Company lists · Data refreshed September 2026

Top 9 Freelancer consulting firms based in Boston, United States

RevenueBase identified 40 freelancer consulting firms headquartered in Boston, United States as of September 2026 and tracks 643 professional contacts across them, including 176 with verified work emails. Across the United States, New York is the largest hub for this category (215 companies); Boston has 40.

This list covers freelancer 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 27, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 RevenueBase Smart Search rating on every row Refreshed Sep 27, 2026 86% judged on-target in blind review
40Companies
643Contacts tracked
176Verified emails
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The 9 largest freelancer consulting firms based in Boston, United States

Ranked by team size
Top 9 of 40 freelancer consulting firms based in Boston, United States, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to freelancer consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceBoston, MA, United StatesHQ checked Sep 27, 2026201-500322 contacts →

Partial evidence

“Drummond Advisors provides global consulting services to companies focusing on accounting, tax, legal and business development.”

Source: RevenueBase Database · checked Sep 27, 2026
2Partial evidenceBoston, MA, United StatesHQ checked Sep 27, 202611-5031 contacts →

Partial evidence

“Vi-Leon is a specialized Life Sciences consulting firm that provides hiring managers with the necessary resources to efficiently and effectively fill even the most niche positions.”

Source: RevenueBase Database · checked Sep 27, 2026
3Partial evidenceBoston, MA, United StatesHQ checked Sep 27, 202651-20013 contacts →

Partial evidence

“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: RevenueBase Database · checked Sep 27, 2026
4Partial evidenceBoston, United StatesHQ checked Sep 27, 20261-1010 contacts →

Partial evidence

“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: RevenueBase Database · checked Sep 27, 2026
5Partial evidenceBoston, MA, United StatesHQ checked Sep 27, 20261-104 contacts →

Partial evidence

“Massilva Consulting helps growing companies build scalable people operations that support long-term business growth.”

Source: RevenueBase Database · checked Sep 27, 2026
6Indirect evidenceBoston, MA, United StatesHQ checked Sep 27, 20261-101 contacts →

Indirect evidence

“The Works is a Boston-based recruiting firm focused squarely on marketing, communications and creative talent delivery.”

Source: RevenueBase Database · checked Sep 27, 2026
7Partial evidenceBoston, MA, United StatesHQ checked Sep 27, 20261-101 contacts →

Partial evidence

“GCG is a boutique consulting firm that provides entrepreneurs and small businesses with simple solutions to identify and solve operational inefficiencies.”

Source: RevenueBase Database · checked Sep 27, 2026
8Partial evidenceBoston, MA, United StatesHQ checked Sep 27, 20261-101 contacts →

Partial evidence

“EMK Consulting Group is a professional services consulting firm providing the following services-Business Development Coaching -Business Development Planning and Consulting…”

Source: RevenueBase Database · checked Sep 27, 2026
9Indirect evidenceBoston, MA, United StatesHQ checked Sep 27, 20261-101 contacts →

Indirect evidence

“In the 21st century marketplace-there is no such thing as “steady state”.”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 9 of 40 freelancer consulting firms based in Boston, United States

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Freelancer consulting firms based in Boston, United States at a glance

As of Sep 27, 2026
27.4%Verified-email coverage
16.1Average contacts per company
1-10Median size (employees)
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
32
11-50
5
51-200
2
201-500
1

Email recency for this list is measured across the whole United States list rather than for Boston, so it is reported there. Company counts and contact totals on this page are exact for Boston, over 40 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 freelancer consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search 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 Smart Search, 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 “freelancer consulting firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names freelancer consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among freelancer 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 its RevenueBase Smart Search 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, 176 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 27, 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.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names freelancer consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

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

RevenueBase identified 40 freelancer 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?

Drummond Advisors, headquartered in Boston, tops this list with the largest team on record.

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

New York leads the United States with 215 headquartered companies, followed by Atlanta (120) and Chicago (88). Boston has 40.

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 176 verified decision-maker contacts tracked across these 40 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 27, 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 Smart Search, 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.