Green finance: What it is and why it matters for UK SMEs

If you’re running a small business, you’ve likely noticed that sustainability is no longer just a buzzword found in annual reports. It’s becoming a core requirement for everything from winning government contracts to securing new customers.

However, making your business more eco-friendly often requires an upfront investment - whether that’s installing solar panels, upgrading to an electric van fleet, or improving your premises' energy efficiency. With 28% of small business owners dipping into their own personal savings to invest in greener technologies, access to green finance is more important than ever.

In this guide, we’ll break down what green finance is, the different types of green financing that are available to UK businesses, and how you can use it to future-proof your venture while potentially lowering your borrowing costs.

What is green finance?

In simple terms, green finance is any structured financial activity - such as a loan, lease, or investment - created to ensure a better environmental outcome. The goal is to utilise private capital to help the UK reach its net-zero targets by 2050, leading global efforts to combat climate change.

For a business owner, this means that if your project helps reduce carbon emissions, prevents pollution, or protects natural resources, you may be eligible for specific green financing products. These often come with better terms, such as lower interest rates or waived arrangement fees, compared to standard commercial loans.

How does green financing work for small businesses?

You don't need to be a multinational corporation to access green financing. The UK lending market is more accessible than ever for small businesses looking to reduce, or eliminate, their CO2 emissions. Lenders are increasingly eager to provide these products because they’re under pressure to "green" their own portfolios and meet government-mandated sustainability targets.

When you apply for green finance, the lender's main concern is ensuring the money isn’t being used for general business expenses. They’ll typically ask for evidence that the finance will be used for a qualifying purpose. This often involves providing a specific quote, an invoice, or an energy audit report before the money is released.

Projects and assets that qualify for green finance

If your project falls into one of these categories, you’re likely eligible for a green-labelled product:

• Energy efficiency: This is the most common use of green finance. It covers any investment that lowers your energy consumption, such as installing LED lighting, smart meters, high-grade insulation, or double glazing in your office or warehouse.

• Renewable energy: Investing in infrastructure that generates your own power. This includes solar panels (often paired with battery storage), wind turbines, or biomass boilers. Switching from a gas boiler to an electric heat pump also falls firmly into this category.

• Clean transport: Swapping your petrol or diesel company vehicles for electric vehicles (EVs) or plug-in hybrids. It also covers the cost of installing charging points at your business premises for staff and fleet use.

• Waste and water: Projects that support a "circular economy". This could be investing in machinery that uses recycled materials, installing advanced water-recycling systems, or technology that significantly reduces the amount of waste your manufacturing process sends to landfill.

Evidence you'll need to provide to secure green finance

Because transparency is vital to avoid "greenwashing", you should be prepared to provide more documentation than a standard loan. Lenders may require:

1. Proof of intended use: A formal quote from an accredited installer (eg an MCS-certified solar engineer)

2. Performance indicators: A clear estimate of how much carbon or energy the project will save

3. Certification: For building works, they may ask for an updated Energy Performance Certificate (EPC) showing a target rating of B or higher

What are the main types of green finance in the UK?

38% of small businesses said that a lack of capital or savings is a barrier to investing in greener technologies. But there are several routes you can take to help fund a sustainable project. You don't always need a specific green-labelled product; sometimes a standard business loan is the right fit, but it's worth checking for dedicated options first.

1. Green loans

These are similar to standard term loans but are specifically earmarked for environmental projects. Many UK banks now offer green loans with discounted interest rates (often 0.25% to 0.5% lower than their standard rate) to incentivise businesses to go green.

2. Asset finance

If you need to buy equipment - like an electric delivery van or a new manufacturing machine that uses 40% less energy - asset finance is often the best route. It allows you to spread the cost over time, making it easier to manage your cash flow while reaping the rewards of lower energy bills.

3. Green grants

Unlike loans, grants don't have to be paid back. These are often regional and targeted at specific sectors. For example, some local authorities offer grants to help SMEs with energy audits or the initial cost of installing EV chargers. You can check the GOV.UK finance finder for current opportunities.

4. Sustainability-linked loans

These are slightly more complex. Essentially, the interest rate on these loans is tied to your business reaching specific sustainability targets (KPIs). If you hit your targets, your interest rate drops. If you don't, it might stay the same or increase.

Why should you consider green finance now?

Beyond the obvious benefit of helping the planet, there are strong commercial reasons to seek out green financing for your business:

• Lower operating costs: An energy-efficient building and a fleet that doesn't rely on volatile petrol prices can save you thousands over the long term.

• Access to supply chains: Larger firms are increasingly auditing their "Scope 3" emissions, which means they prefer to work with smaller suppliers who can prove they are taking climate action.

• Brand reputation: Customers are more likely to stay loyal to a brand that demonstrates genuine environmental commitment.

• Future-proofing: UK regulations around building emissions and vehicle types are tightening. Investing now makes sure you aren't hit with expensive costs later.

How to prepare for a green finance application

Lenders are on high alert for "greenwashing", which is where a business claims to be eco-friendly but doesn't have the data to back it up. So to make your application as strong as possible, you should:

1. Measure your baseline. Use a tool like the Carbon Trust’s SME Carbon Footprint Calculator to see where you stand.

2. Define your project and be specific. Instead of saying you want to "improve the office", show quotes for double glazing and a 5kW solar array.

3. Quantify the impact of going green. If you can show that a new machine will reduce your energy consumption by 20%, you’re much more likely to secure a discounted rate on your finance.

4. Review your cash flow. Make sure that your cash flow management can handle the repayments, even with your projected energy savings.

Find the right green finance for your business

Navigating the world of sustainable finance can be daunting, but you don't have to do it alone. Whether you're looking for asset finance to electrify your fleet or a form of property finance to retrofit your premises, we can help you find a deal that supports both your growth and the planet.

Apply for a business loan through Funding Options by Tide in minutes, and check your eligibility without impacting your credit score. Our smart technology will compare quotes from a panel of lenders to help you find the ideal finance solution for your green initiatives.

Please note that the information above is not intended to be financial advice. You should seek independent financial advice before making any decisions about your financial future.

It’s important to remember that all loans and credit agreements come with risks. These risks include non-payment and late-payment of the agreed repayment plan, which could affect your business credit score and impact your ability to find future funding. Always read the terms and conditions of every loan or credit agreement before you proceed. Contact us for support if you ever face difficulties making your repayments.

Funding Options, now part of Tide, helps UK firms access business finance, working directly with businesses and their trusted advisors. Funding Options are a credit broker and do not provide loans directly. All finance and quotes are subject to status and income. Applicants must be aged 18 and over and terms and conditions apply. Guarantees and Indemnities may be required. Funding Options can introduce applicants to a number of providers based on the applicants' circumstances and creditworthiness. Funding Options will receive a commission or finder’s fee for effecting such finance introductions.

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