LAWYER PROFILE

Amy Mahon

UK 2026

Simpson Thacher & Bartlett LLP

Ranked in 2 practice areas

Infrastructure

UK-wide

11 years ranked

Private Equity: Buyouts: £500 million and above

UK-wide

3 years ranked

About

Provided by Simpson Thacher & Bartlett LLP

Practice Areas

Based in London, Amy Mahon is Co-Head of the Firm’s Energy and Infrastructure Practice and advises a range of clients through all stages of the investment cycle within the energy and infrastructure industry. She counsels infrastructure funds and corporate clients on a wide range of complex domestic and cross border mergers and acquisitions, joint venture and consortium transactions and restructurings across the infrastructure sector.

Career

Partner, joined the Firm in 2019.

Professional Memberships

Member of Council of BVCA.

Personal

College of Law, LPC (1998); Trinity College Dublin, LL.B. (1997).

Chambers Review

Provided by Chambers

Chambers Guide to the Legal Profession

Infrastructure - UK-wide

Band 1

Individual Editorial

Amy Mahon is sought after by infrastructure funds and private equity firms for her expertise in infrastructure transactions. She has a particular focus on the transport industry.

Learn more about this team View ranking table

Private Equity: Buyouts: £500 million and above - UK-wide

Band 3

Individual Editorial

Amy Mahon is well known for the strength of her private equity practice, particularly as it pertains to deals in the infrastructure space. Her client base consists of well-known private equity sponsors and corporates.

Learn more about this team View ranking table

Strengths

Provided by Chambers

Amy Mahon is a superb lawyer who is very easy to deal with.
InfrastructureChambers Guide to the Legal Profession
Amy doesn’t just advise on deals - she shapes them.
InfrastructureChambers Guide to the Legal Profession
Amy Mahon has proven ability to deal with even the most complex deals across various geographies.
InfrastructureChambers Guide to the Legal Profession
Amy knows our business well and is excellent on all fronts.
InfrastructureChambers Guide to the Legal Profession
Combining deep legal expertise with exceptional commercial acumen, her ability to bring simplicity to complex transactions is remarkable. She leads with clarity, confidence and strategic insight.
InfrastructureChambers Guide to the Legal Profession
Amy is super responsive and to the point.
Private Equity: Buyouts: £500 million and aboveChambers Guide to the Legal Profession