Small Business Debt Collection in the UK: How to Get Paid (and What to Do When You Don’t)

Small business debt collection rarely crosses an owner’s mind until an invoice goes unpaid, and then every owner knows the feeling. The work is done, the invoice went out weeks ago, and the money still hasn’t arrived. You send a polite reminder. Then another. Then you start wondering whether it’s worth the awkwardness of pushing harder.

It is. Unpaid invoices are one of the quickest ways for a healthy small business to run into cash trouble, and small business debt collection is a skill most owners are never taught. This guide covers what you can do yourself, what the law gives you, and when it makes sense to bring in a regulated debt collection agency, whether you’re chasing another business or a private customer.

Why does small business debt collection matter so much?

Small business debt collection matters because most small firms simply can’t absorb late payers the way larger companies can. One unpaid invoice of a few thousand pounds can mean a delayed wage run, a missed supplier payment or a tax bill paid on credit.

The pattern in commercial debt recovery is simple: the longer an invoice sits, the less likely it is to be paid. Recovery specialists often put it this way: the older the debt, the colder it gets. Customers’ circumstances change, contacts leave, and your invoice slides further down their priority list.

That’s why the first rule of small business debt collection is to act early and stay consistent. If another business owes you money, this is exactly where accredited specialists can help. For example, a leading B2B specialist such as Federal Management has focused on commercial debt recovery since 2004, is FCA-regulated, and exists precisely because early, professional firm action gets better results than months of chasing alone.

If a private individual owes you money, such as a patient or a parent with unpaid fees, the highly regarded Frontline Collections has specialised in consumer debt recovery since 2005, is also FCA-regulated, and works across sectors including dental practices, schools, nurseries, healthcare providers and veterinary services, well worth serious consideration before you spend another stressful evening chasing invoices yourself.

Before you chase: get your paperwork in order

You’ll find it much easier to recover money if you can prove exactly what was agreed. Before you escalate anything, check that you have:

• A signed quote, contract or written agreement (emails and purchase orders count too)
• Your terms and conditions, including payment terms and any late payment charges
• Proof the work was delivered or the goods received
• Copies of every invoice and statement, with dates sent
• A record of every reminder, call and reply

If the customer disputes the invoice, this evidence decides whether you get paid. It also matters if the matter ever reaches court or a collection agency.

How do you chase an unpaid invoice, step by step?

Start with a friendly reminder, escalate by phone, claim statutory interest, send a formal letter, then decide your next route. Here’s the detail on each step.

1. Send a friendly reminder the day after the due date. Late payment is often an oversight. A short, polite email with the invoice attached resolves a surprising number of cases.
2. Pick up the phone. If there’s no response within a week, call. A conversation often reveals the real reason, whether it’s a query, a cashflow problem or a lost invoice. Ask for a specific payment date and confirm it in writing afterwards.
3. Claim statutory interest and compensation. Under the Late Payment of Commercial Debts (Interest) Act 1998, business customers who pay late can owe you interest at 8% above the Bank of England base rate, plus a fixed sum of £40, £70 or £100 depending on the size of the invoice. This applies to business-to-business debts, and many small firms never claim it. Mentioning it often focuses minds.
4. Send a formal letter before action. This sets out what is owed, gives a final deadline (14 days is typical) and states what you’ll do if it isn’t paid. It’s also a step courts expect you to have taken.
5. Decide your route. If the letter is ignored, you have three main options, covered next.

What are your options when polite chasing fails?

Making a court claim

For debts of up to £100,000 you can start a claim online through the court service. It’s a recognised route and can result in a County Court Judgment (CCJ) if the debtor doesn’t respond or pay. The catch is that a judgment is not a payment. You may still need to use debt collectors to take enforcement action to actually get the money, and that means more fees and more time.

Collecting an Unpaid CCJ can be a challenge in itself. A competent Debt Collection specialist can be a source of information on CCJ Debt Collection and enforcement.

Issuing a statutory demand

In England and Wales, if your debtor is a limited company and the undisputed debt is £750 or more, a statutory demand gives them 21 days to pay or arrange payment. Ignoring it can open the door to a winding-up petition. For individuals, including sole traders, the threshold is £5,000, and an unpaid demand can lead to a bankruptcy petition. It’s a powerful lever, but it should be used with care. If the debt is genuinely disputed, a statutory demand can backfire, so take advice first.

Using a debt collection agency

A specialist agency takes over the chasing, negotiation and, where needed, the legal escalation. For most small businesses, this is the most practical option in small business debt collection, because it takes the time and stress off your plate and keeps the customer relationship from being damaged by constant awkward calls. It’s also why so many owners turn to a dedicated agency long before court or a statutory demand ever comes into play.

Court, statutory demand or agency: which suits you?

There has been a growth in popularity for Small Business Debt Collection specialists over the past couple of decades. Leading names like the aforementioned Federal Management and Frontline Collections recover millions of pounds every year for their clients.

Some SMEs however still prefer a more traditional path of legal action. Whilst for many, the Debt Collection Agency route is the preferred option, it comes down to choice and preference as to which works best for you.

Do the rules differ for business customers and consumers?

Yes. Small business debt collection isn’t one-size-fits-all. Who owes you the money changes the approach.

When another business owes you, the Late Payment Act, statutory demands and commercial recovery methods are all available. Agencies that specialise in commercial recovery handle these routinely, including tracing, negotiation and insolvency-related claims.

