Established. Trusted. Experienced

The L123 Difference

Since 1997, L123 has delivered electrical compliance services through long-standing customer relationships built on consistency, trust and delivery. Our management team brings over 25 years’ experience in planning and delivering compliance programs, ensuring work is approached thoughtfully, proportionately and with a clear understanding of risk.

Many of our contracts are long-term and regularly renewed, with some customers having worked with L123 for more than 20 years. This continuity reflects a delivery model that works, supported by experienced engineers, careful scheduling and a practical approach to compliance.

We work closely with large insurance providers, estates teams and operational managers, understanding the importance of defensible compliance, clear records and dependable delivery. Customers value the fact that they deal with the same people over time, supported by stable systems and a business that understands the long view of compliance.

Planned. Delivered. Maintained

Our Three-Stage Compliance Process

From initial assessment through to ongoing maintenance contracts, L123 delivers structured compliance programmes tailored to your operational requirements and regulatory obligations.

Site Assessment & Risk Analysis

Understanding your buildings usage, risks & compliance requirements.

Scope confirmation

Risk-based planning

Access and sequencing

Program planning

Testing, Installation & Certification

Conduct inspection and testing in line with current regulations & recognised guidance.

Qualified, competent engineers

Consistent inspection standards

Accurate certification

Clear, defensible observations

Review, Prioritise & Maintain

Maintenance contracts with reminders, certificate tracking & pre-expiry renewals. Stay compliant without the administrative burden & prioritise next steps.

Risk-based prioritisation

Remedial planning

Lifecycle compliance

UK Wide – Meeting Expectations – Trusted

Client Feedback & Success Stories

Trusted by Estates Managers, Facilities Managers, Property Directors and Business Owners alike.

We’ve partnered with L123 for EICR, PAT, fire alarm, and emergency lighting inspections across 1,600+ retail locations over the past five years.

When you find a good supplier, why change?

Our dedicated Contract Manager is highly knowledgeable and a real asset.

MUCH LOVED AND TRUSTED UK FOOD RETAILER

L123 have delivered EICR and remedial works across our residential portfolio of 1,700 locations for over 20 years.

Their team manage resident access sensitively, adopt a ‘right first time’ approach maintain and provide comprehensive reporting to support our compliance obligations.

ENGLAND'S LARGEST PROVIDER OF SPECIALIST HOUSING AND CARE HOMES

L123 support the University with electrical compliance across our multi-building estate, including research facilities, laboratories, academic buildings, and student accommodation.

They manage high-volume programs within live teaching and research environments, providing well-coordinated access, and timely certification and complex drawings.

A professional and dependable partner.

RUSSELL GROUP UNIVERSITY IN THE NORTH EAST

L123 deliver electrical compliance services across our secure healthcare facilities, understanding the sensitivities of working within complex clinical environments.

Their engineers operate professionally and respectfully, coordinating closely with our estate and clinical teams.

Reporting is clear, remedial works are completed promptly, and certification is always delivered on time.

LEADING MENTAL HEALTHCARE CHARITY

For over 20 years, L123 have supported us with electrical compliance and remedial works across our motorway service locations nationwide.

They operate efficiently within busy 24/7, high-footfall environments and adapt to our ever-changing electrical infrastructure.

Communication is always proactive. 

UK'S LARGEST SERVICE AREA OPERATOR

L123 deliver electrical compliance across our operational estate with a clear understanding of the demands placed on policing facilities. Their approach is disciplined, well planned, and responsive to changing operational priorities. Works are carried out with minimal disruption, remedial actions are addressed efficiently, and documentation is thorough and audit-ready. A contractor that understands accountability and delivers accordingly.
SECOND LARGEST POLICE FORCE IN ENGLAND AND WALES