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Deadlines
Deadlines

Every Nigerian sustainability reporting deadline.

Which mandate applies to your company, the first year you must file, and — the part most companies miss — what the disclosure filed that year actually reports on.
SEC

Listed companies, 2027

FRC

Public interest entities, 2028

SMEs

2030

Reports on

A completed financial year

6 min read
Reviewed September 2026

The three mandates

Each covers a different category of company. Confirm your own position against the primary sources at the foot of this page.

2027

SEC · Listed companies

Listed companies file sustainability disclosures.

2028

FRC · Public interest entities

Public interest entities report under the national framework.

2030

SMEs · Small & medium enterprises

The reporting net widens to smaller companies.

Why the filing date is the wrong deadline to plan against

This is the single most expensive misunderstanding in Nigerian sustainability reporting, so it is worth stating plainly.

A sustainability disclosure reports on a completed financial year. If your first mandatory reporting year is 2027, the document you file describes what happened during 2027 — which means the meter readings, fuel deliveries and supplier responses it is built from are being generated now, and either being captured or being lost.

Companies that plan against the filing date arrive at it with no data and one option: reconstruct a year from old invoices, bank statements and memory. That reconstruction costs more than the collection would have, takes longer, and produces a disclosure with a visibly weaker evidence trail — which is exactly what an assurance provider looks for.

Plan against the start of the reporting year instead. That is the deadline that determines what your first disclosure can say.

Work out your own first reporting year

Deadlines that arrive before the mandate does

For a large number of Nigerian companies, the binding date is set by somebody other than the regulator.

  • Your customers’ Scope 3 reportingWhen a listed company or a bank starts reporting Scope 3, it generates data requests to its suppliers on its own timetable — typically a full mandate cycle before those suppliers have any obligation of their own. Being unable to answer is increasingly a commercial problem rather than a compliance one.
  • Lender and investor requirementsSustainability-linked facilities, green bonds and development finance all test disclosure quality at the point of the transaction, not on a regulatory calendar. If you expect to raise in the next three years, that is your deadline.
  • EU buyer requirementsCBAM and the deforestation regulation place obligations on your European customer that they will pass to you. Exporters of covered goods routinely face these years before anything Nigerian reaches them.
  • Tender and procurement questionnairesLarge private and public buyers are adding emissions questions to procurement well ahead of any mandate. A blank answer is scored as a blank answer.

What to collect, in order of how expensive it is to recover

Start with what cannot be reconstructed. Everything here can be captured by one person with a folder and a discipline.

  1. Electricity billsEvery meter, every period, with the bill itself retained. Recoverable from your DisCo but slowly and incompletely.
  2. Fuel deliveries and receiptsDiesel and petrol, per generator and per vehicle where possible. Partially recoverable from suppliers, rarely at the granularity you need.
  3. Generator run logsOften kept on paper at the site and thrown away. Effectively unrecoverable after the fact.
  4. Governance recordsBoard and committee minutes showing sustainability was considered. Cannot be created retrospectively without misrepresenting what happened.

Find your own date

The deadline checker asks four questions and returns your first mandatory reporting year, the framework you file under, and what to start collecting. No email needed to begin.

Questions

Our financial year is not the calendar year. How does that work?

Your sustainability disclosure aligns with your financial reporting period, not the calendar. If your year ends in June, your first mandatory reporting period is the financial year that falls within the mandate’s first year — which can mean your data collection needs to begin earlier than a calendar-year company’s. Confirm the alignment with your auditor.

Can we voluntarily report earlier?

Yes, and there are good reasons to. A voluntary cycle before the mandate is the cheapest possible dry run: you find the gaps with no regulatory consequence, and you arrive at your first mandatory year with comparatives you were not required to have.

What if the dates move?

They might. Adoption timetables have shifted in several jurisdictions. What does not move is the data: a company that has been collecting for two years is ready whenever the date lands, and a company that has not is exposed to the date being brought forward as much as to it being pushed back.

Check this yourself

A summary of a regulation is not the regulation. These are the primary documents this page is based on.

Financial Reporting Council of NigeriaFRC NigeriaThe adoption roadmap and effective dates. Confirm here before planning against any date, including the ones on this page.
Securities and Exchange Commission, NigeriaSEC NigeriaRequirements and timing for listed companies.
IFRS Sustainability Standards Navigator — jurisdictional profilesIFRS FoundationAdoption status and timing by jurisdiction, including Nigeria.
SEC 2027 · 105 days

File with confidence, before the deadline files you.

Companies that start now collect a full clean year before they ever have to file. Companies that start late reconstruct one — and that is the expensive part.

Check your deadline

Four questions, and you get the year you first file, the framework, and what to collect first.

Read the requirement

Plain-language explainers of the FRC and SEC rules, ISSB S1 & S2, and what each asks you to disclose.

Compare the cost

What a consultant-led reporting cycle costs against an annual licence, in Naira.