Company lists · Data refreshed October 2026

Top 11 Oil and gas due diligence consultants based in London, United Kingdom

RevenueBase identified 42 company matches for oil and gas due diligence consultants associated with London, United Kingdom as of October 2026 and tracks 516 professional contacts across them, including 114 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for oil and gas due diligence consultants associated with London, United Kingdom, 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 October 19, 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 Oct 19, 2026 How this list was built
42Companies
516Contacts tracked
114Verified emails
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The 11 largest oil and gas due diligence consultants based in London, United Kingdom

Ranked by team size
Top 11 of 42 company matches for oil and gas due diligence consultants based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 19, 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 matchLondon, United KingdomHQ recorded Oct 19, 202651-20011 contacts →

Exact match

“FGE is a preeminent global oil and gas consultancy which provides leading independent research, analysis, consultation, and advisory services to a large and diverse client base…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Oct 19, 202611-5010 contacts →

Exact match

“Epeus provides niche consulting services to the Energy Industry.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Oct 19, 20261-109 contacts →

Exact match

“Acrometis is a consultancy formed by senior oil and gas industry professionals, which helps energy companies improve the sustainable performance of their assets by enhancing…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Oct 19, 20261-107 contacts →

Exact match

“The firm is engaged with a number of oil and exploration companies, across Africa and other regions, with high level mandates in transaction support and exploration campaigns.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Oct 19, 20261-103 contacts →

Exact match

“Consulting services to industry.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Oct 19, 202651-2003 contacts →

Exact match

“OPC is a global technical services consultancy providing subsurface engineering & geoscience expertise to NOC’s, IOC’s & Independents in the oil and gas exploration and production…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Oct 19, 20261-103 contacts →

Exact match

“We are an independent oil and gas consultancy, who offers business development services for European market.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Oct 19, 202611-502 contacts →

Exact match

“4D conducts due diligence services into technology, products, sales, and companies on behalf of our clients.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Oct 19, 20261-102 contacts →

Exact match

“Carsten and Jon are ex Senergy / LR Senergy / Lloyd’s Register commercial and subsurface consultants and now founding partners of BorchWix Energy Advisors Limited (“BWEA”).”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Oct 19, 202651-2002 contacts →

Exact match

“As a global leader in energy consulting, ERCE is committed to supporting oil & gas, new energy types and efforts to decarbonise and reduce GHG emissions.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Oct 19, 202611-502 contacts →

Exact match

“We are Opus Oil and Gas.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase

Showing 11 of 42 oil and gas due diligence consultants based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 114 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Oil and gas due diligence consultants based in London, United Kingdom at a glance

As of Oct 19, 2026
22.1%Verified-email coverage
12.3Average contacts per company
1-10Median size (employees)
Oct 19, 2026Page data refreshed

Companies by employee count

1-10
29
11-50
8
51-200
3
501-1,000
1
1,001-5,000
1

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 42 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 London, United Kingdom whose business descriptions match “oil and gas due diligence 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 114 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 October 19, 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 due diligence consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil and gas due diligence consultants are there based in London, United Kingdom?

RevenueBase identified 42 company matches for oil and gas due diligence consultants associated with London, United Kingdom as of October 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?

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

Which city in the United Kingdom has the most oil and gas due diligence consultants?

London leads the United Kingdom with 42 company records, followed by Aberdeen (18) and Camberley (4).

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 114 professional contacts with verified work emails tracked across these 42 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 October 19, 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.