Mazars has in-depth knowledge and experience of sector specialisms. As well as being one of the UK’s leading firms serving the insurance market, we have specialist expertise in banking, retail and consumer markets, industrial products and services, TMT and not-for-profit organisations.

Mazars also acts for close to 500 charities and works with over 140 Social Housing Providers, including Registered Providers, Registered Social Landlords (Wales and Scotland) and Arms Length Management Organisations.

In various sectors, we act for some of the leading businesses in the world. In Banking, Mazars audits BNP-Paribas, the 3rd largest bank in Europe and the 6th largest in the world; in the Retail and Consumer market we audit Pernod-Ricard, the 2nd largest drinks company in the world; and in the Industrial Products and Services sector, Mazars audits Thales the 9th largest defence contractor in the world.

In Insurance, Mazars audits AXA, the 3rd largest insurer in the world. We are also advisers to over 50 UK insurance and reinsurance companies.

Find out more about Mazars' offerings by sector using the menu on the left.


Transport companies operate in the global stage and have not been immune to the economic challenges facing all industries. Shipping is facing oversupply of vessels and scarcity of funding. Rail and buses are facing increased regulation whilst other forms of transport face their own ongoing challenges.

Mazars works with a wide range of clients operating in all areas of transport, from companies listed on the stock market in the UK and internationally, to owner-managed businesses and start up operations.