What Is Keyman Insurance? A Plain-English Guide for UK Business Owners (2026)

Keyman insurance — sometimes spelled “key man” or written as key person insurance — is a life and critical illness policy owned and paid for by a UK limited company on the life of a director, founder or other essential employee. If that key person dies or becomes critically ill during the policy term, the lump sum is paid to the business rather than the family, so the company can stay solvent, keep paying staff and either replace the person or pay down debt while it adjusts.

Quick facts about keyman insurance in the UK

• Who it covers: any individual whose death, illness or absence would directly damage company profits — founders, MDs, sales rainmakers, technical leads, sole client-handlers.
• Who pays: the limited company is the proposer, the policyholder and the premium-payer.
• Who is paid out: the business receives the lump sum, not the family.
• Typical cover: £100,000 – £2,000,000+, normally calculated as a multiple of the key person’s gross profit contribution or salary.
• Typical term: 1, 2, 5, 10 or “to age 65/70”. Usually aligned with a known business risk window (a loan term, an earn-out, a major contract).
• Underwriting: medical questionnaire, sometimes a GP report or nurse-screen at higher sums assured.

Why does keyman insurance exist?

For most UK SMEs, two or three people produce the bulk of the value. They sign the contracts, hold the bank relationships, write the code, win the work or run the operation. If one of them dies or is signed off long-term, the business doesn’t collapse on day one — but cash flow drops, lenders get nervous, customers start asking questions and the cost of replacing them is brutal. Keyman insurance is the funded answer to “what happens to the business if X is suddenly not here?”

The Office for National Statistics estimates around 5.5 million UK private sector businesses (2025), 99.2% of which are SMEs. Multiple industry surveys put the proportion without any form of business protection in place at well over 50% — the same group most exposed to the loss of a single founder.

How does a keyman insurance policy work, step by step?

1. Identify the key person — usually someone whose departure would directly cost the business profit, contracts or financing.
2. Calculate the sum assured — we cover this in detail in our how much keyman cover do you need guide.
3. Choose term and cover type — level term, decreasing term, with or without critical illness, with or without indexation.
4. Apply — the company is the applicant; the key person is the “life assured”.
5. Underwriting — medical questionnaire, occasionally medical evidence.
6. Premium starts — usually monthly, paid by the company.
7. Claim — if a valid claim arises, the lump sum lands in the company bank account, often within weeks.

What does keyman insurance actually cover?

Is keyman insurance the same as life insurance?

No. Personal life insurance is owned by an individual and pays out to their family. Keyman insurance is owned by a company and pays out to the business. The underwriting is similar but the contract, the claim cheque and the tax treatment are completely different. We compare the two side-by-side in Keyman insurance policy explained.

Is keyman insurance the same as key person protection?

For practical purposes, yes — “key person protection” is the modern industry name; “keyman insurance” is the older term most business owners still search for. The product, contracts and underwriting are identical. We cover the nuance in Key person protection vs keyman insurance.

How much does keyman insurance cost in the UK in 2026?

Indicative monthly premiums for a non-smoker on a 5-year level term policy without critical illness:

• Age 30, £250,000 cover: ~£10–£18 / month
• Age 40, £500,000 cover: ~£28–£45 / month
• Age 50, £500,000 cover: ~£70–£120 / month

Adding critical illness typically doubles the premium. See our full breakdown in Keyman insurance UK cost in 2026.

Are keyman insurance premiums tax-deductible?

Sometimes — HMRC’s “Anderson principles” (Sir John Anderson, 1944) decide whether your premiums qualify as a deductible business expense and whether the payout is taxable. As a general rule, premiums are deductible if the policy is on an employee (not a major shareholder), term-only with no surrender value, and exists wholly to compensate for trading loss. The detail matters — we walk through HMRC’s tests in Keyman insurance and corporation tax.

Which UK businesses most often buy keyman insurance?

• SMEs with 1–3 founders generating most of the revenue
• Owner-managed limited companies with bank or BBLS/Growth Guarantee Scheme debt
• Tech companies with key technical leads
• Professional practices (law, accountancy, dental, veterinary) with named partners
• Family businesses preparing for succession
• VC-backed startups where investors require it as a condition of funding

What is NOT keyman insurance?

• Shareholder protection — pays the surviving shareholders, not the business, so they can buy the deceased’s shares.
• Relevant life insurance — tax-efficient personal life cover paid by the company for the family of the employee.
• Director’s life insurance (personal) — owned by the director personally, pays out to family.
• Group life cover — mass-market, employee-benefit version, pays out to the family on death-in-service.

How quickly can keyman cover be in place?

For a healthy applicant under £500,000 of cover, a quote-to-cover process usually takes 3–10 working days. Larger sums or more complex medical histories may take 3–6 weeks while medical evidence is gathered. To start your application, run your details through our keyman insurance quote form.

Is keyman insurance worth it?

For an owner-managed UK SME where one or two people would be irreplaceable in the short term, the answer is almost always yes. The cost is small relative to revenue, the lump sum buys time and stability when the business is most exposed, and lenders/investors often require it. The honest exception is a business with deep redundancy in skills and revenue at director level, where loss of any one person doesn’t materially damage trading — in that case it may genuinely not be necessary.

Frequently asked questions

Is keyman insurance the same as key person insurance?

Yes. “Keyman insurance”, “key man insurance” and “key person insurance” all describe the same product. UK insurers and FCA-regulated advisers increasingly use “key person protection” as the modern term.

Can a sole trader take out keyman insurance?

Not in the strict sense — keyman insurance requires a company to be the policyholder. Sole traders use personal life insurance with a business-loss clause or income protection. See Keyman insurance for sole traders, partnerships & ltd companies.

Who decides how much cover the business needs?

The directors, usually with adviser input. Common approaches are 5× gross salary, 2× gross profit contribution, or the value of outstanding business loans the key person personally guarantees. See How much keyman cover do you need.

What happens if the key person leaves the business?

The policy belongs to the company, so it can be cancelled, kept on the same person, or restructured onto a new key person via a fresh underwriting application.

Does the key person have to consent?

Yes. UK law requires the life assured to sign the application and disclose medical history. Without their consent the policy is invalid.

What if the key person already has personal life insurance?

It does not affect a keyman application. Personal cover protects the family; keyman protects the business. They run independently, and most insurers will accept both.

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