Allin1 Advisory

Allin1Advisory is an award-winning, corporate-commercial legal and business advisory firm headquartered in the City of London. Successor to the highly regarded A City Law Firm, established in 2009, the firm combines deep-rooted UK legal expertise with a truly global footprint supporting ambitious founders, fast-growth scale-ups, and high-net-worth individuals across borders.

With operations and partner networks in Dubai, Hungary, the USA, Gibraltar, South Africa, and beyond, Allin1Advisory acts as a strategic legal partner to clients navigating the complexities of international expansion, cross-border transactions, and disruptive innovation. The firm is particularly known for its work with emerging tech companies in AI, blockchain, fintech, medtech, and autonomous vehicles.

Allin1Advisory is recognised for its entrepreneurial approach, practical legal solutions, and client-first ethos combining technical excellence with a personal, commercially focused service.

Key Practice Areas

Corporate & Commercial

The Corporate & Commercial team advises clients across all stages of their business lifecycle from formation and funding through to growth, M&A, and exit. Known for its strategic advice and commercial insight, the firm supports numerous businesses in the tech, digital, and creative sectors.

Notable Work:

• • Advised a UK tech startup on a multi-million-pound Series A round, securing investor funding while preserving founder control.
  • Successfully handled the de-merger of multiple companies involving complex ownership and asset structures.
  • Advised on the merger of three regulated entities, navigating sector-specific compliance and operational integration.
  • Regularly acts on investment readiness and due diligence projects (£500k–£3m), including in sectors such as autonomous aviation, blockchain-based smart contracts, and fashion-tech.

Technology, AI & Emerging Tech

Allin1Advisory is at the forefront of legal support for emerging technologies. The firm advises clients on AI regulation, IP protection, commercialisation, and compliance, often in anticipation of future legislative change. Clients include companies operating in AI, blockchain, cryptocurrency, drones, autonomous transport, medtech, and fintech.

The firm drafts bespoke contracts, terms of use, and platform agreements tailored to disruptive products. Their pre-regulatory, anticipatory drafting approach positions clients ahead of compliance and litigation risks in global markets.

Intellectual Property & Trademarks

The IP team assists clients with protecting, enforcing, and commercialising their intellectual property portfolios. Services include trademark registration, portfolio management, IP audits, and dispute resolution. The firm has built long-term relationships with innovation-led clients seeking scalable IP strategies to support investment and international growth.

Employment Law

Providing strategic support to SMEs and scaling businesses, the Employment team handles contracts, restructuring, redundancy processes, and contentious matters. The firm recently acted in a high-profile whistleblowing case, securing a favourable outcome in a complex unfair dismissal defence.

Their proactive drafting of employment documentation supports clients with IR35, remote working, and scalable HR frameworks, particularly in tech and growth sectors.

Family Law

The firm provides discreet, high-level family law advice for entrepreneurs and high-net-worth clients. With over 30 years of experience, the team has worked on pioneering surrogacy cases, cohabitation disputes, international custody matters, and matrimonial finance involving complex business assets.

This practice uniquely serves clients where business and personal matters overlap, offering legal support across founders' personal and professional lives.

International Capabilities

Allin1Advisory maintains an active and growing international presence, supporting both inbound and outbound cross-border legal matters.

Founder -Freedom of the City; Master from Cambridge; Mentor to many groups and national bank accelerators ; lead in female founders growth