8 public firms currently match both the energy & utilities focus and Connecticut geography. Narrow your search faster than browsing the full directory.
Firms
8
Deal range
$5M–$5B
Top cities
Greenwich, New Haven
Updated
3/13/2026
When you know both your sector and location, you want results that match — not a generic list. This page combines both filters.
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
$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
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
$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–$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
$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
$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
$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.