Company lists · Data refreshed September 2026

Top 25 Boutique investment banks based in Boston, United States

Name: Boutique investment banks based in Boston, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 122 companies tracked

RevenueBase identified 122 company matches for boutique investment banks associated with Boston, United States as of September 2026 and tracks 2,884 professional contacts across them, including 1,611 with verified work emails. Across the United States, New York is the largest hub for this category (1,035 companies); Boston has 122.

This list covers company matches for boutique investment banks associated with Boston, 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 16, 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 16, 2026 How this list was built

122Companies

2,884Contacts tracked

1,611Verified emails

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The 25 largest boutique investment banks based in Boston, United States

Ranked by team size

Top 25 of 122 company matches for boutique investment banks based in Boston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 16, 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	Baystate Financial	Exact match	Boston, MA, United StatesHQ recorded Sep 16, 2026	501-1,000	506 contacts →
	Exact match “For over a century, Baystate Financial has been helping clients gain clarity and financial independence-empowering them to build, protect, and distribute wealth with confidence.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
2	Leerink Partners	Exact match	Boston, MA, United StatesHQ recorded Sep 16, 2026	201-500	421 contacts →
	Exact match “Leerink Partners is a highly specialized healthcare investment bank with a legacy of excellence in the financial industry.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
3	Capstone Partners	Exact match	Boston, MA, United StatesHQ recorded Sep 16, 2026	51-200	276 contacts →
	Exact match “For over 20 years, Capstone Partners has been a trusted advisor to leading middle market companies, offering a fully integrated range of investment banking and financial advisory…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
4	Williamsmarston	Exact match	Boston, MA, United StatesHQ recorded Sep 16, 2026	201-500	259 contacts →
	Exact match “WilliamsMarston is a national leader in complex accounting, tax, technology, transaction and valuation advisory services.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
5	Progress Partners	Exact match	Boston, MA, United StatesHQ recorded Sep 16, 2026	11-50	110 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
6	AGC Partners	Exact match	Boston, MA, United StatesHQ recorded Sep 16, 2026	51-200	109 contacts →
	Exact match “AGC Partners is a global technology investment bank focused on middle market M&A and growth equity financings for emerging growth companies.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
7	G2 Capital Advisors	Exact match	Boston, MA, United StatesHQ recorded Sep 16, 2026	51-200	95 contacts →
	Exact match “G2 Capital Advisors is an integrated multi-product, sector-focused boutique investment bank.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
8	London Economics International LLC	Exact match	Boston, MA, United StatesHQ recorded Sep 16, 2026	11-50	67 contacts →
	Exact match “London Economics International LLC (“LEI”) is a global economic, financial, and strategic advisory professional services firm specializing in energy and infrastructure.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
9	Shea & Company	Exact match	Boston, MA, United StatesHQ recorded Sep 16, 2026	11-50	66 contacts →
	Exact match “Shea & Company (member FINRA and SIPC) is a software focused investment bank that believes focus underpins success, and success is measured by the outcomes we achieve with our…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
10	Wellesley Hills Financial LLC	Exact match	Boston, MA, United StatesHQ recorded Sep 16, 2026	11-50	64 contacts →
	Exact match “Founded 2007 in Boston, MA, our firm began as a strategic advisory and banking practice focused on the bleeding edge of payments technology.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
11	Monument Group	Exact match	Boston, MA, United StatesHQ recorded Sep 16, 2026	11-50	59 contacts →
	Exact match “Monument Group is a leading global independent full-service capital advisory and fundraising partner in alternative investments with offices in the U.S, Europe and Asia.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
12	Provident Healthcare Partners	Exact match	Boston, MA, United StatesHQ recorded Sep 16, 2026	11-50	58 contacts →
	Exact match “Provident is the leading investment banking firm specializing in merger and acquisition advisory, strategic planning, and capital formation for middle-market and emerging growth…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
13	Versailles Group, LTD	Exact match	Boston, MA, United StatesHQ recorded Sep 16, 2026	11-50	49 contacts →
	Exact match “Founded in 1987, Versailles Group is a boutique investment banking firm specializing in mergers, acquisitions, divestitures, private placements, and fairness opinions.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
