Company lists · Data refreshed September 2026

Top 25 Full-service consulting firms based in St. Louis, United States

RevenueBase identified 91 company matches for full-service consulting firms associated with St. Louis, United States as of September 2026 and tracks 1,751 professional contacts across them, including 865 with verified work emails. Across the United States, New York is the largest hub for this category (935 companies); St. Louis has 91.

This list covers company matches for full-service 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 30, 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 30, 2026 How this list was built
91Companies
1,751Contacts tracked
865Verified emails
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The 25 largest full-service consulting firms based in St. Louis, United States

Ranked by team size
Top 25 of 91 company matches for full-service consulting firms based in St. Louis, United States, 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 matchSt. Louis, MO, United StatesHQ recorded Sep 30, 2026501-1,0001,056 contacts →

Exact match

“RubinBrown provides unmatched service to closely held and publicly traded companies in specialized market sectors as well as non-profit and public sector organizations.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 2026201-500141 contacts →

Exact match

“Vintech Solutions,Inc delivers consulting and outsourcing services in the industry of Information technology.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 202651-20083 contacts →

Exact match

“Maryville Consulting Group (MCG) is a professional services firm that helps Fortune companies transform into technology-enabled businesses.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 202651-20075 contacts →

Exact match

“The principals at Case Engineering, Inc.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 202611-5043 contacts →

Exact match

“Established in 1979, Abeles and Hoffman, P.C.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 202611-5036 contacts →

Exact match

“At Omniskope, our mission is to accelerate digital transformation-keeping people at the center, and doing it well by doing good.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 2026201-50023 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 202611-5017 contacts →

Exact match

“Founded in September The Growth Partnership (TGP) has grown from a home office to the only full-service, multi-disciplinary consulting firm serving the accounting profession.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 202651-20015 contacts →

Exact match

“Summit Strategies Group was acquired by Mercer, a global consulting leader in advancing health, wealth and career, on November 15, 2018.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 202651-20013 contacts →

Exact match

“In today’s fast-paced business landscape, digital transformation has emerged as the cornerstone of success.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 202611-508 contacts →

Exact match

“Covene is an Azure migration and modernization partner for IT teams running business-critical workloads.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 20261-107 contacts →

Exact match

“NMBL Strategies seeks to empower small businesses, nonprofits and public-private enterprises through trusted consulting partnerships.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 202611-506 contacts →

Exact match

“Project Controls Group, Inc.(PCG) is headquartered in St.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 20261-105 contacts →

Exact match

“At PCG, we believe great businesses are built by investing in people.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 20261-105 contacts →

Exact match

“Denali provides strategic, operational, and financial advisory to mid-size companies.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16Exact matchSt. Louis, United StatesHQ recorded Sep 30, 20261-104 contacts →

Exact match

“20+ years of experience working with clients to solve complex problems at the intersection of people, process & technology.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 20261-103 contacts →

Exact match

“Sometimes problems linger because “we’ve always done it this way.” Sometimes problems go unsolved because it's too daunting, “If we start, we can’t finish it.” Savi Gs can solve…”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 20261-102 contacts →

Exact match

“Consulting”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 20261-102 contacts →

Exact match

“Big River is a senior partner advisory firm on call when your company needs help with major business decisions.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 20261-102 contacts →

Exact match

“Peak Organization Performance will help you surmount your company's peaks with the Sherpa Services you need to optimize your organization’s short-and long-term performance.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21Exact matchSt. Louis, United StatesHQ recorded Sep 30, 20261-102 contacts →

Exact match

“We are your partners for Business Growth!”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 20261-101 contacts →

Exact match

“Tassory is focused on delivering personalized and modern transformations around data, strategy and technology.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 20261-101 contacts →

Exact match

“We are a consulting firm focused on organizational management.”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 20261-101 contacts →

Exact match

“Success = Leadership + Strategy + Execution!”

Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25Exact matchSt. Louis, MO, United StatesHQ recorded Sep 30, 20261-101 contacts →

Exact match

“Liv Group is a culture of free thinkers and achievers dedicated to helping businesses, brands, and business leaders liv outside the box to reach milestone growth through building…”

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

Showing 25 of 91 full-service consulting firms based in St. Louis, United States

See the full list, filter by size, metro and specialty, and access 865 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Full-service consulting firms based in St. Louis, United States at a glance

As of Sep 30, 2026
49.4%Verified-email coverage
19.2Average contacts per company
1-10Median size (employees)
Sep 30, 2026Page data refreshed

Companies by employee count

1-10
72
11-50
9
51-200
7
201-500
2
501-1,000
1

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 91 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 “full-service 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 865 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.

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

How many full-service consulting firms are there based in St. Louis, United States?

RevenueBase identified 91 company matches for full-service 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?

Rubinbrown LLP 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 full-service consulting firms?

New York leads the United States with 935 company records, followed by Chicago (496) and Atlanta (479). St. Louis has 91.

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 865 professional contacts with verified work emails tracked across these 91 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.