| # | Company | Employees |
|---|---|---|
| 1 |
The Kraft Group & Affiliatesthekraftgroup.com
Holding company with diverse interests in paper manufacturing, sports, real estate, private equity, and philanthropy across global markets. |
2,643 |
| 2 |
Bain Capitalbaincapital.com
Global investment firm managing assets across private equity, credit, public equity, venture capital, and real estate to create impact for diverse stakeholders. |
2,294 |
| 3 |
PSGpsgequity.com
An experienced growth equity firm partnering with software and tech-enabled services companies to drive transformational growth, strategic opportunities, and team building |
1,589 |
| 4 |
HarbourVest Partnersharbourvest.com
An independent global private markets firm with over 40 years of experience managing $117 billion in assets, offering diverse investment opportunities worldwide |
1,443 |
| 5 |
Adventadventinternational.com
Global private equity investor founded in 1984 with $91 billion in assets under management, focusing on investments in various sectors across 42 countries |
1,339 |
| 6 | 1,239 | |
| 7 |
Berkshireberkshireresidentialinvestments.com
A people-focused investment management company specializing in US residential real estate, managing $275 billion in assets for global institutional clients |
1,083 |
| 8 |
TA Associatesta.com
A global private equity firm specializing in scaling growth in profitable companies across technology, healthcare, financial services, consumer, and business services industries |
880 |
| 9 |
Northlandnorthland.com
Private equity firm specializing in acquisition, development, ownership, and management of multifamily and mixed-use real estate assets. |
628 |
| 10 |
Summit Partnerssummitpartners.com
Global investment firm focusing on growth equity, fixed income, and public equity across technology, healthcare, and diverse growth sectors. |
588 |
| 11 | 566 | |
| 12 |
Audax Groupaudaxgroup.com
Alternative investment manager specializing in private equity, private debt, and strategic capital for middle market companies across multiple offices. |
471 |
| 13 |
Allied Mindsalliedminds.com
Early-stage investor in technology and life sciences, originating from US federally funded labs and universities, focusing on breakthrough science in connectivity, space, and medical devices |
400 |
| 14 |
Berkshire Partnersberkshirepartners.com
Specialist investor focusing on U.S. middle-market companies across services, healthcare, industrials, and technology sectors with growth partnerships. |
288 |
| 15 |
Battery Venturesbattery.com
Invests globally in cutting-edge software, IT infrastructure, consumer internet, mobile services, and industrial technology companies at various growth stages. |
252 |
| 16 |
Building Industry Partnersbuildingip.com
A private equity firm focused on the US building industry, building exceptional businesses, generating strong returns, and supporting broad-based employee ownership |
229 |
| 17 |
Charlesbank Capital Partnerscharlesbank.com
Middle-market private investment firm specializing in management-led buyouts, growth capital, opportunistic credit, and technology investments with flexible structures. |
213 |
| 18 |
THL Partnersthl.com
Boston-based private equity firm investing in middle-market growth companies in Financial Technology & Services, Healthcare, and Technology & Business Solutions Expertise in generating superior returns |
204 |
| 19 |
Highland Capital Partnershcp.com
venture capital firm investing over 3 billion dollars in more than 270 technology companies prioritizing entrepreneurs and innovation |
202 |
| 20 | 200 | |
| 21 |
Launchpad Venture Grouplaunchpadventuregroup.com
Boston-area angel investing group focused on early stage investments in tech and life sciences Largest in Northeast, active in US Learn more at website |
176 |
| 22 |
Underscore VCunderscore.vc
Early-stage venture capital firm in Boston supporting entrepreneurs with tailored community support to help meet their unique needs |
144 |
| 23 |
Great Hill Partnersgreathillpartners.com
Private equity firm investing $100M-$750M in high-growth software, financial services, healthcare, consumer, and business services companies. |
118 |
| 24 |
F-Primefprimecapital.com
A global venture capital firm rooted in entrepreneurship, backing groundbreaking companies in technology and life sciences with over $2 trillion in assets under management |
116 |
| 25 |
Dorm Room Funddormroomfund.com
Investment fund supporting student founders with mentorship and funding, helping them launch their entrepreneurial careers and build a strong community |
100 |
| 26 |
HighVista Strategieshighvistastrategies.com
Employee-owned alternative asset manager in Boston since 2004, managing $10 billion globally Specializing in structurally inefficient markets for high-conviction investment opportunities |
95 |
| 27 |
Constitution Capital Partnersconcp.com
A leading alternative asset manager in private equity and credit, specializing in disciplined, value-oriented investments with a strong track record |
88 |
| 28 |
OpenViewopenviewpartners.com
OpenView, a venture capital firm, invests in expansion-stage business software companies, providing operational expertise to help them scale effectively. |
76 |
| 29 |
