Company lists · Data refreshed September 2026

Top 25 Architectural conservation consultants worldwide

Name: Architectural conservation consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 3,883 companies tracked

RevenueBase identified 3,883 company matches for architectural conservation consultants worldwide as of September 2026 and tracks 23,327 professional contacts across them, including 7,732 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for architectural conservation consultants worldwide, 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 September 30, 2026. Country and city lists for architectural conservation consultants follow the table.

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 Sep 30, 2026 How this list was built

3,883Companies

23,327Contacts tracked

7,732Verified emails

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The 25 largest architectural conservation consultants worldwide

Ranked by team size

Top 25 of 3,883 company matches for architectural conservation consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 30, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Bulley & Andrews	Exact match	Chicago, IL, United StatesHQ recorded Sep 30, 2026	201-500	326 contacts →
	Exact match “It’s not just what we build, but why.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2	Mola Museum Of London Archaeology	Exact match	London, United KingdomHQ recorded Sep 30, 2026	201-500	264 contacts →
	Exact match “We are an innovative archaeology and built heritage practice with 50 years of experience in the sector.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3	Quinn Evans	Exact match	Washington, DC, United StatesHQ recorded Sep 30, 2026	51-200	225 contacts →
	Exact match “Creators of vital places.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4	Archimid Architects	Exact match	Cairo, EgyptHQ recorded Sep 30, 2026	201-500	180 contacts →
	Exact match “Architectural Consultant with 30 years experience.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5	NEW South Associates, INC	Exact match	Stone Mountain, GA, United StatesHQ recorded Sep 30, 2026	51-200	171 contacts →
	Exact match “New South Associates is a women-owned small business providing cultural resource management services, both nationally and internationally.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6	Headland Archaeology UK LTD	Exact match	Edinburgh, United KingdomHQ recorded Sep 30, 2026	51-200	167 contacts →
	Exact match “Headland Archaeology is a leading independent company providing heritage consultancy and archaeological contracting services to a wide spectrum of clients within the development…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7	Pre-Construct Archaeology Limited	Exact match	London, United KingdomHQ recorded Sep 30, 2026	51-200	165 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8	Barker Langham	Exact match	London, United KingdomHQ recorded Sep 30, 2026	n/a	160 contacts →
	Exact match “Barker Langham is a leading cultural consultancy, specialising in the visioning, strategic planning and development of cultural heritage projects in Europe, the Middle East…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9	Evergreene Architectural Arts, INC	Exact match	Brooklyn, NY, United StatesHQ recorded Sep 30, 2026	201-500	147 contacts →
	Exact match “Since 1978 EverGreene Architectural Arts has been providing pre-construction, construction and new design services for some of the world's most memorable buildings.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10	Barr & Barr, INC	Exact match	New York, NY, United StatesHQ recorded Sep 30, 2026	201-500	144 contacts →
	Exact match “Today Barr & Barr is one of the nation's elite construction companies, recognized by Engineering News Record as one of the nation’s top Construction Managers.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11	Biosis PTY LTD	Exact match	Melbourne, AustraliaHQ recorded Sep 30, 2026	51-200	136 contacts →
	Exact match “Biosis is a team of qualified and professional consultants, experienced in and passionate about ecology and cultural heritage.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12	RAAP	Exact match	Weesp, NetherlandsHQ recorded Sep 30, 2026	51-200	126 contacts →
	Exact match “RAAP is een onafhankelijk onderzoeks- en adviesbureau voor archeologie, cultuurhistorie en erfgoedzorg.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13	Mankuk Consulting & Services S.A	Exact match	Santiago, ChileHQ recorded Sep 30, 2026	201-500	114 contacts →
	Exact match “MANKUK Consulting & Services es una consultora especializada en asesoría ambiental y en la obtención y tramitación de permisos para proyectos de inversión, con destacado…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14	ASI Providing Archaeological & Cultural Heritage Services	Exact match	Toronto, ON, CanadaHQ recorded Sep 30, 2026	51-200	110 contacts →
	Exact match “ASI is the largest archaeological and cultural heritage consulting firm in Ontario with over thirty years experience in the production and dissemination of knowledge concerning…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15	KALAM	Exact match	Madrid, SpainHQ recorded Sep 30, 2026	501-1,000	109 contacts →
	Exact match “KALAM is one of the most specialized and recognized companies for our work in historic preservation and building rehabilitation.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16	ERA Architects INC	Exact match	Toronto, ON, CanadaHQ recorded Sep 30, 2026	51-200	103 contacts →
