HEXALON is a 6-partners firm of Accountants providing Audit/Assurance, Accountancy, Taxation, and Advisory services.

HEXALON is formed, following the amalgamation of five (5) firms(Green Audit Systems; established in 2010, Gbadebo Muideen & Co, Adegboyega Omotinya & Co, Chinwe Obioma & Co and Orosanya Omotayo & Co), and the partnership so established by the like-minded partners who realized that the time was right to combine their successful and flourishing individual firms in order to best serve the growing needs and demands of current clients, and also to be best positioned to deliver efficient value-added services to a broader spectrum of domestic and offshore business entities.

HEXALON is a member firm of GM International, an international network of over 67 independent professional firms, with presence in over 48 countries and about 187 member offices.

The combined annual revenue of the firms is approximately US$273m, and we have established an enviable reputation as a high-quality firm totally committed to its clients. That reputation is built on the thoroughness and integrity of audit practice that we render.

Vision Statement

To be a pre-eminent Audit/Assurance, Accounting, Taxation and Advisory services firm in Nigeria, with deliverable value within and outside the country.
The firm will be an institution synergistically larger than its complement of Partners and staff at any time, and will cultivate and maintain a culture of excellence which will endure over generations.
HEXALON will always strongly emphasize long-term Client-Firm relationships, constantly evolving in order to meet growing client needs and requirements.

Clarity Quality

We initiate clear and direct action. We are open and transparent at all times. We are consistent with our approach. We convey our message plainly and concisely, avoiding jargon.
We apply the highest standards of quality to our work. We adopt a policy of continual staff up skilling and member adherence to our network requirements. We constantly question, review and test compliance with these standards through strict adherence to our Standard Operating Procedures. We are all party to the HEXALON Commitments.

Mission Statement

Our mission is to provide comprehensive, affordable and value-adding professional services to all clients with complete independence and integrity, in an efficient and effective manner, whatever their size and wherever they are located.


We have an appetite for progress. We strive to exceed our clients’ expectations by being responsive, by being creative and by going the extra mile to deliver superior outcomes. We require our people to continue to grow personally and professionally by providing opportunities and training. We embrace diversity and respect individual and cultural differences. Foremost we encourage everyone at HEXALON to love what they are doing and to reflect this in their client relationships. At HEXALON, we are very much like a family.


Our individual voice defines us in our communities and local markets but our collective integrity is what sets us apart. We have shared standards and mutual respect for entrepreneurs and influential leaders, which extends our voice and reach. There is recognition of the individual partner who represents our firm and a strong sense of support and encouragement to make things happen, together.

We look forward to doing great things with you
anywhere in the world.