Before you send that invoice to a new B2B customer, have you verified they can actually pay it? For SMEs operating across the EU, late payments and bad debt can cripple cash flow faster than almost any other business risk. Whether you're a construction firm in Dublin, a logistics company in Brussels, or a cleaning service in Manchester, a systematic B2B customer verification checklist is your first line of defence against non-payment.
This article walks you through an eight-point pre-invoice verification process that takes minutes to complete but can save you thousands in write-offs. These checks work across sectors and jurisdictions, drawing on publicly available data from Companies House, the Irish Companies Registration Office (CRO), Belgium's KBO/BCE, France's INPI, and other EU business registers.
Why B2B Customer Verification Matters Before Invoicing
The statistics are sobering. Late payment remains one of the leading causes of SME insolvency across Europe, with the average payment delay in B2B transactions ranging from 30 to 60 days beyond agreed terms. For smaller businesses, a single unpaid invoice can mean missed payroll, strained supplier relationships, or worse.
Verification isn't about distrust—it's about due diligence. Just as you'd check a property survey before buying a house, checking a customer's financial health before extending credit is simply good business practice. The Corporate Sustainability Due Diligence Directive (CSDDD) is also raising the bar for supply chain transparency, making these checks increasingly expected rather than exceptional.
A robust B2B customer verification checklist helps you:
- Identify red flags before committing resources to a project
- Set appropriate credit terms based on actual risk
- Protect your cash flow and working capital
- Make informed decisions about payment guarantees or deposits
- Demonstrate professional due diligence to your own stakeholders
The 8-Point B2B Customer Verification Checklist
Here's your systematic checklist to complete before issuing an invoice to any new B2B customer. For existing customers, consider running these checks annually or when order values increase significantly.
1. Verify Company Registration and Legal Status
Start with the basics: confirm the company actually exists and is legally entitled to trade. In the UK, check Companies House for the company registration number and incorporation date. In Ireland, use the CRO; in the Netherlands, consult the Kamer van Koophandel (KvK); in Belgium, the KBO/BCE; and in France, the INPI or Infogreffe.
What to look for:
- Active registration status (not dissolved or struck off)
- Registered office address (does it match what they've provided?)
- Company type (Ltd, PLC, GmbH, SAS, etc.)
- Incorporation date (newly formed companies carry higher risk)
- Any active insolvency proceedings or liquidation notices
A company incorporated within the last 12 months deserves extra scrutiny. While many start-ups are perfectly viable, they lack trading history and may have limited capital reserves. Consider requesting payment upfront or on shorter terms for very young companies.
2. Check Share Capital and Financial Backing
Share capital tells you how much the directors have invested in the business. While minimum capital requirements vary by jurisdiction and company type, a company with nominal share capital (say, €1 or £1) has less financial cushion than one capitalised at €100,000.
This information is typically available in the company's constitutional documents or annual returns. In some EU jurisdictions, recent reforms have reduced minimum capital requirements, so use this as one indicator among several rather than a definitive test.
Red flags include:
- Minimal share capital combined with high-value contracts
- Recent reductions in share capital (may indicate financial stress)
- Complex ownership structures that obscure ultimate beneficial owners
3. Review Directors and Key Personnel
Who's running the business? Director information is publicly available across EU registers and can reveal important patterns.
Check for:
- Number of current directorships each director holds (10+ concurrent directorships may indicate a 'phoenix' pattern)
- Previous directorships of dissolved or insolvent companies
- Recent director resignations (especially the finance director or company secretary)
- Director disqualifications or bankruptcy orders
- How long directors have been with the company (recent wholesale changes can signal trouble)
A finance director leaving suddenly, or a director with a history of failed companies, warrants deeper investigation. Conversely, long-serving directors with clean records are generally a positive sign.
4. Examine Legal Notices and Charges
Legal notices—including county court judgements (CCJs) in the UK, charges, mortgages, and liens—indicate existing financial obligations or legal disputes.
Most company registers publish details of charges registered against a company's assets. A company heavily encumbered with charges has limited unencumbered assets to satisfy creditors if things go wrong. You'll be further down the queue.
Also check for:
- Outstanding CCJs or equivalent judgements in other jurisdictions
- Writs, petitions, or other legal actions
- Charges registered in favour of HMRC or tax authorities (often a sign of tax arrears)
- Recently filed charges (may indicate urgent refinancing needs)
One or two older, satisfied charges aren't necessarily problematic—most businesses use asset finance. But multiple recent charges, especially from tax authorities, are serious warning signs.
5. Analyse the Latest Filed Accounts
Annual accounts are the cornerstone of financial due diligence. In most EU jurisdictions, limited companies must file accounts annually, though filing deadlines and exemptions vary.
Key metrics to review:
- Net assets: Positive or negative? Negative net assets (liabilities exceed assets) indicate technical insolvency.
- Current ratio: Current assets divided by current liabilities. A ratio below 1.0 suggests potential liquidity problems.
- Profit/loss trend: Are they profitable? Is the trend improving or deteriorating?
- Cash position: Do they have cash reserves, or are they operating on fumes?
- Creditor days: How long do they take to pay their own suppliers? If it's 90+ days, expect similar treatment.
- Auditor's report: Any going concern warnings or qualifications?
