Company lists · Data refreshed September 2026

Top 19 Oil and gas regulatory consultants based in Rio De Janeiro, Brazil

Name: Oil and gas regulatory consultants based in Rio De Janeiro, Brazil
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 64 companies tracked

RevenueBase identified 64 company matches for oil and gas regulatory consultants associated with Rio De Janeiro, Brazil as of September 2026 and tracks 913 professional contacts across them, including 145 with verified work emails. Across Brazil, Rio De Janeiro is the largest hub for this category.

This list covers company matches for oil and gas regulatory consultants associated with Rio De Janeiro, Brazil, 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 17, 2026.

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 17, 2026 How this list was built

64Companies

913Contacts tracked

145Verified emails

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The 19 largest oil and gas regulatory consultants based in Rio De Janeiro, Brazil

Ranked by team size

Top 19 of 64 company matches for oil and gas regulatory consultants based in Rio De Janeiro, Brazil, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	CTA Engenharia	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 17, 2026	201-500	540 contacts →
	Exact match “A CTA foi criada em 1995, em Belo Horizonte Minas Gerais, ampliando sua atividade e posicionando sua sede no estado do Rio de Janeiro em Duque de Caxias, próximo ao Pólo…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Navocean	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 17, 2026	1,001-5,000	51 contacts →
	Exact match “Environmental Consulting, Licensing & Monitoring for Seismic and Drilling Activities.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Transcontrol Offshore	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 17, 2026	51-200	35 contacts →
	Exact match “Somos uma empresa especializada em soluções completas para a indústria de óleo e gás.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Toveri Gerenciamento DE Projetos Integrados	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 17, 2026	n/a	34 contacts →
	Exact match “Somos uma consultoria especializada para a Exploração e Produção de Petróleo e Gás e outros setores no Brasil.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Tekee Engineering And Services	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 17, 2026	11-50	30 contacts →
	Exact match “TEKee offers intelligent engineering solutions with a focus on providing a high level of customer satisfaction.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Geogin	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 17, 2026	11-50	19 contacts →
	Exact match “Geogin provides software and consulting solutions for E&P companies.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Diretriz Solutions	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 17, 2026	11-50	18 contacts →
	Exact match “We are a consulting company established in 2014 specialized in the Oil & Gas Industry with a multidisciplinary team of consultants with decades of international experience in…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	DWL Ambiental	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 17, 2026	11-50	16 contacts →
	Exact match “Consultoria Ambiental Especializada \| Soluções Personalizadas para o Meio Ambiente Ajudamos empresas a cumprir normas ambientais e a alcançar a sustentabilidade através de…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Quartic Advisory	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 17, 2026	11-50	14 contacts →
	Exact match “Created in 2015 with a startup mindset, we are a team of engineers acting with the integrity and robustness of a law firm.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	CRN	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 17, 2026	11-50	13 contacts →
	Exact match “Rooted in numerical physics and design, CRN Engineering enhances engineering processes, refines concepts, and develops solutions to boost product and operation performance.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Guterres Projetos	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 17, 2026	11-50	11 contacts →
	Exact match “Criada em 1992, a Guterres Projetos oferece soluções completas e integradas em serviços de engenharia e consultoria nos setores de Óleo e Gás, Petroquímicos, Lubrificantes e…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	RIO Petroleo	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 17, 2026	11-50	6 contacts →
	Exact match “We are a consulting company specialized in the energy industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Sunrise 720 Consultoria E Engenharia	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 17, 2026	11-50	4 contacts →
	Exact match “A Sunrise 720 iniciou suas atividades em 1996 com o nome "Sunrise 720 Comércio, Importação e Exportação" comercializando produtos químicos e petroquímicos, principalmente aqueles…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	DG Ambiental	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 17, 2026	1-10	2 contacts →
	Exact match “A DG Ambiental é uma empresa do ramo de Consultoria e Assessoria Técnica Ambiental, especializada em prestação de serviços ligados a todas as etapas do Licenciamento Ambiental de…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Hive Consult	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 17, 2026	1-10	2 contacts →
	Exact match “Consultoria especializada em Conteúdo Local (ANP)” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Thome Petroleo Assessoria Empresarial	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 17, 2026	1-10	2 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	CRX Engenharia E Serviços	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 17, 2026	1-10	2 contacts →
	Exact match “A CRX é uma empresa de serviços destinados a atender demandas específicas da indústria de petróleo e gás.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Forsea Engenharia	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 17, 2026	1-10	2 contacts →
	Exact match “Petroleum engineering consultancy services” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	MGO Consultoria Tributária	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “Nossa equipe é altamente experiente e focada em avaliar e trazer as melhores soluções tributárias para o setor de óleo e gás.” Recorded in the RevenueBase company graph · Sep 17, 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 “oil and gas regulatory 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 19 of 64 oil and gas regulatory consultants based in Rio De Janeiro, Brazil

See the full list, filter by size, metro and specialty, and access 145 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Oil and gas regulatory consultants based in Rio De Janeiro, Brazil at a glance

As of Sep 17, 2026

15.9%Verified-email coverage

14.3Average contacts per company

1-10Median size (employees)

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Email recency for this list is measured across the whole Brazil list rather than for Rio De Janeiro, so it is reported there. Company counts and contact totals on this page are exact for Rio De Janeiro, over 64 companies.

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.
What qualifies: Company records associated with Rio De Janeiro, Brazil whose business descriptions match “oil and gas regulatory 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 145 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 17, 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.

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 “oil and gas regulatory consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil and gas regulatory consultants are there based in Rio De Janeiro, Brazil?

RevenueBase identified 64 company matches for oil and gas regulatory consultants associated with Rio De Janeiro, Brazil 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?

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

Which city in Brazil has the most oil and gas regulatory consultants?

Rio De Janeiro leads Brazil with 64 company records, followed by Sao Paulo (54) and Belo Horizonte (26).

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 145 professional contacts with verified work emails tracked across these 64 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 17, 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.