About Ruslan Kosarenko
Ruslan Kosarenko is a Senior Partner at Sterling Law, a Legal 500 recognised London law firm, and a lawyer with extensive experience in UK immigration, business immigration, human rights, extradition, and legal support for entrepreneurs and technology businesses.
He advises private clients, founders, investors, professionals, families, and companies on complex legal and relocation matters connected to the United Kingdom. His expertise includes High Net Worth applications, business immigration, Global Talent routes, startup-related immigration matters, human rights applications, extradition, and cases involving sensitive personal, commercial, or cross-border circumstances.
Alongside his legal practice, Ruslan is also an entrepreneur and co-founder of several legal, immigration, and business platforms, including Emigral, Talentvisa, AQLO, Bug Free Immigration, Asset Quest, and London Business Club. He is also the founder of CaseCraft.AI, an AI-powered legal access-to-justice platform. His work combines legal expertise, business understanding, and technology-led solutions to make immigration and legal services more accessible, efficient, and commercially practical.
Ruslan’s clients value his strategic approach, practical judgement, and ability to find workable solutions in complex cases. He assists individuals, families, entrepreneurs, investors, and businesses with UK immigration, relocation, High Net Worth applications, Global Talent and business routes, human rights matters, extradition, and legal issues connected to living, investing, or doing business in the UK.
Areas of Expertise
The Company
Sterling Law is a London-based, Legal 500 recognised boutique law firm advising private clients, families, entrepreneurs, investors, and businesses on complex legal matters in the United Kingdom. The firm combines strong legal expertise with a modern, practical, and client-focused approach, supporting clients across immigration, business immigration, corporate and commercial law, family law, employment, and related cross-border matters.
The firm is particularly known for its work in UK immigration, including business immigration, personal immigration, Sponsor Licence applications, Skilled Worker visas, Global Talent routes, Innovator Founder applications, family immigration, citizenship, and complex applications outside the Immigration Rules. Sterling Law also assists clients whose matters involve several legal areas at once, where immigration, corporate, family, employment, or private client considerations overlap.
Sterling Law works with individuals and companies who require strategic legal support when relocating to the UK, establishing or expanding a business presence, protecting their immigration position, managing employment or corporate issues, or resolving sensitive personal and commercial matters.
The firm positions itself as a modern and innovative law firm, using technology, efficient processes, and clear communication to make legal services more accessible, transparent, and practical. Clients value Sterling Law for its strategic advice, responsive service, and ability to provide strong support in complex or urgent matters.
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