Company lists · Data refreshed September 2026

Top 25 Marine environmental compliance consultants worldwide

Name: Marine environmental compliance consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 6,944 companies tracked

RevenueBase identified 6,944 company matches for marine environmental compliance consultants worldwide as of September 2026 and tracks 70,783 professional contacts across them, including 17,170 with verified work emails. The United States is the largest market and Singapore the largest hub.

This list covers company matches for marine environmental compliance 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 September 20, 2026. Country and city lists for marine environmental compliance 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 Sep 20, 2026 How this list was built

6,944Companies

70,783Contacts tracked

17,170Verified emails

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The 25 largest marine environmental compliance consultants worldwide

Ranked by team size

Top 25 of 6,944 company matches for marine environmental compliance consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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	Maersk Supply Service	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 20, 2026	201-500	1,407 contacts →
	Exact match “With more than 50 years of legacy, Maersk Supply Service celebrates a new important milestone: from November 1st, our headquarters are officially located in Brazil.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	Wallem Group	Exact match	Hong KongHQ recorded Sep 20, 2026	501-1,000	1,313 contacts →
	Exact match “First established in Shanghai in 1903, Wallem Group has a 120-year maritime heritage with a presence in 19 countries globally.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	Alliance Technical Group	Exact match	Decatur, AL, United StatesHQ recorded Sep 20, 2026	1,001-5,000	956 contacts →
	Exact match “Alliance is a new kind of environmental services company-powered by innovation, focused on service, and committed to client success.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	ABL	Exact match	London, United KingdomHQ recorded Sep 20, 2026	1,001-5,000	804 contacts →
	Exact match “The Energy and Marine Consultants - an Aqualis company.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5	Gardline Limited	Exact match	Great Yarmouth, United KingdomHQ recorded Sep 20, 2026	501-1,000	545 contacts →
	Exact match “Gardline is a best-in-class provider of geophysical, geotechnical and environmental marine surveys.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	VLS Environmental Solutions, LLC	Exact match	Houston, TX, United StatesHQ recorded Sep 20, 2026	1,001-5,000	481 contacts →
	Exact match “At VLS, we address your company’s most significant hurdles with waste management and compliance through sustainable solutions.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	Anchor QEA	Exact match	Seattle, WA, United StatesHQ recorded Sep 20, 2026	501-1,000	479 contacts →
	Exact match “Headquartered in Seattle, Washington, Anchor QEA is a nationally recognized environmental science and engineering consulting firm specializing in aquatic, shoreline, and water…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	Global Maritime	Exact match	Stavanger, NorwayHQ recorded Sep 20, 2026	201-500	472 contacts →
	Exact match “Global Maritime delivers integrated marine solutions for a changing offshore world.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	Groundwater & Environmental Services, INC	Exact match	Wall Township, NJ, United StatesHQ recorded Sep 20, 2026	201-500	447 contacts →
	Exact match “We are Groundwater & Environmental Services, Inc, better known as GES.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10	ROUX	Exact match	Islandia, NY, United StatesHQ recorded Sep 20, 2026	201-500	433 contacts →
	Exact match “Founded 40 years ago, Roux is recognized for being a highly effective, client-focused environmental consulting and management firm.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	Coastal Marine Construction & Engineering LTD	Exact match	Mira Bhayander, IndiaHQ recorded Sep 20, 2026	201-500	403 contacts →
	Exact match “COMACOE - Coastal Marine Construction & Engineering Ltd is an experienced marine services contractor with operations in multiple geographies offering a range of service over the…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	LSC	Exact match	Riga, LatviaHQ recorded Sep 20, 2026	1,001-5,000	394 contacts →
	Exact match “LSC specializes in technical management services for Oil, Product, Chemical tankers and Gas tankers.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13	Briggs Marine	Exact match	Burntisland, United KingdomHQ recorded Sep 20, 2026	501-1,000	387 contacts →
	Exact match “Briggs Marine is a leading provider of marine and environmental services, specialising in port and marine operations, subsea and environmental support and vessel charter.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	Kotug International	Exact match	Rotterdam Havens, NetherlandsHQ recorded Sep 20, 2026	201-500	330 contacts →
	Exact match “AHEAD IN MARITIME EXCELLENCE We are KOTUG.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	Drew Marine	Exact match	Waterbury, CT, United StatesHQ recorded Sep 20, 2026	201-500	304 contacts →
