Tender insurance requirements: what evaluators need

A missing insurance document can stop a strong tender before anyone reaches your method statement. That’s frustrating when your team can deliver the work and has spent days getting the response right.

Tender insurance requirements help buyers assess whether you can manage the financial risk attached to the contract. They also show whether you have a credible route to compliant cover when the work begins. Clear evidence builds confidence on both sides.

Get the evidence ready early, and insurance becomes one less thing for your team to worry about. It also reduces last-minute pressure before submission.

What are tender insurance requirements?

Tender insurance requirements are the policies, minimum cover levels and evidence a buyer requests when selecting a supplier. They depend on the contract, specification, risk and tender documents. In public sector tenders, they may include employers’ liability, public liability, professional indemnity, cyber liability, product liability or contractors’ all risks insurance.

The buyer should only ask for cover that fits the contract’s risk, value and complexity. Cover should reflect its risk profile, rather than assumptions about every supplier. Your job is to show what cover you hold now, what you can arrange before mobilisation, and how the evidence proves it.

For most SMEs, the practical issue isn’t buying every policy under the sun. In insurance tendering, it’s interpreting the wording properly and identifying the genuine contract exposure. Then give the evaluator evidence they can verify.

Table of contents

• Why insurance evidence matters
• What the Procurement Act 2023 changes
• The main insurance policies in public sector tenders
• What good insurance evidence looks like
• What evaluators need to check
• Insurance risks in subcontracting and works contracts
• A tender insurance checklist for SMEs
• Common mistakes that can fail a tender
• When an independent review helps

Why insurance evidence matters

Insurance can be a pass/fail requirement, often under conditions of participation. In public sector tenders, a strong technical answer cannot rescue a missing certificate, an expired schedule or a vague declaration.

The buyer is checking more than whether you have a policy. They need to see that it covers the right business, activity, territory, period and limit for the tender and contract risk.

A £5 million public liability policy sounds reassuring, but the right level depends on the tender and contract risk. It is less reassuring if the requirement is £10 million, the activity is excluded, or cover expires two weeks before contract start.

Evaluators cannot award confidence for cover they have to guess at. Make the policy, limit and route to compliance easy to find.

This is also a commercial issue. If the contract needs a major insurance increase, price the premium impact before you submit. A win that strips your margin is not a clever win.

What the Procurement Act 2023 changes

The Procurement Act 2023 places more weight on proportionality in public sector tenders. Contracting authorities can set tender conditions, but they must relate to the supplier’s legal, financial or technical ability and be proportionate to the contract.

The official conditions of participation guidance explains what a buyer can assess under conditions of participation, including relevant legal, financial or technical ability. It also makes clear that a buyer cannot insist on insurance needed only to perform the new contract before award. This applies even where evidence is requested through a pre-qualification questionnaire.

Cover at tender stage versus contract start

This distinction matters for SMEs navigating insurance tendering.

You may hold £2 million public liability insurance today, while the contract asks for £10 million from the mobilisation date. If permitted, you can show at the contract award stage that increased cover is available. You can commit to putting it in place before work starts. A competitive flexible procedure doesn’t remove the need to follow the specific tender documents.

That is different from claiming you already hold £10 million. Never blur the two. State your current position, attach the right evidence and explain how you’ll reach the required limit.

Legal insurance is treated differently

Some cover exists because the law requires it, not because of one contract.

Employers’ liability is the obvious example. The Employers’ Liability (Compulsory Insurance) Act guidance states that most employers must hold at least £5 million cover from an authorised insurer.

Many policies provide £10 million, but don’t assume that applies to your business without checking the schedule. The legal minimum isn’t automatically the tender minimum. Contracting authorities may ask for more where the contract risk justifies it.

The main insurance policies in public sector tenders

The policies requested should match what you will actually do. Read the specification, contract terms, pricing schedule and mobilisation plan together. The insurance question rarely tells the whole story on its own.

Public liability insurance

Public liability covers claims for injury or property damage caused to third parties. It often appears in facilities management, construction, events, care, grounds maintenance, transport and work on a client site.

The tender may state a minimum limit per claim or an annual aggregate. Check whether the policy is on an each-claim or aggregate basis. The required limit and basis depend on the tender wording.

Employers’ liability insurance

Employer’s liability insurance covers injury or illness claims from employees. It is often a straightforward compliance check, but exemptions and legal duties vary by business structure and workforce.

Don’t tick “yes” because you have never needed it before. Confirm whether your organisation has employees, labour-only workers or other arrangements that bring the duty into play. If you’re exempt, explain why and provide evidence where the tender asks for it.

Professional indemnity and cyber liability

Professional indemnity insurance is common where your advice, design, specifications or professional decisions could cause a client financial loss. Think consultants, designers, IT providers, engineers, accountants and specialist advisers.

Check that the wording, indemnity limits and basis match the professional risk created by the contract. Cyber liability may also appear in software, cloud, data processing, managed services and health contracts.

