Company lists · Data refreshed September 2026

Top 25 Aviation emissions compliance consultants based in the United Kingdom

Name: Aviation emissions compliance consultants based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 126 companies tracked

RevenueBase identified 126 aviation emissions compliance consultants headquartered in the United Kingdom as of September 2026 and tracks 996 professional contacts across them, including 329 with verified work emails. London is the largest hub.

This list covers aviation emissions compliance consultants headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 30, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 30, 2026 86% judged on-target in blind review

126Companies

996Contacts tracked

329Verified emails

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The 25 largest aviation emissions compliance consultants based in the United Kingdom

Ranked by team size

Top 25 of 126 aviation emissions compliance consultants based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to aviation emissions compliance consultants: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	clearvue.business	Indirect evidence	Gateshead, United KingdomHQ checked Sep 30, 2026	51-200	81 contacts →
	Indirect evidence “We enable businesses to succeed in the environmental components of their ESG strategies through comprehensive net zero consulting services and ground-breaking carbon and energy…” Source: RevenueBase Database · checked Sep 30, 2026
2	Baines Simmons	Strong evidence	Bracknell, United KingdomHQ checked Sep 30, 2026	51-200	74 contacts →
	Strong evidence “Baines Simmons is a world-leading aviation safety consultancy, specialising in regulations, compliance, safety management, training, consulting and outsourcing.” Source: RevenueBase Database · checked Sep 30, 2026
3	Kinto Join Limited	Partial evidence	Epsom, United KingdomHQ checked Sep 30, 2026	51-200	61 contacts →
	Partial evidence “We help organisations understand, measure, and meaningfully reduce their environmental impact through a unique combination of expert consultancy, advanced carbon accounting…” Source: RevenueBase Database · checked Sep 30, 2026
4	Aether	Strong evidence	Oxford, United KingdomHQ checked Sep 30, 2026	11-50	45 contacts →
	Strong evidence “Aether provides consultancy in air quality and climate change emissions inventories, forecasting and policy analysis.” Source: RevenueBase Database · checked Sep 30, 2026
5	Metsims Sustainability Consulting	Partial evidence	Oxford, United KingdomHQ checked Sep 30, 2026	11-50	34 contacts →
	Partial evidence “Based in Oxford, UK and in Istanbul, Turkey, Metsims is the leading sustainability consultancy specialised in life cycle assessment (LCA), corporate and product carbon footprint…” Source: RevenueBase Database · checked Sep 30, 2026
6	Think Research	Strong evidence	Bournemouth, United KingdomHQ checked Sep 30, 2026	11-50	27 contacts →
	Strong evidence “An award-winning, global independent aviation consultancy providing expert advice on infrastructure, systems and operations.” Source: RevenueBase Database · checked Sep 30, 2026
7	Helios Aviation Consultancy	Strong evidence	Farnborough, United KingdomHQ checked Sep 30, 2026	51-200	24 contacts →
	Strong evidence “Helios is the aviation consultancy of Egis, focussing on air traffic management and airports, with a worldwide reputation for excellence and integrity.” Source: RevenueBase Database · checked Sep 30, 2026
8	Cyrrus LTD	Strong evidence	Thirsk, United KingdomHQ checked Sep 30, 2026	11-50	23 contacts →
	Strong evidence “Cyrrus is a leading international consultancy providing a range of specialist aviation support services to help airports and developers manage and overcome the varied and often…” Source: RevenueBase Database · checked Sep 30, 2026
9	Avocet	Strong evidence	London, United KingdomHQ checked Sep 30, 2026	1-10	22 contacts →
	Strong evidence “AVOCET Insurance Consultants provides specialist aviation insurance consultancy and insurance placement to the Airfinance Industry.” Source: RevenueBase Database · checked Sep 30, 2026
10	Aether Compliance LTD	Partial evidence	Harlow, United KingdomHQ checked Sep 30, 2026	11-50	16 contacts →
	Partial evidence “Our mission here at Aether Compliance is to be forward-thinking and dynamic in our approach to completing compliance across all relevant safety and clean air industry standards.” Source: RevenueBase Database · checked Sep 30, 2026
11	Edenseven	Strong evidence	London, United KingdomHQ checked Sep 30, 2026	51-200	15 contacts →
	Strong evidence “edenseven is a management consultancy firm that helps companies of all sizes achieve their sustainability goals and work towards net zero emissions.” Source: RevenueBase Database · checked Sep 30, 2026
12	AIQ Consulting	Strong evidence	Cranfield, United KingdomHQ checked Sep 30, 2026	11-50	14 contacts →
	Strong evidence “AiQ provides innovative aviation consultancy including operations, efficiency, optimisation, modelling and forecasting services.” Source: RevenueBase Database · checked Sep 30, 2026
13	Skylight Aviation	Partial evidence	London, United KingdomHQ checked Sep 30, 2026	11-50	10 contacts →
	Partial evidence “Skylight Aviation has a proven track record of successfully delivering project assignments for clients in Europe, Middle East, Asia and Australasia.” Source: RevenueBase Database · checked Sep 30, 2026
14	Green Energy Consulting	Indirect evidence	Newcastle Upon Tyne, United KingdomHQ checked Sep 30, 2026	11-50	9 contacts →
	Indirect evidence “Green Energy Consulting provides deep industry and technical knowledge, supported by rigorous financial analysis to enable its clients to achieve their unique environmental goals.” Source: RevenueBase Database · checked Sep 30, 2026
15	Aviatech	Strong evidence	Daresbury, United KingdomHQ checked Sep 30, 2026	11-50	9 contacts →
