O’Melveny Worldwide

As the European Head of the Firm’s Mergers and Acquisitions and Corporate Finance practices, Andrew Weiler is dual-qualified in New York and England and Wales and represents multinational companies and private equity firms in merger and acquisition and joint venture transactions and advises some of the world’s largest fund of funds on secondary acquisitions of private equity interests.

Andrew is widely recognised as one of Europe’s leading issuer-side advisors in the cross-border private placement market. He has advised more than 100 non-US issuers on 4(a)(2) traditional debt private placements totalling more than $30 billion, placing him in the highest ranks of deal counsel for issuers in this market.

As both a US and UK citizen, Andrew has practiced in London for more than 25 years, having previously worked in New York, Stockholm and Helsinki.

Andrew has been recommended by The Legal 500 for his work in M&A and private equity, designated a “Super Lawyer” in M&A in Super Lawyers Magazine, and has been repeatedly recognized by Chambers UK, The Legal 500, and IFLR 1000 as a Leading Individual in private placements.

Prior to joining O’Melveny, Andrew practiced at an AmLaw 10 firm.

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Mergers and Acquisitions

  • Advised The Coca-Cola Company in (i) its formation of a Nordic joint venture with Carlsberg A.S. and (ii) its restructuring of a global joint venture with Nestle S.A.; 
  • Advised private equity house Clyde Blowers Capital on numerous acquisitions, divestitures and reorganisations. 
  • Advised the Hellenic Telecommunications Organisation (OTE) in its sale of its satellite business HellasSat to Arabsat; 
  • Advised ABB in (i) its sale to British Nuclear Fuels plc of its nuclear businesses located predominantly in the US, Sweden, France and Germany, (ii) its sale to a private equity firm of its global air handling business located in over 30 jurisdictions, (iii) its divestiture of its global metering business to Ruhrgas Industries GmbH, and (iv) its sale of its global reinsurance business to White Mountains Insurance Group; 
  • Advised one of the world's largest investors in private equity, in various secondary acquisitions of portfolios of private equity interests, secondary direct spin-outs and primary investments in investment funds; 
  • Advised Trafigura on various M&A and joint venture transactions; 
  • Represented the founders of asset manager Indicus Advisors in their sale to Ares Management LLC, the global alternative asset manager, of 100 percent of their equity interests in various Indicus group entities overseeing over $2 billion in assets in CLOs and other credit funds and providing advisory services on $4 billion of investments; 
  • Advised Investec on (i) its acquisition of IdaTech LLC, a US fuel cells business, and (ii) the subsequent reorganisation and initial public offering of IdaTech plc on AIM, a market of the London Stock Exchange; 
  • Advised HBO Central Europe, a joint venture between HBO, Disney and Sony, in relation to its sale of Spektrum, its documentary TV channel, to Chellomedia, the content division of Liberty Global; 
  • Advised Lionsgate, a leading independent film studio, on its joint venture with Eros International, the London-listed Indian film studio; 
  • Advised HSBC Principal Investments in relation to its investment, alongside Google and Liberty Global, in 03B Networks, which plans to deploy multiple satellites for provide high-speed, low-cost Internet connectivity to emerging markets in Asia, Africa, Latin America and the Middle East; 
  • Advised EQT Partners AB, a leading Swedish private equity firm, in various strategic acquisitions by its European portfolio companies of US electronics and automation companies;

Private Placements 

Andrew has advised the following issuers, among others, on cross-border private placements:

Aegis Group plc

Johnson Matthey plc

Aggregate Industries

Johnston Press plc

Aggreko plc

Kidde plc

Aliaxis S.A.

King’s College London

Amec plc

Laird plc

Arcadis N.V.

Legend Holdings

Arriva plc

Logica plc

Bank of Valetta

McBride plc

BBA Aviation plc

Mitie Group plc

Bedford Estates

Morgan Advanced Materials plc

Blenheim Palace

Neopost S.A.

Borealis AG

Novar plc

BPB plc

Oldendorff Carriers GmbH

BPI plc

Oriflame Cosmetics

Brammer plc

Pendragon plc

BTP plc

Phoenix Pharmahandel AG

Bureau Veritas S.A.

Portman Estate

Cadogan Estates Limited

QinetiQ plc

Campofrio Group

Rexam plc

Candover Investments plc

RMC Group plc

Capco Group

Rugby Group plc

Christie’s plc

Saft S.A.

Ciments Français S.A.


Coca-Cola Icecek

Scottish & Newcastle plc

Coloplast A/S

Serco Group plc

Connaught plc

Smith & Nephew plc

Cordiant Communications Group

SVG Capital plc

Corio N.V.

Syngenta AG

Dräxlmaier Group GmbH

Tarmac plc

Dyson Limited

Tele 2 AB

Great Portland Estates

The Economist Group

Hammerson plc

Tibbet & Britten plc

Howard de Walden Estates

University of York

Iberdrola S.A.

Uralita S.A.

Inchcape plc

Veolia Environnement

Interserve plc

Vivarte S.A.

Israel Chemicals Ltd

Warburtons Limited

Jersey Electricity

Wereldhave N.V.

Jersey Telecom

Wincanton plc


  • French
  • Swedish



  • New York
  • Solicitor of England and Wales

Admitted to Practice

  • US Supreme Court


  • Duke University, J.D., 1993: Order of Coif; Editor, Duke Law Journal; Chairman, Moot Court Board
  • Dartmouth College, B.A. 1990: cum laude; East Asian Studies

Honors & Awards

  • Chambers Global: USA, Capital Markets: Debt & Equity (2023)
  • Chambers Europe 2020: Capital Markets: Debt
  • Recognized by IFLR1000 as "Highly Regarded" (2019-2021)
  • Chambers Global 2018-2021: UK, Capital Markets: Debt (Leading Lawyer and Foreign Expert for USA)
  • Chambers USA 2018: Capital Markets: Debt & Equity (Foreign Expert Based in UK)

Professional Activities

  • Alternate ABA Observer to the United Nations Economic and Social Council in Geneva (2017-2018)