Within Nigeria’s largest listed and privately held companies, the company secretary functions as the institutional memory of the organization.
Their role has evolved beyond documentation and minute-taking.
Today, they serve as strategic advisers to boards, ensuring that decisions are not only profitable but defensible, ethical, and aligned with regulatory expectations.
Behind every major resolution, merger, compliance filing, or board transition lies a trail of meticulous coordination led by these individuals.
The company secretaries of the top ten listed companies by market capitalisation operate at the core of institutions that collectively account for N86.95 trillion in market capitalisation.
That figure is not just a measure of corporate size, it is a reflection of the weight they carry daily. Every decision they guide, every process they validate all tie directly to companies that move markets and shape investor confidence.
Reaching this level requires more than technical expertise. As Nigerian companies expand across borders and attract global investors, governance standards are under sharper scrutiny. This shift is elevating the role of the company secretary from a support function to a central pillar of corporate leadership.
Here are the company secretaries of Nigeria’s largest firms, by market CAP in Q1 2026.

- Market CAP: N5.47 trillion
Titilola Omisore is the Company Secretary and Group General Counsel at Aradel Holdings Plc, which had a market capitalisation of N5.47 trillion as of Q1 2026.
She has been with the company since 2001 and plays a central role in its legal and governance structure.
She holds a BA in Political Science from the University of Illinois, Champaign-Urbana, and an LLB from the University of Buckingham. She was called to the Nigerian Bar after obtaining her BL from the Nigerian Law School. She later earned a Master’s degree in Tax Law from King’s College, University of London.
She began her career at Strachan Partners in 1993, where she later became a Partner before joining Aradel Holdings. Her experience spans corporate law, tax, and the oil and gas sector.
With over two decades of experience, she has been part of key transactions across the company, including acquisitions, joint venture partnerships, and equity raising. She also sits on the board of the company’s subsidiaries and its affiliate, ND Western Limited.













