QScope

Bonds, security & insurance

Bonds, guarantees, warranties and insurance are the security behind the contract, and they lapse quietly if no one tracks them. These guides cover performance and advance payment bonds, collateral warranties, parent company guarantees and the main insurance options.

Latest

Security26/05/2026
Bonds and guarantees down the chain

The main contract has a bond, a guarantee and warranties. The packages that will actually fail have a signed order and nothing else.

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Security19/05/2026
On-demand bonds and the calls that are challenged

The surety pays on presentation and questions afterwards. Courts will restrain a call only in narrow circumstances, which is why contractors resist them.

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Security12/05/2026
How a bond is actually called

The process is procedural and unforgiving. Most failed calls fail on the notice, the timing or the form rather than on the entitlement.

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Security05/05/2026
Reading a bond before you accept it

The wording decides everything: the trigger, the cap, the expiry and who proves what. Very few bonds are read before they are filed.

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Security04/05/2026
What is a collateral warranty, and should I sign the one on my desk?

A collateral warranty gives someone who is not your client, the funder, the buyer, the tenant, a direct contract to sue you on if your work fails. Why they exist, the three clauses that decide how dangerous yours is, and the etiquette of the ones nobody ever signs.

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Security29/04/2026
The client wants a performance bond. What does it actually pay out?

A performance bond pays the client if you fail to perform the contract, typically after insolvency or serious default, up to its stated cap. What it costs you to give, why the wording decides everything, and when a small firm should push back on the ask.

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Security13/02/2026
Latent defects insurance and the ten-year problem

By the time a hidden defect appears, limitation may have run and the contractor may have dissolved. Cover has to be arranged before the work starts.

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Security06/02/2026
Professional indemnity, and why it is claims-made

It responds to the claim made this year, not the advice given six years ago. That distinction decides what happens when a policy lapses.

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Security30/01/2026
Who insures the works, and until when

A fire two days after practical completion and a fire two days before are the same fire with entirely different consequences for who pays.

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Security19/12/2025
Parent company guarantees, and what they are worth

A PCG costs nothing to give and is worth exactly as much as the parent behind it. Checking that parent is the whole exercise, and it takes twenty minutes.

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Security03/11/2025
What insurance do I actually need on a small building job?

Four policies do the real work: public liability for harm to others, employers liability because the law requires it, contract works cover for the half-built thing itself, and professional indemnity only where you design. What each one answers for.

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