Company lists · Data refreshed September 2026

Top 24 Sustainable design agencies based in London, United Kingdom

Name: Sustainable design agencies based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 672 companies tracked

RevenueBase identified 672 sustainable design agencies headquartered in London, United Kingdom as of September 2026 and tracks 10,104 professional contacts across them, including 5,428 with verified work emails. London is the largest hub.

This list covers sustainable design agencies headquartered in London, 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 22, 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 22, 2026 86% judged on-target in blind review

672Companies

10,104Contacts tracked

5,428Verified emails

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The 24 largest sustainable design agencies based in London, United Kingdom

Ranked by team size

Top 24 of 672 sustainable design agencies based in London, United Kingdom, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to sustainable design agencies: 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	Foster Partners	Strong evidence	London, United KingdomHQ checked Sep 22, 2026	1,001-5,000	2,869 contacts →
	Strong evidence “Foster + Partners is a global studio for architecture, urbanism and design, all rooted in sustainability and founded by Norman Foster in 1967.” Source: RevenueBase Database · checked Sep 22, 2026
2	Sheppard Robson	Partial evidence	London, United KingdomHQ checked Sep 22, 2026	201-500	391 contacts →
	Partial evidence “Sheppard Robson is an ever-evolving collective of architects, interior designers and masterplanners.” Source: RevenueBase Database · checked Sep 22, 2026
3	Atelier TEN	Strong evidence	London, United KingdomHQ checked Sep 22, 2026	51-200	323 contacts →
	Strong evidence “As environmental design consultants, building services engineers and lighting designers, we are committed to high performance and sustainable design within the built environment.” Source: RevenueBase Database · checked Sep 22, 2026
4	HTA Design	Partial evidence	London, United KingdomHQ checked Sep 22, 2026	201-500	243 contacts →
	Partial evidence “HTA are a practice of more than 200 people, bringing together the creative talents of architects, urbanists, planners, landscape architects, interior designers, engagement and…” Source: RevenueBase Database · checked Sep 22, 2026
5	Hilson Moran	Partial evidence	London, United KingdomHQ checked Sep 22, 2026	201-500	231 contacts →
	Partial evidence “We are interdisciplinary consultants, engineers and advisors, applying progressive design thinking to shape the environments we live in.” Source: RevenueBase Database · checked Sep 22, 2026
6	MAX Fordham LLP	Strong evidence	London, United KingdomHQ checked Sep 22, 2026	201-500	208 contacts →
	Strong evidence “Max Fordham LLP is a partnership of engineers, designers and consultants, working with the built environment, to deliver a sustainable future and a thriving planet.” Source: RevenueBase Database · checked Sep 22, 2026
7	Elliott Wood	Indirect evidence	London, United KingdomHQ checked Sep 22, 2026	51-200	147 contacts →
	Indirect evidence “We believe in a bigger and better idea of engineering.” Source: RevenueBase Database · checked Sep 22, 2026
8	JDO Global	Partial evidence	London, United KingdomHQ checked Sep 22, 2026	51-200	130 contacts →
	Partial evidence “JDO’s international team of designers, brand strategists and client service consultants band together to deliver creative excellence to the world’s most loved and influential…” Source: RevenueBase Database · checked Sep 22, 2026
9	Pearlfisher	Indirect evidence	London, United KingdomHQ checked Sep 22, 2026	51-200	124 contacts →
	Indirect evidence “We create brands as living breathing experiences, from powerful identities to multi-sensorial worlds.” Source: RevenueBase Database · checked Sep 22, 2026
10	Sidara	Partial evidence	London, United KingdomHQ checked Sep 22, 2026	10001+	112 contacts →
	Partial evidence “Sidara is a global collaborative of leading specialist firms designing for people and the planet.” Source: RevenueBase Database · checked Sep 22, 2026
11	Greengage Environmental LTD	Partial evidence	London, United KingdomHQ checked Sep 22, 2026	51-200	93 contacts →
	Partial evidence “Greengage is an independent sustainability and environmental consultancy known for providing bespoke advice and working in partnership with our clients and multi-disciplinary…” Source: RevenueBase Database · checked Sep 22, 2026
12	Jestico Whiles	Partial evidence	London, United KingdomHQ checked Sep 22, 2026	51-200	92 contacts →
	Partial evidence “Jestico + Whiles is an award-winning international architecture and interior design practice based in Clerkenwell, London.” Source: RevenueBase Database · checked Sep 22, 2026
13	IYA Studio	Indirect evidence	London, United KingdomHQ checked Sep 22, 2026	n/a	88 contacts →
	Indirect evidence “We craft identities with meaning and purpose.” Source: RevenueBase Database · checked Sep 22, 2026
14	Alan Baxter LTD	Indirect evidence	London, United KingdomHQ checked Sep 22, 2026	51-200	87 contacts →
	Indirect evidence “We believe that a holistic approach creates better buildings and healthier places to live and work.” Source: RevenueBase Database · checked Sep 22, 2026
15	Xco2	Indirect evidence	London, United KingdomHQ checked Sep 22, 2026	51-200	84 contacts →
