Age UK offer a Business Directory, which is a free service to help older people find a trustworthy business in their local area

Hosts on Airbnb are everyday people who share their worlds to provide guests with the feeling of connection and being at home

As one of the world’s pre-eminent banking groups – and the first ever French bank to set down roots in the UK in 1867 and solutions in Europe and worldwide

Buckinghamshire and Surrey Trading Standards work with TrustMark to offer a Trading Standards Approved level of membership

CTSI represents trading standards professionals working in local authorities, business and consumer sectors and central government

CIOB drive up professional standards, push forward innovation, influence political decisions and strengthen the talent

Consumer Friend gives consumers and businesses free, impartial advice on consumer rights, rules and best practices

Citizens Advice give's advice on consumer rights via their consumer helpline and works with TrustMark to ensure you find a trader you can trust

The Department for Business & Trade supports businesses to invest, grow and export, creating jobs and opportunities across the country

The Department for Energy Security and Net Zero (DESNZ) is focused on the energy portfolio from the former Department for Business, Energy and Industrial Strategy (BEIS)

Previously MHCLG, DLUHC's job is to create great places to live & work and to give more power to local people to shape what happens in their area

Electrical Safety First is a campaigning charity that aims to reduce deaths and injuries caused by electricity in UK homes

Energy Saving Trust is an independent organisation – working to address the climate emergency

Grand Designs magazine is the official publication of the hit television show hosted by Kevin McCloud and broadcast on Channel 4 and All 4

The INCA is the trade association for the External Wall Insulation industry, representing the major system designers, a nationwide network of specialist installers and key component suppliers

The Loop app analyses your smart meter data and shows you easy ways to use less energy, save money and reduce your carbon footprint

MCS create and maintain standards that allow for the certification of products, installers and their installations

The National Consumer Federation represents the voice of UK consumers. They have more than 50 years of experience in promoting consumer interests and positive change

The NHIC represents over 100,000 businesses in 100’s of trades carrying out five million home improvement and RMI jobs each year

The National Insulation Association (NIA) exists to promote a more energy-efficient built environment

Plentific empowers landlords and property managers with a platform to manage their properties and a marketplace of local trade talent to deliver repairs and maintenance work

The UK's largest residential architecture practice, gives TrustMark businesses access to around £10,000,000 value of new residential projects each month

Snugg is building an easy-to-use online platform that makes home energy efficient simple and affordable

ARB is an independent professional regulator, established by Parliament as a statutory body, through the Architects Act, in 1997. They are accountable to the Government

The National Cyber Security Centre (NCSC) provides a single point of contact for SMEs, larger organisations, government agencies, the general public and departments

They regulate the conduct of 50,000 firms in the UK to ensure that our financial markets are honest, competitive and fair

Gas Safe Register is the only official gas registration body of gas businesses and engineers in the United Kingdom. By law, all gas businesses must be on the Gas Safe Register

If you own a property in England or Wales, you can get recommendations for home improvements that could make your property cheaper to heat and keep warm

If you own a property in England or Wales, you can get recommendations for home improvements that could make your property cheaper to heat and keep warm

Local Authority Building Control (LABC) represents all local authority building control teams in England and Wales

The Department for Levelling Up, Housing and Communities supports communities across the UK to thrive, making them great places to live and work

Established in 1936, they are the UK's leading provider of warranty and insurance for new homes

The Royal Institution of Chartered Surveyors enforces the highest professional qualifications and standards in the development and management of construction and infrastructure