Fast-forward to clear, easy IBG and insurance cover from a broker who’s on your side.


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Installer insurance, sorted

We are a leading provider of Insurance Backed Guarantees (IBGs) and business insurance services to the double glazing, construction and home improvement industries.

Since 2005, we’ve worked closely with FENSA and the Glass and Glazing Federation to become experts at covering the types of risk installation businesses face. No matter what cover our clients require, they benefit from the Installsure commitment to transparent pricing, fair treatment and friendly service.

Installsure insurance services

We can provide cover to meet the needs of all installation companies, large and small, for domestic and commercial work, including:

We’ll free you up from worrying about insurance cover so you can get on with the job at hand.

Support for homeowners

If you're a homeowner with an Installsure IBG policy we're here to help you too, whether you have a question about your policy or you'd like to know how to make a claim.



Pete Matthews, P.M.H.I

Fantastic! Speedy, outstanding and professional service.

Alan Hodge, N&P Windows

We use Installsure to provide insurance backed guarantees and find their overall service is very good.

Nick Sparkes, SCI Products Ltd

Professional but friendly and helpful throughout. Installsure managed to lower our premiums slightly and have been much more proactive and responsive than our previous broker.


Installsure were very efficient. Easy to understand and deal with.

Latest News and Events

What is an IBG? The basics of guarantee insurance explained

08/10/2019, 14:33 PM by Frank Allain
installsure ibg basics for installers
Confused by guarantee insurance? You needn't be. Discover what IBGs are, what they cover and what they cost in this helpful primer.

Learn more about IBGs - or guarantee insurance policies - below and the benefits of providing them to your customers.

What is an IBG?

IBG stands for insurance backed guarantee. However it’s a slightly misleading name because an IBG is not actually a guarantee but an insurance policy that backs a guarantee.

IBGs are also known as guarantee insurance policies and warranty insurance policies. The main thing to understand is that all three terms refer to the same type of insurance product – a policy that provides cover for an installation company’s guarantee in the event the company ceases to trade.

> Learn more about how IBGs work on our Installer FAQ page

Who provides the guarantee covered by the IBG policy?

You as the installer provide the written guarantee to your customer at the point of completion of the contract. It is your promise to your customer to resolve issues that may occur with the installation after the event of completion.

This guarantee is the subject of the guarantee insurance policy, and the IBG policy will reflect its terms.

What are the benefits of an IBG?

For your customers, guarantee insurance policies provide additional peace of mind. They know that the written guarantee you supply them will be covered even if your company ceases to trade.

For you the installer, this extra level of consumer protection is an additional selling point for your services. Providing IBGs is also a mandatory requirement of joining Competent Person Schemes such as FENSA.

Learn about the benefits of GGFi guarantee insurance policies

How much do IBGs cost?

The cost of guarantee insurance policies can vary depending on the contract value of the works carried out and the type of works installed. They can start from as little as £10 plus IPT (Insurance Premium Tax) for window/door installations.

For more detailed information on Installsure’s pricing, take a look at our indicative pricing guide.

View the GGFi indicative IBG price guide

How do I register with Installsure as my IBG provider?

Get started with Installsure by completing our online application form for guarantee insurance. From there, our team will be in touch to discuss the next steps of getting you on board.


Learn more about insurance backed guarantees by visiting the Guarantee Insurance section of our website. Alternatively contact our team on 0207 645 3744 between 9am and 5pm or by email at

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