Company lists · Data refreshed September 2026

Top 25 Architectural technology companies based in London, United Kingdom

Name: Architectural technology companies based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 80 companies tracked

RevenueBase identified 80 architectural technology companies headquartered in London, United Kingdom as of September 2026 and tracks 853 professional contacts across them, including 291 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers architectural technology companies 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 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

80Companies

853Contacts tracked

291Verified emails

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The 25 largest architectural technology companies based in London, United Kingdom

Ranked by team size

Top 25 of 80 architectural technology companies based in London, United Kingdom, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to architectural technology companies: 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	Reds10	Indirect evidence	London, United KingdomHQ checked Sep 30, 2026	201-500	256 contacts →
	Indirect evidence “At Reds10, we are redefining construction for the modern world.” Source: RevenueBase Database · checked Sep 30, 2026
2	Delatim LTD	Indirect evidence	London, United KingdomHQ checked Sep 30, 2026	51-200	62 contacts →
	Indirect evidence “Delatim is a construction and building services company providing design, installation and maintenance solutions for our clients.” Source: RevenueBase Database · checked Sep 30, 2026
3	GMJ	Partial evidence	London, United KingdomHQ checked Sep 30, 2026	11-50	59 contacts →
	Partial evidence “GMJ was founded in 1990 with a vision to reinvent the grand tradition of architectural illustration and model-making for the 21st century by pushing the boundaries of digital…” Source: RevenueBase Database · checked Sep 30, 2026
4	Hanover Building Services	Indirect evidence	London, United KingdomHQ checked Sep 30, 2026	51-200	34 contacts →
	Indirect evidence “Hanover is an award-winning building services provider that specialises in electrical, mechanical, plumbing, heating and renewable energy installations.” Source: RevenueBase Database · checked Sep 30, 2026
5	Phoenix ME	Indirect evidence	London, United KingdomHQ checked Sep 30, 2026	501-1,000	33 contacts →
	Indirect evidence “We stand as a well-established industry leader, specialising in the design, installation, and commissioning of mechanical and electrical systems across diverse sectors.” Source: RevenueBase Database · checked Sep 30, 2026
6	Condition Environment Services Limited	Indirect evidence	London, United KingdomHQ checked Sep 30, 2026	51-200	26 contacts →
	Indirect evidence “At Condition Environment Services Limited, we lead the way in mechanical building services.” Source: RevenueBase Database · checked Sep 30, 2026
7	ONE MEP	Indirect evidence	London, United KingdomHQ checked Sep 30, 2026	11-50	21 contacts →
	Indirect evidence “At ONE MEP, we deliver professional, reliable, and high-quality MEP solutions across London and surrounding areas.” Source: RevenueBase Database · checked Sep 30, 2026
8	Archer Humphryes Architects	Indirect evidence	London, United KingdomHQ checked Sep 30, 2026	11-50	14 contacts →
	Indirect evidence “Archer Humphryes Architects is a Design company located in London, United Kingdom.” Source: RevenueBase Database · checked Sep 30, 2026
9	Pure Design Group	Partial evidence	London, United KingdomHQ checked Sep 30, 2026	11-50	13 contacts →
	Partial evidence “Our core services include Architectural Design, Detail & Build, Technical Drawing, Interior Design, Design Management and Due Diligence.” Source: RevenueBase Database · checked Sep 30, 2026
10	S&g Hvac Mechanical Specialists	Indirect evidence	London, United KingdomHQ checked Sep 30, 2026	11-50	13 contacts →
	Indirect evidence “S&G are a Mechanical Contractor with offices in London, Wales and the Midlands.” Source: RevenueBase Database · checked Sep 30, 2026
11	Celsius Solutions LTD	Indirect evidence	London, United KingdomHQ checked Sep 30, 2026	11-50	9 contacts →
	Indirect evidence “Celsius Solutions Ltd delivers projects throughout London, the South East and the UK with our unequalled Design and Build service for the HVAC sector.” Source: RevenueBase Database · checked Sep 30, 2026
12	Scenario Architecture LTD	Partial evidence	London, United KingdomHQ checked Sep 30, 2026	1-10	8 contacts →
	Partial evidence “We are an established boutique architecture studio focused on the residential sector.” Source: RevenueBase Database · checked Sep 30, 2026
13	Udex Architecture	Partial evidence	London, United KingdomHQ checked Sep 30, 2026	1-10	7 contacts →
	Partial evidence “Udex: Unique Design Experience Architecture and interior designs by adopting artificial intelligence techniques to optimise the time and the money spent on the projects as well as…” Source: RevenueBase Database · checked Sep 30, 2026
14	Atmosair Limited	Indirect evidence	London, United KingdomHQ checked Sep 30, 2026	1-10	6 contacts →
	Indirect evidence “Providing our Clients with every aspect of Mechanical services from design concept to completion on time with professionalism.” Source: RevenueBase Database · checked Sep 30, 2026
15	TH Electrical & Mechanical LTD	Indirect evidence	London, United KingdomHQ checked Sep 30, 2026	11-50	6 contacts →
