Advocates of the High Court of Kenya

Justice,
Delivered
with Precision.

Aaron O. & Associates Advocates is a boutique law firm headquartered in Nairobi, delivering client-focused legal solutions across Kenya and internationally.

Our Practice Areas Meet the Team
5+
Years of Practice
3
Senior Advocates
2
Office Locations
KSh50M+
Recovered for Clients
Committed to access to justice — from complex commercial disputes to pro-bono representation.
Who We Are

A boutique firm built on integrity and expertise

Originally founded with a focus on Litigation and Dispute Resolution, the firm has progressively expanded to encompass Real Estate and Conveyancing, Insurance, Banking & Securities, and corporate advisory on legal and regulatory compliance. We are headquartered in Nairobi, with a strategic presence in Mombasa County.

Client-FocusedTailored legal solutions that work with — not against — your operations and goals.
Pro-Bono CommitmentWe contribute legal expertise to pro-bono initiatives for underprivileged individuals on a needs-based approach.
Nationally PresentOffices in Nairobi and Mombasa, serving clients across Kenya and internationally.
Practice Areas

Our Services

Our dynamic team offers specially tailored services to ensure client needs are met without burdening the smooth flow of their operations.

01

Debt Recovery & Commercial Litigation

Results-oriented debt recovery for manufacturers, insurers, and suppliers. From demand letters to executing judgments — end-to-end, from Small Claims to Superior Courts. We lift the corporate veil where necessary.

02

Labour Law & Employment Litigation

Strategic support across wrongful termination, redundancy, and discrimination claims. Proactive pre-separation advice, employment contracts, HR manuals, and full workplace policy compliance.

03

Criminal Litigation

High-stakes defence and watching brief instructions for individuals and institutions. Safeguarding legal and reputational interests throughout investigations, prosecutions, and trial.

04

Banking & Securities

Legal counsel to banks, lenders, investment firms, and corporate borrowers. Loan and security documentation, regulatory compliance, capital raising, and cross-border transactions.

05

Real Estate & Conveyancing

Advising on sale, acquisition, leasing, and development of land and property. Title due diligence, sale agreements, leases, land control board consents, and stamp duty compliance.

06

Compliance Audit & ESG Advisory

Aligning business operations with legal, regulatory, and ESG obligations. Compliance audits covering governance, internal processes, statutory requirements, and responsible business frameworks.

The People

Advocates of the High Court of Kenya

Aaron Okoth Onyango

Aaron Okoth Onyango

Managing Partner · Employment & Labour | Legal Compliance

Advocate of the High Court, Certified Professional Mediator, and M.A. candidate in Development Studies at Mount Kenya University. Over five years of experience across Employment Law, Commercial Law, ESG matters, and Legal Audits.

LL.B — University of Nairobi
Post Grad. Dip — Kenya School of Law
Certified Professional Mediator
Published Author | LSK Member 2024
📞 +254 712 677 529
Alexander Thurunju Marima

Alexander Thurunju Marima

Partner · Mombasa Office Lead | Corporate Law

Strong background in conveyancing, commercial transactions, litigation, and legal compliance. Former Compliance Officer at a niche fintech firm with hands-on expertise in data protection, digital lending, and privacy law.

LL.B — Catholic University of Eastern Africa
Post Grad. Dip — Kenya School of Law
Founder, Sauti Yako Advocacy
LSK Member 2024 | 7 years' experience
📞 +254 708 416 904
John Gaturuku Gichohi

John Gaturuku Gichohi

Partner · Head of Finance, Real Estate & Conveyancing

Distinguished practitioner in Real Estate and Conveyancing, offering strategic end-to-end legal support across the property transaction life-cycle. Client portfolio spans individuals, corporations, developers, and financial institutions.

LL.B — University of Nairobi
Post Grad. Dip — Kenya School of Law
Legal Consultant & Researcher
LSK Member 2024
📞 +254 707 976 042
Legal Updates

Latest Articles

Client Testimonials

Trusted by clients across Kenya

Aaron possesses a rare combination of legal acumen and interpersonal finesse. Whether navigating complex regulatory frameworks, drafting contracts, or advocating persuasively in negotiations, he approaches each task with precision and purpose.

AS
Arthur Schout
Founder, Yieh Boats Ltd. — Kisumu

Aaron has been a key legal advisor for our organization for 4 years. His expertise in employment law, contract drafting, legal audits and due diligence has been conducted in a manner that is thorough and insightful. He gives himself wholly as part of a team.

B
Bornester
HR Manager, OdipoDev Limited — Nairobi
Get in Touch

Let's talk about your matter

We are ready to provide sound, strategic legal counsel — wherever you are.

Head Office — Nairobi
Fanaka North Crescent, Nyayo Estate,
Embakasi, Nairobi. P.O. Box 24664, G.P.O 00100
Branch Office — Mombasa
Mombasa County (Strategic Presence)