Be aware of filing timeliness too. Accounts filed late or not at all suggest poor financial controls or deliberate concealment. In the UK, Companies House publishes late filing notices; similar information is available across EU registers.
| Financial Indicator | Green Flag | Red Flag |
|---|---|---|
| Net Assets | Positive and growing | Negative or declining sharply |
| Current Ratio | Above 1.5 | Below 1.0 |
| Profitability | Consistent profits | Losses for 2+ years |
| Creditor Days | 30-60 days | 90+ days |
| Auditor Opinion | Unqualified | Going concern warning |
6. Check Credit Scores and Risk Ratings
Credit reference agencies and solvency platforms aggregate public and proprietary data to produce risk scores. These scores condense complex financial information into a single rating, making them useful for quick assessments.
Platforms like VerigoPay provide real-time solvency verification across France, Belgium, and the wider EU, giving you instant access to credit scores, payment behaviour data, and risk alerts. This is particularly valuable when dealing with customers in jurisdictions where you're less familiar with local registers and reporting requirements.
A good credit score doesn't guarantee payment, and a poor score doesn't always mean disaster—but it does mean you should adjust your terms accordingly. Consider requesting:
- Upfront deposits for customers with poor scores
- Shorter payment terms (7 or 14 days instead of 30)
- Personal guarantees from directors
- Bank guarantees or letters of credit for large contracts
7. Search for Press Mentions and Online Presence
A quick online search can uncover information that doesn't appear in official registers. Search for the company name, directors' names, and registered address.
Look for:
- Recent news articles about the company (positive or negative)
- Industry awards or recognition
- Customer reviews or complaints
- Social media presence and activity levels
- Professional website and contact details
- Trade association memberships
Be alert for warning signs like negative press about redundancies, office closures, or legal disputes. On the positive side, recent contract wins, expansion announcements, or industry accolades suggest a healthy business.
A company with no online presence whatsoever in 2025 is unusual and worth questioning. Even small B2B firms typically have some digital footprint.
8. Trust Your Gut Feel and Professional Judgement
Data and documentation are essential, but don't ignore your instincts. If something feels off during your interactions with the customer, pay attention.
Soft warning signs include:
- Reluctance to provide basic company information
- Pressure to rush through the onboarding process
- Vague or evasive answers about payment terms
- Contact details that don't match registered addresses
- Unprofessional communication or disorganised processes
- Requests for unusual payment arrangements
Experienced accountants and CFOs develop a nose for risk over time. If the numbers look acceptable but your gut says something's wrong, dig deeper or insist on more protective terms.
Implementing Your B2B Customer Verification Checklist
The most thorough checklist is worthless if it isn't used consistently. Build verification into your customer onboarding workflow so it becomes automatic rather than optional.
Practical implementation steps:
- Assign responsibility: make it clear who conducts verification (credit controller, accountant, or director)
- Set thresholds: define when full verification is required (e.g., all new customers, or orders above €5,000)
- Document decisions: record what you checked and why you approved or declined credit
- Use technology: leverage platforms that automate data gathering rather than manually checking multiple registers
- Review regularly: re-verify existing customers annually or when circumstances change
- Train your team: ensure everyone understands why verification matters and how to interpret findings
For SMEs without dedicated credit control teams, verification can feel time-consuming. However, spending 15-20 minutes on due diligence before accepting a new customer is trivial compared to the weeks or months you might spend chasing an unpaid invoice—or writing it off entirely.
When to Adjust Terms Based on Verification Findings
Verification doesn't mean simply accepting or rejecting customers. Often, the right response is to adjust your commercial terms to match the risk level.
Consider these approaches:
- Low risk: Standard 30-day terms, monthly account facilities
- Medium risk: 50% deposit, balance on completion; 14-day payment terms
- Higher risk: Payment upfront, bank guarantee, or personal director guarantee
- Unacceptable risk: Politely decline the business or insist on cash-on-delivery
There's no shame in protecting your business. Professional customers understand that credit is a privilege, not a right, and will respect reasonable requirements—especially if you explain them courteously.
Automating Verification with Real-Time Solvency Tools
Manually checking eight different data points across multiple jurisdictions is tedious and error-prone. This is where real-time solvency verification platforms add genuine value.
VerigoPay aggregates data from business registers across France, Belgium, and the EU, providing instant access to company information, financial health scores, and risk alerts. Instead of visiting Companies House, then KBO/BCE, then checking credit agencies separately, you get a unified view in seconds.
For SMEs operating cross-border, this is particularly valuable. Understanding what's normal in a Belgian company's accounts versus a French SAS or Irish Ltd can be challenging. Automated platforms normalise data and apply consistent risk scoring, making it easier to compare customers across jurisdictions.
The cost is modest—you can see pricing starting at €29 per month for the Solo plan—which typically pays for itself by preventing a single bad debt.
Final Thoughts on B2B Customer Verification
Your B2B customer verification checklist is a living document, not a one-time exercise. As your business grows and you enter new markets or sectors, refine your approach based on experience. Track which checks proved most valuable and which red flags you wish you'd spotted sooner.
Remember that verification isn't about eliminating all risk—that's impossible in business. It's about understanding risk, pricing it appropriately, and making informed decisions. Some of your most profitable customers might have started with higher-risk profiles but proved themselves over time with good payment behaviour.
The goal is to protect your cash flow while still growing your business. By systematically verifying customers before invoicing, you'll sleep better, reduce bad debts, and build a healthier, more sustainable business across the EU market.