Company lists · Data refreshed September 2026

Top 25 Impact consulting firms based in Milwaukee, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 85 companies tracked

RevenueBase identified 85 company matches for impact consulting firms associated with Milwaukee, United States as of September 2026 and tracks 260 professional contacts across them, including 111 with verified work emails. Across the United States, New York is the largest hub for this category (1,952 companies); Milwaukee has 85.

This list covers company matches for impact consulting firms associated with Milwaukee, 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

85Companies

260Contacts tracked

111Verified emails

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The 25 largest impact consulting firms based in Milwaukee, United States

Ranked by team size

Top 25 of 85 company matches for impact consulting firms based in Milwaukee, 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	Lauber Business Partners Fractional Interim Leadership, Consulting, Executive Search	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 30, 2026	51-200	59 contacts →
	Exact match “For over 30 years, Lauber Business Partners, Inc.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2	THIEL	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 30, 2026	11-50	25 contacts →
	Exact match “We’re a growth engine for brands ready for more, more clarity, more momentum, more market share.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3	Prism Technical Management & Marketing Services, LLC	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 30, 2026	11-50	11 contacts →
	Exact match “Prism Technical is a business and management consulting firm advising forward thinking companies and governmental entities on matters of process, management, knowledge transfer…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4	Zigswift	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 30, 2026	1-10	10 contacts →
	Exact match “ZigSwift is a Brand Development, Creative Consultancy, Process Optimization, Growth Coaching company.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5	August Brown	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 30, 2026	11-50	8 contacts →
	Exact match “August Brown is a boutique technology-focused management consulting and advisory firm specializing in feasibility studies.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6	Spectrum Nonprofit Services	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 30, 2026	1-10	8 contacts →
	Exact match “Nonprofit leaders today are working overtime to steer their organizations through change, often without a clear financial picture to guide them.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7	Ferris Consulting	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 30, 2026	1-10	6 contacts →
	Exact match “Ferris Consulting helps law firms and attorneys to attract desirable and profitable clients.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8	Hudson West Supply Chain Consulting	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 30, 2026	11-50	5 contacts →
	Exact match “Hudson West is an operational consulting firm focused on helping clients reduce costs, improve operations, and solve their most complex business problems.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9	Tartan Solutions, INC	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 30, 2026	11-50	5 contacts →
	Exact match “Tartan Solutions provides expertise in implementing and reporting financial modeling systems to drive business performance optimization.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10	P3 Development Group	Exact match	Milwaukee, United StatesHQ recorded Sep 30, 2026	1-10	5 contacts →
	Exact match “P3 is a strategic advisory firm, guiding purpose-driven organizations and leaders through complexity with confidence.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11	Ollenburg LLC Executive Consulting & Entrepreneurial Ventures	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 30, 2026	1-10	5 contacts →
	Exact match “Dedicated experts delivering custom playbooks in Tactical and Strategic Executive Planning in Talent Management Blueprints, Policies, Practices, Employment Law and Organizational…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12	Humanworks8	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 30, 2026	1-10	4 contacts →
	Exact match “humanworks8 is a team of business consultants who improve an organization’s bottom line by building sustainable people practices.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13	Humber, Mundie & Mcclary	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 30, 2026	1-10	4 contacts →
	Exact match “Knowledgeable, experienced and comprehensive, HMM business psychologists provide insight on high-value leadership hires, organizational coaching and professional development.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14	51group	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 30, 2026	1-10	3 contacts →
	Exact match “Affordable, flexible and fast.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15	Collabinspire	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 30, 2026	1-10	2 contacts →
	Exact match “With over 50 years of business experience, the partners at Collabinspire feel like we have the experience to help others.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16	Perrynorm Analytics	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 30, 2026	1-10	2 contacts →
	Exact match “At Perrynorm Analytics we work with organizations that need to demonstrate their impact and want to strengthen their programs.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17	Bearing Leadership Consulting	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 30, 2026	1-10	2 contacts →
	Exact match “Bearing Leadership Consulting shapes engaging workplaces and empowers people to create positive change in the world.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18	CC Consulting Group, LLC	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 30, 2026	1-10	2 contacts →
	Exact match “CC Consulting Group, LLC was developed in 2006 in Milwaukee, WI.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19	Hilmer Consulting	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 30, 2026	1-10	1 contacts →
	Exact match “We use experience gained from supporting and leading more than 100 proposal efforts in industries ranging from defense to energy efficiency, resulting in more than $15 billion in…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20	Leadingedge Management Solutions	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 30, 2026	1-10	1 contacts →
	Exact match “At LeadingEdge Management Solutions, we specialize in helping small businesses achieve their goals by leveraging technology and our vast professional experience.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21	Equil Consulting	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 30, 2026	1-10	1 contacts →
	Exact match “Transform Leadership.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22	Connect Resources Group, LLC	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 30, 2026	1-10	1 contacts →
	Exact match “WHETHER YOU’RE EXPERIENCING CHALLENGES WITH COMPANY CULTURE, INTERNAL PROCESSES OR NEED A NEW BUSINESS STRATEGY TO REFLECT YOUR ENVISIONED FUTURE, WE’RE HERE TO HELP.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23	Ascend Performance, LLC	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 30, 2026	1-10	1 contacts →
	Exact match “We help SMEs grow revenue by implementing systems and processes that add success and profitability to our clients.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24	Right Hand Consultants, LLC	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 30, 2026	1-10	1 contacts →
	Exact match “At Right Hand Consultants, we’re passionate about empowering business owners, professionals and leaders by giving them strategies that promote sustainability and align with their…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25	LNB Consultants	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 30, 2026	1-10	1 contacts →
	Exact match “Business leadership consulting with team expertise in: Change Management, Culture Change, Risk Management, DOD Captures, Price to Win, Root Cause Analysis, Training, Coaching…” 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 25 of 85 impact consulting firms based in Milwaukee, United States

See the full list, filter by size, metro and specialty, and access 111 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Impact consulting firms based in Milwaukee, United States at a glance

As of Sep 30, 2026

42.7%Verified-email coverage

3.1Average contacts per company

1-10Median size (employees)

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

Email recency for this list is measured across the whole United States list rather than for Milwaukee, so it is reported there. Company counts and contact totals on this page are exact for Milwaukee, over 85 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 Milwaukee, 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 111 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 Milwaukee, United States?

RevenueBase identified 85 company matches for impact consulting firms associated with Milwaukee, 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?

Lauber Business Partners Fractional Interim Leadership, Consulting, Executive Search 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). Milwaukee has 85.

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 111 professional contacts with verified work emails tracked across these 85 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.