Company lists · Data refreshed November 2026

Top 25 Period architectural consultants worldwide

RevenueBase identified 5,147 company matches for period architectural consultants worldwide as of November 2026 and tracks 27,194 professional contacts across them, including 9,500 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for period architectural 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 November 6, 2026. Country and city lists for period architectural 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 Nov 6, 2026 How this list was built
5,147Companies
27,194Contacts tracked
9,500Verified emails
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The 25 largest period architectural consultants worldwide

Ranked by team size
Top 25 of 5,147 company matches for period architectural consultants 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 matchWashington, MI, United StatesHQ recorded Nov 6, 202651-200226 contacts →

Exact match

“Creators of vital places.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchNew York, DC, United StatesHQ recorded Nov 6, 202651-200219 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchNew York, United StatesHQ recorded Nov 6, 202651-200206 contacts →

Exact match

“Ennead, a CannonDesign Company, is an internationally acclaimed 160+ person practice based in New York City with offices in Los Angeles and Shanghai.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNew York, United StatesHQ recorded Nov 6, 202651-200176 contacts →

Exact match

“LERA Consulting Structural Engineers (LERA) is a M/WBE structural engineering firm providing services to architects, owners, contractors, and developers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchCA, United StatesHQ recorded Nov 6, 202651-200130 contacts →

Exact match

“Founded in 1906, ours is one of the oldest and most established architectural firms in California.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202651-200129 contacts →

Exact match

“Sheehan Nagle Hartray Architects is an award-winning firm with offices in Chicago and London offering architectural design, interior design, and pre-design services including site…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact 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
8Exact matchBrooklyn, NY, United StatesHQ recorded Nov 6, 2026201-500117 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 · Nov 6, 2026 · View company records in RevenueBase
9Exact matchChelsea, MA, United StatesHQ recorded Nov 6, 202651-200112 contacts →

Exact match

“Founded in 1971, The Architectural Team is driven by a commitment to exceptional design and an unyielding focus on achieving client objectives.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchToronto, QC, CanadaHQ recorded Nov 6, 202651-200105 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 · Nov 6, 2026 · View company records in RevenueBase
11Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202651-200100 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 · Nov 6, 2026 · View company records in RevenueBase
12Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202651-20097 contacts →

Exact match

“SUPERSTRUCTURES Engineers + Architects is dedicated to preservation of buildings and infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchToronto, ON, CanadaHQ recorded Nov 6, 202651-20097 contacts →

Exact match

“Blackwell has been providing structural engineering services to architects, developers, and building owners since 1987.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchManchester, United KingdomHQ recorded Nov 6, 202651-20090 contacts →

Exact match

“Buttress provides architecture, heritage and masterplanning to clients across the country.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20090 contacts →

Exact match

“Eric Parry Architects & its Singapore Studio is an established and award-winning practice with a portfolio of notable work.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLeeds, United KingdomHQ recorded Nov 6, 202651-20089 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 · Nov 6, 2026 · View company records in RevenueBase
17Exact matchRichmond, VA, United StatesHQ recorded Nov 6, 202651-20084 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 · Nov 6, 2026 · View company records in RevenueBase
18Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202651-20082 contacts →

Exact match

“Shalom Baranes Associates (SBA) is a Washington, DC architectural firm with an acclaimed reputation for its expertise in residential, commercial, institutional, and governmental…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchNew York, United StatesHQ recorded Nov 6, 202651-20078 contacts →

Exact match

“1100 Architect is a full-service architecture firm based in New York City and Frankfurt, Germany, working across a broad range of project types, including living spaces, learning…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchKøbenhavn K, DenmarkHQ recorded Nov 6, 202651-20074 contacts →

Exact match

“Renovering med respekt: For ejendommenes historie, omgivelser og arkitektur.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202651-20072 contacts →

Exact match

“Hartshorne Plunkard Architecture is an award winning, full service architecture, interior and planning design firm that practices nationally from its Near North Chicago studio.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchPhiladelphia, PA, United StatesHQ recorded Nov 6, 202651-20068 contacts →

Exact match

“The alchemy of art, science, analysis, and intuition with regard to the built environment is our core mission.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSarasota, FL, United StatesHQ recorded Nov 6, 202651-20068 contacts →

Exact match

“Engineering Integrity to Achieve Your Vision Karins Engineering serves clients throughout the life cycle of their properties, from design to demolition.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchCopenhagen, DenmarkHQ recorded Nov 6, 202651-20066 contacts →

Exact match

“Over Byen Arkitekter is specialized in the generation of vital places through insightful change.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchParis, FranceHQ recorded Nov 6, 202651-20065 contacts →

Exact match

“Comptant parmi les principales agences d’architecture françaises, 2BDM Architectes est une structure unique en son genre, dédiée au patrimoine ancien (monuments et jardins…”

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

Showing 25 of 5,147 period architectural consultants worldwide

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Period architectural consultants worldwide at a glance

As of Nov 6, 2026
34.9%Verified-email coverage
5.3Average contacts per company
1-10Median size (employees)
2.1%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
3,783
11-50
1,048
51-200
132
201-500
8
501-1,000
5
5,001-10,000
2
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 period architectural consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “period architectural 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 9,500 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.

Period architectural consultants by location

25 lists · largest first

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

How many period architectural consultants are there worldwide?

RevenueBase identified 5,147 company matches for period architectural consultants 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?

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

Which country has the most period architectural consultants?

The United States leads with 1,301 companies, followed by the United Kingdom (547) and Germany (487). Every period architectural consultants list by country and city is linked on this page.

Which city has the most period architectural consultants?

London leads with 109 company records, followed by New York (108) and Paris (64).

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 9,500 professional contacts with verified work emails tracked across these 5,147 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.