Embedding ESG in corporate DNA

There is a dangerous illusion many organisations still cling to; they believe that sustainability can be “managed” from the sidelines, captured in glossy reports, and reviewed once a quarter. Let me tell you for free today, it cannot.

The assertion that real change happens when sustainability becomes everyday culture, not a quarterly report, is not only valid; it is now backed by evidence, experience, and the shifting realities of business in Nigeria and across Africa.

Research consistently shows that organisational culture is a decisive driver of environmental and social performance. In the Nigerian context, studies confirm that companies with embedded sustainability values significantly outperform those that treat ESG as an external obligation, because culture shapes behaviour, and behaviour ultimately shapes outcomes.

In simple terms, what people do every day matters more than what companies disclose once a year.

From reporting to reality

For years, ESG in many African corporations has been compliance-driven, only focused on ticking boxes, satisfying regulators, or appealing to investors. Reports were produced. Metrics were tracked. But the organisation itself often remained unchanged.

That is no longer sufficient.

Across Nigeria, leading corporations are undergoing a quiet but profound shift; they are repositioning ESG from a reporting requirement to a core business strategy. Companies in banking, manufacturing, and consumer goods are now embedding sustainability into decision-making, risk management, and operational execution because they recognise it as a driver of competitiveness and resilience.

This evolution reflects a deeper truth: ESG does not deliver value when it is peripheral. It delivers value when it is intrinsic.

Culture: The missing link

The most sophisticated ESG framework will fail in an organisation whose culture does not support it. Governance policies, environmental targets, and social commitments cannot thrive in isolation from everyday behaviours.

Evidence from emerging markets shows that corporate culture, particularly innovation-driven culture, has a measurable impact on ESG performance, with stronger cultures correlating with significantly higher ESG scores.

Why? Because culture answers the most important question in ESG implementation:

What do people do when no one is watching?

Do procurement teams prioritise sustainable suppliers without being told?

Do middle managers factor social impact into operational decisions?

Do employees feel accountable for environmental outcomes beyond compliance?

If the answer is no, ESG remains cosmetic.

The Nigerian reality

In Nigeria, the gap between ESG ambition and execution remains wide. While frameworks are evolving and disclosures improving, many organisations are still at the early stages of true integration.

Yet there are encouraging examples.

Financial institutions are embedding ESG risk assessments into lending decisions. Manufacturing firms are investing in cleaner production processes not just for compliance but for efficiency and long-term cost reduction. Forward-looking companies are linking executive compensation to sustainability outcomes.

These are not reporting exercises. They are cultural shifts.

Why embedding matters

Embedding ESG into corporate DNA delivers three critical advantages:

1. Consistency
When sustainability is cultural, it is not dependent on leadership cycles or external pressure. It becomes self-sustaining.

2. Credibility
Stakeholders: investors, regulators, and communities are increasingly able to distinguish between authentic commitment and performative reporting. Authenticity builds trust, and trust unlocks capital.

3. Competitiveness
In today’s market, ESG is not a cost centre; it is a strategic lever. Nigerian corporates that embed ESG are already seeing improved access to capital, stronger reputations, and reduced operational risk.

The leadership imperative

Embedding ESG in corporate DNA is ultimately a leadership challenge. Boards and executives must move beyond endorsement to ownership.

Embedding ESG requires the following:

1. Aligning ESG with core business strategy, not treating it as an add-on

2. Integrating sustainability into KPIs, incentives, and performance management

3. Building internal capacity and accountability across all levels

4. Leading by example, because culture is set at the top but lived at every level

As I have often emphasised, ESG is the new foundation for sustainable business. But foundations are not visible in reports; they are embedded in structure, reinforced daily, and tested over time.

A final thought

The future of ESG in Nigeria and Africa will not be defined by who produces the most comprehensive reports. It will be defined by who builds organisations;

Where sustainability is instinctive.
Where decisions naturally consider impact.
Where accountability is shared.
Where doing the right thing is not an exception but the norm.

Because in the end, sustainability is not what we say. It is what we repeatedly do.

Sarah Esangbedo Ajose-Adeogun is the Founder and Managing Partner at Teasoo Consulting Limited, a foremost ESG consulting firm. She is a former community content manager at Shell Petroleum Development Company and served as the special adviser on strategy, policy, projects, and performance management to the Government of Edo State. She is also the host of the #SarahSpeaks podcast on YouTube @WinningBigWithSarah, where she shares insights on leadership, strategy, and sustainable growth.