Glasswing Venturesglasswing.vc
An early stage investor focused on AI and frontier technology startups, supporting exceptional entrepreneurs from top academic institutions to foster growth |
75 |
| 30 |
Oxbridge Groupoxbridgenetwork.com
A diversified group with operations in multiple countries, specializing in education, property development, venture capital, real estate, trading, and technology development |
72 |
| 31 |
Volition Capitalvolitioncapital.com
A growth equity firm investing in high-growth technology businesses with $5-50 million in revenue, focusing on software, Internet, and tech-enabled services companies |
57 |
| 32 |
Cove Hill Partnerscovehillpartners.com
A private equity firm partnering with management teams to build leading consumer and technology companies, managing a capital base over $25 billion |
55 |
| 33 | 54 | |
| 34 |
Companyon Venturescompanyon.vc
Venture capital firm investing in seed-funded B2B software startups, guiding them towards Series A funding and $10M in annual revenue through an immersive expansion program |
54 |
| 35 |
BasisTechbasistech.com
This company works with entrepreneurs to refine ideas, attract talent, access capital, and accelerate growth for high-tech startups |
54 |
| 36 |
Solamere Capital, LLCsolamerecapital.com
Private equity firm established in 2008, specializing in investing in middle market companies with a focus on leveraging their extensive network of industry executives |
46 |
| 37 |
Catalyst Health Ventureschv.vc
A MedTech investment firm focusing on early-stage therapeutic devices, diagnostics, and digital health solutions that improve healthcare outcomes globally |
44 |
| 38 |
Venture Guidesventureguides.com
early-stage infrastructure software investment firm providing strategic guidance, industry connections, and concentrated portfolio support for startup growth |
43 |
| 39 |
Battery Global Advisorsbga.com
An independent investment manager offering alternative solutions for institutional investors and accredited individuals, with roots tracing back to 2001 |
42 |
| 40 |
Riverside Partnersriversidepartners.com
Boston-based private equity firm investing in growth-oriented healthcare and technology companies in North America, with a focus on business building and value creation |
42 |
| 41 |
Webster Equity Partnerswebsterequitypartners.com
Private equity firm specializing in healthcare services, providing equity financing and expertise for management buyouts and growth capital for companies with EBITDA between $3M and $25M |
41 |
| 42 |
Fifth Down Capitalfifthdown.com
Investment firm focusing on private companies in internet, software, consumer, and fintech industries, supporting innovative individuals to shape the future |
40 |
| 43 |
Conjoin Groupconjoingroup.com
This company partners with Venture Capital and Private Equity firms, investing $250M to enhance portfolio company operations and drive revenue growth |
39 |
| 44 |
Asymmetricacp.vc
The company partners with disruptive tech companies, provides transparent capital, and relies on a network of operators to identify and support innovative ideas |
37 |
| 45 |
CVPconverge.vc
Early-stage VC fund providing capital and connections for tech entrepreneurs in Cambridge, NYC, and Eastern Canada, focusing on software and cutting-edge technology ventures |
36 |
| 46 |
Guidepost Growth Equityguidepostgrowth.com
Growth equity firm specializing in partnering with technology companies in North America, providing capital, operational support, and strategic guidance for success |
36 |
| 47 |
Shepherd Kaplan Krochuk, LLCskk-llc.com
Wealth management company offering a wide range of services for individuals, family offices, and institutions, including alternative asset investment capabilities |
36 |
| 48 |
Taihill Venturetaihill.vc
A group of young leaders invest in disruptive startups, supporting entrepreneurs driving change with breakthrough technologies and global networks |
35 |
| 49 |
Link Ventureslinkventures.com
Early-stage tech investment firm focusing on data science, machine learning, and AI to help startups solve corporate and consumer needs with long-term support and industry expertise |
34 |
| 50 |
Boston Harbor Angelsbostonharborangels.com
An angel investing group providing funding, guidance, and mentorship to early-stage companies in various industries to help them succeed and grow |
31 |
| 51 |
The Engineengine.xyz
An organization specializing in bridging the gap between discovery and commercialization for breakthrough inventions, with a focus on Tough Tech founders They aim to address challenging global issues |
31 |
| 52 |
Elephantelephantvc.com
A venture capital firm investing in enterprise software, consumer internet, and mobile markets, driving growth and innovation in tech startups |
30 |
| 53 |
M|C Partnersmcpartners.com
Private equity firm investing in small and mid-size businesses in digital infrastructure and technology services, focusing on growth and long-term value creation |
30 |
| 54 |
HLM Investment Partnershlminvestmentpartners.com
A leading healthcare investment firm that provides capital to innovative healthcare technology and services companies, with a focus on quality and cost reduction |
30 |
| 55 |
Visible Handsvisiblehands.vc
