Company lists · Data refreshed September 2026

Top 25 Historic preservation consulting firms based in London, United Kingdom

Name: Historic preservation consulting firms based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 61 companies tracked

RevenueBase identified 61 historic preservation consulting firms headquartered in London, United Kingdom as of September 2026 and tracks 704 professional contacts across them, including 251 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers historic preservation consulting firms 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 28, 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 28, 2026 86% judged on-target in blind review

61Companies

704Contacts tracked

251Verified emails

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The 25 largest historic preservation consulting firms based in London, United Kingdom

Ranked by team size

Top 25 of 61 historic preservation consulting firms based in London, United Kingdom, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to historic preservation consulting firms: 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	Pre-Construct Archaeology Limited	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	165 contacts →
	Indirect evidence “Over the last 30+ years, Pre-Construct Archaeology (PCA) has become one of the largest archaeological practices in the UK, able to undertake projects of all sizes and complexity…” Source: RevenueBase Database · checked Sep 28, 2026
2	Feilden Mawson	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	51-200	53 contacts →
	Indirect evidence “Welcome to Feilden+Mawson.” Source: RevenueBase Database · checked Sep 28, 2026
3	Rosewood LTD	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	18 contacts →
	Partial evidence “For over 25 years Rosewood Ltd have successfully been restoring and conserving some of London’s most historic and prestigious buildings.” Source: RevenueBase Database · checked Sep 28, 2026
4	Hall Conservation LTD	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	17 contacts →
	Indirect evidence “Hall Conservation is one of the country’s leading restoration and conservation companies.” Source: RevenueBase Database · checked Sep 28, 2026
5	Wolff Architects LTD	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	16 contacts →
	Indirect evidence “Wolff Architects are a design lead architectural practice located in Notting Hill, West London.” Source: RevenueBase Database · checked Sep 28, 2026
6	Hare & Humphreys	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	16 contacts →
	Partial evidence “Founded in 1987, Hare & Humphreys has evolved into one of Britain’s leading specialists in the painting, gilding, conservation and decoration of historic buildings.” Source: RevenueBase Database · checked Sep 28, 2026
7	Heritage Architecture LTD	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	14 contacts →
	Indirect evidence “Stephen Levrant Heritage Architecture is the continuation of a specialist practice originally founded in 1948, we carry out selective conservation projects to the highest…” Source: RevenueBase Database · checked Sep 28, 2026
8	Triton Restoration	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	14 contacts →
	Partial evidence “Established in 1989, Triton Restoration Limited is a leading restoration contractor specialising in external façade restoration, and refurbishment of historic and architecturally…” Source: RevenueBase Database · checked Sep 28, 2026
9	Fullers Builders Limited	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	14 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
10	The Townscape Consultancy	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	14 contacts →
	Indirect evidence “We are a townscape and heritage consultancy formed by leading professionals in the field, building on the experience of Peter Stewart Consultancy, which was acquired by The…” Source: RevenueBase Database · checked Sep 28, 2026
11	Brooks Murray Architects	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	13 contacts →
	Indirect evidence “Brooks Murray Architects is an architecture & planning company based in Shoreditch, London.” Source: RevenueBase Database · checked Sep 28, 2026
12	Giles Quarme Architects	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	11 contacts →
	Partial evidence “Giles Quarme Architects is a London-based architectural practice that specialises in all aspects of work relating to historic buildings: surveying and historical research; repair…” Source: RevenueBase Database · checked Sep 28, 2026
13	Julian Harrap Architects LLP	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	9 contacts →
	Partial evidence “Julian Harrap Architects is a distinguished medium-sized practice offering a full range of specialist architectural services for the repair and restoration of historic buildings…” Source: RevenueBase Database · checked Sep 28, 2026
14	Thomas Ford And Partners	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	7 contacts →
	Partial evidence “Thomas Ford & Partners is an architectural practice specialising in conservation and new architecture in the historic environment.” Source: RevenueBase Database · checked Sep 28, 2026
15	Richard Griffiths Architects	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	7 contacts →
