When choosing a PAT testing company, you'll often see references to NICEIC approval and City & Guilds 2377 qualifications. These are both important quality indicators, but they refer to different things. Understanding the difference helps you make an informed choice.
What is NICEIC?
NICEIC (National Inspection Council for Electrical Installation Contracting) is the UK's leading voluntary body for the electrical contracting industry. NICEIC-approved companies have been assessed against strict technical competence and business standards. When a company is NICEIC approved, it means the organisation — not just individual engineers — has been assessed and found competent. This is a stronger assurance than individual qualifications alone.
What is City & Guilds 2377?
City & Guilds 2377 is a specific vocational qualification for In-Service Inspection and Testing of Electrical Equipment — in other words, PAT testing. An engineer holding City & Guilds 2377 has completed formal training and assessment in PAT testing procedures, use of test equipment, and interpretation of results. It is the most widely recognised individual qualification for PAT testing engineers in the UK.
Do You Need Both?
For maximum assurance, look for a company that is both NICEIC approved at an organisational level AND employs engineers with City & Guilds 2377 qualifications. NICEIC approval demonstrates the company meets rigorous standards; City & Guilds 2377 demonstrates the individual engineer has been formally trained in PAT testing. MES PAT Testing Ltd holds both.
Other Relevant Qualifications
- IET Code of Practice training — familiarity with the definitive PAT testing guidance
- Enhanced DBS check — important for access to schools, care homes, and sensitive premises
- CSCS card — required for access to construction sites
- First Aid at Work certificate — useful for remote or industrial site visits





