Company lists · Data refreshed September 2026

Top 25 Architectural consulting firms based in St. Louis, United States

Name: Architectural consulting firms based in St. Louis, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 36 companies tracked

RevenueBase identified 36 company matches for architectural consulting firms associated with St. Louis, United States as of September 2026 and tracks 3,606 professional contacts across them, including 1,872 with verified work emails. Across the United States, New York is the largest hub for this category (1,143 companies); St. Louis has 104.

This list covers company matches for architectural consulting firms associated with St. Louis, United States, 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 28, 2026.

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 28, 2026 How this list was built

36Companies

3,606Contacts tracked

1,872Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest architectural consulting firms based in St. Louis, United States

Ranked by team size

Top 25 of 36 company matches for architectural consulting firms based in St. Louis, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	BW Design Group	Exact match	St. Louis, MO, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,555 contacts →
	Exact match “BW Design Group is the only independent, fully integrated AEC firm powered by a Manufacturer's Mindset™.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Introba	Exact match	St. Louis, MO, United StatesHQ recorded Sep 28, 2026	1,001-5,000	822 contacts →
	Exact match “Introba is one of the world’s largest building engineering and consulting firms with more than employees in offices across the United States, Canada, the United Kingdom, Serbia…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Trileaf Corporation	Exact match	St. Louis, MO, United StatesHQ recorded Sep 28, 2026	201-500	211 contacts →
	Exact match “Quality work and quick responses - Trileaf gives you both.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	CD Companies	Exact match	St. Louis, MO, United StatesHQ recorded Sep 28, 2026	51-200	105 contacts →
	Exact match “Founded in 1959, CD Companies has a rich history of Engineering and Architecture services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Trivers	Exact match	St. Louis, MO, United StatesHQ recorded Sep 28, 2026	11-50	44 contacts →
	Exact match “Founded in 1975, Trivers is an architecture, planning, urban design, and interiors firm based in St.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Christner Architects	Exact match	St. Louis, MO, United StatesHQ recorded Sep 28, 2026	51-200	30 contacts →
	Exact match “We explore fresh approaches to planning and design through services that include: Architecture, Interior Design, Landscape Architecture, Strategic Facility Planning, and Campus…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Casco Architecture & Engineering	Exact match	St. Louis, MO, United StatesHQ recorded Sep 28, 2026	51-200	28 contacts →
	Exact match “CASCO is a national full-service architecture, engineering, and design firm.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Kdg, A Division Of Shive-Hattery, INC	Exact match	St. Louis, MO, United StatesHQ recorded Sep 28, 2026	11-50	25 contacts →
	Exact match “KdG, a division of Shive-Hattery, Inc, was founded in 1974, and is a full-service design firm organized into four divisions: architecture, interiors, civil engineering, and land…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	FOX Architects St. Louis	Exact match	St. Louis, MO, United StatesHQ recorded Sep 28, 2026	11-50	19 contacts →
	Exact match “At Fox Architects, we know design has the power to change people’s lives for the better.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Remiger Design	Exact match	St. Louis, MO, United StatesHQ recorded Sep 28, 2026	11-50	18 contacts →
	Exact match “Remiger Design is a nimble team of architects, interior designers, and planners with a combined 150 years of experience serving the St.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Reed Burkett Lighting Design	Exact match	St. Louis, MO, United StatesHQ recorded Sep 28, 2026	11-50	16 contacts →
	Exact match “Premier lighting design firms, Randy Burkett Lighting Design and Envision Lighting Design, have merged to form Reed Burkett Lighting Design (RBLD).” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Tr,i Architects	Exact match	St. Louis, MO, United StatesHQ recorded Sep 28, 2026	11-50	16 contacts →
	Exact match “At TR,i, we earn your trust through our client-centric approach to design.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Capital Consultants, INC	Exact match	St. Louis, MO, United StatesHQ recorded Sep 28, 2026	11-50	14 contacts →
	Exact match “Capital Consultants Inc.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Facet Architectural Design	Exact match	St. Louis, MO, United StatesHQ recorded Sep 28, 2026	51-200	12 contacts →
	Exact match “Facet Architectural Design is a highly specialized architectural design firm featuring healthcare and educational facilities.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Fsa, LLC	Exact match	St. Louis, MO, United StatesHQ recorded Sep 28, 2026	11-50	12 contacts →
