In brief: Use the first 90 days to build a repeatable management cycle, not to complete every ESG ambition. Month one establishes ownership, scope and priorities; month two builds controlled baseline data and actions; month three reviews results and prepares an honest first disclosure.
SMEs often face customer questionnaires, financing requests and reporting expectations before they have a dedicated sustainability team. A focused roadmap can use existing management, finance, procurement, HR and operations roles. The key is to limit the scope, document decisions and avoid claims that run ahead of evidence.
Days 1–30: ownership, boundary and priorities
Appoint a sponsor and coordinator, identify affected functions and define the organisational boundary. Review customer, lender, regulatory and business needs. Select a manageable set of material issues and record why they matter.
Days 31–60: baseline and data controls
Choose a small number of useful metrics, define units, periods, sources and owners, and collect the first baseline. Mark estimates and gaps. Create a shared evidence location and independent review step.
Days 61–75: actions and resources
Select practical measures linked to the baseline, such as energy control, waste prevention, supplier engagement or workforce improvements. Assign owners, milestones, cost and expected outcome. Separate immediate no-regret actions from longer investments.
Days 76–90: review and communicate
Management reviews the evidence, limitations, progress and next-stage resources. Prepare a concise disclosure that explains scope, methods, results, gaps and planned improvements. Avoid implying certification, compliance or performance not supported by evidence.
A practical implementation sequence
Use a weekly delivery table with one owner and one evidence reference for every task. Keep the first cycle intentionally small enough to finish. At day 90, approve the next six-month priorities based on what the baseline revealed.
- Name the sponsor, coordinator and functional owners.
- Define scope, drivers and a short material issue list.
- Build controlled baseline data for selected metrics.
- Approve actions, milestones, costs and expected outcomes.
- Publish a bounded disclosure and next-stage plan.
For every step, retain the owner, source, reporting period, method, version, reviewer and known limitations. Estimates can be useful during transition, but they should never be presented as measured data.
Decision risks to control
- Trying to cover every ESG topic in the first cycle.
- Buying software before definitions and owners are clear.
- Publishing broad commitments without baseline or resources.
The 90-day pack should include governance notes, scope, issue prioritisation, data dictionary, source records, baseline, action plan, management review and approved disclosure. This becomes the starting point for the next cycle.
Frequently asked questions
Can an SME complete ESG in 90 days?
No. The aim is to establish a credible first cycle, baseline and priorities that can be improved over time.
Does the company need ESG software?
Not initially. Clear ownership, definitions, evidence and review should come before selecting a system.
How many metrics should the first baseline include?
Use a small set tied to material issues and real decisions. Quality and repeatability matter more than volume.
What should the first disclosure say about gaps?
State the scope, methods, estimates, limitations, actions and timetable honestly, without presenting future work as completed performance.
Authoritative sources
- IFRS S1 General Requirements for Disclosure of Sustainability-related Financial Information
- GRI 3 Material Topics 2021
- The Ten Principles of the UN Global Compact
- OECD Due Diligence for Responsible Business Conduct
This article is for general information and education only. It is not legal, investment, financial, assurance, certification, compliance or other professional advice.