Seb Orton
Partner
Services
Corporate
Seb is a partner in the corporate team based in the London office, and co-heads the firm’s equity capital markets practice. He has 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 fundraisings, mergers and acquisitions, including public company takeovers, and assisting listed companies on corporate governance and their continuing obligations. He has wide cross-sector experience and has led on a full range of issuer and investment bank-side transactions, from a FTSE250 Main Market IPO for a financial institution and a high-profile IPO on AIM to a variety of smaller Main Market, AIM and Aquis transactions in the retail and health and care sectors.
I am an experienced equity capital markets practitioner advising issuers, investment banks and other stakeholders. I enjoy the ever-changing nature of working in the listed and regulatory environment and am sought out for my ability to provide a commercial and responsive approach to legal issues and corporate transactions.
In 2004, Seb was seconded to Investec’s Corporate Finance Group and in 2011 to Citigroup’s ECM legal team in 2011. He has strong links with a variety of investment banks across the UK. Seb 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. He is a member of Penningtons Manches Cooper’s North America group and has extensive experience working with US and Canadian companies both listing in London and acquiring UK public companies.
Recent work highlights
Secondary fundraising on AIM
Debt and equity raise
Corporate restructuring advice
Share buy back
Convertible bond facility on AIM
Secondary fundraising on AIM
US IPO on AIM
Main market IPO
AIM IPO
US IPO on AIM
Main market IPO
AIM IPO
External recognition


What people are saying
A top lawyer who truly stands out. He is highly skilled, very commercial and always brings a positive, enjoyable attitude to his work. He offers short, clear, practical advice without being patronising.
Sebastian is very commercial, knowledgeable and responsive.
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