Seb Orton > Penningtons Manches Cooper LLP > London, England > Lawyer Profile

Penningtons Manches Cooper LLP

Work Department



Partner in the corporate team in London with extensive experience advising both private and public companies and financial institutions. His work covers a range of corporate issues with a particular focus on IPOs, secondary fund-raisings, M&A, including public company takeovers, and assisting listed companies on corporate governance and their continuing obligations.

Has wide cross-sector experience and has recently acted on a full range of issuer-side transactions from a FTSE250 Main Market IPO for a financial institution to a variety of smaller Main Market and AIM transactions in the retail and health and care sectors.


Seconded to Investec’s Corporate Finance Group in 2004 and Citigroup’s ECM legal team in 2011 and has strong links with a variety of investment banks across the UK. Joined Penningtons Manches Cooper in 2019 from the City office of a leading international firm. Prior to that, he was a partner in the London office of a US law firm.

Lawyer Rankings

London > Corporate and commercial > Equity capital markets – small-mid cap

Penningtons Manches Cooper LLP has experience in a range of ECM transactions, including Main Market and AIM IPOs, secondary transactions and AQSE secondary fundraisings. Seb Orton leads the team and focuses on IPOs, secondary fundraisings, M&A and assisting listed companies with corporate governance mandates.

London > Corporate and commercial > M&A: smaller deals, up to £50m

Penningtons Manches Cooper LLP’s corporate team specialise in lower mid-market M&A with a focus on the technology, real estate, private wealth and retail sectors. Team head Matthew Martin  has extensive experience in the fashion, luxury and lifestyle sector. Seb Orton  has acted on a full range of issuer and investment bank-side transactions in the retail and health and care sectors. Chris Owen has considerable experience of acting on cross-border transactions. Helen Drayton  has extensive experience in corporate reorganisations, including solvent liquidations, demergers and the implementation of other tax planning schemes.