Gleacher Shacklock
London-based independent advisory firm focused on complex UK and European M&A, strategic finance, capital markets and restructuring.
Highlights
Founded 2003
Perella Weinberg’s acquisition announcement describes the Gleacher Shacklock franchise as founded in 2003.
~30 advisory professionals
Reported by Houlihan Lokey following the acquisition.
Acquired by Perella Weinberg
Transaction closed September 1, 2026.
#8 Benelux M&A by value, 1H25
$5.001 billion across one announced transaction, according to Mergermarket/Ion Analytics.
£10.5bn contested Just Eat combination
Listed by Gleacher Shacklock partner James Dawson among representative transactions.
$4.2bn BAE Systems acquisition
BAE Systems’ acquisition of UDI is listed among representative transactions advised by James Dawson.
About Gleacher Shacklock
Its work is concentrated on senior-led, complex situations rather than balance-sheet lending or trading. Public examples show particular depth in industrials and services, financial institutions, healthcare and contested or cross-border transactions.
Current openings
1 live · 2 totalInvestment Banking Summer Internship 2027
Summer · UK
Dates TBC
TBC
Investment Banking Summer Internship 2026
Summer · UK
Closed
28 Oct 25 closed
Sources
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