Most business owners spend years building something valuable — a company, a client base, a reputation. What they rarely plan for is what happens to their ownership stake if one of their co-shareholders dies.
Without the right structure in place, the deceased's shares pass to their estate. That means their spouse, their children, or whoever inherits them could become your new business partner — whether you want them to or not. Shareholder protection insurance is the mechanism that prevents this from happening.
1. What is shareholder protection insurance?
Shareholder protection (sometimes called share protection or business continuity insurance) is a life assurance policy that allows the remaining shareholders in a business to buy back the shares of a deceased shareholder from their estate — at a fair, pre-agreed price, and without needing to find the cash themselves.
Each shareholder takes out a policy on their own life. The sum insured reflects the value of their shareholding. When a shareholder dies, the policy pays out — giving the remaining shareholders the funds they need to purchase the shares from the estate.
In plain terms
Shareholder protection ensures that if a business partner dies, their family receives fair value for the shares — and the remaining owners keep control of the business. Everyone gets what they actually want.
2. Why does it matter?
Without shareholder protection, the death of a co-shareholder creates a situation that nobody wants:
The surviving shareholders lose control
The deceased's shares pass to their estate. Depending on the shareholding, this could mean the remaining owners are suddenly in a minority position — unable to make decisions without the agreement of people who have no knowledge of, or interest in, the business.
The family is left with an illiquid asset
Shares in a private limited company cannot easily be sold. The family of a deceased shareholder may hold a significant asset on paper — but be unable to realise its value. They may not want to be involved in the business, but have no mechanism to exit cleanly.
Disputes become likely
Without an agreed framework, the valuation of the shares, the terms of any buyout, and the timescale for resolution are all subject to negotiation — at the worst possible moment, when emotions are running high and the business needs certainty.
A common scenario
Two directors each own 50% of a business worth £2 million. One dies. Their spouse inherits 50% of a company they have no interest in running — and the surviving director now has a co-owner they never chose. Neither party is in a good position. Shareholder protection resolves this before it happens.
3. How does shareholder protection work?
The mechanics involve two components working together: the insurance policy and the legal agreement.
The insurance policy
Each shareholder takes out a life assurance policy (and optionally, critical illness cover) on their own life. The sum insured is set to reflect the current value of their shareholding. The policies are typically written in trust for the benefit of the remaining shareholders — which means the payout goes directly to them, outside the deceased's estate, and without the delays of probate.
The legal agreement
Alongside the policy, a cross-option agreement (or double-option agreement) is put in place. This is a legal document that sets out the terms on which the shares can be bought and sold in the event of a shareholder's death. Without this agreement, the insurance policy alone is not sufficient to ensure an orderly transfer of shares.
4. The cross-option agreement
The cross-option agreement is the legal backbone of shareholder protection. It grants:
- A put option to the estate — the right to require the surviving shareholders to buy the deceased's shares
- A call option to the survivors — the right to require the estate to sell the shares to them
The key feature of the cross-option agreement — rather than a binding buy-sell agreement — is its treatment under inheritance tax rules. A binding agreement to sell shares on death is treated as a contract for sale, which means the shares may not qualify for Business Relief (formerly Business Property Relief). A cross-option agreement preserves Business Relief eligibility, which can be a significant tax advantage for the estate.
This is a nuanced area of law and tax. Your broker will work with a solicitor to ensure the agreement is structured correctly.
5. How much does shareholder protection cost?
The premium for each shareholder's policy depends on:
- Their age and health
- Whether critical illness cover is included
- The value of their shareholding (the sum insured)
- The policy term
- Whether they smoke
As with all life assurance, premiums can vary significantly between insurers for the same individual — which is why searching the whole market matters. A whole-of-market broker will identify the most competitive terms across all available providers.
Get an accurate quote
CompanyPMI arranges shareholder protection for UK businesses. We search the whole market and come back with a tailored recommendation — at no cost to your business.
Get a Free Quote6. Tax treatment
The tax treatment of shareholder protection is relatively straightforward when the policy is structured correctly:
- Premiums are not a deductible business expense — they are paid personally by each shareholder, not by the company, and are not treated as a benefit in kind
- The payout is not subject to income tax — because the policy is written in trust for the benefit of the surviving shareholders, it falls outside the deceased's estate and is not subject to inheritance tax
- Business Relief may apply — when a cross-option agreement is used (rather than a binding buy-sell), the shares in the deceased's estate may qualify for 100% Business Relief, meaning no inheritance tax is payable on them
As always, tax treatment depends on individual circumstances. We recommend taking advice from your accountant alongside your insurance broker.
7. How to get shareholder protection in place
Setting up shareholder protection involves coordinating both the insurance and the legal agreement. A specialist broker will manage the insurance side and refer you to a solicitor for the cross-option agreement.
- Value the business — your accountant can help establish a current valuation, which determines the sum insured for each shareholder
- Decide on cover type — life only, or life and critical illness
- Each shareholder applies for their own policy — written in trust for the remaining shareholders
- A cross-option agreement is drafted — by a solicitor, in conjunction with the policies
- Policies are reviewed periodically — as the business grows in value, the sum insured should be updated
Protect what you've built.
CompanyPMI arranges shareholder protection for businesses across the UK. Tell us about your business and we'll come back the same working day with a recommendation — no obligation, no cost.