Industry: security

Invoice finance for security companies

Weekly guarding payroll, 30–60 day client terms, the same cash-flow gap recruitment desks know well.

Typical advance, security82–90%0%25%50%75%100%Typical advance rate for security companies
Security companies run on a payroll pattern that does not wait for client payment: SIA-licensed guards and officers expect to be paid weekly, but the contract client that commissioned the guarding typically settles the invoice 30 to 60 days later. Invoice finance advances against that invoice within a day or two of you raising it, so a growing contract book never outruns your ability to pay the officers covering it.

The cash-flow pattern

Winning a new static-guarding or mobile-patrol contract adds weekly payroll cost from the first shift, while the matching client revenue does not land for another month or two. The faster a security business wins new contracts, the wider that gap gets, which is why cash flow, not demand, is usually the binding constraint on how many new sites a guarding company can staff at once.

Who it helps, who it does not

Ideal fit
  • Static guarding or mobile-patrol contractors with weekly officer payroll against 30–60 day client terms
  • Businesses winning new sites faster than existing contract revenue can fund staffing them
  • Firms with recurring corporate or public-sector contracts rather than one-off jobs
Poor fit
  • One-off event security paid on the day or shortly after, there is no invoice gap to fund
  • Businesses invoicing private individuals rather than corporate or public-sector clients
  • Very small operators with no recurring contract, only occasional casual jobs

Eligibility notes

  • Active UK limited company, LLP or plc, verified against Companies House
  • Invoicing corporate or public-sector clients on standard B2B payment terms
  • Works for static guarding, mobile patrol and event/close-protection contracts alike
  • No minimum trading history requirement beyond an active registration

Worked example

A guarding contractor with a £48,000 weekly officer payroll, invoicing clients on 45-day terms:

Illustrative, based on typical UK market ranges
Weekly client invoicing£54,000
Weekly officer payroll obligation£48,000
Advance rate85%
Advanced within 24–48 hours£45,900
Payroll covered from advanceYes, £45,900 vs £48,000 due
Weekly service + discount fee (combined ~2.2%)–£1,188

Frequently asked questions

Why do security companies use invoice finance so often?

The same structural gap as recruitment: SIA-licensed guards and officers are paid weekly whether or not the client has settled, while contract clients typically pay the security company on 30 to 60-day terms. Invoice finance closes that gap so payroll never depends on a client paying on time.

Does it matter if contracts are static guarding or event/mobile security?

Both qualify. Static guarding tends to produce steadier, recurring invoicing, which some funding partners price slightly more favourably, while event and mobile security invoicing is lumpier, which selective invoice finance can suit better than a whole-book facility.

Do funding partners look at SIA licensing or compliance?

Not directly, underwriting focuses on your invoice book and client payment history rather than your regulatory status. That said, having current SIA Approved Contractor Scheme accreditation, where you hold it, tends to support a stronger case with contract clients and therefore a stronger book.

Can a newer security company qualify?

Yes. As with our other sector pages, eligibility rests mainly on invoice and debtor quality rather than years trading, which is why newly formed guarding businesses with a genuine B2B contract can still qualify.

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Related
Invoice finance for recruitment agenciesInvoice factoringInvoice finance for couriersEligibilityHow it worksInvoice finance overview

Last reviewed: August 2026

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