	Indirect evidence “TH ELECTRICAL & MECHANICAL LTD is a construction company based in London and operating throughout London and the South East, delivering the full range of mechanical, electrical &…” Source: RevenueBase Database · checked Sep 30, 2026
16	Racsel Building Services LTD	Indirect evidence	London, United KingdomHQ checked Sep 30, 2026	11-50	5 contacts →
	Indirect evidence “With over 50 years’ experience within the industry Racsel Building Services Limited specialize in Design, Installation, Maintenance and Servicing of heating, ventilation, cooling…” Source: RevenueBase Database · checked Sep 30, 2026
17	Detailed Planning LTD - Architects	Strong evidence	London, United KingdomHQ checked Sep 30, 2026	1-10	4 contacts →
	Strong evidence “We're a dynamic practice of Chartered Architectural Technologists, taking on the planning and pre construction design phases with a fresh approach.” Source: RevenueBase Database · checked Sep 30, 2026
18	LBF Architects LTD	Indirect evidence	London, United KingdomHQ checked Sep 30, 2026	1-10	3 contacts →
	Indirect evidence “LBF ARCHITECTS LIMITED is a design company based out of 11 Dod St, London, United Kingdom.” Source: RevenueBase Database · checked Sep 30, 2026
19	Millharbour Group LTD	Indirect evidence	London, United KingdomHQ checked Sep 30, 2026	11-50	3 contacts →
	Indirect evidence “As an end-to-end service provider we are able to help you with all your mechanical, electrical and plumbing needs; specialist services such as fire protection or energy centres…” Source: RevenueBase Database · checked Sep 30, 2026
20	Quadrant Building Services	Indirect evidence	London, United KingdomHQ checked Sep 30, 2026	11-50	2 contacts →
	Indirect evidence “At Quadrant Building Services Limited we pride ourselves on our technical expertise in engineering services enabling us to undertake a wide array of projects from minor plant…” Source: RevenueBase Database · checked Sep 30, 2026
21	Kenmar Cooling Limited	Indirect evidence	London, United KingdomHQ checked Sep 30, 2026	1-10	2 contacts →
	Indirect evidence “KENMAR COOLING LIMITED is a construction company based out of 171-173 GRAY'S INN ROAD, LONDON, United Kingdom.” Source: RevenueBase Database · checked Sep 30, 2026
22	Notbim	Partial evidence	London, United KingdomHQ checked Sep 30, 2026	1-10	2 contacts →
	Partial evidence “We believe that the key to the delivery of a successful building project is the use of digital technology and open communication.” Source: RevenueBase Database · checked Sep 30, 2026
23	Artificial Kreativity	Strong evidence	London, United KingdomHQ checked Sep 30, 2026	1-10	2 contacts →
	Strong evidence “Artificial Kreativity is a design-led architecture studio merging technology, art and architecture to create unique designs that aim to advance society.” Source: RevenueBase Database · checked Sep 30, 2026
24	RH MEP LTD	Indirect evidence	London, United KingdomHQ checked Sep 30, 2026	11-50	1 contacts →
	Indirect evidence “RH MEP is a leading commercial mechanical, electrical, and plumbing service provider.” Source: RevenueBase Database · checked Sep 30, 2026
25	Lbmvarchitects	Strong evidence	London, United KingdomHQ checked Sep 30, 2026	1-10	1 contacts →
	Strong evidence “At LBMV Architects, unique architectural design meets with the most advanced technology to provide a combination of distinctive aesthetic elegance, utility and comfort.” 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: architectural technology companies. 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 architectural technology companies.
Partial evidence: Its own public description names part of architectural technology companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name architectural technology companies. 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 80 architectural technology companies based in London, United Kingdom

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Architectural technology companies based in London, United Kingdom at a glance

As of Sep 30, 2026

34.1%Verified-email coverage

10.7Average contacts per company

1-10Median size (employees)

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 80 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 architectural technology companies, 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 “architectural technology companies”. 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 architectural technology companies), 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 architectural technology companies, 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, 291 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.

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 architectural technology companies, 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 architectural technology companies are there based in London, United Kingdom?

RevenueBase identified 80 architectural technology companies 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?

Reds10, headquartered in London, tops this list with the largest team on record.

Which city in the United Kingdom has the most architectural technology companies?

London leads the United Kingdom with 80 headquartered companies, followed by Manchester (18) and Birmingham (12).

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 291 verified decision-maker contacts tracked across these 80 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.