14	Aeris Partners	Exact match	Boston, MA, United StatesHQ recorded Sep 16, 2026	11-50	49 contacts →
	Exact match “Aeris Partners LLC is a premier technology M&A investment bank serving high-growth, market-shaping software, SaaS (software-as-a-service), digital media, business information and…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
15	Covington Associates	Exact match	Boston, MA, United StatesHQ recorded Sep 16, 2026	11-50	36 contacts →
	Exact match “Covington Associates is an investment banking firm offering advisory services in the areas of M&A, capital raising, strategic advisory, fairness opinions, and valuations to…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
16	Outcome Capital	Exact match	Boston, MA, United StatesHQ recorded Sep 16, 2026	11-50	35 contacts →
	Exact match “Outcome Capital is a highly specialized life sciences and healthcare advisory and investment banking firm, providing innovative companies with a value-added, market-aligned…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
17	Shepherd Kaplan Krochuk, LLC	Exact match	Boston, MA, United StatesHQ recorded Sep 16, 2026	51-200	32 contacts →
	Exact match “Shepherd Kaplan Krochuk, LLC (SKK) offers a wide variety of wealth management services, along with alternative asset investment capabilities.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
18	BOWEN	Exact match	Boston, MA, United StatesHQ recorded Sep 16, 2026	11-50	32 contacts →
	Exact match “Bowen partners with growth tech companies to drive value creation within the innovation economy.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
19	Chestnut Partners, INC	Exact match	Boston, MA, United StatesHQ recorded Sep 16, 2026	11-50	29 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
20	Brighton House Associates	Exact match	Boston, MA, United StatesHQ recorded Sep 16, 2026	1-10	24 contacts →
	Exact match “Brighton House is a leading placement and advisory firm to global private markets partners.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
21	Winslow, Evans & Crocker, INC	Exact match	Boston, MA, United StatesHQ recorded Sep 16, 2026	51-200	24 contacts →
	Exact match “Experience.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
22	Bellmark Partners, LLC	Exact match	Boston, MA, United StatesHQ recorded Sep 16, 2026	11-50	20 contacts →
	Exact match “BellMark Partners, LLC is an independent investment bank that provides M&A advisory and investment banking services to middle market companies.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
23	Financeboston	Exact match	Boston, MA, United StatesHQ recorded Sep 16, 2026	11-50	19 contacts →
	Exact match “FinanceBoston, Inc.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
24	Whipstitch Capital	Exact match	Boston, MA, United StatesHQ recorded Sep 16, 2026	11-50	19 contacts →
	Exact match “Whipstitch Capital is a specialized investment bank that provides mergers & acquisitions and private placement advisory services to consumer products companies.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
25	Highland Strategy Group	Exact match	Boston, MA, United StatesHQ recorded Sep 16, 2026	11-50	19 contacts →
	Exact match “Highland Strategy Group is a consulting firm that provides strategic support and transaction advisory services to private equity firms, management teams, and investment banks.” Recorded in the RevenueBase company graph · Sep 16, 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 “boutique investment banks”. 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 122 boutique investment banks based in Boston, United States

See the full list, filter by size, metro and specialty, and access 1,611 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Boutique investment banks based in Boston, United States at a glance

As of Sep 16, 2026

55.9%Verified-email coverage

23.6Average contacts per company

1-10Median size (employees)

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

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 122 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 Boston, United States whose business descriptions match “boutique investment banks” 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 1,611 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 16, 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.

Boutique investment banks 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 “boutique investment banks”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many boutique investment banks are there based in Boston, United States?

RevenueBase identified 122 company matches for boutique investment banks associated with Boston, 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?

Baystate Financial 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 boutique investment banks?

New York leads the United States with 1,035 company records, followed by Chicago (237) and Los Angeles (200). Boston has 122.

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 1,611 professional contacts with verified work emails tracked across these 122 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 16, 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.