Facing a tax audit from the Federal Inland Revenue Service or a State Internal Revenue Service?

WE provide expert, end-to-end tax audit management for businesses and individuals across Lagos and Nigeria. Our authorised practitioners handle everything from pre-audit book reviews and formal representation before revenue officers, to assessment objections, negotiation of agreed liabilities, and the issuance of your final tax clearance certificate. We cover all tax types — CIT, VAT, PAYE, WHT, Education Tax, and Capital Gains Tax — and serve clients across all 36 states. Let us protect your business from excessive assessments and penalties.

Facing a back duty investigation from the FIRS or a State Internal Revenue Service?

We provide specialist representation for individuals and businesses under investigation for historical tax underpayments in Nigeria. We manage the full process — from the first notice through document production, assessment challenge, and negotiated settlement — acting as your sole point of contact with investigators. We also offer a proactive voluntary disclosure service to help clients regularise past liabilities before a formal investigation begins. Based in Lagos, serving clients nationwide.

Protect your investment before you commit. We provide financial, tax, and regulatory due diligence for acquisitions, joint ventures, investments, and lending decisions across Nigeria. We independently verify the financial performance, tax compliance, working capital profile, and regulatory standing of target businesses — quantifying risks and liabilities that arenot visible on the surface. We act for buyers, sellers, investors, and lenders, delivering clear, board-ready reports aligned to your transaction timetable. Based in Lagos, serving clients and transactions across all 36 states.

Ensure compliance and make informed strategic decisions. Phillip Eze Osuji & Co. provides professional preparation of statutory and management financial statements for companies, partnerships, and non-profits across Nigeria. We prepare full year-end statements, notes, and disclosures in strict compliance with IFRS, CAMA 2020, and Financial Reporting Council of Nigeria (FRCN) standards. From general ledger reconciliation and adjusting journals to audit-ready support packages and group consolidations, we deliver clear, accurate financial reporting that speeds up audits and supports tax filings. Based in Lagos, serving clients nationwide.

Ensure compliance, safeguard company assets, and build credibility. Phillip Eze Osuji & Co. provides independent statutory financial audits, internal control reviews, and special investigations for businesses, non-profits, and joint ventures across Nigeria. Registered with the Financial Reporting Council of Nigeria (FRCN) and ICAN, we conduct audits in strict accordance with International Standards on Auditing (ISAs) and CAMA 2020. Our partner-led approach delivers clear management feedback and recommendations to strengthen controls and improve systems, preparing your business for growth and regulatory compliance. Serving clients in Lagos and nationwide.

Uncover the facts and protect your business from financial irregularities. We provide independent forensic accounting, asset tracing, fraud detection, and litigation support for companies, partnerships, and legal counsel across Nigeria. Led by ICAN-qualified partners and registered with the Financial Reporting Council of Nigeria (FRCN), we combine accounting expertise with investigative rigor to reconstruct financial trails, quantify damages, and prepare court-admissible evidence. Whether resolving shareholder disputes, tracing diverted corporate funds, or auditing anti-fraud internal controls, we provide clear, evidence-backed findings under absolute confidentiality. Based in Lagos, serving clients nationwide.

Ensure absolute tax compliance and optimize your corporate tax liabilities. We provide professional preparation and filing of all statutory tax returns for businesses and individuals across Nigeria. Authorized by CITN and ICAN, we manage the entire compliance cycle, including Companies Income Tax (CIT), Value Added Tax (VAT), Withholding Tax (WHT), and monthly PAYE state tax returns. From compiling capital allowances and optimization of tax reliefs to FIRS TaxPro-Max portal filing and securing annual Tax Clearance Certificates, we provide a secure, proactive shield against late fees and audits. Based in Lagos, serving clients nationwide.

Validate your ventures and secure capital with independent analysis. We provide professional preparation of feasibility reports and studies for new ventures, expansions, and infrastructure projects across Nigeria. We build bank-ready financial projection models (NPV, IRR, payback metrics) and conduct comprehensive market, operational, and regulatory assessments that meet DFI (BOI, Nexim) and commercial bank standards. Our partner-led approach ensures projections are stress-tested against local currency, pricing, and operating risks, providing boards with reliable Blueprints. Based in Lagos, serving clients nationwide.

Recover outstanding debts and protect your cash flow. We provide professional debt recovery and investigation services for businesses, financial institutions, and partners across Nigeria. We combine financial intelligence, asset tracing, and legal coordination to locate debtors, reconstruct accounts, and recover outstanding liabilities without damaging business relationships. From commercial collections and bank reconciliations to asset searches and court-admissible evidence, we deliver results under absolute confidentiality. Based in Lagos, serving clients nationwide.

Recover excess withholding tax and reclaim VAT refunds. We provide specialized tax recovery services to unlock dormant capital for businesses across Nigeria. We conduct detailed audits of historical credit notes, verify input VAT transactions, and manage the complex importation of WHT credits onto the FIRS TaxPro-Max portal. From representing your firm during pre-refund audits to interfacing directly with tax officers, we help you secure cash refunds or tax offsets under absolute confidentiality. Based in Lagos, serving clients nationwide.

Navigate transactions and optimize tax structures with professional corporate finance, audit, and tax advisory services. Phillip Eze Osuji & Co. provides unified corporate advisory for companies, partnerships, and institutions across Nigeria. We assist with mergers & acquisitions, capital raising, corporate restructuring, pre-audit readiness reviews, and strategic tax planning. Our partner-led approach ensures your operations comply with CAMA 2020, IFRS, and revenue authority guidelines while protecting your long-term corporate value. Based in Lagos, serving clients nationwide.

Incorporate your company, register your business name, and secure ongoing compliance in Nigeria with professional corporate registry services. Phillip Eze Osuji & Co. is an accredited Corporate Affairs Commission (CAC) agent providing full-service corporate secretarial support for businesses, partnerships, and non-profits nationwide. We handle LLC incorporations, business name filings, NGO setups, annual returns compliance, and complex post-incorporation changes (share capital adjustments, director changes, and CTC retrievals). Secure your business needs efficiently under CAMA 2020 guidelines. Based in Lagos.