The buyer may require standalone cyber liability cover, an extension within professional indemnity or a wider information security approach. Follow the wording rather than trying to second-guess it.

Product liability and contractors all risks

Product liability insurance is relevant where you manufacture, supply or install goods. Contractors all risks cover often appears in building, refurbishment and fit-out work, where damage to works, materials or the site needs a clear insurance route.

Check who is responsible under the contract. It may be the authority, principal contractor, subcontractor or a mix of parties. “We have public liability” is not an answer to a contractors all risks requirement.

What good insurance evidence looks like

A tidy evidence pack helps evaluators complete compliance checks on public sector tenders quickly, making insurance tendering easier. An evaluator should not have to work through 70 pages of policy wording to find a limit on page 43.

Photo by Mikhail Nilov

Use current certificates and policy schedules

Where you already hold the required policy, provide the certificate or schedule requested in the ITT. Check that it shows:

• The legal name of the insured business, not an old trading name.
• The insurer, policy number and period of cover.
• The type of insurance and applicable limit.
• Any relevant excess, restriction or endorsement.
• Any specialist policy relevant to the contract, such as cyber liability cover.
• A renewal date that does not leave a gap before contract commencement.

Keep the full policy available, but do not attach it unless requested. Nobody wins points for making a simple check harder.

Use broker or insurer confirmation properly

If you need to increase cover on award, and the ITT permits future-cover evidence, request a broker letter or insurer confirmation. It should identify the insured entity, policy type, limit, timing and any conditions.

Pair it with a direct supplier commitment. Say that you will place or increase the policy before mobilisation if awarded.

The Procurement Act’s section on conditions of participation allows for evidence that another person can verify. That is why written confirmation can carry more weight than a bare self-declaration.

What evaluators need to check

Insurance evidence in public sector tenders is usually not marked for style. It is checked for compliance, credibility and fit, rather than against scored evaluation criteria.

A buyer may use a selection team, procurement lead, finance reviewer or external adviser. Contracting authorities set requirements according to the contract’s risk profile, value and delivery environment.

Whoever reads it still needs the same basic answers. Even a competitive flexible procedure follows the published requirements and doesn’t create a universal insurance rule.

Is the cover relevant and proportionate?

The policy must fit the contract. Minimum cover levels should be proportionate to its nature, complexity, cost and delivery environment.

A £10 million requirement may make sense for major construction works or services in busy public spaces. It may be harder to justify for a small, low-risk consultancy assignment.

The Cabinet Office supplier selection module confirms that selection evidence must link to the contract and be proportionate to its nature, complexity and cost.

Can the evidence be verified?

Evaluators need to see a credible third-party document, not a hopeful sentence in a response box.

In the contracting authorities’ evaluation process, reviewers look for names, dates, policy limits and confirmations that match the tender. If your supporting document says “up to £5 million” but the requirement says “minimum £5 million each claim”, expect questions.

Will the cover stay in place?

The contract may require cover for the full term. Professional indemnity can also need a run-off period after completion, particularly for design or advisory work.

There is no universal rule on duration. The required PI run-off depends on the contract, profession and tender wording, so read the contract conditions. If the tender asks for six years of PI run-off, your broker needs to confirm that route before you promise it.

Insurance risks in subcontracting and works contracts

Subcontracting creates a common weak spot. The prime contractor remains accountable to the authority, even where another business performs part of the work.

Do not borrow a partner’s policy by assumption

If you rely on a subcontractor’s capability, clarify what they are delivering and what insurance they hold. Check their limits, expiry dates and exclusions. Then confirm that your subcontract agreement requires them to maintain suitable cover.

A subcontractor’s policy does not automatically protect you. Nor does your policy automatically cover their work. The wording, contractual indemnities and responsibility split all matter.

For consortium bids, agree who carries each risk before submission. Leaving liability, insurance and claims handling until after award is a fine way to create a long meeting and a short margin.

Check the contract insurance clauses

Works contracts may require joint names cover, non-negligence insurance, professional indemnity for design, or contractors all risks. They may also place responsibility for existing structures on one party.

Look for:

• Required insured parties and whether the authority must be named.
• Cover limits, aggregate limits and excesses.
• Obligations for subcontractors and consultants.
• Notice periods if a policy is cancelled or materially changed.
• Evidence required before mobilisation and at renewal.

Insurance needs to match the contract risk allocation. It cannot replace careful review of legal liability clauses and indemnities.

A tender insurance checklist for SMEs

Use this before the submission deadline to organise insurance tendering and support insurance tender compliance in public sector tenders. Give every action a named owner. “Someone from finance” is not an owner.

