions Group	Exact match	Lisle, IL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,019 contacts →
	Exact match “ENTRUST Solutions Group, an ENR Top 100 company, provides comprehensive and dependable engineering, consulting, and automation services to pipeline companies, gas and electric…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Etteplan	Exact match	Espoo, FinlandHQ recorded Nov 6, 2026	1,001-5,000	2,556 contacts →
	Exact match “We are a technology service company that, with our thinkers and doers, enable breakthroughs that help industrial businesses change.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	BBA Consultants	Exact match	Mont-saint-hilaire, QC, CanadaHQ recorded Nov 6, 2026	1,001-5,000	2,052 contacts →
	Exact match “We help companies with their challenges and transformation by relying on our sharp business acumen, extensive practical experience and vast technological curiosity.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Hexagon Asset Lifecycle Intelligence	Exact match	Madison, AL, United StatesHQ recorded Nov 6, 2026	10001+	1,698 contacts →
	Exact match “Hexagon’s Asset Lifecycle Intelligence division helps clients design, construct and operate more profitable, safe and sustainable industrial facilities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	DSS	Exact match	Geneva, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	1,687 contacts →
	Exact match “dss⁺ is the operational transformation partner for complex and high-hazard industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Trace3	Exact match	Irvine, MI, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,431 contacts →
	Exact match “Trace3 delivers business transformation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	PAS	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	201-500	1,333 contacts →
	Exact match “PAS, part of Hexagon's Asset Lifecycle Intelligence division, delivers software solutions that prevent, detect, & remediate cyber threats, reduce process safety risks, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	IOCO	Exact match	Midrand, South AfricaHQ recorded Nov 6, 2026	1,001-5,000	1,173 contacts →
	Exact match “iOCO is one of Africa's largest end-to-end technology solutions providers, delivering specialised IT and Operational Technology (OT) services to corporate, enterprise, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	AUSY	Exact match	Sèvres Cedex, FranceHQ recorded Nov 6, 2026	5,001-10,000	1,036 contacts →
	Exact match “The story of AUSY by Randstad started in France in 1989.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Interstates	Exact match	Sioux Center, CO, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,034 contacts →
	Exact match “As a Partner Interstates is your trusted partner for electrical, automation, and operational technology needs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Capco Energy	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	880 contacts →
	Exact match “For 25 years Capco’s Energy practice has combined innovative thinking with deep industry knowledge to provide business consulting, digital transformation and technology services…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Ubeo Business Services	Exact match	Austin, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	788 contacts →
	Exact match “UBEO Business Services is an end-to-end provider of business technology solutions and services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Visiativ	Exact match	Lyon, FranceHQ recorded Nov 6, 2026	1,001-5,000	770 contacts →
	Exact match “Through innovation and digitalisation, Visiativ delivers smarter ways of working that help businesses become more agile, efficient and collaborative.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Marine Electricals India Limited	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	501-1,000	770 contacts →
	Exact match “Marine Electricals is an integrated technical services provider in the fields of electrical automation and information and communication technology solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Groupe Intm	Exact match	Levallois-perret, FranceHQ recorded Nov 6, 2026	1,001-5,000	727 contacts →
	Exact match “Le Groupe INTM est une société de conseil et de services en ingénierie numérique, dont le positionnement s'inscrit depuis plusieurs années dans une volonté de proximité, d'écoute…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Metafinanz	Exact match	Munich, GermanyHQ recorded Nov 6, 2026	501-1,000	702 contacts →
	Exact match “For over 35 years, metafinanz Informationssysteme GmbH, a business and IT consulting company, has been at the side of its customers in an increasingly digital and dynamic world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Smec Automation	Exact match	Kochi, IndiaHQ recorded Nov 6, 2026	501-1,000	696 contacts →
	Exact match “Welcome to SMEC Automation, where engineering excellence meets innovation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Sigma Industry	Exact match	Stockholm, SwedenHQ recorded Nov 6, 2026	1,001-5,000	685 contacts →
	Exact match “Sigma Industry har tagit ett långsiktigt åtagande för att förnya konsultbranschen inom ingenjörstjänster.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Dragos, INC	Exact match	Hanover, MD, United StatesHQ recorded Nov 6, 2026	501-1,000	670 contacts →
	Exact match “Dragos provides the most effective OT cybersecurity technology for industrial and critical infrastructure to deliver on our global mission: to safeguard civilization.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Sarla Technologies	Exact match	Navi Mumbai, IndiaHQ recorded Nov 6, 2026	501-1,000	644 contacts →
	Exact match “Sarla Technologies is an ISO 9001:2015 and ISO 27001:2022 certified Engineering Organization.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Cloudflight	Exact match	Munich, GermanyHQ recorded Nov 6, 2026	501-1,000	638 contacts →
	Exact match “Cloudflight is one of the leading full-service providers in the field of industrial digital transformation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Solomonedwards	Exact match	Wayne, PA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	633 contacts →
	Exact match “For more than 25 years, SolomonEdwards has empowered organizations to tackle common and complex business challenges through strategic advisory, technical advocacy, and hands-on…” 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 “operational technology 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 10,653 operational technology consultants worldwide

See the full list, filter by size, metro and specialty, and access 51,081 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Operational technology consultants worldwide at a glance

As of Nov 6, 2026

28.3%Verified-email coverage

17.0Average contacts per company

1-10Median size (employees)

1.3%Largest-city concentration · Paris

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

6,597

11-50

2,896

51-200

809

201-500

188

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 operational technology consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “operational technology 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 51,081 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.

Operational technology consultants by location

73 lists · largest first

Every Operational technology 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 “operational technology consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many operational technology consultants are there worldwide?

RevenueBase identified 10,653 company matches for operational technology 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?

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

Which country has the most operational technology consultants?

The United States leads with 1,876 companies, followed by France (634) and Brazil (607). Every operational technology consultants list by country and city is linked on this page.

Which city has the most operational technology consultants?

Paris leads with 134 company records, followed by Sao Paulo (132) and Houston (126).

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 51,081 professional contacts with verified work emails tracked across these 10,653 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.