The firm of Oyediran Faleye Oke & Co was registered to practise as a firm of Chartered Accountants in Nigeria in 1973.  The firm which was an associate of Coopers & Lybrand was established in response to the Indigenisation Decree promulgated by the Federal Military Government of Nigeria in the early seventies to provide audit, taxation and consultancy services to mainly multinational Companies like the United African Company of Nigeria Plc (UACN), an associated company to Unilever International, Lever Brothers of Nigeria Plc, The Lion of Africa Insurance Company Limited and the UNIC Insurance Plc amongst others.  The firm derived its name from the last names of the first 3 (three) indigenous Partners of the firm of Coopers & Lybrand, which came to Nigeria for the first time in 1953.Oyediran Faleye Oke  & Co was severed from the umbilical cord that bound it with Coopers & Lybrand with effect from 1 July 1998, following the merger of the firms of Coopers & Lybrand with Price Waterhouse worldwide.  Consequent upon the merger, the firm, Oyediran Faleye Oke & Co joined BDO International B.V.

Horwath Dafinone (Formerly D. O. Dafinone & Co.) is one of the leading indigenous Chartered Accountancy firm in Nigeria and the West Africa region. Through our affiliation with Horwath International, we have a global reach. We specialize in Accountancy, Audit, Taxation, Assurance, Corporate Finance, Risk Management, Liquidation and Receivership, Property, VAT, Advisory, Financial and Consultancy Services.

Sola Oyetayo & Co. Admitted to AGN (Accountants Global Network)
Sola Oyetayo & Co. is a member firm of AGN International, a leading worldwide association of accounting and consulting firms, which currently comprises some 211 member firms with 500 office locations in 89 countries. It ranks 10th largest network world-wide (after the Big Four).

Many AGN firms rank in the top 15 accounting firms in their respective countries and are leaders in their professions. They provide companies with cost-effective and personal services. The network is unequalled for expertise, professional experience and business knowledge.

Our reputation for high quality and personal service secured our membership in AGN International. Involvement in the organisation enhances our capabilities, ultimately benefiting each of our clients. Being part of this association offers us an unrivalled opportunity to offer our clients top quality, professional and personal service.

SULAIMON & CO (Chartered Accountants) was founded in 1985 (prior to which date it existed as Egunjobi, sulaimon & Co). it is currently ranked amongst the leading firms in Nigeria.

SULAIMON & CO is a member of Nexia International, an international network of accounting and consulting firms, registered with the World Bank under the registration number 653. The network currently has 14,000 professional staff approximately serving members in 96 countries with annual turnover of over US $1.6 billion.
SULAIMON & CO has developed a strong professional team capable of delivering
Financial assurance and integrated consultant services in management and finance to private public and NGO’s sectors.

Ahmed Zakari & Co. (Chartered Accountants) is a young firm of chartered accountants licensed and approved by the Institute of Chartered Accountants of Nigeria (ICAN) to practice as External Auditors. The firm is also registered by the Securities and Exchange Commission (SEC) to act as Reporting Accountants. The firm operates as a centralized coordinated organisation with one central office in Kano and one branch offices in Lagos. From its origin in 1995, Ahmed Zakari & Co. has expanded and developed into one of Nigeria’s fastest growing, indigenous, independent professional accounting, auditing, taxation and business consulting practices. Backed by a multi-disciplined team of professionals comprising accountants, lawyers, insolvency, tax and investment specialists, the firm, through its operating companies - Everest Capital and Consulting Limited, AZ Tax Consulting and Ahmed Zakari & Co. (Chartered Accountants) has been able to tailor its services to the needs of its clients. The overriding aim is to make the maximum contribution to the success of each and every client.

The firm started as a sole practice in 1979 and has undergone 4 structural changes thereafter. 
Presently we are made up of Six Partners who are very versed in our specialized areas.
 
We are currently the toast of the taxpayers. We dictate the pace of tax practice in Nigeria and have consistently displayed winsome professional minds on technical matters that require judgments and opinions on the tax laws and practice. This has earned us respect from the Revenue Authorities and has also made us the preferred choice of many taxpayers.
We are the pioneer of Personal Income Tax Services in Nigeria and the biggest indigenous tax practice in Nigeria. We have just developed a tax heath check program which is aimed at providing a platform for diagnosis of self (good or bad) tax compliance status and a means of obtaining panacea for diagnosed tax management problems.

