ANUNDA, ONSARIGO & NYAMARI ADVOCATES LLP
“Lawyering Different”
Welcome to AON Advocates LLP — a premier Kenyan national law firm with established cross-border proficiency. We specialize in Commercial & Corporate Law, High Court Advocacy, and Global Immigration Practice, backed by over a decade of cumulative judicial expertise.
Institutional Representation
Bespoke jurisprudence for multinationals & private enterprises.
Cumulative Experience
Decade of judicial advocacy.
Chambers & Offices
Nairobi & Kisii chambers.
Satisfied Clients
Corporates & private clients.
Direct Support
Always accessible hotline.
Delivering the Prowess of Big Law, Enhanced by Tailored Strategic Agility
shield About Us
With a team of Registered Lawyers in Kenya more than 5 professionals and still growing, AON Advocates LLP has provided legal services to a huge number of satisfied clients since its inception from all over the world in a wide range of practice areas. Our client base stands as individuals, multinationals as well as medium-sized firms to startups.
workspace_premium Why Choose Us
AON Advocates LLP provides legal guidance and services across an incredibly broad range of areas. We take pride in our ability to provide legal services which only large firms can provide, with the personal touch which only small firms can deliver. Our registered lawyers in Washington DC, Nairobi & Kisii Kenya have varying fields of specialization, which are utilized in the representation of our clientele.
Multi-Bar Jurisdictional Capabilities
Kenya School of Law • High Court of Kenya • Washington State Bar
Architectural Tenets of Our Advocacy
Our core institutional strengths designed for swift, decisive legal outcomes.
Modern Technical Insight
Pioneering corporate advisory with tech law, corporate digitization, IP registry workflows, and streamlined commercial structuring.
Personalized Counsel
Every client commands direct lead counsel accessibility, ensuring bespoke legal strategies without bureaucratic detachment.
24/7 Rapid Response
Round-the-clock emergency support for pressing injunctions, criminal bail applications, urgent conveyancing, and cross-border calls.
Meticulous Drafting
Formidable courtroom documentation, precision commercial covenants, and rigorous appellate pleading formulation.
Our Areas of Practice
Full-service legal proficiency crafted to safeguard your investments, resolve high-stakes conflict, and navigate statutory compliances.
1. Corporate & Commercial
Core PracticeAdvising emerging startups to global conglomerates on entity structuring, joint ventures, regulatory adherence, cross-border M&A, commercial contracts, and governance.
2. Civil & Criminal Litigation
Trial AdvocacyUncompromising representation before the Subordinate Courts, High Court, and Appellate tribunals in complex commercial lawsuits, tort liability, white-collar defense, and constitutional petitions.
3. Property & Real Estate
ConveyancingFlawless title diligence, property acquisitions, long-term commercial leases, land registry conversions, zoning compliance, and aggressive defense of contested real estate assets.
4. Litigation & Arbitration
Dispute ResolutionStrategic arbitration, mediation, and Alternative Dispute Resolution (ADR) structured to preserve vital commercial goodwill while defending client solvency and financial positioning.
5. Private Client & Estate Planning
Wealth & TrustsConfidential advisory for high-net-worth lineages, testamentary drafting, creation of family trusts, succession planning, probate administration, and generational wealth preservation.
6. Immigration & Refugee Law
Global MobilityExpatriate work permits, special pass processing, citizenship naturalization, refugee defense, residency compliance, and dual citizenship petitions across Kenya and international corridors.
7. Intellectual Property & Franchising
Protection of proprietary trademarks, patent filings, copyright enforcement, software licensing, cross-border franchise agreements, and commercial exploitation of IP rights in Kenya (KIPI) and ARIPO registries.
Our Team
Formidable judicial acumen, profound academic scholarship, and proven courtroom capability. Meet the advocates advancing “Lawyering Different”.
Seth Adams Anunda
LLB (hons) LLM, Loyola Universty, LA, California (USA) KSU, Dip, KSL
Seth Adams Anunda is the lead counsel and managing partner at AON Advocates LLP. He holds a Bachelor's degree in Law from Kisii University, a Master's in Law from Loyola University (USA), PhD Candidate, Northwestern Law School and a diploma from the Kenya School of Law. He has been an advocate of the High Court of Kenya for four (4) years standing as well as a member of the Law Society of Kenya. Anunda is also a member of the Washington State Bar Association.
Oscar Onsarigo
LLB (hons) KSU, Dip, KSL
Oscar Onsarigo holds a bachelors degree in laws from Kisii University, Kenya and a Diploma in Law from the Kenya School of Law. In addition to being an Advocate of the High Court of Kenya, Onsarigo prides himself in criminal and land law expertise alongside his astute acumen in commercial transactions. He is also a member of the Law Society of Kenya.
Lamech Nyamari
LLB (hons) KSU, Dip, KSL
Lamech Nyamari holds a bachelors degree in laws from Kisii University, Kenya and a Diploma in Law from the Kenya School of Law. In addition to being an Advocate of the High Court of Kenya, he is an IP, Tech Law and Immigration law expert also a member of the Law Society of Kenya.
Barongo Nyamari
LLB (hons) JKUAT, Dip, KSL
Barongo Nyamari holds a bachelors degree in laws from JKUAT Law School, Kenya and a Diploma in Law from the Kenya School of Law. In addition to being an Advocate of the High Court of Kenya and also a member of the Law Society of Kenya, Barongo Nyamari is a gifted, thorough, methodical and articulate courtroom lawyer who handles complex disputes in business, commerce or even employment with unmatched ease.
Contact & Inquiries
Connect directly with our advocates. We maintain active case registries across our Nairobi metropolis chambers and Western Kenya regional offices.
Telephone & 24/7 Hotline
0769894071 / +254 769 894 071Round-the-clock emergency support & consultation.
Digital Portal
aonadvocates.wordpress.com
Official domain repository & articles.
Nairobi Metropolitan Chambers
Ngong Towers, 1st Floor
Ngong Town, Nairobi Metropolis, Kenya
AON Nairobi Chambers
Ngong Towers, 1st Floor
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