Company lists · Data refreshed November 2026

Top 25 Heritage preservation organizations worldwide

RevenueBase identified 1,179 company matches for heritage preservation organizations worldwide as of November 2026 and tracks 13,611 professional contacts across them, including 3,922 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for heritage preservation organizations 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 November 6, 2026. Country and city lists for heritage preservation organizations 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 Nov 6, 2026 How this list was built
1,179Companies
13,611Contacts tracked
3,922Verified emails
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The 25 largest heritage preservation organizations worldwide

Ranked by team size
Top 25 of 1,179 company matches for heritage preservation organizations worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,0001,288 contacts →

Exact match

“From the extraordinary, to the everyday, our historic places and spaces matter – to you, to us, to the nation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBoston, MA, United StatesHQ recorded Nov 6, 2026201-500502 contacts →

Exact match

“Founded by landscape architect Charles Eliot in 1891, The Trustees has, for more than 125 years, been a catalyst for important ideas, endeavors, and progress in Massachusetts.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAmersfoort, NetherlandsHQ recorded Nov 6, 2026201-500469 contacts →

Exact match

“The Cultural Heritage Agency of the Netherlands helps other parties to get the best out of our heritage.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNeuilly-sur-seine, FranceHQ recorded Nov 6, 202651-200439 contacts →

Exact match

“Fondation du Patrimoine is a French non profit organization, created by law in 1996, to promote and raise funds to restore public and private heritage.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchWashington, DC, United StatesHQ recorded Nov 6, 2026201-500363 contacts →

Exact match

“For more than 75 years, the National Trust for Historic Preservation has led the movement to safeguard America’s historic places.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchStockholm, SwedenHQ recorded Nov 6, 2026201-500280 contacts →

Exact match

“The Swedish National Heritage Board is the agency of the Swedish government that is responsible for heritage and historic environment issues.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchHaverhill, MA, United StatesHQ recorded Nov 6, 202651-200235 contacts →

Exact match

“Historic New England is the oldest and largest regional heritage organization in the nation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchApeldoorn, NetherlandsHQ recorded Nov 6, 2026201-500185 contacts →

Exact match

“History has been made at Paleis Het Loo and we are working hard to preserve it.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMadrid, SpainHQ recorded Nov 6, 2026501-1,000125 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 · Nov 6, 2026 · View company records in RevenueBase
10Exact matchNew ZealandHQ recorded Nov 6, 202651-200120 contacts →

Exact match

“Heritage New Zealand Pouhere Taonga is the leading national historic heritage agency.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchRome, ItalyHQ recorded Nov 6, 202611-50105 contacts →

Exact match

“Italia Nostra is the oldest national association for the defence of the historical, cultural and environmental heritage of Italy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchCleveland, OH, United StatesHQ recorded Nov 6, 202651-20092 contacts →

Exact match

“GBX Group LLC specializes in preserving and operating historic real estate in urban markets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchKarachi, PakistanHQ recorded Nov 6, 202611-5086 contacts →

Exact match

“The Citizens Archive of Pakistan (CAP) is a non-profit organization dedicated to cultural and historic preservation, operating in Karachi, Lahore and Islamabad.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchAmsterdam, NetherlandsHQ recorded Nov 6, 202651-20083 contacts →

Exact match

“Hendrick de Keyser’ behoudt al sinds 1918 architectonisch of historisch waardevolle huizen en hun interieur in Nederland.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchUnited KingdomHQ recorded Nov 6, 2026201-50078 contacts →

Exact match

“Heritage Lottery Fund (HLF) sustains and transforms a wide range of heritage through innovative investment in projects with a lasting impact on people and places.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchTarrytown, NY, United StatesHQ recorded Nov 6, 202651-20076 contacts →

Exact match

“Historic Hudson Valley, Westchester County’s largest cultural organization, educates and entertains more than visitors a year through school programs, tours of five National…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchAmersfoort, NetherlandsHQ recorded Nov 6, 202651-20071 contacts →

Exact match

“Nationaal Restauratiefonds biedt eigenaren en beheerders van monumenten financiële ondersteuning bij het restaureren en onderhouden van hun pand.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchRichmond, VA, United StatesHQ recorded Nov 6, 202651-20069 contacts →

Exact match

“Since 1889, Preservation Virginia has preserved historic places and raised awareness of the importance of perpetuating and revitalizing Virginia's cultural, architectural and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCharleston, SC, United StatesHQ recorded Nov 6, 202651-20068 contacts →

Exact match

“Established in 1947, Historic Charleston Foundation is dedicated to preserving and protecting the architectural, historical and cultural character of Charleston and its Lowcountry…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLondon, ON, CanadaHQ recorded Nov 6, 202611-5060 contacts →

Exact match

“TMHC embraces the respectful conservation of Ontario's cultural heritage, working in partnership with municipalities, public and private organizations, Indigenous and descendent…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchWarsaw, PolandHQ recorded Nov 6, 2026201-50060 contacts →

Exact match

“Naszą misją jest tworzenie podstaw dla zrównoważonej ochrony dziedzictwa kulturowego, by zachować jak najwięcej dla przyszłych pokoleń.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchStamford, United KingdomHQ recorded Nov 6, 202651-20058 contacts →

Exact match

“Specialists in the conservation and restoration of historic buildings and monuments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchParis, FranceHQ recorded Nov 6, 202611-5056 contacts →

Exact match

“Créée en 1958 par Anne de Amodio et reconnue d’utilité publique en 1963, les VMF se consacrent à la sauvegarde et à la mise en valeur du patrimoine bâti et paysager depuis près de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5052 contacts →

Exact match

“The Society for the Protection of Ancient Buildings.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchIndianapolis, IN, United StatesHQ recorded Nov 6, 202611-5051 contacts →

Exact match

“A private nonprofit supported by a diverse membership base and guided by a volunteer board, Indiana Landmarks revitalizes communities, strengthens connections to our diverse…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,179 heritage preservation organizations worldwide

See the full list, filter by size, metro and specialty, and access 3,922 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Heritage preservation organizations worldwide at a glance

As of Nov 6, 2026
28.8%Verified-email coverage
11.5Average contacts per company
1-10Median size (employees)
2.0%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
767
11-50
283
51-200
68
201-500
23
501-1,000
13
1,001-5,000
5
5,001-10,000
1
10001+
1

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 heritage preservation organizations are linked below.
What qualifies
Company records worldwide whose business descriptions match “heritage preservation organizations” 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 3,922 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 November 6, 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.

Heritage preservation organizations by location

7 lists · largest first

Every Heritage preservation organizations list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “heritage preservation organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many heritage preservation organizations are there worldwide?

RevenueBase identified 1,179 company matches for heritage preservation organizations worldwide as of November 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?

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

Which country has the most heritage preservation organizations?

The United States leads with 385 companies, followed by the United Kingdom (87) and France (71). Every heritage preservation organizations list by country and city is linked on this page.

Which city has the most heritage preservation organizations?

London leads with 24 company records, followed by New York (17) and Washington (17).

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 3,922 professional contacts with verified work emails tracked across these 1,179 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 November 6, 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.