	Exact match “Drew Marine is a global leader in maritime water treatment, fuel management, refrigerant compliance, cleaning solutions, and technical services trusted by ship owners, operators…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	Resolve Marine	Exact match	Fort Lauderdale, FL, United StatesHQ recorded Sep 20, 2026	51-200	277 contacts →
	Exact match “Resolve Marine, a global leader in vessel salvage, emergency response, compliance and specialized marine services, has served and supported clients and projects for 40 years.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	Australian Offshore Solutions PTY LTD	Exact match	Applecross, AustraliaHQ recorded Sep 20, 2026	501-1,000	273 contacts →
	Exact match “Australian Offshore Solutions Australian Offshore Solutions offers a diverse range of specialised marine services to the offshore oil and gas and construction industries.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	Global Ship Port Service	Exact match	Salvador, BrazilHQ recorded Sep 20, 2026	501-1,000	268 contacts →
	Exact match “Somos a Global Ship, uma empresa líder em operações marítimas e portuárias.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	Namdock	Exact match	Walvis Bay, NamibiaHQ recorded Sep 20, 2026	501-1,000	240 contacts →
	Exact match “Strategically situated in Walvis Bay Namibia on the western coast of Africa.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	GAP Ssma	Exact match	Goiânia, BrazilHQ recorded Sep 20, 2026	201-500	234 contacts →
	Exact match “A GAP Ambiental oferece serviços para pequenas, médias e grandes empresas em diversas áreas que vão desde o licenciamento ao acompanhamento da execução de projetos.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21	Metiri Group	Exact match	Clovis, CA, United StatesHQ recorded Sep 20, 2026	n/a	233 contacts →
	Exact match “Appl Inc is an environmental services company based out of 908 N Temperance Ave, Clovis, CA, United States.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22	Econservation Estudos E Projetos Ambientais	Exact match	Vitória, BrazilHQ recorded Sep 20, 2026	51-200	230 contacts →
	Exact match “A Econservation foi fundada com o propósito de prestação de serviços de Consultoria Especializada, com foco na harmonização dos objetivos e metas de seus clientes com o…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23	Global Diving & Salvage, INC	Exact match	Seattle, WA, United StatesHQ recorded Sep 20, 2026	201-500	217 contacts →
	Exact match “Global is a leader in the marine services industry with decades of experience managing complex, critical and technical projects in and around the water.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24	LOC	Exact match	London, United KingdomHQ recorded Sep 20, 2026	201-500	206 contacts →
	Exact match “ONE PARTNER.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25	SGA Parte DE SLR	Exact match	Santiago, ChileHQ recorded Sep 20, 2026	201-500	206 contacts →
	Exact match “SGA S.A.” Recorded in the RevenueBase company graph · Sep 20, 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 “marine environmental compliance 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 6,944 marine environmental compliance consultants worldwide

See the full list, filter by size, metro and specialty, and access 17,170 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Marine environmental compliance consultants worldwide at a glance

As of Sep 20, 2026

24.3%Verified-email coverage

10.2Average contacts per company

1-10Median size (employees)

1.3%Largest-city concentration · Singapore

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

4,375

11-50

1,959

51-200

442

201-500

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 marine environmental compliance consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “marine environmental compliance 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 17,170 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 20, 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.

Marine environmental compliance consultants by location

36 lists · largest first

Every Marine environmental compliance 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 “marine environmental compliance consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many marine environmental compliance consultants are there worldwide?

RevenueBase identified 6,944 company matches for marine environmental compliance consultants 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?

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

Which country has the most marine environmental compliance consultants?

The United States leads with 965 companies, followed by Brazil (875) and the United Kingdom (430). Every marine environmental compliance consultants list by country and city is linked on this page.

Which city has the most marine environmental compliance consultants?

Singapore leads with 92 company records, followed by Sao Paulo (84) and Rio De Janeiro (63).

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 17,170 professional contacts with verified work emails tracked across these 6,944 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 20, 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.