Company lists · Data refreshed September 2026

Top 25 Architectural conservation companies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 6,030 companies tracked

RevenueBase identified 6,030 company matches for architectural conservation companies worldwide as of September 2026 and tracks 34,189 professional contacts across them, including 10,302 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for architectural conservation companies 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 companies 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

6,030Companies

34,189Contacts tracked

10,302Verified emails

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The 25 largest architectural conservation companies worldwide

Ranked by team size

Top 25 of 6,030 company matches for architectural conservation companies 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	Renotec NV	Exact match	Geel, BelgiumHQ recorded Sep 30, 2026	501-1,000	342 contacts →
	Exact match “Renotec is een gespecialiseerde hoofdaannemer die zich focust op energetische renovatie- en restauratiewerken en geeft zo gebouwen, monumenten, kunstwerken en ondergrondse…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2	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
3	Stuart Dean Company	Exact match	New York, NY, United StatesHQ recorded Sep 30, 2026	201-500	230 contacts →
	Exact match “Stuart Dean is an international provider of renowned architectural restoration services, specializing in metal refinishing; stone polishing, cleaning and sealing; wood…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4	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
5	ÉVEHA	Exact match	Limoges, FranceHQ recorded Sep 30, 2026	201-500	209 contacts →
	Exact match “La société Éveha, bureau d'études et de valorisations archéologiques, est le principal opérateur privé en archéologie préventive.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6	Histoire & Patrimoine	Exact match	Paris, FranceHQ recorded Sep 30, 2026	51-200	198 contacts →
	Exact match “Le Groupe Histoire & Patrimoine, filiale du Groupe Altarea, est l’opérateur de référence de l’immobilier patrimonial.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7	Beyer Blinder Belle	Exact match	New York, NY, United StatesHQ recorded Sep 30, 2026	51-200	198 contacts →
	Exact match “Founded in 1968, Beyer Blinder Belle Architects is an award-winning architecture, planning, and interiors with offices in New York City, Washington DC, Boston, and Miami.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8	Berglund Construction	Exact match	Chicago, IL, United StatesHQ recorded Sep 30, 2026	201-500	196 contacts →
	Exact match “Berglund Construction is celebrating 115 years in business.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9	Lefèvre	Exact match	Gennevilliers, FranceHQ recorded Sep 30, 2026	201-500	182 contacts →
	Exact match “Lefèvre est une entreprise qui a vu le jour en 1944 pour répondre aux besoins de reconstruction et de restauration du patrimoine architectural français.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10	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
11	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
12	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
13	Marmol Radziner	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 30, 2026	51-200	144 contacts →
	Exact match “Established in 1989, Marmol Radziner is an award-winning Los Angeles-based design-build architecture and construction firm that integrates architectural design with a full range…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14	City & Country	Exact match	Stansted, United KingdomHQ recorded Sep 30, 2026	51-200	139 contacts →
	Exact match “City & Country is a family owned business, founded in 1962, which typically operates in the South and prime markets around key cities.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15	H. Chevalier	Exact match	Suresnes, FranceHQ recorded Sep 30, 2026	201-500	133 contacts →
	Exact match “H.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16	St-Denis Thompson	Exact match	Montreal, QC, CanadaHQ recorded Sep 30, 2026	201-500	118 contacts →
	Exact match “St-Denis Thompson est reconnue pour son expertise en restauration de bâtiments et en réfection de structures de maçonnerie de pierres et de brique ou de béton.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17	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
18	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
19	HLZAE	Exact match	New York, NY, United StatesHQ recorded Sep 30, 2026	51-200	105 contacts →
	Exact match “Buildings are our passion, new and old, inside and out.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20	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
21	Aagroup Architectes	Exact match	Lyon, FranceHQ recorded Sep 30, 2026	51-200	101 contacts →
	Exact match “Associer la force d’un groupe national à un ancrage territorial Il y a 15 ans, Philippe Canivet et Bruno Masson avaient la conviction que la croissance maîtrisée d’une agence…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22	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
23	Building Restoration Corporation	Exact match	St. Paul, United StatesHQ recorded Sep 30, 2026	51-200	100 contacts →
	Exact match “Building Restoration Corporation (BRC) is the Midwest’s premier restoration contractor, helping owners and property managers extend the life of their buildings with craftsmanship…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24	Concrepoxi Engenharia Ltda	Exact match	BrazilHQ recorded Sep 30, 2026	201-500	100 contacts →
	Exact match “Nossas obras nunca são lugar comum.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25	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

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 companies”. 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 6,030 architectural conservation companies worldwide

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Architectural conservation companies worldwide at a glance

As of Sep 30, 2026

30.1%Verified-email coverage

5.7Average contacts per company

1-10Median size (employees)

2.0%Largest-city concentration · London

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

3,935

11-50

1,597

51-200

330

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 companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “architectural conservation companies” 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 10,302 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 companies by location

23 lists · largest first

Every Architectural conservation companies 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 companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many architectural conservation companies are there worldwide?

RevenueBase identified 6,030 company matches for architectural conservation companies 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?

Renotec NV tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most architectural conservation companies?

The United States leads with 1,070 companies, followed by the United Kingdom (711) and France (476). Every architectural conservation companies list by country and city is linked on this page.

Which city has the most architectural conservation companies?

London leads with 122 company records, followed by New York (105) and Paris (86).

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 10,302 professional contacts with verified work emails tracked across these 6,030 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.