MPs’ Business Costs - Project Open Gov

The costs funded through IPSA to support MPs in carrying out parliamentary functions.

Category: Parliament and elections Parliamentary documents and sources

Also used as: MPs' Business Costs, MP business costs, MPs’ expenses, MPs' expenses, MP expenses, parliamentary expenses

Official website: View the IPSA Funding Scheme for MPs

Source / explainer: Visit IPSA

Last reviewed: 22 August 2026

MPs’ Business Costs are costs funded through IPSA to support MPs in carrying out their parliamentary functions, such as staffing, office costs, accommodation, travel and other permitted work-related costs. They are separate from an MP’s personal income and from the Register of Members’ Financial Interests.

Related terms

Family Members EmployedA register category covering certain family members employed and paid through parliamentary expenses.Independent Parliamentary Standards AuthorityThe independent body that regulates and administers MPs’ business costs and decides MPs’ pay and pensions.Member of ParliamentAn elected representative who sits in the House of Commons.