What It Is, and the Five Names It Goes By

The product is simple: the employer takes out one policy covering its people; when a covered employee develops a new, acute condition, the back problem, the suspicious symptom, the knee that needs surgery, they are referred, pre-authorised and treated privately, usually within days, with the insurer paying subject to the plan’s terms. What makes it confusing is the naming: business health insurance, group health insurance, company health insurance, corporate health insurance, employer PMI and group PMI are the same product; insurers and brokers badge it differently by audience.

Two structural truths every buyer needs before comparing anything: the policy covers new conditions (pre-existing ones follow the underwriting basis, the moratorium standard for SMEs, or Medical History Disregarded for larger groups), and it never covers chronic-condition management or emergencies, which stay with the NHS. The full employer-side mechanics, who can be covered, eligibility rules and how claims actually run, continue in putting healthcare through the business.

2026 Costs Per Employee

The dials that move any quote: team age profile (the big one), location (London prices highest), cover level and hospital list, excess, and underwriting, with groups of 20 or more commonly unlocking 5 to 15% volume discounts as risk pools. Worked examples, tier by tier and team by team, live in our cost-per-employee guide, with the whole-decision arithmetic in is it worth it?

The Group-Size Ladder: 1 Director to 20+ Staff

Directors weighing their own cover against the team’s have a dedicated read in director cover options and group health insurance for company directors.

Which Insurers Have Clear, Limited Exclusions?

This is now the most-asked question about group cover, so here is the answer without fudge: exclusions come from the underwriting basis, not the brand. On moratorium terms, the SME standard, the wording is near-identical across Bupa, AXA, Aviva, Vitality and WPA: conditions from the last five years excluded until two continuous trouble-free years pass, the mechanics in moratorium vs FMU. The route to minimal exclusions is not a magic brand; it is Medical History Disregarded underwriting, which all five majors offer on qualifying schemes (typically 15 to 20 or more employees) and which applies no personal medical exclusions at all. What no underwriting basis removes: policy exclusions, chronic-condition management and cosmetic work, which apply everywhere. Transparency between brands shows up less in exclusions and more in wording clarity and claims service, where WPA’s 74% Which? customer-service score leads the pack.

Group PMI Waiting Periods

The companion question, same straight treatment: for new, eligible acute conditions, group schemes generally carry no standard waiting periods; cover works from the scheme start date at all the major insurers. The effective wait lives in underwriting, not the calendar: on moratorium terms, pre-existing conditions stay excluded until two continuous symptom-free years pass; on MHD, pre-existing conditions are covered from day one. A few specific benefits on some schemes carry their own qualifying periods, so the scheme terms deserve ten minutes before launch day, and anyone switching schemes mid-stream should read switching without losing cover first, because continuity is the asset.

The Tax Mechanics and the April 2027 Change

Three moving parts. For the company: premiums are normally a deductible business expense against corporation tax. For the employee: the premium’s value is a P11D benefit-in-kind, taxed as income; the full mechanics are in P11D explained. For the employer again: Class 1A National Insurance is due on that value. The date to diarise: from April 2027, HMRC requires benefits-in-kind, health insurance included, to be payrolled in real time rather than reported on year-end P11Ds, so schemes set up now can plan employee communications around it. For the perennial question of whether salary sacrifice helps here, the salary-sacrifice guide gives the answer, and the trivial benefits allowance covers the small perks that stay tax-free.

What It Does for the Business

The commercial case in one paragraph: sickness absence costs UK business billions of days a year, and the schemes’ value concentrates exactly where SMEs hurt most, one key person off for months waiting for a scan or surgery. Fast diagnostics and planned treatment shorten absences; a visible health benefit wins hiring conversations against bigger employers; and staff who use the benefit stay. Even a modest retention improvement typically repays the £45 to £75 per head several times over, with the full arithmetic, including when it does not stack up, in the worth-it guide. Where budget will not stretch to full PMI, the alternatives ladder, cash plans, an EAP and structured perks, lives in our employee benefits guide.

The Five Insurers Compared

Each card links to our guide on that insurer’s business product and the head-to-heads where the choice narrows.

The full market table is in compare business health insurance.

How to Compare and Buy Properly

Five checks make a like-for-like comparison: the underwriting basis (moratorium vs FMU vs MHD; it decides the exclusions, as above), the outpatient limit (diagnostics live here, the difference between a scheme that speeds things up and one that does not), the hospital list (regional lists cut cost; check they cover where your people actually live), the excess, and the extras your team will value: mental health, digital GP, EAP. Two quotes at the same per-head price can be very different products underneath, which is the whole argument for a like-for-like exercise through the comparison guide, and at every renewal after, because group premiums drift with medical inflation and loyalty is never rewarded.

Every Business Cover Guide

Our guides for employers, directors and the self-employed, grouped by what you are deciding.

For personal cover rather than a company scheme, start at our private health insurance guide; for what the NHS wait looks like today, the NHS waiting times hub.

FAQs: Business Health Insurance (2026)