Seeking Investment? Why Private Businesses Should Not Wait on Sustainability
Investors are already assessing sustainability-related risks and opportunities through the lens of valuation, resilience and exit readiness. Private companies should be ready before diligence starts.
Not every private UK business is in scope of Climate-related Financial Disclosure rules or the new Sustainability Reporting Standards.
But that does not mean sustainability can be ignored.
If your business was raising capital tomorrow, could you explain which sustainability-related risks and opportunities could affect performance, resilience or valuation?
That is a different question from:
Have you published a sustainability report?
And it is a much more useful one.
Start with financial materiality
As a chartered accountant, I naturally come at this from a financial materiality perspective.
In simple terms, the question is whether an issue could affect the decisions investors, lenders or other capital providers make about a business.
That is the lens private companies should apply to sustainability.
This is not about producing a glossy report, mapping activity to the UN Sustainable Development Goals, or treating Streamlined Energy and Carbon Reporting as the end point.
It is about understanding which sustainability-related risks and opportunities are financially material to the business.
That may include climate. But depending on the sector, business model and geography, it may also include biodiversity, pollution, water, resource use, workforce issues, product quality, supply chain resilience or circularity.
The point is not to cover every possible topic.
The point is to identify what matters commercially.
What investors will want to see
Investor expectations are moving faster than regulation.
Even if a private company is not currently required to report under Climate-related Financial Disclosure rules or UK SRS, investors may still expect clear, decision-useful information.
In practice, they are unlikely to be satisfied by broad commitments or generic sustainability statements.
They will want to understand:
which issues are financially material
how those issues connect to cost, growth, cash flow, resilience, risk or valuation
whether they are integrated into strategy, planning, governance and management information
what evidence supports the story
Investors do not underwrite intent. They underwrite evidence.
This is already happening in private markets
This is not theoretical.
Recent research from Stanford University’s Long-Term Investing Initiative and British Columbia Investment Management Corporation, one of Canada’s largest institutional investors, looked at ESG value creation in private equity.
The paper is useful because it does not frame sustainability as a reporting exercise. It looks at financially material ESG factors through the investment lifecycle, including valuation, value creation and exit readiness.
That matters for private companies.
If institutional investors are already assessing sustainability-related risks and opportunities as part of investment analysis, management teams need to be prepared for that conversation.
Not with a generic sustainability narrative.
With a clear view of which issues are financially material, how they affect the business, what action has been taken and what evidence supports the value story.
If management cannot explain these issues clearly, investors may make their own assumptions. Those assumptions may show up in risk adjustments, additional conditions or pressure on valuation.
That does not mean every private company needs a large sustainability programme or lengthy sustainability report. It means companies seeking investment should take a proportionate, finance-led view before investors start asking the questions.
A proportionate way to prepare
For many private businesses, the right first step is a focused review of the sustainability-related risks and opportunities that could affect performance, resilience or valuation.
That review should help management answer five practical questions:
what is financially material?
how does it link to the business model and growth plan?
what action has already been taken?
who owns it internally?
what evidence supports the value story?
UK SRS can be useful here, even where a company is not required to apply it. Used proportionately, it provides a clear investor-focused structure for thinking about governance, strategy, risk management, metrics and targets.
The aim is simple: understand what matters, manage it properly and be ready to explain it with evidence.
If you are preparing for investment, refinancing or a sale process, Grant Fides can help you assess which sustainability-related issues are likely to matter in diligence, where the evidence is thin and what to prioritise before investors ask.
Closing thought
For private companies seeking investment, the question is no longer only:
Are we in scope of regulation?
A better question is:
If investor diligence started tomorrow, would they find a sustainability narrative, or evidence that sustainability is already shaping how the business creates and protects value?
That is the shift.
Sustainability is becoming less about what a company says in a report, and more about whether financially material risks and opportunities are understood, owned and managed as part of the business.
Source: Greenfield, Evan and Monk, Ashby and Rook, Dane, ESG Value Creation in Private Equity: From Rhetoric to Returns (January 01, 2026).