Guide
Doing business in Northern Ireland: key differences from Great Britain
Comprehensive reference of the key regulatory divergences between Northern Ireland and Great Britain. Covers employment law, equality legislation, planning, business rates, health and safety, product standards, alcohol licensing, fire safety, and the Windsor Framework dual regulatory regime.
Northern Ireland has its own devolved regulatory framework that diverges from Great Britain in several important areas. If your business operates in or is expanding into NI, you need to understand where the rules differ.
This reference guide summarises the key areas of divergence. Each section links to detailed snippets and related guides for further information.
Employment law
Employment law is a transferred (devolved) matter in Northern Ireland. Although NI employment law broadly mirrors GB, it operates through separate legislation. The key structural differences are:
Fair employment monitoring (unique to NI)
Northern Ireland has a mandatory community background monitoring obligation that exists nowhere else in the UK. Employers with 11 or more employees must register with the Equality Commission for Northern Ireland and submit annual monitoring returns.
Planning system
NI has a fully devolved planning system under the Planning Act (Northern Ireland) 2011. Since April 2015, 11 district councils handle most planning decisions. Key differences from England include no Community Infrastructure Levy, no neighbourhood plans, different use classes, and a separate permitted development order with different thresholds.
Business rates
Northern Ireland operates a dual rate system combining a regional rate (set by the NI Executive) and a district rate (set by each council). The system differs significantly from England's multiplier-based approach.
Health and safety
Workplace health and safety in Northern Ireland is enforced by HSENI (Health and Safety Executive for Northern Ireland), a completely separate body from the HSE which covers Great Britain. NI has its own parallel regulations enacted as Northern Ireland Statutory Rules.
Product standards and the Windsor Framework
Northern Ireland occupies a unique dual regulatory position under the Windsor Framework. NI remains part of the UK customs territory but follows EU single market rules for goods. This affects product marking (CE marking applies in NI, not UKCA alone), food standards, and customs procedures for goods moving between GB and NI.
Alcohol licensing
NI has a completely separate alcohol licensing system. Licences are granted by the county court (not local councils), must be renewed every 5 years, and there is no personal licence system.
Other areas of divergence
| Area | NI position | GB comparison |
|---|---|---|
| Fire safety | Fire and Rescue Services (NI) Order 2006; enforced by NIFRS | Regulatory Reform (Fire Safety) Order 2005 (E&W); Fire (Scotland) Act 2005 |
| Building regulations | Building Regulations (NI) 2012; administered by 11 district councils | Building Regulations 2010 (E&W); Building (Scotland) Act 2003 |
| Environment | NIEA (Northern Ireland Environment Agency) enforces | Environment Agency (E), NRW (W), SEPA (S) |
| Equality law | Separate anti-discrimination statutes; Equality Act 2010 does not apply | Equality Act 2010 (GB) |
| Company law | Companies Act 2006 applies UK-wide (reserved matter) | Same legislation applies |
| Tax | Most tax is reserved (HMRC); Corporation Tax devolution enacted but not commenced | Same HMRC rules apply (with some NI rates differences) |
Related guides
- Cross-border business between NI and the Republic of Ireland
- Business support and grants in Northern Ireland
- Alcohol licensing in Northern Ireland: court-granted licences
- Northern Ireland business compliance checklist
- Windsor Framework: what businesses need to know
- Trading with Northern Ireland under the Windsor Framework