Corporate Governance & Statutory Compliance
Comprehensive Corporate Affairs Commission (CAC) management—incorporations, post-incorporation filings, share restructuring, and annual returns. Specialized regulatory alignment and compliance auditing.
Abuja · NigeriaCombining deep local knowledge of the Nigerian legal ecosystem with international best practices. We deliver corporate advisory, land compliance, commercial litigation, and private wealth management—structuring businesses and estates to mitigate regulatory vulnerabilities before disputes arise.

RG Castle Law Firm is a full-service corporate, commercial, and private client law practice headquartered in Abuja, Nigeria. We provide targeted statutory compliance and corporate legal frameworks designed to protect your business, bridging strict legal compliance, business strategy, and personal estate protection. Our team structures businesses and estates to mitigate regulatory vulnerabilities before disputes arise, and delivers trial-tested advocacy when litigation becomes necessary.
Aligning legal frameworks directly with your commercial bottom line.
Resolving regulatory and operational bottlenecks before they manifest as court battles.
Total protection extending from the corporate boardroom to personal family estates.
Integrating modern digital security, data governance, and advanced negotiation mechanics.
"We understand that engaging an international law firm is a matter of absolute trust. Our clients benefit from transparent, predictable fee structures, rapid communication channels, and a dedicated principal attorney assigned to oversee every single brief. We treat your business as our own."
Every client receives direct, dedicated partner attention—zero unsupervised files.
Cross-disciplinary partnership across corporate, litigation, and private client sectors.
Advisory aligned with international standards and Nigerian regulatory frameworks.
"We needed our commercial leases and vendor contracts completely overhauled. RG Castle handled everything smoothly, pointing out several hidden liabilities we would have completely missed on our own."
"When my business partner and I decided to restructure our company ownership, the team provided clear, straightforward guidance. They made a complicated legal transition very easy to understand."
"A contract dispute with a long-term supplier threatened to halt our entire operation. The firm stepped in quickly and resolved the issue through mediation, saving us a massive amount of time and court fees."
"As a growing business, keeping up with local regulatory compliance was becoming overwhelming. RG Castle took that weight off our shoulders, allowing us to focus entirely on scaling our operations."
"Excellent legal support for everyday business operations. They are highly responsive, professional, and explain complex legal terms in plain language that actually makes sense to a business owner."
A full-service offering engineered for resilience—covering everything from boardroom strategy to courtroom advocacy.
Comprehensive Corporate Affairs Commission (CAC) management—incorporations, post-incorporation filings, share restructuring, and annual returns. Specialized regulatory alignment and compliance auditing.
Rigorous title searches, perfecting titles, processing Governor's Consent, and regularizing land documentation. Vetting commercial leases, joint venture contracts, and construction briefs across Abuja and Nigeria.
Drafting and vetting MoUs, NDAs, complex service-level partnerships, and strategic legal correspondence (demand notices, formal responses) designed to insulate businesses from liability.
Transcending traditional legal counseling. Advising on risk mitigation during corporate transitions, cross-border expansions, infrastructure projects, and high-stakes commercial transactions.
Protecting personal legacies with absolute discretion. Estate Planning (Wills, family trusts, estate administration). Matrimonial Causes (divorce, asset settlement, child custody) handled with deep empathy and privacy.
Deploying advanced mediation and tactical negotiation to resolve disputes privately. Where courtroom litigation becomes inevitable, providing aggressive, trial-tested advocacy before all superior courts of record.
RG Castle Law Firm actively integrates modern legal research tools, AI-powered due diligence frameworks, and robust cybersecurity and data protection advisory (NDPR compliance) into our practice—ensuring our clients are thoroughly insulated in the digital age.
At RG Castle Law Firm, we understand that property is one of your most valuable assets. Whether you are acquiring commercial real estate, developing land, or managing a property portfolio, our team provides the legal expertise you need to secure your investment.
We offer comprehensive property law services including:
Secure titles. Smart leases. Resilient portfolios.
A senior, cross-disciplinary team handling every brief with focused legal, advisory, and operational support.

Partner — Head of Strategy & Forensic Advisory
Raphael Usuomon is a distinguished legal scholar and business strategist. He holds a Master of Laws (LL.M) in Administrative and Legislative Studies and is currently pursuing a Doctorate. He possesses profound knowledge in governance and business mechanics. He is a Chartered Mediator (AICMC) and a certified Forensic Studies professional. Raphael combines deep academic rigor with sharp business acumen, providing high-level strategic advisory on risk mitigation, forensic investigations, and complex corporate structures.

Co-Founding Partner — Head of Corporate & Legal Tech Innovation
Geraldine is a strategic, results-oriented legal practitioner with deep experience in litigation management, corporate governance, and regulatory compliance. She holds specialized certifications in Negotiation, Forensic Studies, and Human Resources (University of Minnesota), alongside professional qualifications in Microsoft Security Essentials, AI-Powered Protection, and Data Governance. Awaiting her ICSAN results, Geraldine seamlessly bridges law, business strategy, and emerging technologies to deliver secure, practical solutions for modern enterprises.

Litigation Associate
Theresa is a dedicated and career-driven legal professional with experience in general litigation and corporate administration. She is skilled in drafting pleadings, reviewing legal documents, and managing client briefs. Her background in administrative functions and legal secretarial support ensures seamless case management and efficient communication, making her an invaluable asset to the firm's litigation and compliance teams.

Administrative & Operations Associate
Chizoba drives the operational and administrative efficiency of the firm. Holding a background in Business Management, she specializes in corporate workflow optimization, client relations, and structural governance support, ensuring seamless executive delivery across all practice areas.
Essential legal considerations for foreign investors entering Nigeria.
By RG Castle Law Firm, Firm-wide
~4 minutes
A practical guide to Nigeria's data protection laws and compliance obligations.
By Geraldine Raphael-Usuomon, Co-Founding Partner
~4 minutes
Protecting your commercial interests in Nigerian contracts and disputes.
By Raphael Usuomon, Partner
~4 minutes
Step-by-step guide to registering a company with the Corporate Affairs Commission (CAC) — costs, timelines, and requirements.
By RG Castle Law Firm, Firm-wide
~5 minutes
Reach out via our virtual desk or visit our office to discuss how we can secure your commercial interests.
Plot 4 Wole Soyinka Avenue, Gwarinpa, Abuja, Nigeria.