30 public firms currently appear in Connecticut. This page groups them into one market view so you can compare local presence, sector concentration, and likely size bands without opening every profile first.
Firms
30
Deal range
$250K–$11.5B
Top cities
Stamford, Greenwich
Updated
3/14/2026
The Connecticut view surfaces public firms with enough profile depth to compare quickly. Use the city and sector signals in the sidebar to narrow where to click next.
Every profile listed here has enriched research and is publicly visible. No placeholder entries.
Advisor profile
$10M–$250M · Stamford, CT
Independent, employee-owned investment bank specializing in cross-border M&A, capital markets, and special situations transactions with deep expertise in metals & mining, agriculture, defense & security, and energy transition sectors.
Advisor profile
$25M–$556M · Darien, CT
Boutique M&A advisory firm specializing in technology, software, and fintech transactions with 25+ years of expertise in capital solutions and strategic advisory.
Advisor profile
$250M–$5B · Greenwich, CT
Global emerging markets investment bank specializing in debt capital markets and corporate advisory for Latin American and Eastern European entities, with team expertise drawn from Morgan Stanley, Nomura, and Deutsche Bank.
Advisor profile
$100M–$11.5B · Stamford, CT
Independent investment banking firm specializing in M&A advisory, capital markets, and restructuring services for growth companies and financial sponsors in digital infrastructure, communications, and technology sectors.
Advisor profile
$10M–$250M · Stamford, CT
Independent investment banking firm specializing in sell-side M&A, recapitalizations, and corporate finance advisory for family-owned and closely-held businesses in the $10M-$250M range across multiple industries.
Advisor profile
$5M–$250M · Stamford, CT
Specialized healthcare and life sciences investment bank founded by Theodore W. Bernstein, offering M&A advisory with 25+ years of combined legal, banking, operating, and healthcare expertise.
Advisor profile
$5M–$150M · Guilford, CT
Boutique M&A advisory firm specializing in electronics interconnect, manufacturing, and industrial sector transactions, known for negotiation expertise and sector-specific deal tracking.
Advisor profile
Greenwich, Connecticut
Capital raising and structured financing specialist for CAPEX-intensive industries (primarily aviation). NOT an M&A advisor—serves Fortune 500 corporates and institutional investors, not business sellers.
Advisor profile
$250K–$10M · Cheshire, CT
Connecticut-based business brokerage and exit planning firm specializing in lower middle market businesses ($500K-$5M TEV), offering business growth consulting combined with comprehensive sale preparation services.
Advisor profile
$10M–$275M · Norwalk, Connecticut
Norwalk-based boutique corporate finance advisor specializing in M&A and financing for lower-middle market companies ($5M-$300M range) across manufacturing, logistics, healthcare, and specialty finance.
Advisor profile
$25M–$250M · Southport, CT
Boutique M&A advisory firm specializing in $25M-$250M founder-led and family-held businesses, with deep expertise in manufacturing, HVAC, food & beverage, and consumer products across 38+ years of transactions.
Advisor profile
$5M–$100M · Greenwich, CT
Specialized investment bank focused exclusively on energy and mining sectors since 2001, providing creative capital structures, technical due diligence, and principal investment for natural resource companies worldwide.
Advisor profile
$10M–$500M · Greenwich, CT
Greenwich, CT-based investment bank founded in 1996, specializing in cross-border M&A between US and Europe with deep expertise in FinTech, digital payments, and financial services. 34 professionals, $5B+ capital raised track record.
Advisor profile
$10M–$250M · Southport, CT
Boutique M&A advisory firm specializing in environmental services, aerospace/defense, manufacturing, and maritime industries. Award-winning advisor with 20+ years experience facilitating transactions for middle-market companies ($10M-$250M TEV).
Advisor profile
$25M–$250M · Southport, Connecticut
Boutique M&A advisory firm specializing in founder-led and family-held businesses valued $25M-$250M, known for senior banker attention, institutional sell-side processes, and specialized industry expertise.
Advisor profile
$15M–$200M · Stamford, CT
Lower-middle market private equity firm specializing in family-owned manufacturing, industrial services, and engineered products companies with $15M-$200M revenues.
Advisor profile
$5M–$300M · Stamford, CT
The leading investment banking firm exclusively serving the out-of-home (OOH) media industry, having completed 400+ transactions worth over $4 billion since 1993. Specialized advisors to billboard operators, digital signage networks, and place-based media companies.
Advisor profile
$10M–$150M · West Hartford, CT
Lower middle market M&A advisor with 30+ years of experience, 450+ completed transactions, and $2B+ in client liquidity. Operates as part of Mariner Wealth Advisors, combining sell-side M&A expertise with integrated wealth planning.
Advisor profile
$10M–$300M · Stamford, CT
Premier independent investment banking firm specializing in M&A advisory for insurance agents, brokers, carriers, and registered investment advisors since 1962. Founded in 1962, with 100+ completed transactions and dedicated partner-led advisory model.
Advisor profile
$500K–$5M · Madison, CT
Connecticut-based business broker specializing in small business sales ($500K-$5M), restaurants, food service, and multi-unit franchises, operated by experienced consultants who provide operational guidance beyond traditional brokerage.
Advisor profile
$5M–$500M · Greenwich, CT
Specialized aviation investment banking and advisory firm exclusively serving the commercial aviation sector, with expertise spanning aircraft acquisition, financing, restructuring, and asset management for airlines and lessors worldwide.
Advisor profile
$25M–$500M · Greenwich, CT
Boutique investment bank specializing in capital raising and off-market deal sourcing for growth companies in healthcare, technology, real estate, and special situations.
Advisor profile
$5M–$100M · Clinton, CT
Premier boutique M&A advisory firm serving the lower middle market with $5M-$100M enterprise value focus, specializing in manufacturing, distribution, and business services transactions across New England and the Northeast. 20+ years, 500+ transactions completed.
Advisor profile
$5M–$100M · Clinton, CT
Boutique M&A advisory firm serving the lower middle market ($5M-$100M TEV) with over 20 years of experience, specializing in manufacturing, healthcare, distribution, and business services throughout the Northeast. Known for sealed-auction competitive process and comprehensive exit planning.
Advisor profile
$3M–$500M · Stamford, CT
Boutique investment bank specializing in sell-side and buy-side M&A for middle-market companies ($3M+ EBITDA), known for senior banker accountability, restructuring expertise, and cross-border capability across manufacturing, industrial services, technology, and specialty sectors.
Advisor profile
$20M–$200M · Greenwich, CT
Advisor profile
$5M–$75M · Cromwell, CT
Independent valuation and M&A advisory firm specializing in lower-middle market business transitions, combining 30+ years of expertise with valuation-first methodology for business owners.
Advisor profile
$20M–$250M · Westport, CT
FINRA-registered middle market investment bank specializing in $20M-$250M sell-side M&A for founder-owned businesses, with deep expertise in healthcare, manufacturing, technology, and government services. Recognized by Axial as a Top 50 Healthcare M&A Advisor.
Advisor profile
$2M–$2B · Milford, CT
Boutique investment bank providing Fortune 500-caliber M&A services to $5M-$300M revenue companies in manufacturing, industrial automation, and aerospace/defense, with 75+ transactions exceeding $5B in value.
Advisor profile
$50M–$1.5B · New Haven, CT
Transatlantic strategic research and advisory firm serving sophisticated clients with cross-border M&A intelligence on a fixed fee basis, operating since 1986 with offices in New Haven and London.