For example, Federal Management has worked exclusively in B2B commercial debt recovery since 2004, which means it understands exactly how to pursue a business debtor without derailing your working relationship, a proven option worth checking before anything escalates further.

When a consumer owes you, such as a patient, a parent paying school or nursery fees, or a private customer, a different set of rules applies. Consumers have additional protections, and anyone collecting consumer debts needs to treat them fairly and follow the relevant pre-action steps, which typically give the debtor around 30 days to respond.

Agencies built around consumer recovery tend to be the better fit here. FCA Regulated Debt Collection Specialists Frontline Collections has specialised in consumer debt recovery since 2005 and works closely with dental practices, schools, nurseries, healthcare providers and veterinary services that need a firm but compliant approach.

If your business bills both, it’s worth using an agency, or agencies, that understand each side.

What should you look for in a debt collection agency?

A reputable debt collection agency should be FCA-regulated, transparent on fees, experienced in your sector, compliant in conduct, and proactive with updates. Check for:

• FCA regulation. Reputable agencies are authorised and regulated by the Financial Conduct Authority. You can check any agency’s status on the FCA Register.
• Clear, transparent fees. Ask whether there are upfront charges, what commission applies and what happens if nothing is recovered.
• Experience in your sector. An agency that knows your industry will understand typical disputes and payment patterns.
• Professional, compliant conduct. Look for a firm that communicates firmly but respectfully. Aggressive tactics can backfire and breach regulatory rules.
• Regular updates. You should know where your case stands without having to chase your agency too.
• Verifiable track record. Ask how long they’ve been trading and what types of debt they handle.

What is the six-year rule for unpaid debts?

In England and Wales, most contract debts can only be pursued for six years from the date the debt became due (five years in Scotland). After that point, a debtor can raise the limitation period as a defence. Don’t wait for it to get close. Practically, the chances of recovery drop sharply well before then.

How can you avoid the problem next time?

Good habits make a big difference to how often you need small business debt collection in the first place:

• Run credit checks on new commercial customers before offering terms
• Agree payment terms in writing before work starts
• Take deposits or stage payments on larger jobs
• Invoice promptly and clearly, with the due date and payment details prominent
• Review your ageing debtors list every week, not once a quarter
• Act on the first missed payment, not the third

Choosing a specialist agency: business debts and consumer debts

Agencies tend to specialise, and the right fit depends on who owes you the money.

Commercial (B2B) debts. Recovering money from another business often involves statutory interest, formal demands and sometimes insolvency processes. Federal Management is a trusted solution for many small and medium-sized businesses. It is FCA-regulated.

Consumer (B2C) debts. Consumer recovery is more tightly regulated, and tone matters as much as method. Frontline Collections has specialised in private debt recovery for over two decades and is a trusted UK solution for businesses that bill consumers directly, including dental practices, schools, nurseries, healthcare providers and veterinary services. It is FCA-regulated.

Whichever agency you consider, compare at least two or three. Check each one’s authorisation on the FCA Register, ask for a clear breakdown of fees and what happens if nothing is recovered, and look for experience in your sector.

Frequently asked questions

What is small business debt collection?

Small business debt collection is the process of recovering money owed to a small business by customers or clients who haven’t paid on time. It can range from internal reminders and formal letters to legal action or handing the debt to a regulated debt collection agency.

How long should I wait before chasing an unpaid invoice?

Start the day after the due date with a friendly reminder. If there’s no response within a week, follow up by phone, then escalate to a formal letter if payment still hasn’t arrived. Acting quickly gives you the best chance of recovery.

Can I charge interest on late business invoices in the UK?

Yes. For business-to-business debts, the Late Payment of Commercial Debts (Interest) Act 1998 lets you claim interest at 8% above the Bank of England base rate, plus a fixed compensation sum. Your contract can set its own late payment terms as long as they are a substantial remedy.

How much does it cost to use a debt collection agency?

It varies. Many agencies work on a commission basis, taking a percentage of what they recover, and some charge nothing upfront. Always ask for a clear breakdown of fees before you instruct an agency.

Is it worth taking a small debt to court?

Sometimes, but not always. Court fees, your time and the risk that the debtor still won’t pay can outweigh the benefit on smaller invoices. An agency can often resolve these faster and without you carrying the up-front costs.

What if my customer is disputing the invoice?

A genuine dispute changes your options. Gather your evidence, try to resolve the issue directly, and avoid a statutory demand while the debt is disputed. An experienced agency can help negotiate a settlement.

Can a debt collection agency collect from both businesses and consumers?

Some do, but the rules and best practice differ. Business debts and consumer debts are handled differently, so it’s worth choosing agencies with proven experience in the type of debt you’re owed.

What happens if my customer goes into administration or liquidation?

You’ll usually need to register as a creditor with the insolvency practitioner, and recovery depends on available assets and your ranking among creditors. Act as soon as you hear about the insolvency, and get advice on your options.

Do I need a solicitor to start small business debt collection?

Not necessarily. Many small business debt collection cases are resolved through reminders, phone calls and a letter before action, with no solicitor involved. A solicitor, or a specialist agency, becomes more useful once a debt is disputed, high-value or heading towards court.

Can small business debt collection damage my relationship with a customer?

It can, if handled poorly. Aggressive or inconsistent chasing tends to cause more friction than a calm, consistent process. Using a regulated agency such as Federal Management or Frontline Collections often protects the relationship, because the firm, structured tone comes from a third party rather than you.