Documents For Businesses
Here you will find key TrustMark documents, helpful guides and information for your business
Key Documents
348.1 KB, PDF
Customer Charter
This sets out the rights and responsibilities of customers receiving advice, installations, products, services or other work carried out by a TrustMark Registered Business
7.2 MB, PDF
Framework Operating Requirements
TrustMark engages with its Scheme Providers through a sub-licence agreement. Scheme Providers make a commitment to work within the TrustMark Framework Operating Requirements
532.8 KB, PDF
Code of Conduct
TrustMark protects consumers by connecting them with reputable tradespeople who have passed various checks and demonstrated their commitment to good practice and excellent customer service
Policies
682.0 KB, PDF
Consumer Vulnerability Policy
The purpose of the Consumer Vulnerability Policy is to set out our approach to supporting consumer vulnerability
721.2 KB, PDF
Solid Wall Reinstatement
This document outlines the process for the removal of sanctions and reinstatement of measures which could be conditional, on continued cooperation with applied sanctions
Best Practice Guides
380.5 KB, PDF
Solid Floor Insulation
Guide for designers, surveyors and installers considering the suitability of solid floors to receive internal thermal upgrades
1004.7 KB, PDF
Insulating Suspended Timber Floors
Guidance for insulating suspended timber floors
1.4 MB, PDF
Room in Roof Insulation
Guide for designers, surveyors, project managers and installers considering the suitability of roofs to receive internal thermal upgrades
PAS2035 & Structured Retrofit Data
557.2 KB, PDF
Retrofit Assessment Transition – PAS2035
This document provides an additional mechanism for PAS 2035:2019 assessments to be converted to PAS 2035:2023. This is available for PAS 2035:2019 retrofit assessments, completed by 30th March 2025
158.4 KB, PDF
PAS 2019 Vs 2023 Differences
A document to show the differences between PAS 2019 & 2023, focussing on ventilation types, assessment documents and other changes
69.5 KB, PDF
Data Warehouse Terms Of Use
We have taken steps to ensure that these terms focus on important principles and are simple to understand and easy to stick to
Quality Management System
25.0 KB, XLSX
Approved Supplier List Register Principle
This document records details relating to your approved supplier list
22.8 KB, XLSX
Building Suitability Assessor Details
This document will record all details relating to your Independent Safeguarding Authority (ISA) Assessor
24.6 KB, XLSX
Company Sub Contractor Installation Details
This spreadsheet is designed to show you all relevant information relating to your Installer Company Sub-Contractor or Self Employed Installation Technicians
TrustMark is the Government Endorsed Quality Scheme that covers work a consumer chooses to have carried out in or around their home.
When a consumer chooses a TrustMark Registered Business, they are engaging with an organisation that has been thoroughly vetted to meet required standards and has made a commitment to good customer service.
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