The 90-day test

Who runs the security business when you are away?

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 10-minute read Updated Oct 2026

Who this guide is for

For a security business owner who still handles rota changes, quotations and out-of-hours decisions. Use it to prepare a handover or improve cover while keeping the business.

What you will take from it

  • Separate a deputy's availability from competence, licensing and permission.
  • Reconcile the cost of the owner's continuing duties with adjusted profit.
  • Use a controlled trial to record interventions and choose the next responsibility to improve.

What is inside

  1. Map the work that reaches you
  2. Separate permission from availability
  3. Test the night and weekend chain
  4. Cost the work that remains
  5. Run a controlled absence trial
  6. Decide what to fix before a sale

The tool: security owner-dependency scorecard

Two fillable sheets record primary people, permitted deputies, evidence, absence trials and unresolved dependencies. Save a copy or print it.

It comes as its own file as well as a page of the guide.

Two pages from the guide

Page 4 of the guide
Page 4 of 12
Page 9 of the guide
Page 9 of 12

Get the guide

Tell us who you are and the guide opens on this page, with the security owner-dependency scorecard as its own file.

PDF 12 pages 429 KB

Your details go to Simon Read's team at Security Business Sales. We do not sell them or share them for marketing. Privacy policy.

Simon Read

Prepared by Simon Read

Founder & Managing Director, Reads Advice Partners Ltd

Simon founded Reads M&A Advisory to specialise in trades such as HVAC, electrical, fire safety and facilities management, and has spent many years selling businesses to independent buyers, trade companies and private equity-backed groups across the UK.

Updated Oct 2026. The Autumn Budget is scheduled for Oct 2026, and we review every guide after it.

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