	Strong evidence “Aviatech UK - Driving Excellence in Global Aviation & Technology Company Overview: Aviatech UK is at the forefront of aviation consultancy, dedicated to delivering innovative…” Source: RevenueBase Database · checked Sep 30, 2026
16	Avia Solutions	Indirect evidence	Chobham, United KingdomHQ checked Sep 30, 2026	11-50	8 contacts →
	Indirect evidence “Delivering value to your business.” Source: RevenueBase Database · checked Sep 30, 2026
17	Aviateq International	Partial evidence	Maidenhead, United KingdomHQ checked Sep 30, 2026	1-10	8 contacts →
	Partial evidence “AviateQ provides aviation advice to its customers which include major oil operators, air operators, and airports, etc, in particular in the fields of safety management systems…” Source: RevenueBase Database · checked Sep 30, 2026
18	Airline Management Group LTD	Partial evidence	London, United KingdomHQ checked Sep 30, 2026	11-50	8 contacts →
	Partial evidence “We are Airline & Aviation transformation specialists.” Source: RevenueBase Database · checked Sep 30, 2026
19	Vayu Aviation	Partial evidence	Biggleswade, United KingdomHQ checked Sep 30, 2026	11-50	8 contacts →
	Partial evidence “Vayu Aviation Services – The Wind of Change in Aviation Vayu Aviation Services is a forward-thinking aviation solutions provider, dedicated to transforming the industry through…” Source: RevenueBase Database · checked Sep 30, 2026
20	ets.aero	Partial evidence	Manchester, United KingdomHQ checked Sep 30, 2026	1-10	8 contacts →
	Partial evidence “ETS.aero is owned and managed by a combination of highly skilled professionals from the aviation industry with many years of experience in senior management positions in both IT…” Source: RevenueBase Database · checked Sep 30, 2026
21	Sirius Aviation LTD	Partial evidence	London, United KingdomHQ checked Sep 30, 2026	1-10	8 contacts →
	Partial evidence “Sirius Aviation provides clients in the aviation industry the services and solutions they need to manage operational risk within their business.” Source: RevenueBase Database · checked Sep 30, 2026
22	FCC Aviation	Strong evidence	Edinburgh, United KingdomHQ checked Sep 30, 2026	11-50	7 contacts →
	Strong evidence “We are a multilingual team of regulatory compliance specialists with more than 10 years of experience and an unmatched level of expertise in compliance with aviation tax and…” Source: RevenueBase Database · checked Sep 30, 2026
23	Auditel Analytics	Indirect evidence	Cardiff, United KingdomHQ checked Sep 30, 2026	1-10	6 contacts →
	Indirect evidence “Shaping a Sustainable Future, Together.” Source: RevenueBase Database · checked Sep 30, 2026
24	Carbon-Zero	Strong evidence	Aberdeen, United KingdomHQ checked Sep 30, 2026	11-50	5 contacts →
	Strong evidence “Carbon-Zero are an experienced energy and carbon emissions consultancy, with assessors across the UK, who support clients both internationally and across the UK in improving their…” Source: RevenueBase Database · checked Sep 30, 2026
25	Shift Environment	Indirect evidence	Stroud, United KingdomHQ checked Sep 30, 2026	1-10	5 contacts →
	Indirect evidence “We take pride in the fact that our experience and independence means we offer unbiased and reliable advice.” Source: RevenueBase Database · checked Sep 30, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: aviation emissions compliance consultants. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names aviation emissions compliance consultants.
Partial evidence: Its own public description names part of aviation emissions compliance consultants, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name aviation emissions compliance consultants. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 126 aviation emissions compliance consultants based in the United Kingdom

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Aviation emissions compliance consultants based in the United Kingdom at a glance

As of Sep 30, 2026

33.0%Verified-email coverage

7.9Average contacts per company

1-10Median size (employees)

24.6%Largest-city concentration · London

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 126 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among aviation emissions compliance consultants, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United Kingdom whose own description of what they do matches “aviation emissions compliance consultants”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names aviation emissions compliance consultants), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among aviation emissions compliance consultants, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 329 across the full list. 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 30, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Aviation emissions compliance consultants by metro

Aviation emissions compliance consultants in London31

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names aviation emissions compliance consultants, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many aviation emissions compliance consultants are there based in the United Kingdom?

RevenueBase identified 126 aviation emissions compliance consultants headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

clearvue.business, headquartered in Gateshead, tops this list with the largest team on record.

Which city has the most aviation emissions compliance consultants?

London leads with 31 headquartered companies, followed by Edinburgh (4) and Manchester (4).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 329 verified decision-maker contacts tracked across these 126 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 30, 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 Smart Search, 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.