What does ESG mean for a small business?

For a small business, ESG means three things: what impact you have on the environment, how you treat your people and community, and how the business is run. That is all environmental, social and governance really covers. In practice it usually comes down to a carbon footprint, a handful of written policies and a short record of how you look after staff.

You do not need a sustainability team to get this right. Most owners already know the answers. They just have not written them down in a way a customer, bank or funder can read.

Where did ESG come from?

The term was popularised by a 2004 report called Who Cares Wins, produced under the UN Global Compact with a group of major banks and investors. They wanted a shorthand for the non-financial risks that affect how a company performs over time.

So ESG started life as an investor’s checklist. It was designed to help people with money decide which companies were well managed. That origin explains a lot. ESG is less about doing good for its own sake and more about showing that your business is sensible, stable and aware of its risks.

Twenty years on, the same idea has spread from fund managers to procurement teams, lenders and grant assessors. And because big organisations increasingly have to report on their supply chains, the questions now land on the desks of small firms.

What do the E, S and G cover for a small firm?

The big frameworks list dozens of topics. For a business with a few staff, it narrows down quickly.

Environmental is mostly your carbon footprint. That means emissions from heating and electricity, any company vehicles, business travel, and smaller sources like waste and water. These are sorted into Scope 1, Scope 2 and Scope 3, which simply describe whether the emissions come from things you burn, energy you buy, or activity elsewhere in your value chain. An environmental policy and some sort of target round it off.

Social is about people. Do you pay fairly, perhaps at or above the Real Living Wage? Do staff get training and decent benefits? Do you have a health and safety policy and a way of recording incidents? Do you give anything back locally, through volunteering or donations? Do you handle customer data properly under UK GDPR?

Governance is how decisions get made. Who runs the business, who is responsible for ESG, whether you have a code of conduct, how you think about risk, and whether you check your suppliers behave responsibly.

For a five-person consultancy, that might fit on two pages. For a manufacturer with vans and a factory unit, it will be longer, mainly because the environmental section has more to measure.

Why are small businesses being asked about ESG?

Almost always, because someone further up the chain needs the information for their own reporting.

• Large customers. Big companies measure the emissions in their supply chain, known as Scope 3. To do that, they ask suppliers for figures. The UK government published the UK Sustainability Reporting Standards in February 2026, which will push more listed companies to collect this data.
• Public sector buyers. Major central government contracts require a Carbon Reduction Plan under PPN 006.
• Lenders. Some banks offer green or sustainability-linked loans, which can involve questions about your energy use and emissions.
• Investors. Venture capital funds often send an ESG questionnaire during due diligence.
• Grant funders. Decarbonisation grants commonly ask for your current energy use and emissions before they will fund a project.

None of these people expect a small firm to produce something like a FTSE 100 annual report. They want honest, organised answers they can drop into their own systems.

What does ESG look like in practice?

A worked example helps. Take a seven-person marketing agency renting a small office in Leeds.

Their environmental picture is electricity for the office (say 8,000 kWh a year), gas heating included in the service charge, a few train trips to London and two client flights to Dublin. Using the current UK government factors, their electricity comes to roughly 1 tonne of CO2e. The full footprint lands somewhere around 3 to 4 tCO2e a year once heating and travel are added. That is small, and it is normal for an office business.

Their social section covers pay, hybrid working, a training budget, a health and safety policy (which is a legal requirement in writing once you have five or more employees) and the half-day a quarter the team spends volunteering.

Their governance section notes the two directors, names one of them as responsible for ESG, and confirms there is a code of conduct and a short risk register.

That is a complete, credible ESG picture. Nothing in it required a consultant.

Where should a small business start?

Begin with what people ask for most.

1. Measure your carbon footprint. It is the single most requested figure. Use real bills where you have them and sensible estimates where you do not.
2. Write down what you already do. Most firms have informal policies on the environment, conduct and safety. Putting them on paper is quick and makes them count.
3. Name someone responsible. In a small business this is usually the owner or a director. It just needs to be clear.
4. Pick two or three improvements. Switching to a renewable electricity tariff, choosing rail over short flights or formalising a training budget are realistic first steps.
5. Put it in one document. A short report means the next time someone asks, you send a PDF instead of starting from scratch.

Our ESG checklist for SMEs breaks this down further, and the guide to whether you legally need ESG reporting covers the rules in more detail.

How ESG Now helps

ESG Now is a guided questionnaire built for UK small businesses. It asks about your business in plain English, adapts to how you work (fully remote firms skip the office questions, for example) and offers estimates when you do not have a figure to hand.

When you finish, you get a shareable ESG report and a private action plan with your priorities in order, including which policies you already have in place and which are worth adding next. The carbon figures follow the GHG Protocol and use the official UK government conversion factors, and every calculation is shown in the appendix.

Most small businesses finish in under 30 minutes. Your first report is free. Your answers save as you go, so you can stop and pick up later.

If someone has asked you about your ESG this week, you can start your report now and have something to send them today. More detail on what sits behind the numbers is on our methodology page, and you can see the wider picture for small firms on the small businesses hub.