Company lists · Data refreshed September 2026

Top 25 Subsea operations software companies worldwide

RevenueBase identified 2,435 company matches for subsea operations software companies worldwide as of September 2026 and tracks 140,113 professional contacts across them, including 31,283 with verified work emails. The United Kingdom is the largest market and Houston the largest hub.

This list covers company matches for subsea operations software 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 September 29, 2026. Country and city lists for subsea operations software 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 Sep 29, 2026 How this list was built
2,435Companies
140,113Contacts tracked
31,283Verified emails
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The 25 largest subsea operations software companies worldwide

Ranked by team size
Top 25 of 2,435 company matches for subsea operations software companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 matchHouston, TX, United StatesHQ recorded Sep 29, 202610001+12,031 contacts →

Exact match

“Oceaneering is a global technology company delivering engineered services and products and robotic solutions to the offshore energy, defense, aerospace, and manufacturing…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchUnited KingdomHQ recorded Sep 29, 202610001+11,255 contacts →

Exact match

“Technip is a former company that was separated into two independent companies: TechnipFMC and Technip Energies, which now operate with no capital ties.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchHouston, TX, United StatesHQ recorded Sep 29, 202610001+6,543 contacts →

Exact match

“SLB OneSubsea is the world’s leading subsea technology and solutions provider, focused on accelerating innovation to improve subsea asset performance, while increasing energy…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Sep 29, 20265,001-10,0006,466 contacts →

Exact match

“Long recognized for extraordinary performance, superb safety and long-standing partnerships, and now incorporating Frank’s International, Expro is focused on enabling our…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchBergen, NorwayHQ recorded Sep 29, 20265,001-10,0002,942 contacts →

Exact match

“With a multi-national workforce of over 5,700 personnel, DOF is an international group of companies which owns and operates a fleet of modern offshore/subsea vessels, with an…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchRio De Janeiro, BrazilHQ recorded Sep 29, 20261,001-5,0002,427 contacts →

Exact match

“A OCYAN atua há décadas na prestação de serviços para o setor de óleo e gás upstream, estruturando suas operações em três frentes de atuação.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchBrazilHQ recorded Sep 29, 2026n/a2,224 contacts →

Exact match

“Rov company.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchMacaé - Rj, BrazilHQ recorded Sep 29, 20261,001-5,0002,213 contacts →

Exact match

“OCEÂNICA is a Brazilian company dedicated to providing services and engineering technology solutions for companies with underwater activities”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchNiterói, BrazilHQ recorded Sep 29, 20261,001-5,0001,847 contacts →

Exact match

“O Grupo CBO é uma das maiores empresas de apoio marítimo do Brasil.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Sep 29, 20261,001-5,0001,706 contacts →

Exact match

“Helix Energy Solutions, headquartered in Houston, Texas, is an international offshore energy services company that provides specialty services to the offshore energy industry…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchDubai, United Arab EmiratesHQ recorded Sep 29, 20261,001-5,0001,685 contacts →

Exact match

“Every year, drilling teams make decisions worth millions of dollars on incomplete information.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchÇankaya, TürkiyeHQ recorded Sep 29, 2026501-1,0001,501 contacts →

Exact match

“TP-OTC is established to provide all engineering and technology services for offshore operations in oil and gas industry.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchOslo, NorwayHQ recorded Sep 29, 20261,001-5,0001,375 contacts →

Exact match

“DeepOcean is a technology-driven, independent solution provider in the ocean space.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Sep 29, 2026201-5001,279 contacts →

Exact match

“(Underwater Engineering) S.A.L was established in 1976.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchAllerød, DenmarkHQ recorded Sep 29, 2026501-1,0001,043 contacts →

Exact match

“Welltec® is a global technology company that develops and provides efficient, hi-tech solutions for the energy industry.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchLaksevåg, NorwayHQ recorded Sep 29, 20261,001-5,0001,031 contacts →

Exact match

“Shearwater is a global marine geoscience and technology business.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchKhobar, Saudi ArabiaHQ recorded Sep 29, 2026501-1,000916 contacts →

Exact match

“Provides first-class marine offshore Services to the Oil & Gas sector in the Arabian Gulf region and beyond.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchMumbai, IndiaHQ recorded Sep 29, 20261,001-5,000905 contacts →

Exact match

“The organization is a joint venture between Planet Energy and BW Offshore - one of the world's largest Floating Production System Provider, listed on the Oslo stock exchange.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Sep 29, 20261,001-5,000793 contacts →

Exact match

“With offices in Abu Dhabi, Dubai, Qatar and Singapore, Allianz Middle East Ship Management LLC(Allianz-ME) is a well-established marine contractors providing modern Offshore…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchOslo, NorwayHQ recorded Sep 29, 2026501-1,000768 contacts →

Exact match

“AGR – an Aqualis company – is a multidisciplinary consultancy, specialising in drilling & wells, subsurface, marine and subsea solutions, resourcing, technical safety and software…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchYantai, ChinaHQ recorded Sep 29, 202610001+720 contacts →

Exact match

“Yantai CIMC Raffles Offshore Technology Group Co, Ltd.(“CIMC Raffles”) is a leading offshore engineering and high-end marine equipment group in China, with a strong focus on the…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchFornebu, NorwayHQ recorded Sep 29, 2026501-1,000710 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 29, 2026n/a681 contacts →

Exact match

“SDSD - Supporting Maritime Professionals since 1983 Software innovation to the Maritime industry for more than 30 years.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchSingaporeHQ recorded Sep 29, 2026201-500674 contacts →

Exact match

“The Pacific Radiance Group of Companies is an established owner and operator of offshore vessels and a provider of subsea services, shipyard services, marine equipment as well as…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchHouston, TX, United StatesHQ recorded Sep 29, 20261,001-5,000635 contacts →

Exact match

“Worldwide Oilfield Machine (WOM) is a multinational equipment manufacturer specializing in solutions for drilling, testing, production and intervention operations.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 2,435 subsea operations software companies worldwide

See the full list, filter by size, metro and specialty, and access 31,283 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Subsea operations software companies worldwide at a glance

As of Sep 29, 2026
22.3%Verified-email coverage
57.5Average contacts per company
11-50Median size (employees)
5.9%Largest-city concentration · Houston
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
962
11-50
847
51-200
399
201-500
114
501-1,000
51
1,001-5,000
40
5,001-10,000
5
10001+
13

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 subsea operations software companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “subsea operations software 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 31,283 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 September 29, 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.

Subsea operations software companies by location

19 lists · largest first

Every Subsea operations software 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 “subsea operations software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many subsea operations software companies are there worldwide?

RevenueBase identified 2,435 company matches for subsea operations software companies worldwide as of September 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?

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

Which country has the most subsea operations software companies?

The United Kingdom leads with 410 companies, followed by the United States (350) and Norway (204). Every subsea operations software companies list by country and city is linked on this page.

Which city has the most subsea operations software companies?

Houston leads with 143 company records, followed by Aberdeen (90) and Singapore (67).

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 31,283 professional contacts with verified work emails tracked across these 2,435 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 September 29, 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.