Venture capital firm supporting underrepresented founders with funding, hands-on support, and community through investments, accelerators, fellowships, and retreats |
29 |
| 56 |
Tiger Iron Capitaltigerironcapital.com
Passionate institutional fund of funds manager focusing on venture capital, partnering with elite firms to invest in transformational companies |
28 |
| 57 |
Commonwealth Capitalcommonwealthvc.com
Venture capital firm investing in early and growth stage technology companies, offering guidance and expertise to portfolio companies across various industries |
27 |
| 58 |
January Venturesjanuary.ventures
A VC fund focusing on angel/pre-seed investments in US & Europe, replacing friends & family rounds to support diverse, visionary founders |
27 |
| 59 |
Mission BioCapitalmissionbiocapital.com
Venture capital firm makes pivotal early-stage investments in biotech companies, providing lab space, capital, and strategic partners from idea to exit. |
27 |
| 60 |
K2 HealthVenturesk2hv.com
A healthcare-focused investment firm offering flexible, long-term financing solutions to innovative companies in life sciences and healthcare industries |
26 |
| 61 |
WestView Capital Partnerswvcapital.com
Private equity firm in Boston that focuses on lower middle market companies, providing equity investments tailored to shareholders' needs for various transactions |
25 |
| 62 |
Clearhaven Partnersclearhavenpartners.com
Private equity firm specializing in software-based technology companies in the middle market Focus on integrity, partnership, and delivering results |
25 |
| 63 |
Sverica Capital Managementsverica.com
A growth-oriented private equity firm investing in lower middle market companies with a focus on technology, software, healthcare, and advanced industrial sectors |
25 |
| 64 |
Myriad Venture Partnersjobs.myriadventures.com
Early-stage venture firm investing in AI, B2B software, and clean technologies to shape the next generation of business solutions |
25 |
| 65 |
Knightsbridge Advisers LLCknightsbridgevc.com
This company specializes in building portfolios of venture capital relationships, providing institutional investors access to top-performing venture managers for investments in growth equity partnerships |
24 |
| 66 |
EAM (Equality Asset Management)equalityam.com
A growth-focused private equity firm providing equity capital and strategic support to technology and tech-enabled service companies for long-term growth |
24 |
| 67 |
Eastward Capitaleastwardcp.com
A seasoned private debt provider offering venture debt and equity financing to technology companies, focusing on Information Technology, Communications, Clean Technology, and Healthcare |
22 |
| 68 |
Hastings Equity Partnershastingsequity.com
Private equity firm investing in North American founder-led companies in industrial and business services sectors to empower growth through strategic support and operational enhancement |
22 |
| 69 |
Stride Consumer Partnersstrideconsumer.com
Private equity firm partnering with founders to build consumer brands Provides growth equity in food & beverage, beauty, active lifestyle, and consumer services |
19 |
| 70 |
Suffolk Technologiessuffolktech.com
Venture capital firm investing in startups revolutionizing construction and real estate with Suffolk's resources and expertise to drive technology innovation |
18 |
| 71 |
Walnut Ventureswalnutventures.com
A group of experienced entrepreneurs and executives investing in and mentoring Boston-area seed and early stage technology-based companies |
17 |
| 72 |
Cue Ball Capitalcueball.com
Venture capital firm focused on investing in entrepreneurs with great ideas, strong business fundamentals, and a shared culture for value-add partnerships |
17 |
| 73 |
IDEO CoLab Venturesideocolab.com
Partner with visionary founders using design expertise to create innovative products and protocols that resonate deeply with users. |
17 |
| 74 |
G20 Venturesg20vc.com
Capital partner supporting new businesses with strategic funding, storytelling, and networking to facilitate geometric growth and transform ideas into reality |
17 |
| 75 |
Accomplice VCaccomplice.co
Venture firm and family office focused on high conviction investments, founded by Jeff Fagnan and Ryan Moore Concentrated, patient investors |
16 |
| 76 |
Vestigo Venturesvestigoventures.com
An early-stage venture capital firm investing in technology startups focused on financial services, using big data expertise and financial industry insight for successful investments and growth |
16 |
| 77 |
J.W. Childs Associates
A company specializing in investment management, providing services related to managing and growing clients' financial portfolios and assets |
16 |
| 78 |
Safar Partnerssafar.partners
A venture fund investing in technology companies originating from top universities, focusing on cleantech, AI/IT, robotics, and life science/medical devices |
16 |
| 79 |
MassMutual Venturesmassmutualventures.com
Funds enterprise SaaS, climate technology, fintech, cybersecurity, healthtech companies from seed to growth stage, providing capital and strategic access to resources. |
15 |
| 80 |
Character Capitalcharacter.vc
The company provides seed capital and assists startups in achieving product-market fit through the Sprint method developed at GV |
