Company lists · Data refreshed September 2026

Top 23 Interim management consulting firms based in Boston, United States

RevenueBase identified 82 interim management consulting firms headquartered in Boston, United States as of September 2026 and tracks 954 professional contacts across them, including 353 with verified work emails. New York is the largest hub.

This list covers interim management consulting firms headquartered in Boston, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 4, 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 HQ checked on every row Match evidence on every row Refreshed Sep 4, 2026 86% judged on-target in blind review
82Companies
954Contacts tracked
353Verified emails
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The 23 largest interim management consulting firms based in Boston, United States

Ranked by team size
Top 23 of 82 interim management consulting firms based in Boston, United States, ranked by team size, largest first. Data refreshed Sep 4, 2026. Evidence rates how directly each company's own description names interim management consulting firms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#CompanyHeadquartersEmployeesContacts
1
Vantage PartnersPartial evidence
Boston, MA, United StatesHQ checked Sep 4, 202651-200124

“Vantage Partners is a consulting and training firm that helps companies innovate more quickly, execute with greater discipline, and collaborate more effectively, for sustained…”

Source: company website · checked Sep 4, 2026
2
LABURIndirect evidence
Boston, MA, United StatesHQ checked Sep 4, 202611-5037

“LABUR brings technology and business together through sound advice, skillful delivery, and selective leadership search.”

Source: company website · checked Sep 4, 2026
3Boston, MA, United StatesHQ checked Sep 4, 202651-20014

“We are seasoned professionals within the consulting field and former C-Suite executives who know what it takes to get the job done efficiently and on-time.”

Source: company website · checked Sep 4, 2026
4
Pappas & PappasStrong evidence
Boston, MA, United StatesHQ checked Sep 4, 202611-5012

“Founded in 1997 as Pappas & Pappas Consulting, today our firm provides unparalleled Human Resources Search, Executive Search, Career Management, and Career Transition services to…”

Source: company website · checked Sep 4, 2026
5Boston, United StatesHQ checked Sep 4, 20261-1010

“MB Law Firm Consulting works with small to mid-sized law firms on a project or long-term basis to identify and implement efficiencies for growth and succession.”

Source: company website · checked Sep 4, 2026
6
On-River ConsultingIndirect evidence
Boston, NY, United StatesHQ checked Sep 4, 202611-509

“What do we do?”

Source: company website · checked Sep 4, 2026
7
Navera Group, LLCPartial evidence
Boston, MA, United StatesHQ checked Sep 4, 20261-107

“Navera Group, LLC provides interim CFO and Controller services to middle market companies throughout the US.”

Source: company website · checked Sep 4, 2026
8
Marlborough Street PartnersIndirect evidence
Boston, MA, United StatesHQ checked Sep 4, 202611-506

“Visit our website for an easy view of our services.”

Source: company website · checked Sep 4, 2026
9
Interim Fractional HRStrong evidence
Boston, MA, United StatesHQ checked Sep 4, 20261-106

“People Vantage HR provides interim / fractional / contract HR consulting services, interim HR leadership, and HR project management to organizations at any stage of their business…”

Source: company website · checked Sep 4, 2026
10
ShiboomiPartial evidence
Boston, MA, United StatesHQ checked Sep 4, 20261-106

“Shiboomi is a leadership and corporate strategy & development consulting firm that was founded in 2003.”

Source: company website · checked Sep 4, 2026
11
MacrescoStrong evidence
Boston, MA, United StatesHQ checked Sep 4, 20261-106

“Macresco is a management-consulting firm dedicated to helping organizations achieve transformative results.”

Source: company website · checked Sep 4, 2026
12
Essex PartnersIndirect evidence
Boston, MA, United StatesHQ checked Sep 4, 20261-105

“Essex Partners specializes in senior executive career transition.”

Source: company website · checked Sep 4, 2026
13
Conan Harris & AssociatesIndirect evidence
Boston, MA, United StatesHQ checked Sep 4, 20261-104

“Welcome to Conan Harris & Associates!”

