About Abimbola Odusanya & Co. (A.O. & Co.)

A professional accounting, tax and advisory firm serving modern organizations.

Abimbola Odusanya & Co. is a Lagos-based firm of chartered accountants providing audit, accounting, tax, management and advisory services to businesses, institutions and public-sector organizations.

Managing Director of Abimbola Odusanya & Co. in the Lagos office

Vision Statement

To be a leading provider of audit, tax, and assurance services, delivering exceptional value to clients through innovative solutions, expertise, and unparalleled customer service.

Mission Statement

To provide independent, objective, and high-quality audit and tax services that empower clients to make informed decisions while maintaining the highest standards of integrity, professionalism, and transparency.

Core Values

The firm is built around the professional behaviours clients expect from a trusted accounting and advisory partner.

Integrity

Upholding the highest ethical standards in all interactions.

Objectivity

Maintaining independence and impartiality in audit and assurance work.

Professionalism

Demonstrating expertise, competence and courtesy in all engagements.

Transparency

Providing clear, concise and timely communication to clients and stakeholders.

Quality

Delivering high-quality services that meet or exceed client expectations.

Why Choose AO & Co.

Clients work with AO & Co. when they need dependable professional service, clear financial reporting and practical guidance that supports everyday business decisions.

Audit, tax and advisory capability in one firm

Practical support for compliance and business controls

Experience serving organizations across multiple sectors

Lagos-based accessibility for hands-on client service

Governance, ICT and Emerging Practice Areas

The employee handbook also sets out how the firm approaches corporate governance, secure technology use and emerging audit trends.

Corporate Governance

AccountabilityTransparencyFairnessResponsibilityCompliance

ICT Policy Focus

Secure use of information and communication technology resources
Protection of client data and confidentiality
Use of ICT resources for legitimate business purposes
Compliance with relevant ICT laws and regulations

Emerging Trends

Artificial intelligence and machine learning in audit processes
Data analytics for financial trend and pattern analysis
Cloud computing for financial data storage and processing
Cybersecurity controls for protecting financial data
Environmental, Social and Governance auditing

Professional Memberships

AO & Co. aligns its work with recognized professional accounting, financial reporting and taxation bodies.

ICAN

Institute of Chartered Accountants of Nigeria

FRC

Financial Reporting Council of Nigeria

CITN

Chartered Institute of Taxation of Nigeria

Leadership Team

Abimbola Odusanya

Managing Director / Principal Partner

Provides firm leadership across client service, professional standards and advisory delivery.

Abimbola Odusanya & Co. assurance staff reviewing financial records

Audit & Assurance Team

Assurance Delivery

Supports audit planning, fieldwork, reporting and internal control reviews.

Abimbola Odusanya & Co. advisory team working with client files

Tax & Advisory Team

Tax and Business Support

Supports tax compliance, planning, business advisory and corporate management engagements.

Firm History

The firm was established to provide professional accounting, audit, tax and management advisory services to Nigerian organizations.

AO & Co. continues to serve clients from its Lagos office, supporting organizations that require practical financial consulting and dependable professional service.

Industries Served

SMEsNGOsEducational InstitutionsOil & GasSecurity ServicesInformation TechnologyManufacturingHealthcare