	Exact match “ERA Architects Inc.(ERA) is an award-winning architecture and planning firm focused on conservation through reactivation.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17	Klein & Hoffman	Exact match	Chicago, IL, United StatesHQ recorded Sep 30, 2026	51-200	100 contacts →
	Exact match “At Klein & Hoffman, we work collaboratively to deliver value-driven architectural restoration and structural engineering solutions.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18	Cultural Resource Analysts, INC	Exact match	Lexington, KY, United StatesHQ recorded Sep 30, 2026	51-200	97 contacts →
	Exact match “For four decades, CRA has been recognized as one of the most respected, full-service cultural resource consulting firms in the United States.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19	Extent Heritage	Exact match	Pyrmont, AustraliaHQ recorded Sep 30, 2026	51-200	94 contacts →
	Exact match “Extent Heritage is a leader in heritage and archaeological consulting, providing heritage advice to Australia and the Asia Pacific region for more than two decades.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20	Superstructures Engineers Architects	Exact match	New York, NY, United StatesHQ recorded Sep 30, 2026	51-200	94 contacts →
	Exact match “SUPERSTRUCTURES Engineers + Architects is dedicated to preservation of buildings and infrastructure.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21	Evoq Architecture	Exact match	Montréal, QC, CanadaHQ recorded Sep 30, 2026	51-200	91 contacts →
	Exact match “EVOQ est un cabinet d’architecture primé, reconnu pour ses interventions de qualité et ses solutions en matière de conception adaptées au site.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22	Szerelmey	Exact match	London, United KingdomHQ recorded Sep 30, 2026	51-200	91 contacts →
	Exact match “Szerelmey was founded in 1855 and is one of the oldest established restoration and new build specialist contractors.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23	Buttress	Exact match	Manchester, United KingdomHQ recorded Sep 30, 2026	51-200	89 contacts →
	Exact match “Buttress provides architecture, heritage and masterplanning to clients across the country.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24	Bowman Riley, Architects, Building Consultants, Interiors	Exact match	Leeds, United KingdomHQ recorded Sep 30, 2026	51-200	84 contacts →
	Exact match “Bowman Riley is an award-winning team of #architects,#buildingconsultants,#heritage specialists and #interiordesigners working across the UK from offices in #Leeds,#London and…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25	Glavé & Holmes Architecture	Exact match	Richmond, VA, United StatesHQ recorded Sep 30, 2026	51-200	81 contacts →
	Exact match “A nationally recognized architecture, interior design, preservation, and planning firm, Glavé & Holmes Architecture has served clients across the United States for six decades.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “architectural conservation consultants”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 3,883 architectural conservation consultants worldwide

See the full list, filter by size, metro and specialty, and access 7,732 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Architectural conservation consultants worldwide at a glance

As of Sep 30, 2026

33.1%Verified-email coverage

6.0Average contacts per company

1-10Median size (employees)

2.4%Largest-city concentration · London

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

2,653

11-50

941

51-200

193

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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.
Coverage: Every country. Country and city lists for architectural conservation consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “architectural conservation 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. 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 7,732 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 September 30, 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.

Architectural conservation consultants by location

21 lists · largest first

Every Architectural conservation consultants list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “architectural conservation consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many architectural conservation consultants are there worldwide?

RevenueBase identified 3,883 company matches for architectural conservation consultants worldwide as of September 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?

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

Which country has the most architectural conservation consultants?

The United States leads with 584 companies, followed by the United Kingdom (580) and France (282). Every architectural conservation consultants list by country and city is linked on this page.

Which city has the most architectural conservation consultants?

London leads with 93 company records, followed by New York (59) and Paris (54).

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 7,732 professional contacts with verified work emails tracked across these 3,883 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 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 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.