	Partial evidence “Richard Griffiths Architects are a London based practice with an established reputation for work of the highest quality in the repair of historic buildings, and in the design of…” Source: RevenueBase Database · checked Sep 28, 2026
16	Janus Conservation LTD	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	7 contacts →
	Partial evidence “Janus Conservation Ltd is a specialist historic building surveying and heritage planning consultancy, with offices in Thame, Oxfordshire, Bloomsbury, London and Epping, Essex.” Source: RevenueBase Database · checked Sep 28, 2026
17	Roger Mears Architects LLP	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	6 contacts →
	Indirect evidence “Roger Mears Architects LLP is an architectural firm specialising in Conservation.” Source: RevenueBase Database · checked Sep 28, 2026
18	Mowat & Company LTD	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	5 contacts →
	Indirect evidence “We are architects specialising in imaginatively adapting and sustaining old places.” Source: RevenueBase Database · checked Sep 28, 2026
19	IAN Chalk Architects	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	5 contacts →
	Indirect evidence “Ian Chalk Architects works with private and public clients, community groups and individuals to give existing structures renewed purpose and introduce new buildings to challenging…” Source: RevenueBase Database · checked Sep 28, 2026
20	The Built Heritage Consultancy LTD	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	4 contacts →
	Partial evidence “We advise on the conservation and development of all kinds of heritage asset, including listed buildings, conservation areas, scheduled monuments and historic landscapes.” Source: RevenueBase Database · checked Sep 28, 2026
21	Marcus Beale Architects LTD	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	11-50	4 contacts →
	Indirect evidence “Marcus Beale Architects deliver successful and imaginative solutions for sensitive buildings and sites, applying principles of conservation, sustainability and listening to create…” Source: RevenueBase Database · checked Sep 28, 2026
22	London Stone Conservation	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	4 contacts →
	Partial evidence “Since 2003, London Stone Conservation has been preserving and enriching London’s historic buildings, monuments, and public spaces.” Source: RevenueBase Database · checked Sep 28, 2026
23	Agenda 21 Architects Studio	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	3 contacts →
	Indirect evidence “Development appraisal Right from the outset, we work closely with our clients to identify the most optimum development scenarios, considering their aims, aspired outcomes, and…” Source: RevenueBase Database · checked Sep 28, 2026
24	West Scott Architects	Indirect evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	3 contacts →
	Indirect evidence “Established in 1986, West Scott Architects has built a strong reputation for the practical delivery of imaginative designs.” Source: RevenueBase Database · checked Sep 28, 2026
25	Barkers Heritage	Partial evidence	London, United KingdomHQ checked Sep 28, 2026	1-10	2 contacts →
	Partial evidence “Barkers Heritage is a period facade restoration company dedicated to preserving the architectural heritage of historic buildings.” Source: RevenueBase Database · checked Sep 28, 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: historic preservation consulting firms. 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 historic preservation consulting firms.
Partial evidence: Its own public description names part of historic preservation consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name historic preservation consulting firms. 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 61 historic preservation consulting firms based in London, United Kingdom

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Historic preservation consulting firms based in London, United Kingdom at a glance

As of Sep 28, 2026

35.7%Verified-email coverage

11.5Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

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 61 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 historic preservation consulting firms, 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 “historic preservation consulting firms”. 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 historic preservation consulting firms), 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 historic preservation consulting firms, 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, 251 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 28, 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 historic preservation consulting firms, 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 historic preservation consulting firms are there based in London, United Kingdom?

RevenueBase identified 61 historic preservation consulting firms 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?

Pre-Construct Archaeology Limited, headquartered in London, tops this list with the largest team on record.

Which city in the United Kingdom has the most historic preservation consulting firms?

London leads the United Kingdom with 61 headquartered companies, followed by Edinburgh (12) and Oxford (7).

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 251 verified decision-maker contacts tracked across these 61 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 28, 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.