INSO Professional Services (Chartered Accountants)

INSO is a multi-disciplined professional, accounting and business advisory services firm delivering services to address specific goals rather than selling pre-existing products that may not be suitable to your accounting and business advisory needs. The wide range of accounting and business advisory services we offer is only a starting point. We prefer to ask our clients what they want to achieve and then provide the expertise to achieve them.

Our firm aims at building client relationships by investing time with clients' organizations to understand their long term needs and using our expertise to give clients an edge over their competitors.

It is incorporated with the Corporate Affairs Commission of Nigeria as a firm of Chartered Accountants with bias in Audit, Finance & Accounting Systems, Taxation, Business and Financial Advisory Services.

Our firm collaborates with Joebutch & Company LLC,a USA based Certified Public Accountants in peer reviews, quality control and assurance matters.


INSO Professional Services (Chartered Accountants)’s Vision is “to be a professional services firm of repute building relationships on a good understanding of our clients’ needs with transparency, accuracy and adding value to all stakeholders – our client, our staff and environment”


Our Objectives:

To be a professional advisory firm with a global reach.
To be a firm dedicated to consistent and high quality standards of financial reporting and auditing practices
To offer a wide range of business advice and accountancy services that meet the needs of individual clients in their local markets
To grow our practice producing dedicated professionals with international expertise

The firm’s policies and strategies therefore are aimed at engaging best practices in our service deliveries with value addition to its clients, its people, and its environment.


We are a firm duly licensed by the Institute of Chartered Accountants of Nigeria and granted permission to practice in Nigeria.

Our Reputation 

Our work is driven not by what we have to sell but by what our clients most need from us with a reputation for integrity and professionalism

Our Experience

Our partners have been in practice for many years rendering quality services to diverse clients in various sectors.

Our Personnel

We engage qualified and experienced personnel who are current and up-to-date.

Confidentiality and Independence

It is our policy to keep confidential all information we obtain for each and every assignment we perform.