Corporate & M&A
Strategic counsel on mergers, acquisitions, joint ventures, and corporate restructuring across international markets.
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Established 1887 · London · Paris · Frankfurt
Where Precedent
Meets Precision.
For over a century, Harrington & Voss has guided the world's most discerning clients through complex legal landscapes — with unwavering integrity, continental expertise, and an uncompromising commitment to outcome.
137
Years in Practice
40+
Jurisdictions Served
£2.4B+
Transactions Closed
98%
Client Retention Rate
Areas of Practice
A distinguished portfolio of legal disciplines, executed with the rigour and discretion that sophisticated clients demand.
Private Equity
Full-cycle support for fund formation, portfolio investment, and exit strategies across European and global markets.
Learn MoreInternational Arbitration
Representing clients in high-value commercial and investment treaty arbitrations before ICC, LCIA, and ICSID tribunals.
Learn MoreCapital Markets
Advising issuers, underwriters, and investors on equity and debt offerings, IPOs, and structured finance transactions.
Learn MorePrivate Wealth & Estates
Bespoke estate planning, trust structuring, and intergenerational wealth transfer for ultra-high-net-worth families.
Learn MoreRegulatory & Compliance
Navigating complex regulatory environments across financial services, energy, healthcare, and technology sectors.
Learn MoreWhite Collar Defence
Discrete, expert representation in criminal investigations, enforcement proceedings, and regulatory inquiries.
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Full Scope
All Practice Areas
Explore the full breadth of our legal expertise spanning 14 practice groups and 40+ jurisdictions.
View All PracticesA Legacy of
Legal Excellence
Founded in London in 1887, Harrington & Voss has built an unrivalled reputation as one of Europe's most trusted legal advisers to corporations, financial institutions, and private clients of exceptional standing.
Our firm was forged in the tradition of continental legal scholarship — rigorous, precise, and profoundly client-focused. Today, our network spans offices across London, Paris, Frankfurt, Geneva, and Dubai, serving clients who demand not merely competence, but mastery.
We operate at the intersection of law, commerce, and strategy — bringing the depth of academic legal tradition to the pace and complexity of modern global business.
Integrity
Above all else, we are counsel you can trust absolutely.
Precision
We leave nothing to chance. Every detail, examined.
Discretion
Client confidentiality is our most sacred obligation.
The Partnership
Distinguished legal minds, united by a commitment to exceptional counsel and enduring client relationships.
Managing Partner
Sir Edward Harrington III
Former senior counsel at the European Court of Justice, Sir Edward leads our Corporate & M&A practice with 33 years of distinguished experience in cross-border transactions.
M&A
Private Equity
Corporate Governance
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Senior Partner
Isabelle Voss-Laurent
A leading authority in international arbitration and EU regulatory law, Isabelle has successfully represented sovereign states and Fortune 100 corporations in landmark proceedings.
Arbitration
EU Law
Regulatory
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Partner — Private Wealth
Dr. Klaus Brandt
Dr. Brandt advises Europe's most distinguished family offices and UHNW individuals on estate planning, trust structures, and multigenerational wealth preservation across 20+ jurisdictions.
Private Wealth
Tax
Trusts
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Partner — Capital Markets
Amara Osei-Mensah
A rising force in European capital markets, Amara has led landmark IPOs and structured finance transactions totalling over £800M for issuers across the EMEA region.
Capital Markets
IPO
Structured Finance
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Notable Results
A selection of significant matters, representing the calibre of work our clients entrust to us.
M&A — Corporate
2023
€1.2B
Pan-European Cross-Border Acquisition
Lead counsel for a FTSE 50 conglomerate in its acquisition of three European mid-market industrial groups across Germany, France, and the Netherlands, navigating complex antitrust and merger control approvals.
Arbitration — ICC
2022
£340M
Landmark ICC Arbitration Award
Successfully defended a sovereign wealth fund against a £340M contractual claim, securing full dismissal of all claims before the International Chamber of Commerce tribunal.
Capital Markets — IPO
2023
£800M
London Stock Exchange Main Market IPO
Acted as issuer's counsel in the most significant technology sector listing on the LSE Main Market of 2023, coordinating legal teams across five jurisdictions.
Regulatory — FCA
2022
Dismissed
FCA Enforcement — Full Exoneration
Achieved complete exoneration of a leading asset management firm in an FCA market abuse investigation, preventing significant reputational and financial exposure.
* Past results do not guarantee future outcomes. Matter details modified to preserve client confidentiality.
Client Commendations
What those who have trusted us with their most consequential matters have to say.
Harrington & Voss operated with a level of sophistication and discretion that is genuinely rare. Their handling of our European restructuring was nothing short of masterful — every detail anticipated, every risk mitigated.
In thirty years of business, I have engaged many law firms. None have approached the intellectual rigour, strategic counsel, and — crucially — the genuine care for client outcomes that Harrington & Voss consistently delivers.
The team's command of cross-border regulatory complexity is extraordinary. They don't merely advise; they architect solutions. Our IPO could not have succeeded without their leadership.
Matters of Consequence
Deserve Counsel of Distinction.
Whether you face a complex transaction, a contested dispute, or require long-term strategic legal partnership — we invite you to open a confidential dialogue with our partners.
All initial consultations are strictly confidential and without obligation.
Contact the Firm
Reach our offices directly, or complete the form below and a partner will respond within one business day.
London (Head Office)
1 Chancery LaneLondon, WC2A 1LF
United Kingdom
Office Hours
Monday – Friday8:30 – 18:00
SaturdayBy appointment
SundayClosed