Alvalcsero provides clear, strategic legal advisory across corporate law, contracts, and compliance. Based in London, we’ve been helping entrepreneurs and established companies navigate complexity since 2015.
Schedule a consultationA dedicated team of legal professionals with a passion for business.
Alvalcsero was founded in 2015 in the heart of London, United Kingdom, by senior solicitor Eleanor Marsh. What began as a two-person practice has grown into a respected legal advisory firm with a team of 14 specialists — solicitors, paralegals, and compliance experts. We’ve completed over 300 projects ranging from startup incorporations to complex cross-border mergers.
Our philosophy is simple: demystify the law. We believe that businesses thrive when they have clear, honest legal guidance — not jargon-filled documents. Whether you’re drafting your first partnership agreement or navigating a regulatory change, we stand beside you.
We are proud to serve the London business community from our office near Baker Street, and work remotely with clients across the UK and Europe.
Practical, business-focused legal services tailored to your needs.
Company formation, shareholder agreements, board governance, and restructuring. We help you build a solid legal foundation.
From supplier agreements to NDAs and employment contracts — we draft and negotiate with your best interests in mind.
Data protection (GDPR), anti-money laundering, and regulatory compliance. We keep your business safe and audit-ready.
Ongoing strategic counsel for growing businesses. One-off advice or retainer — flexible support when you need it.
A straightforward process designed to give you clarity and confidence.
We listen to your situation, goals, and concerns — no obligation, just honest conversation.
You receive a clear scope of work, fixed or estimated fees, and a timeline that works for you.
Our team handles the legwork — drafting, reviewing, filing — while keeping you updated at every stage.
Law changes. Your business evolves. We remain a trusted partner for whatever comes next.
Real feedback from businesses we’ve helped.
“Alvalcsero handled our merger agreement with exceptional care. They explained every clause in plain English and saved us from a costly oversight.”
“We’ve been working with Eleanor and her team for three years. Their advice on GDPR compliance was invaluable — thorough, practical, and affordable.”
“Fast, professional, and genuinely friendly. I needed a shareholder agreement urgently — they delivered in 48 hours. Highly recommend.”
Ready to talk? We’re here to help. Reach out by phone, email, or drop by our office.
📍 15 Baker Street, London W1U 3BW, United Kingdom
📞 +44 20 7946 0958
✉️ info@alvalcsero.digital
✉️ support@alvalcsero.digital
🕐 Mon–Fri: 9am–6pm | Sat: by appointment
We typically respond within 4 hours during business days.