Company lists · Data refreshed September 2026
Top 25 Outsourcing advisory firms based in Boston, United States
RevenueBase identified 92 outsourcing advisory firms headquartered in Boston, United States as of September 2026 and tracks 659 professional contacts across them, including 245 with verified work emails. New York is the largest hub.
This list covers outsourcing advisory 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 21, 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.
The 25 largest outsourcing advisory firms based in Boston, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 110 contacts → | ||||
Partial evidence “Progress Partners is a Boston and New York-based corporate advisory firm that works with buyers and sellers of emerging growth companies to complete M&A or private placement…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 77 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 66 contacts → | ||||
Indirect evidence “UpperEdge provides organizations with relevant market and supplier intelligence, tailored sourcing and negotiation strategies, and precise execution methodologies to generate more…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 49 contacts → | ||||
Indirect evidence “Founded in 1987, Versailles Group is a boutique investment banking firm specializing in mergers, acquisitions, divestitures, private placements, and fairness opinions.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 37 contacts → | ||||
Partial evidence “Fairmont Consulting Group is a Boston-based firm focused on due diligence and strategic advisory services for clients active in aerospace, defense, government services, and the…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 28 contacts → | ||||
Partial evidence “A leading Human Resource Advisory firm providing senior - level executive search and consulting services to clients primarily in the Healthcare, Pharmaceutical / Life Sciences and…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 24 contacts → | ||||
Partial evidence “Positively Partners specializes in HR outsourcing, management consulting and executive search.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 19 contacts → | ||||
Partial evidence “Highland Strategy Group is a consulting firm that provides strategic support and transaction advisory services to private equity firms, management teams, and investment banks.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 13 contacts → | ||||
Indirect 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 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 11 contacts → | ||||
Partial evidence “Bridging Excellence and Opportunity* Founded in 2002, Global Atlantic Partners is a global leader in financial consulting and outsourcing, dedicated to empowering businesses…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 9 contacts → | ||||
Indirect evidence “Our True North is to help.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 8 contacts → | ||||
Partial evidence “The ABplatform helps growth-focused CEOs and leadership teams build high-impact Advisory Boards and recruit the right talent to accelerate results.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 8 contacts → | ||||
Indirect evidence “We are a business that offers nearshore BPO, consulting, and staffing services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 7 contacts → | ||||
Partial evidence “Carlisle is a member of Ducker Carlisle, a global consulting and M&A advisory firm with an unrivalled continuum of insights, benchmarking and strategy solutions that optimize…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 5 contacts → | ||||
Strong evidence “KLR CFO Advisory + Outsourcing is an affiliate company of KLR, one of the largest CPA Firms in the Country.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 4 contacts → | ||||
Partial evidence “Boutique M&A advisory and consulting firm” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 4 contacts → | ||||
Indirect evidence “SMART STRATEGIES.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 3 contacts → | ||||
Partial evidence “Unlocking Your Business's Success Engagements tailored to drive your growth and profitability Durham Black is a strategic advisory firm specializing in Capital Structure, Growth…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 3 contacts → | ||||
Partial evidence “Ace Strategy Group is a M&A-focused advisory firm specializing in guiding organizations through the deal lifecycle.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 3 contacts → | ||||
Indirect evidence “Business Transfers & Strategies provides services to individuals seeking to buy a small or mid-sized business and to companies seeking to expand through acquisition.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 3 contacts → | ||||
Partial evidence “IGS is a trusted advisor supporting investors and business leaders through transactions, growth and portfolio value creation initiatives.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 3 contacts → | ||||
Indirect evidence “I believe that understanding the story behind a business is just as important as the numbers it produces.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 3 contacts → | ||||
Indirect evidence “BT Capital Group is a boutique, full-service Investment Bank and Consulting firm based in Boston, MA and Los Angeles, CA.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 2 contacts → | ||||
Partial evidence “The premier buy-side M&A advisory firm, delivering proprietary deal flow driven by rigorous research and execution.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 2 contacts → | ||||
Partial evidence “Harborside Advisory is an accounting advisory firm that specializes in providing clients with accounting consulting services and assisting with full-time placement needs.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: outsourcing advisory firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names outsourcing advisory firms.
- Partial evidence
- Its own public description names part of outsourcing advisory firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name outsourcing advisory firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 92 outsourcing advisory firms based in Boston, United States
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Outsourcing advisory firms based in Boston, United States at a glance
As of Sep 21, 2026Companies by employee count
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 92 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 outsourcing advisory 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 “outsourcing advisory 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 outsourcing advisory 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 outsourcing advisory 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, 245 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 21, 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.
Outsourcing advisory firms by metro in the United States
- Outsourcing advisory firms in New York479
- Outsourcing advisory firms in Atlanta171
- Outsourcing advisory firms in Chicago163
- Outsourcing advisory firms in Houston157
- Outsourcing advisory firms in Los Angeles148
- Outsourcing advisory firms in Miami132
- Outsourcing advisory firms in Dallas131
- Outsourcing advisory firms in Austin120
- Outsourcing advisory firms in San Francisco99
- Outsourcing advisory firms in Washington97
- Outsourcing advisory firms in Boston92
- Outsourcing advisory firms in San Diego80
- Outsourcing advisory firms in Denver77
- Outsourcing advisory firms in Seattle69
- Outsourcing advisory firms in Phoenix61
- Outsourcing advisory firms in Charlotte57
- Outsourcing advisory firms in Tampa55
- Outsourcing advisory firms in Orlando47
- Outsourcing advisory firms in Minneapolis45
- Outsourcing advisory firms in Irvine44
- Outsourcing advisory firms in Philadelphia44
- Outsourcing advisory firms in San Jose40
- Outsourcing advisory firms in Nashville38
- Outsourcing advisory firms in New York City38
- Outsourcing advisory firms in Scottsdale37
- Outsourcing advisory firms in San Antonio36
- Outsourcing advisory firms in Las Vegas34
- Outsourcing advisory firms in Newport Beach34
- Outsourcing advisory firms in Columbus33
- Outsourcing advisory firms in Raleigh31
- Outsourcing advisory firms in Sheridan31
- Outsourcing advisory firms in Boca Raton30
- Outsourcing advisory firms in Pittsburgh29
- Outsourcing advisory firms in Wilmington29
- Outsourcing advisory firms in Cincinnati28
- Outsourcing advisory firms in Fort Lauderdale28
- Outsourcing advisory firms in Frisco28
- Outsourcing advisory firms in Portland27
- Outsourcing advisory firms in Salt Lake City27
- Outsourcing advisory firms in Cleveland26
- Outsourcing advisory firms in Alpharetta25
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 outsourcing advisory 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 outsourcing advisory firms are there based in Boston, United States?
RevenueBase identified 92 outsourcing advisory 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?
Progress Partners, headquartered in Boston, tops this list with the largest team on record.
Which city has the most outsourcing advisory firms?
New York leads with 479 headquartered companies, followed by Atlanta (171) and Chicago (163).
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 245 verified decision-maker contacts tracked across these 92 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 21, 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.
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