Source: company website · checked Sep 4, 2026
14
ASW Private Lending, LLCIndirect evidence
Boston, MA, United StatesHQ checked Sep 4, 20261-104

“We help our clients transform their business and reach their full potential.”

Source: company website · checked Sep 4, 2026
15
Briggs Management PartnersIndirect evidence
Boston, MA, United StatesHQ checked Sep 4, 202611-504

“SMART STRATEGIES.”

Source: company website · checked Sep 4, 2026
16
Dorian GroupIndirect evidence
Boston, MA, United StatesHQ checked Sep 4, 20261-104

“At Dorian Group our clients are experts with specialized knowledge and years of experience in a particular field.”

Source: company website · checked Sep 4, 2026
17Boston, MA, United StatesHQ checked Sep 4, 202611-503

“Experienced guidance from us.”

Source: company website · checked Sep 4, 2026
18
Summit AdvantageIndirect evidence
Boston, MA, United StatesHQ checked Sep 4, 20261-103

“Summit works with leadership teams to make meaningful, lasting change across the four areas that shape performance: Strategy, Culture, Brand, and Operational Systems.”

Source: company website · checked Sep 4, 2026
19
Alderbrook AdvisorsIndirect evidence
Boston, MA, United StatesHQ checked Sep 4, 20261-102

“We advise CEOs and boards on their leadership, particularly in times of transition - succession, growth, repositioning, restructuring.”

Source: company website · checked Sep 4, 2026
20
Altek ConsultingStrong evidence
Boston, MA, United StatesHQ checked Sep 4, 20261-102

“Altek Consulting is a high-impact management consulting firm, focused on helping technology companies achieve revenue growth and market penetration across multiple vertical…”

Source: company website · checked Sep 4, 2026
21
Leader Consulting GroupPartial evidence
Boston, MA, United StatesHQ checked Sep 4, 20261-102

“LCG is a consulting firm helping companies with change and growth.”

Source: company website · checked Sep 4, 2026
22
The Ripples GroupStrong evidence
Boston, MA, United StatesHQ checked Sep 4, 202611-501

“Founded in as an off-shoot from Bain & Company, The Ripples Group is a boutique management consultancy with a vibrant, international practice.”

Source: company website · checked Sep 4, 2026
23
A2e PartnersIndirect evidence
Boston, MA, United StatesHQ checked Sep 4, 20261-101

“At A2E partners, we provide our clients – growth stage technology companies – with customer-facing, business-critical expertise services on a permanent (Exec Search)…”

Source: company website · checked Sep 4, 2026

Showing 23 of 82 interim management consulting firms based in Boston, United States

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Interim management consulting firms based in Boston, United States at a glance

As of Sep 4, 2026
1-10Median size (employees)
New YorkLargest hub · 310 HQs
Contacts with mobile numbers
Sep 4, 2026Data refreshed

Companies by employee count

1-10
63
11-50
11
51-200
7
201-500
1

Email recency for this list is measured across the whole United States list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for Boston, over 82 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among interim management consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.

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
Companies headquartered in Boston, United States whose own description of what they do matches “interim management consulting firms”. Matching reads each company's description, not its industry code or its name.
What we exclude
Companies whose own description does not clearly place them among interim management consulting firms, and records with no verified work email. Companies headquartered outside Boston are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 353 across the full list. 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 4, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Interim management consulting firms by metro in the United States

Frequently asked

How many interim management consulting firms are there based in Boston, United States?

RevenueBase identified 82 interim management consulting firms headquartered in Boston, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Vantage Partners, headquartered in Boston, tops this list with the largest team on record.

Which city has the most interim management consulting firms?

New York leads with 310 headquartered companies, followed by Atlanta (184) and Chicago (175).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 353 verified decision-maker contacts tracked across these 82 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 4, 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.