Five reasons why sustainability remains important for your business

Over the past 12 months I’ve seen a subtle but noticeable shift in the conversation around sustainability. It has become a bit quieter and perhaps more cautious than over the past 5 years, and as a result people are starting to question again, why is sustainability important in business?

But the answer to this remains the same as the fundamentals haven’t gone away. If anything, sustainability has become more embedded in how businesses operate, particularly for mid-sized and private companies navigating cost pressures, investor expectations, peer pressures, and an uncertain economic outlook.

For many leadership teams, the question isn’t ‘should we focus on sustainability?’ anymore. It’s ‘how does this actually help the business?’.

Here are five clear, commercial reasons why sustainability still matters.

1. Energy volatility isn’t going anywhere

The UK’s reliance on fossil fuels continues to create exposure to volatile energy prices.

Almost all individuals as well as businesses don’t need reminding of the impact this can have. The energy shocks of recent years have left a lasting impression on operating costs, margins, and financial planning.

The cheapest energy is the energy that you don’t use. Reducing energy consumption, improving efficiency and, where viable, shifting toward electrification or renewables isn’t about making a statement. It’s about gaining more control over one of your most unpredictable cost lines.

2. Investors still care, even if the language has changed

Even if framed differently, sustainability is still firmly on the agenda for many PE-backed businesses. Investors are focused on margin improvements, risk reduction and exit value and sustainability contributes to all three. Energy efficiency initiatives can deliver measurable cost savings, and strong environment, social and governance (ESG) practices reduce operational and reputational risk.  

A PE-backed company with a clear transition plan is more attractive at exit. Why? Because the next buyer (often a large corporate) is potentially under mandatory reporting (like the UK SRS or EU CSRD), will complete due diligence upfront, and won't buy a carbon liability.

A company that has already optimised its supply chain and reduced its scope 1 and 2 emissions is a more valuable acquisition.

3. Regulation is still moving in one direction

Despite political noise, the regulatory landscape continues to evolve and the direction of travel is consistent even if the pace varies across countries.

In the UK, regulations like Streamlined Energy and Carbon Reporting (SECR) and Energy Savings Opportunity Scheme (ESOS) remain in force, requiring businesses to measure and improve energy performance. We’ve recently seen the publication of the new UK Sustainability Reporting Standards (UK SRS), likely to come into force on 01 January 2027, and setting a new bar for ESG and greenhouse gas (GHG) reporting. Even if your company is not immediately in scope to report, requests for sustainability data might come from your larger customers sooner than you think.

Companies with European exposure are already feeling the impact of the Corporate Sustainability Reporting Directive (CSRD).

Having worked in-house for many years, I know that preparing early not only eliminates panic but is more efficient and less expensive than reacting late under pressure.

4. Your customers and supply chain haven’t stopped asking 

Every day, we see the impact of larger organisations pushing sustainability requirements down their supply chains, either through carbon reporting, policy requirements, and particularly tender criteria. Lack of credible data or even a simple action plan can become a barrier to winning or retaining contracts. Government PPN 06/21 requirements are just one example of this.

As mentioned above, new disclosure requirements will drive in-scope companies to request data from their supply chain and it’s always better to be prepared.  

Sustainability is increasingly a requirement to do business, not a differentiator as it was a few years ago.   

5. It’s a cost and efficiency opportunity, not just a compliance exercise 

At its most practical level, sustainability is about running a more efficient business.  Examples can be straightforward – reducing energy consumption, optimising logistics and transport, cutting material waste in operations. All of these initiatives can have relatively short payback periods and deliver immediate financial benefits.  

When you look through this lens, sustainability isn’t a separate strategy or agenda. It’s about operational efficiency under a different name. 

So, what does this mean in practice?

In our experience, most businesses don’t need to embark on a complex transformation programme and we always advocate starting with the basics; understand your energy use and GHG emissions footprint; get your ESG policies in place; and start measuring what you can.

The businesses that will benefit most are those that treat sustainability as a tool for improving performance, not just a branding or reporting exercise. In the current climate, the case for sustainability isn’t ideological. It’s commercial and is a core competency of a well-run 21st-century business.

Contact us for help with your company’s ESG approach.

Authored by: Sarah Kirton