Company lists · Data refreshed September 2026

Top 25 Architectural conservation firms worldwide

RevenueBase identified 24,042 company matches for architectural conservation firms worldwide as of September 2026 and tracks 133,988 professional contacts across them, including 40,303 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for architectural conservation firms 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 firms 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
24,042Companies
133,988Contacts tracked
40,303Verified emails
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The 25 largest architectural conservation firms worldwide

Ranked by team size
Top 25 of 24,042 company matches for architectural conservation firms 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchDoha, QatarHQ recorded Sep 30, 2026501-1,000582 contacts →

Exact match

“Arab Engineering Bureau (AEB) is an award-winning firm of architects, urban and master planners, interior, landscape and structural designers, engineers, quantity surveyors and…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2Exact matchDubai, United Arab EmiratesHQ recorded Sep 30, 2026201-500574 contacts →

Exact match

“Founded over a decade ago by Emad Jaber & Nabil Al Khaja, LACASA has become one of the most accomplished multidisciplinary Architectural Design firms in the region with a diverse…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3Exact matchLittle Global, VA, United StatesHQ recorded Sep 30, 2026201-500509 contacts →

Exact match

“At Little, we deliver results far beyond architecture-results you wouldn’t expect from an architectural firm.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4Exact matchPhoenix, AZ, United StatesHQ recorded Sep 30, 2026501-1,000423 contacts →

Exact match

“We are a cultural resource management firm operating across the United States and internationally, dedicated to stewarding our shared heritage.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 30, 2026201-500386 contacts →

Exact match

“We work as one family of many experts: architects, designers, heritage leaders and specialist consultants.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6Exact matchCape Town, South AfricaHQ recorded Sep 30, 2026201-500361 contacts →

Exact match

“South African-based firm SAOTA is a studio of architectural designers and technicians including in-house CGI and marketing teams, as well as strong support staff.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7Exact matchChicago, IL, United StatesHQ recorded Sep 30, 2026201-500326 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
8Exact matchWest Des Moines, IA, United StatesHQ recorded Sep 30, 202651-200281 contacts →

Exact match

“For 60 years, BSB Design has partnered with clients to shape places that perform.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9Exact matchGiza, EgyptHQ recorded Sep 30, 2026201-500266 contacts →

Exact match

“Distance Studio Consultants (DSC) is a multi-disciplinary architecture, engineering, and consulting firm.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10Exact matchDublin 2, IrelandHQ recorded Sep 30, 2026201-500250 contacts →

Exact match

“Henry J Lyons Architects is an Irish architectural practice based in Dublin City Centre.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11Exact matchSacramento, CA, United StatesHQ recorded Sep 30, 2026201-500244 contacts →

Exact match

“Lionakis was established in 1909 and is a multi-disciplinary firm specializing in architectural, structural engineering, and interior design services.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12Exact matchLausanne, SwitzerlandHQ recorded Sep 30, 2026201-500242 contacts →

Exact match

“CCHE is a Swiss architecture firm.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13Exact matchDenver, CO, United StatesHQ recorded Sep 30, 2026201-500234 contacts →

Exact match

“YOUR PROPERTY RISKS, SEEN AND SOLVED.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14Exact matchNew York, NY, United StatesHQ recorded Sep 30, 2026201-500230 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
15Exact matchPalo Alto, CA, United StatesHQ recorded Sep 30, 2026201-500229 contacts →

Exact match

“Allana Buick & Bers, Inc.(ABB) is a leading Architectural Engineering firm specializing in making buildings perform better by making them energy efficient and longer lasting with…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16Exact matchWashington, DC, United StatesHQ recorded Sep 30, 202651-200225 contacts →

Exact match

“Creators of vital places.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17Exact matchChicago, IL, United StatesHQ recorded Sep 30, 2026201-500224 contacts →

Exact match

“Lamar Johnson Collaborative (LJC) is a full-service, integrated architecture and design firm.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18Exact matchBoston, MA, United StatesHQ recorded Sep 30, 202651-200221 contacts →

Exact match

“CBT is working nationally and internationally on projects that range from urban district master planning to large-scale mixed-use developments, civic and cultural venues…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19Exact matchAlbuquerque, NM, United StatesHQ recorded Sep 30, 2026201-500219 contacts →

Exact match

“Dekker is a multidisciplinary architecture firm with offices in Albuquerque, New Mexico; Phoenix, Arizona; and El Paso, Texas.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20Exact matchDenver, CO, United StatesHQ recorded Sep 30, 202651-200213 contacts →

Exact match

“At OZ Architecture, we are committed to the creation of excellence in design.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21Exact matchLimoges, FranceHQ recorded Sep 30, 2026201-500209 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
22Exact matchRiyadh, Saudi ArabiaHQ recorded Sep 30, 2026201-500203 contacts →

Exact match

“Saudi Architects is a leading and highly ranked world-class firm.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23Exact matchNew York, NY, United StatesHQ recorded Sep 30, 202651-200198 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
24Exact matchChicago, IL, United StatesHQ recorded Sep 30, 2026201-500196 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
25Exact matchAl Ain, United Arab EmiratesHQ recorded Sep 30, 2026201-500184 contacts →

Exact match

“ARCAL ENGINEERING CONSULTANT, founded in 2006, is one of the leading multi-disciplined architectural and interior design firms in the UAE.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase

Showing 25 of 24,042 architectural conservation firms worldwide

See the full list, filter by size, metro and specialty, and access 40,303 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Architectural conservation firms worldwide at a glance

As of Sep 30, 2026
30.1%Verified-email coverage
5.6Average contacts per company
1-10Median size (employees)
1.5%Largest-city concentration · New York
Sep 30, 2026Page data refreshed

Companies by employee count

1-10
17,113
11-50
5,610
51-200
844
201-500
153
501-1,000
26
1,001-5,000
4
5,001-10,000
6
10001+
4

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 firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “architectural conservation firms” 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 40,303 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 firms by location

107 lists · largest first

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

How many architectural conservation firms are there worldwide?

RevenueBase identified 24,042 company matches for architectural conservation firms 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?

Arab Engineering Bureau - Qatar tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most architectural conservation firms?

The United States leads with 4,916 companies, followed by Germany (1,485) and the United Kingdom (1,481). Every architectural conservation firms list by country and city is linked on this page.

Which city has the most architectural conservation firms?

New York leads with 356 company records, followed by London (328) and Sao Paulo (270).

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 40,303 professional contacts with verified work emails tracked across these 24,042 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.