This Practice Note provides an overview of the legislation and regulation impacting business to business (B2B) contracts for the supply of services. It considers the supply of goods and Services Act 1982 (SGSA 1982), Provision of Services Regulations 2009, SI 2009/2999 (PSR 2009), Equality Act 2010 (EqA 2010), Criminal Finances Act 2017 (CFA 2017), Bribery Act 2010 (BA 2010), Modern Slavery Act 2015 (MSA 2015), Regulation (EU) 2018/302 and data protection, employment laws and statutory controls on ipso facto clauses to the extent that they impact the supply of services. The Practice Note considers the use of standard terms and conditions versus bespoke agreements for use in documenting supply of services transactions. It also provides an overview of different types of contract for the supply of services, and the key terms in those contracts, including those dealing with the description and specification of services, price and payment, performance, acceptance, most favoured customer/supplier provisions, warranties and limitation of liability clauses. Sector specific legislation and regulation is not considered.