Keir Mather MP: votes, interests and costs
Keir Mather (Labour) is the MP for Selby, in the seat since 20 July 2023. Current post: Parliamentary Under-Secretary (Department for Transport), held since 7 September 2025.
Offices and committees
The Members API lists one current post for Keir Mather.
Ministerial and shadow posts
| Post | Department | From | To |
|---|---|---|---|
| Parliamentary Under-Secretary (Department for Transport) | Department for Transport | 7 September 2025 | Current |
Committees
| Committee or post | From | To |
|---|---|---|
| Civil Aviation (Consumer Protection and Regulatory Reform) Bill | 15 October 2026 | Current |
Earlier ministerial and shadow posts
| Post | Department | From | To |
|---|---|---|---|
| Assistant Whip | Whips Office (Commons) | 10 July 2024 | 7 September 2025 |
Earlier committees
| Committee or post | From | To |
|---|---|---|
| Railways Bill | 7 January 2026 | 10 February 2026 |
| Crime and Policing Bill | 20 March 2025 | 13 May 2025 |
| Terrorism (Protection of Premises) Bill: Programming sub committee | 23 October 2024 | 31 October 2024 |
| Terrorism (Protection of Premises) Bill | 23 October 2024 | 31 October 2024 |
| Pet Abduction Bill | 24 January 2024 | 31 January 2024 |
| Holocaust Memorial Bill Select Committee | 20 November 2023 | 26 April 2024 |
| Treasury Committee | 20 November 2023 | 30 May 2024 |
| Treasury Sub-Committee on Financial Services Regulations | 20 November 2023 | 30 May 2024 |
Source: Parliament Members API, read 15 October 2026, SHA-256 5598548bf22d.
Register of interests
Entries in the register for Keir Mather, as the MP registered them: Donations and other support (including loans) for activities as an MP (1). Latest registration 5 January 2026. Each entry is quoted as published, with its registration date; payments linked to an entry are listed under it.
Unison - £2,000.00
- How the donation was received: (b) Any other support not included in Category 2(a)
- Whether the benefit was monetary or in kind: Monetary
- Description of the payment: Leaflet and direct mail for constituency campaigning
- Value of the benefit: £2,000.00
- Date on which the benefit was received: 2025-12-24
- Date on which the benefit was accepted: 2025-12-24
- Name of the donor: Unison
- Status of the donor: Trade Union
Source: Register of Members' Financial Interests API, read 28 October 2026. The register entry on UK Parliament.
Business costs (IPSA)
The Independent Parliamentary Standards Authority publishes Keir Mather's 2024-25 staffing spend as £243,010 (budget £250,820). The figure for 2023-24 was £108,863. IPSA lists office spending of £26,650 in the same year. IPSA publishes each budget, the amount spent and the amount left (the remaining amounts are in IPSA's files); no total across budgets is published, so none is given here.
| IPSA figure | 2024-25 | 2023-24 |
|---|---|---|
| Staffing: spent | £243,010.26 | £108,862.87 |
| Office costs: spent | £26,649.64 | £19,618.60 |
| Accommodation: spent | £26,340.00 | £9,545.00 |
| Winding-up: spent | £0.00 | |
| Travel and subsistence (no cap): spent | £10,391.35 | £6,308.76 |
| Other costs (no cap): spent | £0.00 | £426.00 |
Budgets set for 2024-25: office costs £33,020, staffing £250,820, accommodation £29,290 (Standard non-London area budget; Standard budget for renting a property in the London area).
IPSA's CSVs for 2024-25, 2023-24, read 15 October 2026; constituency as IPSA lists it: Selby CC.
Staff roles listed by IPSA, 2024-25
Office Manager (permanent full time), Constituency Support Manager (permanent full time), Caseworker ×2 (permanent full time), Senior Caseworker (permanent full time), Senior Researcher (permanent part time), Communications Officer (fixed term full time), Constituency Assistant (fixed term part time), Intern (fixed term part time) (IPSA CSV)
IPSA annual publications · All MPs' 2024-25 costs (table and CSV)
Votes in the Commons
Keir Mather is recorded voting in 498 divisions since 4 July 2024, according to the Commons Votes API. Of these, 48 were votes on statutory instruments or procedural motions, which are not listed below. The 30 most recent on bills and motions are listed here. On 20 October 2026 Keir Mather voted Aye on "Northern Ireland Troubles Bill: Third Reading".
Source: Commons Votes API, read 28 October 2026. Only divisions in which a vote is recorded for the MP are counted. The full list on UK Parliament.
Written questions
The Written Questions API lists no written question tabled by Keir Mather since 4 July 2024 (read 15 October 2026). Ministers do not table written questions to their own departments.
2024 general election
The House of Commons Library records a majority of 10,195 for Keir Mather in Selby in July 2024, from 22,788 votes on a turnout of 63.1%. Result as published: Lab gain from Con.
Commons Library results, read 14 October 2026 · Selby figures
Built 15 October 2026 from official records; register entries and votes are re-read on a rolling schedule. This page sets out what the record shows and gives no rating of the MP. Official UK Parliament page · All MPs · Something wrong? Tell us.