Insights for security business owners: guides and articles

Guides to download and articles to read, on valuing, preparing, selling and buying a security business.

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If you are selling

Where to begin, in this order.

  1. The 90-day testWho runs the security business when you are away?Guide to download, 12 pages
  2. Why a security business price can change after yesKeep the offer tied to the evidenceGuide to download, 13 pages
  3. The 2026 Sellers GuideWhat your business could sell for, who is buying now, and what to do next.Guide to download, 27 pages

If you are buying

What to read before you agree a price.

  1. Buying a security business in 2027The checks before you agree a priceGuide to download, 13 pages
  2. Reading a security business listing like an expertTurn the claims into questions you can settleGuide to download, 13 pages
  3. Register as a buyerTell us what you are looking for and hear about businesses that fit.Free to register

Guides to download

Seven 2027 guides, and our 2026 Sellers Guide. Each 2027 guide comes with a tool you can use on your own business, or on one you are thinking of buying.

  • Buying a security business in 2027

    Connect security activities to licences, company approval, customer terms and replacement costs before agreeing a price.

    For buyers 13 pages Includes the security buyer evidence scorecard Updated Oct 2026

    Get the guide: Buying a security business in 2027

  • The 90-day test

    Map the security work that depends on you, check permitted cover and test the handover with a practical owner-dependency scorecard.

    For sellers 12 pages Includes the security owner-dependency scorecard Updated Oct 2026

    Get the guide: The 90-day test

  • Add-backs: which security business costs really stop?

    Build an evidence-backed security business profit schedule that shows which costs stop and what replaces the owner's work.

    For sellers 14 pages Includes the security add-back evidence worksheet Updated Oct 2026

    Get the guide: Add-backs: which security business costs really stop?

  • Why a security business price can change after yes

    Connect a security business offer to contract evidence, replacement costs and completion figures, with a two-page issue log.

    For sellers 13 pages Includes the security offer-to-completion issue log Updated Oct 2026

    Get the guide: Why a security business price can change after yes

  • Working capital at completion

    Separate security working capital from cash, match guarding invoices to receipts and plan payroll dates with a two-page completion worksheet.

    For sellers 13 pages Includes the security completion cash worksheet Updated Oct 2026

    Get the guide: Working capital at completion

  • Martyn's Law and your sale

    Build a readiness evidence map that separates legal status, customer responsibility, security capability and existing income.

    For sellers 12 pages Includes the security readiness evidence map Updated Oct 2026

    Get the guide: Martyn's Law and your sale

  • Reading a security business listing like an expert

    Decode a security business listing by matching revenue, contracts, permissions, people and profit to named records.

    For buyers 13 pages Includes the security listing decoder Updated Oct 2026

    Get the guide: Reading a security business listing like an expert

Also available: our 2026 guide for sellers

Browse by topic

Every article and guide sits under one topic, newest first.

Valuation and price

What a buyer pays for, and how the number is reached.

14 articles and 2 guides

Market and policy

Martyn's Law, the PSTN switch-off, consolidation and who is active in the market.

2 articles

Buyers and the sale process

Who buys, what they check and how a sale runs.

10 articles and 2 guides

Compliance and accreditation

SIA licensing, NSI, SSAIB and BS 7858, and what each is worth at a sale.

2 articles and 1 guide

Preparing to sell

The work that makes a business easier to sell, in the order to do it.

8 articles and 3 guides