14 |
| 81 |
Smith Point Capitalsmithpointcapital.com
A capital firm led by tech experts, specializing in partnering with innovative enterprise software companies to boost revenue, innovation, and market success |
14 |
| 82 |
Om Venturesomventures.us
An investment company specializing in early-stage startups led by innovative entrepreneurs pioneering new markets with disruptive business models |
13 |
| 83 |
Innospark Venturesinnospark.vc
Early-stage venture capital firm exclusively focused on AI, providing expertise, support, and an expansive network to technical founders, along with extensive experience and mentorship |
13 |
| 84 |
Romulus Capitalromuluscap.arkpes.com
Early-stage technology venture capital firm investing in brilliant entrepreneurs, focused on company-building and long-term partnerships for industry-leading ambitions |
13 |
| 85 |
North Bridge Venture Partnersnorthbridge.com
Venture capital firm investing in disruptive technologies like open source, cloud computing, and mobile, supporting startups from seed to growth stage Conducts annual industry surveys |
13 |
| 86 |
Hyperplanehyperplane.vc
A company that partners with innovative founders using machine intelligence, sensor tech, and cloud computing to solve complex global challenges |
13 |
| 87 |
Castanea Partnerscastaneapartners.com
Private equity firm investing $15-$150 million in consumer brands across beauty, food, services, providing strategic and operational support. |
13 |
| 88 |
milemarkโขcapital
Early-stage venture capital firm investing in diverse teams utilizing applied AI to revolutionize traditional business models |
13 |
| 89 |
Converge VCconverge.vc
A Boston-based venture firm providing long-term capital to B2B tech entrepreneurs with a network of experienced tech executives |
12 |
| 90 |
Saturn Partnerssaturnpartnersvc.com
A hands-on investor specializing in seed and early stage venture capital opportunities, with a focus on technology, energy, and biotechnology sectors |
12 |
| 91 |
AccelHUB Venture Partnersscaleuplabs.vc
This company invests in international startups with novel technologies, provides guidance for US market entry, and connects founders with resources for strong exits |
12 |
| 92 |
Palladin Consumer Retail Partners, LLCpcrp.com
Private equity firm based in Boston, specializing in consumer and retail companies in North America Focus on creating value through strategic initiatives and investments |
12 |
| 93 |
Cybernetix Venturescybernetix.vc
Investment firm specializing in early-stage robotics, automation, and AI startups, connecting them to global ecosystems and expertise. |
12 |
| 94 |
KSV Globalksvglobal.com
Boston-based investment firm specializing in growth equity investments in US, Europe, and Asia Experienced in various sectors seeking strong business models for robust growth |
11 |
| 95 | 10 | |
| 96 |
Project 11project11.com
Venture capital fund investing in early stage technology and software companies, working closely with founders to build their businesses and continue investing in later rounds |
10 |
| 97 |
Globespan Capital Partnersglobespancapital.com
Venture capital firm specializing in investing in startups in IT infrastructure, SaaS, mobile, and Internet industries to help them scale and realize their potential |
9 |
| 98 |
Audubon Capital Partnersauduboncp.com
Private equity real estate firm investing in select US markets, creating value for investors and partners through pursuit of new opportunities Focus on resident and tenant satisfaction |
8 |
| 99 |
Breakaway Venturesbreakaway.com
This company invests in emerging consumer brands at a growth stage, providing capital and expertise to accelerate business growth and value creation |
8 |
| 100 |
Evans Capitalevanscapital.com
Private investment fund focusing on early-stage venture capital investments in technology, health care, and other growth industries Active, value-added investor in high performing venture funds |
8 |
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Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Oct 24, 2026.
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The same list elsewhere in United States
- Venture capital and private equity firms in the United States 2,659
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- Venture capital and private equity firms in New York State 678
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- Venture capital and private equity firms in Florida 136
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- Venture capital and private equity firms in Connecticut 59
- Venture capital and private equity firms in Colorado 47
- Venture capital and private equity firms in Pennsylvania 39
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- Venture capital and private equity firms in Boston 91
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- Venture capital and private equity firms in Palo Alto 87
- Venture capital and private equity firms in Menlo Park 79
- Venture capital and private equity firms in Austin 73
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- Venture capital and private equity firms in Dallas 37
- Venture capital and private equity firms in Atlanta 35