	Indirect evidence “We are a multidisciplinary group with backgrounds in engineering, architecture and environmental science, working as consultants for buildings, large developments and masterplans…” Source: RevenueBase Database · checked Sep 22, 2026
16	FLAG	Partial evidence	London, United KingdomHQ checked Sep 22, 2026	51-200	84 contacts →
	Partial evidence “We're a global sustainability agency, providing strategy, communications and reporting support to the world’s leading brands.” Source: RevenueBase Database · checked Sep 22, 2026
17	ACME	Indirect evidence	London, United KingdomHQ checked Sep 22, 2026	51-200	74 contacts →
	Indirect evidence “ACME was established in 2007 in London.” Source: RevenueBase Database · checked Sep 22, 2026
18	Bennetts Associates	Indirect evidence	London, United KingdomHQ checked Sep 22, 2026	51-200	72 contacts →
	Indirect evidence “Bennetts Associates is one of the UK’s leading architectural practices, recognised for creating elegant, human-centred buildings through an ethos of doing ‘More With Less’.” Source: RevenueBase Database · checked Sep 22, 2026
19	Architype	Indirect evidence	London, United KingdomHQ checked Sep 22, 2026	51-200	70 contacts →
	Indirect evidence “Architype Ltd is an architectural practice working from offices in Hereford, London and Edinburgh.” Source: RevenueBase Database · checked Sep 22, 2026
20	BIG Fish	Partial evidence	London, United KingdomHQ checked Sep 22, 2026	11-50	68 contacts →
	Partial evidence “We’re international brand, design and marketing consultants that have spent the three decades helping help brave decision makers start, transform and grow highly successful…” Source: RevenueBase Database · checked Sep 22, 2026
21	ECD Architects LTD	Partial evidence	London, United KingdomHQ checked Sep 22, 2026	51-200	64 contacts →
	Partial evidence “We are an award-winning architectural practice specialising in the design of low energy, low environmental impact buildings, cost effectively and to the highest quality standards.” Source: RevenueBase Database · checked Sep 22, 2026
22	Stiff Trevillion Architects	Indirect evidence	London, United KingdomHQ checked Sep 22, 2026	51-200	56 contacts →
	Indirect evidence “Stiff+Trevillion makes elegant, human-centred architecture that stands the test of time.” Source: RevenueBase Database · checked Sep 22, 2026
23	Tatehindle	Partial evidence	London, United KingdomHQ checked Sep 22, 2026	51-200	50 contacts →
	Partial evidence “We are architects and urbanists, design custodians of places where people can live, work and enjoy every shade of life in between.” Source: RevenueBase Database · checked Sep 22, 2026
24	DRMM	Partial evidence	London, United KingdomHQ checked Sep 22, 2026	11-50	47 contacts →
	Partial evidence “dRMM are radical makers of sustainable, socially useful architecture.” Source: RevenueBase Database · checked Sep 22, 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: sustainable design agencies. 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 sustainable design agencies.
Partial evidence: Its own public description names part of sustainable design agencies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name sustainable design agencies. 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 24 of 672 sustainable design agencies based in London, United Kingdom

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Sustainable design agencies based in London, United Kingdom at a glance

As of Sep 22, 2026

53.7%Verified-email coverage

15.0Average contacts per company

1-10Median size (employees)

100.0%Largest-city concentration · London

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

490

11-50

134

51-200

201-500

501-1,000

1,001-5,000

10001+

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 672 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 sustainable design agencies, 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 London, United Kingdom whose own description of what they do matches “sustainable design agencies”. 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 sustainable design agencies), 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 sustainable design agencies, and records with no verified work email. Companies headquartered outside London 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, 5,428 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 22, 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.

Sustainable design agencies by metro in the United Kingdom

Sustainable design agencies in London672
Sustainable design agencies in Manchester44
Sustainable design agencies in Bristol43
Sustainable design agencies in Glasgow36
Sustainable design agencies in Brighton25

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 sustainable design agencies, 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 sustainable design agencies are there based in London, United Kingdom?

RevenueBase identified 672 sustainable design agencies headquartered in London, 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?

Foster Partners, headquartered in London, tops this list with the largest team on record.

Which city has the most sustainable design agencies?

London leads with 672 headquartered companies, followed by Manchester (44) and Bristol (43).

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 5,428 verified decision-maker contacts tracked across these 672 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 22, 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.