Chief Secretary to the Treasury
Responsibilities
The Chief Secretary to the Treasury (CST) is responsible for public expenditure including spending reviews and strategic planning; in-year spending controls; and driving efficiency and value for money. Â
Specific areas of focus in relation to public expenditure includes:Â
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Treasury’s interest in public service reform and delivery Â
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Public sector payÂ
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Annual Managed Expenditure including welfare spendingÂ
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Childcare, including tax free childcareÂ
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Infrastructure spendingÂ
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Digital and technology spendingÂ
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Treasury interest in devolution to Scotland, Wales and Northern IrelandÂ
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Public Works Loan BoardÂ
The CST also has responsibility for capital investment, driving private sector investment in infrastructure and value for money on large national infrastructure projects. This includes being the Treasury lead on housing and infrastructure reform, working closely with XST on planning reform. The CST is the responsible minister for the National Infrastructure and Service Transformation Authority.Â
The CST is the Chancellor’s primary deputy and will represent him in key domestic and international meetings where appropriate.
Current role holder
The Rt Hon Emma Reynolds MP
Emma Reynolds MP was appointed Chief Secretary to the Treasury on 20 July 2026.
She was Secretary of State for Environment, Food and Rural Affairs from 5 September 2025 to 20 July 2026.
She was previously:
- Economic Secretary to the Treasury from 14 January 2025 to 5 September 2025
- Parliamentary Secretary at HM Treasury and the Department of Work and Pensions from 9 July 2024 to 14 January 2025
She was elected as the MP for Wycombe in July 2024.
Previous holders of this role
The Rt Hon Lucy Rigby KC MP
2026 to 2026
The Rt Hon James Murray MP
2025 to 2026
The Rt Hon Darren Jones MP
2024 to 2025
The Rt Hon Laura Trott MBE MP
2023 to 2024
The Rt Hon John Glen MP
2022 to 2023
The Rt Hon Edward Argar MP
2022 to 2022
The Rt Hon Chris Philp MP
2022 to 2022
The Rt Hon Simon Clarke
2021 to 2022
The Rt Hon Steve Barclay MP
2020 to 2021
The Rt Hon Rishi Sunak MP
2019 to 2020
The Rt Hon Elizabeth Truss
2017 to 2019
The Rt Hon David Gauke
2016 to 2017
The Rt Hon Greg Hands
2015 to 2016
The Rt Hon Danny Alexander
2010 to 2015
The Rt Hon David Laws
2010 to 2010