Antonio Arenas
Cross-border litigation specialist with extensive experience in complex disputes.
- Qualified in England & Wales and in Spain
- English, Spanish, Catalan
The Thames, London
Your LondonSolicitors forBusinesses, Entrepreneurs, Individuals and Families
Clear advice and careful strategy, turned into a plan you can act on, with a personal service throughout.
Clear advice. Commercial judgement. Personal service.
Personalised legal advice
Knowing the law is only the start. Good legal advice weighs risk, timing, relationships, reputation and the commercial reality of your position. We listen first, then give advice that is tailored to you.
A plan you can carry out
Advice is only useful if you can act on it. We turn a legal issue into a clear, practical plan: what to do, in what order, and why. Then we help you carry it out.
Our Services
Legal advice for businesses, and for individuals and families. If your matter involves Spain, start with our Spanish Desk.
For Businesses
- Corporate & commercial
Company formation, commercial contracts, compliance and investor agreements.
- Tax
Business, personal and international tax, and disputes with tax authorities.
- Employment
Contracts, policies, tribunal claims and workplace investigations.
- Dispute resolution
Commercial disputes, arbitration and enforcing judgments across borders.
- Insolvency & restructuring
Restructuring, creditor action and directors' duties.
- Intellectual property
Trade marks, copyright, licensing and IP disputes.
- Technology law
Data protection, AI governance and technology contracts.
- Shipping law
Admiralty claims, shipping arbitration, ship finance and yachts.
For Individuals & Families
- Family
Divorce, finances, children and prenuptial agreements, including cross-border cases.
- Private client
Wills, probate, inheritance tax, trusts and estates in more than one country.
- Immigration & nationality
UK visas, sponsor licences, settlement and citizenship, and Spanish residency.
- Criminal defence
From the police station to trial and appeal.
- Dispute resolution
Disputes over contracts, property, wills and estates.
- Employment
Dismissal, discrimination and settlement agreements.
Two legal systems, one team.
Our dual-qualified solicitors and abogados (England & Wales / Spain) handle matters that involve both countries — so you don't have to deal with two legal systems on your own.
England & Wales
Spain
- England & Wales: SolicitorsSpain: Abogados
- England & Wales: English common lawSpain: Spanish civil law
- England & Wales: The Solicitors Regulation Authority (SRA no. 565232)Spain: Each abogado's own bar association, such as the Colegio de Abogados de Madrid
England & Wales: Holborn and Mayfair, London
Local time, London:
Spain: Sotogrande, Cádiz
Local time, Sotogrande:
Qualified in both
Our partners
Our partners and lawyers advise on corporate and commercial matters, tax, litigation and dispute resolution, and technology, data protection and AI, often for businesses that work across borders. Three of our partners are also qualified in Spain.
Eugenia Pagán
UK corporate and tax specialist for international businesses operating across borders.
- Solicitor (England & Wales) and Abogada
- LL.M. in International Commercial Law
Xabier de Beristain Humphrey
Commercial, litigation and sports lawyer for international businesses.
- English, Spanish, French, German
- Wimpole Street office
Carmen Calvo
Dual-qualified UK & Spanish dispute resolution lawyer
- Solicitor (England & Wales) and Abogado
- More than 17 years' experience
Also on the team: associates Dancy Naranjo (immigration & nationality) and Maripaz Arce; and Laura Gallego (technology, data & AI), Isabel García, Ruby Tombe and Ander López in business development, accounting and tax.
Recent results
Insurer's defence succeeds in the High Court
A US$1.27 million General Average claim against our client, Euroins Insurance JSC, was dismissed in full, with costs.
Unity Ship Group S.A. v Euroins Insurance JSC [2026] EWHC 7 (Admlty)
Spanish visa refusal overturned
The High Court of Justice of Madrid overturned the refusal of our client's Non-Lucrative Residence Visa and ordered the Spanish State Administration to pay the legal costs.
Prior results do not guarantee a similar outcome.
Insights & news
Profit extraction from your company – Week 7: planning for a future business disposal
How today's profit extraction decisions can affect a future disposal.
Eugenia Pagán
Inheriting property in Spain?
What you need to know when a loved one owned Spanish assets.
Antonio Arenas
Does the EU AI Act apply to UK businesses?
UK businesses that operate in the EU may still fall within its scope.
Laura Gallego
Questions clients ask
Who regulates the firm?
Scornik Gerstein LLP is authorised and regulated by the Solicitors Regulation Authority (SRA no. 565232) in respect of its practice in the UK. Our abogados are regulated for their Spanish practice by their own bar association, such as the Colegio de Abogados de Madrid.
How quickly will you reply?
We respond promptly to all enquiries and treat every matter with complete confidentiality.
Do you publish your fees?
Yes. Our fees page sets out our hourly rates, our fixed fees for some services, and the procedure and fees for each area of work.
Fees & price transparencyCan you help if my matter involves both the UK and Spain?
Yes. Our dual-qualified lawyers advise on English and Spanish law together: setting up a company, buying or inheriting property, moving and immigration, tax structuring, and disputes involving Spanish assets.
About the Spanish DeskDo you advise in languages other than English?
Yes. Our team advises in English and Spanish, and some of our lawyers also advise in French, German and Catalan.
How can I tell that a message really comes from you?
Our official email accounts always end in @scornik.com. We will only contact you through the telephone numbers published on our official website, and we would never use WhatsApp to tell you that our contact or bank details have changed. If in doubt, call us on a published number before taking any action.
Read our scam warningOur offices
London
London — Headquarters
2nd Floor, 9–10 Staple InnLondon WC1V 7QH
Mayfair, London
91 Wimpole StreetLondon W1G 0EF
Sotogrande
Sotogrande, Spain
Pasaje San Francisco 7, PN GuadiaroSotogrande, 11311 San RoqueCádiz, Spain
We also work with associated offices in Mexico, Poznań and Portugal.
Ready to discuss your legal matter?
Our professional team will give you advice tailored to your legal needs. We respond promptly to all enquiries and treat every matter with complete confidentiality.
WhatsApp +44 (0)20 7831 7070