Company lists · Data refreshed September 2026

Top 24 Impact consulting firms based in St. Louis, United States

Name: Impact 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 30, 2026 168 companies tracked

RevenueBase identified 168 company matches for impact consulting firms associated with St. Louis, United States as of September 2026 and tracks 937 professional contacts across them, including 405 with verified work emails. Across the United States, New York is the largest hub for this category (1,952 companies); St. Louis has 168.

This list covers company matches for impact 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

168Companies

937Contacts tracked

405Verified emails

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

The 24 largest impact consulting firms based in St. Louis, United States

Ranked by team size

Top 24 of 168 company matches for impact 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Luzco Technologies LLC	Exact match	St. Louis, MO, United StatesHQ recorded Sep 30, 2026	51-200	126 contacts →
	Exact match “LUZCO’s team of knowledgeable experts will strategically guide your team through each step of the process and help you develop innovative strategies, improve efficiency, enhance…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2	Q4 Solutions	Exact match	St. Louis, MO, United StatesHQ recorded Sep 30, 2026	11-50	102 contacts →
	Exact match “Q4 Solutions (formerly Psychological Associates) is a trusted partner in elevating organizations to achieve exceptional results through people.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3	Maryville Consulting Group Part Of Accenture	Exact match	St. Louis, MO, United StatesHQ recorded Sep 30, 2026	51-200	83 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
4	Spirtas Worldwide An EJ Spirtas Group, LLC Company	Exact match	St. Louis, United StatesHQ recorded Sep 30, 2026	11-50	35 contacts →
	Exact match “Headquartered in St Louis (Creve Coeur), Missouri, our company is a nationally recognized, innovative management consulting firm specializing in Construction, Demolition…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5	CSG	Exact match	St. Louis, MO, United StatesHQ recorded Sep 30, 2026	11-50	30 contacts →
	Exact match “Our mission at #teamcsg is to transform businesses by unleashing data-driven technology solutions that empower people to deliver results.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6	EMD Consulting Group	Exact match	St. Louis, MO, United StatesHQ recorded Sep 30, 2026	1-10	27 contacts →
	Exact match “EMD helps its mission-driven clients build organizational strength and agility through consulting and advising services in the areas of strategy, leadership, governance, capacity…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7	Numerof & Associates	Exact match	St. Louis, MO, United StatesHQ recorded Sep 30, 2026	11-50	24 contacts →
	Exact match “We connect the dots.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8	Mission Matters Group	Exact match	St. Louis, MO, United StatesHQ recorded Sep 30, 2026	11-50	13 contacts →
	Exact match “Mission Matters Group was founded in 2011 for one purpose – to help our clients harness the power of technology in support of their unique mission.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9	Pathways United	Exact match	St. Louis, MO, United StatesHQ recorded Sep 30, 2026	1-10	11 contacts →
	Exact match “Pathways United is a full-service consulting agency that specializes in workforce, education, and youth programs.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10	O Miga	Exact match	St. Louis, MO, United StatesHQ recorded Sep 30, 2026	11-50	10 contacts →
	Exact match “Are you dedicating time to grow and scale your business?” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11	SHIFT	Exact match	St. Louis, MO, United StatesHQ recorded Sep 30, 2026	1-10	10 contacts →
	Exact match “At Shift we help bring senior business leaders organic growth by finding ideal intersections between business value and customer need.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12	The Rome Group	Exact match	St. Louis, MO, United StatesHQ recorded Sep 30, 2026	1-10	9 contacts →
	Exact match “The Rome Group are nonprofit specialists who strengthen the nonprofits that strengthen our communities.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13	Vested Solutions, LLC	Exact match	St. Louis, MO, United StatesHQ recorded Sep 30, 2026	1-10	9 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14	LDR Admservices, LLC	Exact match	St. Louis, MO, United StatesHQ recorded Sep 30, 2026	11-50	8 contacts →
	Exact match “LDR AdmServices, LLC helps educational and non-profit organizations improve their results through interim placements, insourcing, coaching and mentoring, and consulting.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15	Covene	Exact match	St. Louis, MO, United StatesHQ recorded Sep 30, 2026	11-50	8 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
16	Nmbl Strategies	Exact match	St. Louis, MO, United StatesHQ recorded Sep 30, 2026	1-10	7 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
17	KEY Strategic Group	Exact match	St. Louis, MO, United StatesHQ recorded Sep 30, 2026	1-10	7 contacts →
	Exact match “Our consulting approach is driven by the power of intentionality.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18	Solstice Productions	Exact match	St. Louis, MO, United StatesHQ recorded Sep 30, 2026	1-10	7 contacts →
	Exact match “At Solstice, we help organizations communicate more clearly-both inside their teams and out in the world.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19	Bailey & CO	Exact match	St. Louis, MO, United StatesHQ recorded Sep 30, 2026	1-10	6 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20	Objective Strategies	Exact match	St. Louis, MO, United StatesHQ recorded Sep 30, 2026	1-10	5 contacts →
	Exact match “We dig deep to understand your unique growth obstacles, integrate seamlessly with your team to maximize results and build cross-audience strategies that break through the noise.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21	Patterson Consulting Group	Exact match	St. Louis, MO, United StatesHQ recorded Sep 30, 2026	1-10	5 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
22	Denali Consulting Services	Exact match	St. Louis, MO, United StatesHQ recorded Sep 30, 2026	1-10	5 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
23	Acumaxum, LLC	Exact match	St. Louis, MO, United StatesHQ recorded Sep 30, 2026	1-10	4 contacts →
	Exact match “Acumaxum works with successful business owners to help them scale and grow their businesses.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24	Quarter Coast Consulting	Exact match	St. Louis, MO, United StatesHQ recorded Sep 30, 2026	1-10	3 contacts →
	Exact match “Quarter Coast Consulting is a nationally-recognized boutique consulting firm specializing in emerging industry opportunities.” Recorded in the RevenueBase company graph · Sep 30, 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 “impact 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 24 of 168 impact consulting firms based in St. Louis, United States

See the full list, filter by size, metro and specialty, and access 405 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

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

As of Sep 30, 2026

43.2%Verified-email coverage

5.6Average contacts per company

1-10Median size (employees)

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

143

11-50

51-200

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 168 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 “impact 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 405 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.

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

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

RevenueBase identified 168 company matches for impact 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?

Luzco Technologies LLC 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 impact consulting firms?

New York leads the United States with 1,952 company records, followed by Chicago (974) and Washington (937). St. Louis has 168.

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 405 professional contacts with verified work emails tracked across these 168 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.

Ready to reach these companies? Verified emails and direct dials for all 168 impact consulting firms based in St. Louis, United States. Start with a free account, no credit card.

Download this list →

Related lists

Impact 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.