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Rankings published in 2026
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Linked Reviews
Financial and corporate
Allen & Overy is a full-service law firm which opened its first Spanish office in Madrid in 1991. Today, it has 40 offices worldwide and the Madrid office alone is led by 17 partners.
Focusses / specialisms
The firm is active in all areas of corporate law and project development, advising local and foreign clients on national and cross-border transactions.
In banking and finance it advises borrowers and lenders on a variety of banking transactions, ranging from syndicated loans and refinancing to acquisition financing and project financing. In addition, it provides regulatory advice to financial services providers and private equity funds on the establishment and compliance of financial services.
In capital markets it is active in debt, equity and structured finance. In capital markets debt, it advises issuers and managers on various bond issues, note issues and EPC programmes. In structured finance it advises primarily managers and lenders on loan securitizations.
In corporate and M&A the firm advises sellers and acquirers on mergers, acquisitions and sales.
In restructuring and insolvency, it advises mainly creditors but also distressed companies on insolvency and rescue proceedings.
Key clients
Among its clients are UniCredit, Bank of America Securities Europe, Ibereólica, AZ Capital, STJ Advisors and SPEAR Investment I, OHL, EQT, Banco Bilbao Vizcaya Argentaria, BNP Paribas, Banco Santander and Natixis, HSBC, Deutsche Bank, Farallon Capital Europe, OHLA, Santander, BBVA, CaixaBank and Sabadell, American Tower Corporation, Sandfire, QMI Fonciere, Bruc Energy, Sinia Renovables, Eni, Bruc Management, Ibereólica, Rivage Euro Debt Infrastructure, APG, Intermediate Capital Group, Aurica Capital and Amixa Capital, Schroders, Matrix Renewables Spain and Bruc Management.
Client feedback: 32nd edition (2022/2023)
M&A
"I highly appreciate, their huge experience in important transactions in M&A, the rigor, and the closeness and treatment of partners and associates. They inspires confidence to do the transaction."
Private equity
"Very well rounded lawyers
Full support from Senior team members
Strong involvement through deal execution
Diverse number of team across different areas of expertise "