• Read the insurance question alongside the contract terms, specification and any pre-qualification questionnaire or earlier selection documents.
• List every required policy, cover level, policy basis and maintenance period.
• Check your current certificates against the requirements, line by line.
• Ask your broker about shortfalls early, including price, availability and exclusions.
• Obtain dated broker or insurer confirmation where cover will increase on award.
• Confirm that the evidence names the correct legal entity.
• Check whether specialist policies, such as cyber liability or contractors all risks, apply to the work and tender requirements.
• Check subcontractor and consortium insurance where their delivery is material.
• At the submission stage, confirm the portal location, file format and final document status against the contracting authorities’ instructions.
• Save the final evidence pack with the submitted tender version.
• Put renewal dates and contract insurance obligations into your mobilisation plan.

A short evidence register creates an audit trail. Record the tender reference, document name, issue date, expiry date, limit, owner, uploaded version and portal location. It stops the familiar late scramble for “the latest certificate”, which usually means three different files called FINAL.

Common mistakes that can fail a tender

The usual problems are avoidable. Preventing them starts with clear insurance tender compliance, rather than assuming the buyer will join the dots.

Treating a declaration as proof

If the tender asks for a certificate, schedule or third-party letter, a typed statement isn’t enough. Answer the exact requirement and provide the requested evidence.

Self-declarations can be part of the process, but they aren’t a substitute for evidence when independent verification is required. Make sure the evidence remains current through the contract award stage where future cover is relevant.

Providing the wrong limit or policy basis

Don’t submit £5 million aggregate cover for a £5 million each claim requirement and hope it passes. Don’t call combined liability cover public liability unless the documentation proves it includes the required element.

Small wording differences have large consequences in insurance tendering. Check the limit, basis and policy wording against the tender documents.

Ignoring timing and renewal dates

A policy that expires before award may still be acceptable if the tender permits renewal evidence. A policy that expires before mobilisation without a renewal plan is a problem.

Raise a clarification question with the contracting authorities when the procurement documents are unclear. Don’t use a clarification response to replace missing mandatory evidence after the submission stage deadline.

Forgetting the cost of compliance

A higher cover level, contract-specific endorsement or extended PI run-off can change your price. Factor in commercial realism by getting the quote before finalising your commercial response.

Your bid needs one joined-up story. The insurance commitment, delivery method, subcontracting plan and price should all say the same thing.

When an independent review helps

Insurance sections are easy to dismiss as admin. They are also easy to get wrong when your team is focused on 30-page quality responses and a deadline that refuses to move.

An independent review checks whether your evidence responds to the requirement set by contracting authorities. It tests insurance tender compliance across the answer, attachments and portal location. It also checks consistency with the rest of the bid, so evaluators can find the proof without hunting through appendices.

Bidsmithery offers evaluator-led bid training for teams that want to sharpen their approach to compliance and evidence. For a live tender, an independent tender review can identify gaps before submission, while there is still time to fix them. If you need a second pair of eyes, speak to the team before the deadline.

Final thoughts

Tender insurance requirements are not a paperwork exercise to leave until Friday afternoon. They show that your organisation understands the risk it is agreeing to carry.

When preparing public sector tenders, check the policy, the limit, the timing and the evidence route. Then make it easy for the buyer to verify your bid. Clear evidence gives evaluators fewer reasons to doubt you.

For a calmer, evaluator-focused final check, consider an independent tender review. Book a free fit call. Rest assured, an external red review protects your energy, confidence and headspace.

FAQs

Can a buyer require full insurance cover at tender stage?

Not necessarily, if the insurance relates only to delivering the new contract. Under the Procurement Act 2023, the buyer can require evidence that you will have the cover in place when the contract starts. Employers’ liability may be different because it’s a legal requirement for many employers outside the contract.

What is the legal minimum for employers’ liability insurance?

Most employers must hold at least £5 million of employers’ liability insurance with an authorised insurer. Check whether an exemption applies to your organisation. Don’t confuse the legal minimum with a buyer’s stated requirement, which may be higher.

Is public liability insurance the same as professional indemnity insurance?

No. Public liability usually covers injury or property damage to third parties. Professional indemnity covers financial loss caused by professional advice, designs, services or errors. Depending on the work, a contract may need both.

Will a broker letter satisfy a tender insurance requirement?

It can, if the tender permits evidence of future cover and the letter confirms the required policy and limit can be arranged. Include your commitment to put the cover in place before the contract starts. Follow the ITT wording exactly.

What should a subcontractor provide?

Ask for current certificates or policy schedules, confirm the limits fit their work package, and check expiry dates. Your subcontract should require suitable cover throughout their work, subject to the contract terms and risks involved.

Key takeaways

• Insurance evidence can be a pass/fail tender requirement, even when it isn’t scored.
• Buyers should request proportionate cover linked to the contract’s risks.
• Contract-performance insurance may not need to be live at tender stage.
• A clear broker or insurer letter can show that required cover will be available.
• Evaluators need evidence they can verify quickly, not broad assurances.
• Check every policy against the contract, your delivery model and your price before submitting.