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List of financial services firms in Greenwich

Tamtam tracks 31 financial services firms headquartered in Greenwich. This list ranks all of them by number of employees on LinkedIn, led by Interactive Brokers, W. R. Berkley Corporation and AQR Capital Management. Their median headcount is 25. Half of them were founded in 2005 or later.

馃嚭馃嚫 Greenwich31 companiesUpdated Oct 24, 2026
#CompanyIndustryHeadquarters EmployeesFounded
1
Interactive Brokersinteractivebrokers.com

Provides automated trade execution and custody for diverse financial instruments across global markets, offering advanced tools and research at low cost.

Financial Services 馃嚭馃嚫 Greenwich 3,506 n/a
2
W. R. Berkley Corporationberkley.com

Holding company for insurance and reinsurance businesses, specializing in niche markets globally with property casualty coverage in the United States.

Insurance 馃嚭馃嚫 Greenwich 2,624 1967
3
AQR Capital Managementaqr.com

Global investment management firm combining economics, behavioral finance, data, and technology to optimize client portfolio performance worldwide.

Financial Services 馃嚭馃嚫 Greenwich 957 1998
4
Silver Point Capital, L.P.silverpointcapital.com

Leading global credit investing firm with a dedicated team, overseeing billions in assets across direct lending, liquid performing credit, and special situations investment strategies.

Financial Services 馃嚭馃嚫 Greenwich 441 2002
5
Stone Point Capitalstonepoint.com

Investment firm in Greenwich, CT with $45B assets under management targeting financial services industry investments through private equity, credit funds, and financing solutions

Financial Services 馃嚭馃嚫 Greenwich 254 n/a
6
Berkley Re (a Berkley Company)berkleyre.com

Global reinsurance provider offering treaty and facultative reinsurance solutions to insurance companies and self-insured businesses worldwide through local experts in key regions

Insurance 馃嚭馃嚫 Greenwich 183 n/a
7
Edgewood Management LLCedgewood.com

Management of large cap growth portfolios focusing on high-quality companies with strong earnings, balance sheets, and long-term investment horizons.

Investment Management 馃嚭馃嚫 Greenwich 80 1974
8
Paloma Partners Management Companypaloma.com

A multi-strategy investment adviser focusing on generating long-term, low correlated returns by partnering with innovative investment talent globally

Financial Services 馃嚭馃嚫 Greenwich 77 1981
9
Weeden & Co.pipersandler.com

A trusted institutional trading firm since 1922, offering premier execution services with a focus on client relationships, senior management involvement, and a partnership-based culture

Financial Services 馃嚭馃嚫 Greenwich 75 1922
10
Axiom Investorsaxiominvestors.com

Employee-owned investment management firm with a dynamic growth approach based in Greenwich, CT, specializing in global, international, and emerging market equity portfolios

Investment Management 馃嚭馃嚫 Greenwich 67 1998
11
Leverage Shares EUleverageshares.com

A European leader in leveraged and inverse exchange traded products, offering magnified exposure for experienced traders through physical replication Capital at risk

Financial Services 馃嚭馃嚫 Greenwich 53 2017
12
Chatsworth Securities LLCchatsworthgroup.com

Investment banking firm specializing in advisory services, private capital raising, M&A, IPOs, and equity offerings across high-growth industries.

Investment Banking 馃嚭馃嚫 Greenwich 48 1996
13
Southfield Capitalsouthfieldcapital.com

Private equity firm investing in growing North American companies in the lower middle market with $4-15 million EBITDA, strong leadership, and attractive growth and profitability trends

Venture Capital and Private Equity Principals 馃嚭馃嚫 Greenwich 38 2005
14
ParaFi Capitalparafi.com

Alternative asset management firm specializing in hedge fund and venture capital strategies within the digital asset ecosystem Trusted by global institutions since 2018

Investment Management 馃嚭馃嚫 Greenwich 30 2018
15
Starwood Energy Groupstarwoodenergygroup.com

Energy infrastructure investment firm specializing in natural gas and renewable power generation, transmission assets, managing over $2 billion in equity commitments

Investment Management 馃嚭馃嚫 Greenwich 27 2005
16
CenterBook Partners LPcenterbook.com

A multinational firm specializing in alternative investments on a global scale

Investment Management 馃嚭馃嚫 Greenwich 25 2020
17
DBidbi.co

New York-based investment management firm specializing in liquid alternative strategies aiming to outperform hedge fund indices using futures and ETFs

Financial Services 馃嚭馃嚫 Greenwich 24 2012
18
Plainfield Asset Managementpfam.com

An investment management firm based in Connecticut, managing capital for institutions and high net worth individuals in the US and abroad

Financial Services 馃嚭馃嚫 Greenwich 24 2005
19
QFS Asset Management, L.P.qfsfunds.com

A leading asset and risk management firm providing superior non-correlated returns across major asset classes, with expertise in customized solutions

Financial Services 馃嚭馃嚫 Greenwich 16 1988
20
Good Hill Partners LPgoodhillpartners.com

Private investment firm specializing in structured products and fixed income markets, managing capital for clients with diverse return and liquidity profiles Committed to transparency and fiduciary standards

Investment Management 馃嚭馃嚫 Greenwich 15 2006
21
10T Holdings10tfund.com

Investing in growth stage private companies in the digital asset ecosystem, focusing on blue-chip companies that will shape the future

Investment Management 馃嚭馃嚫 Greenwich 14 2019
22
Cardinal Capital Management, L.L.C.cardcap.com

An established investment firm specializing in small and mid-cap value equity investing, focused on producing high-quality results using a free cash flow driven strategy

Investment Management 馃嚭馃嚫 Greenwich 13 1995
23
Endeavour Capital Advisors Inc.endcap.com

Boutique asset management firm in Greenwich, CT investing in financial services sector through public and private equities

Investment Management 馃嚭馃嚫 Greenwich 11 1994
24
Whitehaven Asset Management, LPwhitehavenlp.com

This company offers municipal investment advisory and portfolio management services to its clients

Financial Services 馃嚭馃嚫 Greenwich 10 n/a
25
Deccan Value Investors L.P.deccanvalue.com

This company offers investment management and advisory services to top endowments, foundations, and family offices worldwide

Investment Management 馃嚭馃嚫 Greenwich 8 2004
26
BLKBRD Asset Management, LPblkbrdlp.com

Specializing in systematic investment strategies, our company enhances alpha through quantitative research and advanced technology, striving for optimized risk-adjusted returns

Investment Management 馃嚭馃嚫 Greenwich 8 2023
27
Engle Capital Management, LPenglecap.com

A New York-based investment firm focusing on long and short positions in global equities through fundamental research to generate high returns and preserve capital

Investment Management 馃嚭馃嚫 Greenwich 6 2014
28
Vollert Capitalvollertcapital.com

A premier investment management firm providing customized solutions with experienced professionals focusing on research, analysis, and risk management strategies

Investment Management 馃嚭馃嚫 Greenwich 5 n/a
29
Titanite Investment Management LPtitanitecapital.com

Investment firm targeting transformative biotech and medtech advancements, focusing on small and midcap US equity investments

Investment Management 馃嚭馃嚫 Greenwich 4 2021
30
One Three One Partners

An investment firm focusing on generating risk-adjusted returns by investing in technology and consumer sectors through operational growth and prudent capital allocation

Investment Management 馃嚭馃嚫 Greenwich 1 2019
31
Phillimore Investments LPphillimore.com

Global macro asset management firm headquartered in Greenwich, Connecticut with a focus on investment strategies for clients worldwide

Investment Management 馃嚭馃嚫 Greenwich 1 2017

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How this list is built

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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