In practice, a top hat
pension scheme is an occupational pension arrangement with membership restricted to a select group of employees-typically senior management and
directors-used to provide enhanced or supplementary retirement benefits alongside (or instead of) the employer’s main scheme. The label is descriptive rather than a defined term in UK or Irish legislation or case law, and is often used interchangeably with
executive pension scheme.
Key features include restricted eligibility by role or grade, more generous benefit design, and flexible structuring: it may be defined benefit or defined contribution; a standalone scheme or ring‑fenced section; or, in some cases, an unfunded or unregistered promise. In the UK, comparable arrangements have included unapproved schemes (e.g., UURBS/FURBS) and, post‑2006, employer‑financed retirement benefit schemes (EFRBS). In Ireland, similar usage covers executive or one‑member occupational pension arrangements. Usage and concept are broadly consistent across England & Wales, Scotland, Northern Ireland and Ireland.
Practical significance: regulatory and tax treatment depends on structure (e.g., registered occupational schemes are subject to pensions law and trusteeship; unregistered promises follow distinct tax and disclosure rules). Employers must still meet automatic enrolment duties and manage equal treatment and discrimination risks when restricting membership.