J. K. Randle & Co. is one of the largest indigenous firm of Auditors and Chartered Accountants in Nigeria with the back up of a reputable firm of Information and Communication Technology Consulting, Management Consulting, Tax Consulting and Company Secretarial Services firm known as Sloane, Burford and Fullbright Consulting.

Our philosophy has been to develop to cater for our clients' needs whenever required, but not to grow for the sake of size alone. Our growth has been organic and we have never been involved in a major merger. As a firm we are small enough to provide a personal service but large enough to have available specialist expertise in all areas.

SIAO is a merger of 4 Firms (Smith Sule & Co, Ighodalo & Co, OA Consulting, Robert Ade-Odiachi & Co) with combined post qualification experience of over 80 years. These partners, who previously ran highly successful accounting and financial consulting firms of their own, decided to come together to combine competences to form a single entity with the scale and ability to meet the needs and challenges of today's market.

The Firm was established in July 1999 with the intention of providing high quality professional services to clients in various sectors of the economy. The firm is principally driven by sound professional and business principles geared towards providing value added services through highly experienced and well-trained professionals.

We are affiliated with Independent Accountants International (IAI), an international association of independent accounting and consulting firms located around the globe.

The firm is duly registered with the following:

Institute of Chartered Accountants of Nigeria
The Chartered Institute of Taxation
The Securities and Exchange Commission
The office of the Auditor General of the Federation
The Bureau of Public Enterprise

Messrs. Alatta, Nzewi & Co., is a multi-disciplined firm of Chartered Accountants and Management/Financial Consultants, duly registered with the European Commission for the management of community aid to non-member countries. The firm is also registered as chartered accountants with the Office of Bureau of Public Enterprises. The firm evolved as a result of a merger between two firms - Messrs. Ndubuisi Alatta & Co. and Messrs. Azubueze Nzewi & Co. in 1985. The essence of the merger was to enable the firms pool resources together in order to ensure wider client coverage and greater efficiency in service delivery. Over the years, the firm has grown tremendously in all spheres of professional practice thereby justifying the wisdom in the merger and fulfilling the vision of the founding partners of the firm.
Our foremost interest in every assignment is our client’s satisfaction, its project interest, goals, objectives, targets and functionality.

Aminu Ibrahim and Co. (Chartered Accountants) was established in 1980 by Alhaji Muhammadu Aminu Ibrahim, a Fellow of the Institute of Chartered Accountants of Nigeria and the Chartered Association of Certified Accountants of the United Kingdom.

The firm’s services are geared towards cultivating an insight into the client’s affairs through constant interaction which produces value- oriented services from the client’s point of view.

The Firm of Bola-Sadipe & Company was registered early in 1980 to undertake the professional practice of accountancy. A Nigerian Company, B-Sec Associates Limited was incorporated in 1982 to carry on the Secretarial Department of the firm. The Firm presently has offices in Lagos, Oshogbo, Kaduna which cover Lagos State, Western States Kwara and northern States. Another office proposed for Port-Harcourt would cover Eastern States.Bola Sadipe & Co. is a reputable frim of chartered accountants with almost three decades (as at 2009) of experience in the Nigerian business environment.

The company is established to providing a wide range of high quality professional services to clients.
We are registered as reporting accountants by the Securities and Exchange Commission (SEC) and have functioned as : Lead reporting accountants for Regency Insurance Plc in their merger with Destiny
Insurance Company Limited, Nigerian Alliance Assurance Corporation Limited and Capital Express General Insurance Limited.

We are a firm of Chartered Accountants and Management Consultants who registered with the C.A.C in 1997 after having obtained our practicing license from ICAN in 1983. We have since 1997 been successful at providing professional consultancy to business enterprises and government agencies in banking, commerce, marine and aviation industries.
We specialize in advising on financial, operation and general management systems, which play an important role in maintaining competitive advantage.

We are a firm of Chartered Accountants with offices in Lagos, Port-Harcourt, Yenagoa and Warri duly licensed by the Institute of Chartered Accountants of Nigeria in 1995, to provide Auditing, Accounting, Taxation and Management Services. The firm was registered with the Corporate Affairs Commission in 1996 and we commenced business in 1996.

Our firm, Omogoroye Okin Popoola & Co. was registered in December 2005 and commenced business in January, 2006. 
The partners of the firm are Messrs M. A. Popoola, I. Omogoroye and G. W. Okin.

Balogun Badejo & Co. (Chartered Accountants) was established on 1 April, 1969 and it is one of the largest indigenous practising firms in Nigeria offering to clients professional Auditing, Accounting, Tax, Insolvency, Financial and Management Advisory services.