LAWYER PROFILE
Karen Butler

Karen Butler

UK 2026

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Ranked in 1 practice area

About

Provided by McDermott Will & Schulte

Career

Karen is highly experienced in advising clients on UK and EU financial services regulation, providing practical and solutions-driven advice on a broad range of issues including authorisation, marketing, governance, prudential rules, senior mangers regime, conduct, custody, trading, AML, regulatory reporting, clearing, and regulatory change.

Karen’s practice covers a wide range of matters, including assisting clients in developing and implementing compliance strategies that align with regulatory expectations.

She regularly advises funds and fund managers on the requirements under the UK AIFM Regulation and the EU AIFMD. This includes assisting clients in navigating the UK and EU authorisation, marketing regimes (e.g., passporting, pre-marketing and NPPR notification frameworks, as well as UK financial promotion rules) and ESG disclosure requirements under the SFDR and UK SDR. She works with client in interacting with local regulators including the UK Financial Conduct Authority and the EU European Securities and Markets Authority.

Karen brings notable experience in providing regulatory support to clients in context of M&A transactions (including assisting with change in control approvals and conducting regulatory due diligence), capital markets fund raising, cross border regulatory approvals, and derivatives regulations.

Chambers Review

Provided by Chambers

Chambers Guide to the Legal Profession

Financial Services: Non-contentious Regulatory - UK-wide

Band 5
Band 5

Individual Editorial

Karen Butler is a financial regulation expert who works with banks and fund managers on regulatory implementation.

Ranked Individuals at McDermott Will & Schulte (27)

London (Firms)

UK-wide

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