Perella Weinberg to Acquire Gleacher Shacklock, Adding 30 Advisory Professionals
Perella Weinberg Partners will acquire Gleacher Shacklock, a UK advisory boutique with 30 professionals, in a transaction expected to close H2 2026 pending regulatory approval. The deal expands Perella Weinberg Partners’ European footprint by adding M&A, capital markets and defence advisory capabilities to its 700-employee global platform.
1. Acquisition Details
Perella Weinberg Partners has agreed to purchase Gleacher Shacklock, a UK-based boutique advisory firm founded in 2003. Financial terms were not disclosed, and the transaction is slated to close in the second half of 2026, subject to regulatory approval and customary closing conditions.
2. Strategic Rationale
Gleacher Shacklock’s expertise in M&A, strategic financial advisory, defence advisory and capital markets complements Perella Weinberg’s global industry platform. Leadership cited the UK firm’s long-standing client trust and tailored advice as key to enhancing combined service offerings.
3. Integration and Timeline
Upon closing, Gleacher Shacklock’s 30 advisory professionals will integrate with Perella Weinberg’s existing teams to provide seamless cross-border advice. The combined franchise aims to leverage global reach and senior-led execution across the Atlantic as cross-border activity accelerates.
4. Company Background
Perella Weinberg Partners is an independent advisory firm with approximately 700 employees across major financial centers including New York, London, Paris and Munich. Gleacher Shacklock serves corporates, financial sponsors, sovereign wealth funds and institutions primarily in the UK and Europe.