We use some essential cookies to make this website work.
We’d like to set additional cookies to understand how you use GOV.UK, remember your settings and improve government services.
We also use cookies set by other sites to help us deliver content from their services.
You have accepted additional cookies. You can change your cookie settings at any time.
You have rejected additional cookies. You can change your cookie settings at any time.
Departments, agencies and public bodies
News stories, speeches, letters and notices
Detailed guidance, regulations and rules
Reports, analysis and official statistics
Consultations and strategy
Data, Freedom of Information releases and corporate reports
Register to vote Register by 18 June to vote in the General Election on 4 July.
The home of Single Source Regulations Office on GOV.UK. The Single Source Regulations Office (SSRO) is an executive non-departmental public body, sponsored by the Ministry of Defence (MOD).
The allowable costs guidance is statutory guidance to which the Ministry of Defence and its contractors must have regard when determining whether costs are allowable in qualifying defence contracts.
The Defence Contract Analysis and Reporting System (DefCARS) allows contractors to meet the reporting requirements for contract and supplier reports.
The SSRO’s guidance on adjustments to the baseline profit rate is statutory guidance to which the Ministry of Defence and its contractors must have regard when determining the contract profit rate for qualifying defence cont…
This collection brings together the baseline and contract profit rate documents published from January 2015.
This collection groups together all the documents relating to the Single Source Cost Standards: Statutory Guidance on Allowable Costs
Guidance on alternative pricing methods which may be applied to single source defence contracts
This document provides an overview of the SSRO’s guidance on the regulatory framework for single source defence contracts.
Members' Register of Interests (Does not include Membership of Professional Bodies)
The Secretary of State for Defence has announced his determination of the baseline profit rate and capital servicing rates
This consultation explains the updates we intend to make to our reporting guidance and to the Defence Contract Analysis and Reporting System (DefCARS). The guidance comes into force on 1 April 2024. We welcome your views.
2024/25 baseline profit rate and capital servicing rates
The Single Source Regulations Office (SSRO) is an executive non-departmental public body, sponsored by the Ministry of Defence (MOD).
Sets out the responsibilities and procedures that the SSRO uses to ensure it governs the organisation to a high standard.
The SSRO has released new and updated pricing guidance, which sees greater choice, flexibility and simplicity for how some non-competitive defence contracts can be priced from April 2024.
New Chief Executive appointed by Single Source Regulations Office Board
This page groups together the SSRO's consultations.
This DPS principles guidance for effectively preparing, understanding and presenting a DPS is discontinued since the publication of Version 2 of the DefCARS Reporting Guidance and System User Guide. The guidance and DPS temp…
SSRO Freedom of Information (FOI) responses released during 2024
Don’t include personal or financial information like your National Insurance number or credit card details.
To help us improve GOV.UK, we’d like to know more about your visit today. Please fill in this survey (opens in a new tab).