	Exact match “FSA (Feeler S.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Dtls Landscape Architecture	Exact match	St. Louis, MO, United StatesHQ recorded Sep 28, 2026	11-50	10 contacts →
	Exact match “DTLS is a St.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Verve Design Studio	Exact match	St. Louis, MO, United StatesHQ recorded Sep 28, 2026	1-10	10 contacts →
	Exact match “VERVE Design Studio is an established architecture and interior design firm in St.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Triteq INC	Exact match	St. Louis, MO, United StatesHQ recorded Sep 28, 2026	11-50	9 contacts →
	Exact match “TRITEQ provides structural engineering, drafting, and design services to contractors, architects, owners, and manufacturers in the exterior building envelope industry.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Eddy Design Group	Exact match	St. Louis, MO, United StatesHQ recorded Sep 28, 2026	1-10	9 contacts →
	Exact match “A Woman-Owned, Full-Service Architecture & Design Firm Experience with a Fresh Perspective.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	United Excel Design	Exact match	St. Louis, MO, United StatesHQ recorded Sep 28, 2026	11-50	5 contacts →
	Exact match “United Excel Design provides architectural design & planning services centered on creating exceptional facilities to meet the design goals of our clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Nistenhaus	Exact match	St. Louis, MO, United StatesHQ recorded Sep 28, 2026	1-10	3 contacts →
	Exact match “Nistenhaus is the solution to a question we are constantly asking ourselves; how can we provide meaningful design at the level of service that is unique to each client?” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Design Collective STL	Exact match	St. Louis, MO, United StatesHQ recorded Sep 28, 2026	1-10	2 contacts →
	Exact match “Founded by Brett Clark and Ellen Lancia, Design Collective STL was inspired by a vision to bring expert interior design, efficient project management, and the highest level of…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	L2e Solutions	Exact match	St. Louis, MO, United StatesHQ recorded Sep 28, 2026	1-10	2 contacts →
	Exact match “L2e is an MBE and SDVOSB firm that provides an innovative, progressive approach to architecture offering a full range of architectural services from initial concept to project…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Dennis Mcgrath Design, LLC	Exact match	St. Louis, United StatesHQ recorded Sep 28, 2026	1-10	2 contacts →
	Exact match “Dennis McGrath is founder and principal of Dennis McGrath Design, LLC, a design, and architectural consulting practice in Saint Louis, Missouri since 2015, and currently a Senior…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Hwai Yang Architects	Exact match	St. Louis, MO, United StatesHQ recorded Sep 28, 2026	1-10	2 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 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 consulting firms”. 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 36 architectural consulting firms based in St. Louis, United States

See the full list, filter by size, metro and specialty, and access 1,872 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Architectural consulting firms based in St. Louis, United States at a glance

As of Sep 28, 2026

51.9%Verified-email coverage

100.2Average contacts per company

11-50Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for St. Louis, so it is reported there. Company counts and contact totals on this page are exact for St. Louis, over 36 companies.

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.
What qualifies: Company records associated with St. Louis, United States whose business descriptions match “architectural consulting 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 1,872 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 28, 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 consulting firms by metro in the United States

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

How many architectural consulting firms are there based in St. Louis, United States?

RevenueBase identified 36 company matches for architectural consulting firms associated with St. Louis, United States 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?

BW Design Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most architectural consulting firms?

New York leads the United States with 1,143 company records, followed by Los Angeles (410) and Chicago (367). St. Louis has 104.

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 1,872 professional contacts with verified work emails tracked across these 36 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 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 36 architectural consulting firms based in St. Louis, United States. Start with a free account, no credit card.

Download this list →

Related lists

Architectural consulting firms by geography

Browse the directory

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.