Our Accreditations

City Energy is committed to the continuous and effective improvement of our products and services for the benefit of our staff, suppliers, customers and other stakeholders.   We are committed to continually improving the quality of our delivery in order to meet customer expectations of performance, quality, price and delivery in all we do.  We meet the highest of industry standards, codes, and practices, ensuring all measures are completed in full compliance with the design specifications, ECO standards and manufacturer’s instructions.

We are proudly accredited for the following:

Achilles UVDB

Achilles UVDB is the utility industry pre-qualification system used across the UK. Working closely with key buying organisations in the sector, this community helps them achieve the highest standards of supply chain assurance.

CIPS Sustainability Index

We are an accredited member of the CIPS Sustainability Index. Launched in 2013, the index is an audit services provider, accurately measuring the sustainability practices of suppliers, with the aim of reducing internal buyer processes by providing supply chain visibility to buyers and enabling suppliers to demonstrate industry-approved levels.

Consumable Code membership – HIES

A Chartered Trading Standards Institute (CTSI) approved Consumer Code, HIES is a leading consumer protection organisation covering the installation of home energy products.

Consumer Credit Trade Association (CCTA)  

The CCTA is one of the longest-serving credit trade associations in the UK, representing firms associated with consumer credit. City Energy Network is a member of the CCTA.


ELECSA operates competent person schemes on behalf of the Government to ensure that the contractors are technically competent to carry out the planned works. We are an approved ELECSA contractor including electrical (Part P).

Gas Safe Register

The Gas Safe Register is the official list of gas engineers and installers in the UK, Isle of Man, and Guernsey who are legally qualified to work with gas appliances.

Green Deal Provider

Green Deal Providers arrange Green Deal Plans, provide finance, and arrange for the installation of the agreed energy efficiency improvements through an authorised Installer.

Green Deal Installer 

Certified by a Certification Body as meeting the Publicly Available Specification (PAS) 2030 for the measures you we install.

Green Deal Advice Organisation 

Approved to perform Green Deal Assessments on properties throughout the UK.

Information Commissioner’s Office (ICO)

We take data protection and your privacy very seriously. To demonstrate our commitment and meet regulatory requirements we are registered with the ICO. You can find us on their public register under reference Z3489541


MCS certification is a mark of quality and demonstrates compliance to industry standards.  It is supported by the Department of Business, Energy & Industrial Strategy.  MCS certification demonstrates the quality of products and competence of installers in the renewable technology sector.


Delivering Smart Meter installations across England, Scotland, and Wales requires compliance with strict guidelines and codes of practice. We are registered with the Meter Operation Code of Practice Agreement and all signatory.


To promote and assure you of our highest standards across our heating installation services, we are registered and authorised through Oftec.

Qualitymark Protection

Qualitymark Protection is an approved TrustMark Financial Protection provider and offers valuable protection for both installers and homeowners.


Trustmark is the Government Endorsed Quality Scheme covering work a consumer chooses to have carried out in or around their home.

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