We use some essential cookies to make this website work.
We’d like to set additional cookies to understand how you use 51²è¹Ý, 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
The home of Single Source Regulations Office on 51²è¹Ý. The Single Source Regulations Office (SSRO) is an executive non-departmental public body, sponsored by the Ministry of Defence (MOD).
The Defence Contract Analysis and Reporting System (DefCARS) allows contractors to meet the reporting requirements for contract and supplier reports.
SSRO guidance on price, profit and costs
The annual statistics bulletin is part of a regular published series of statistical reports, containing analysis of key QDC/QSC information.
This document provides an overview of the SSRO’s guidance on the regulatory framework for single source defence contracts.
This collection groups together all the documents relating to the Single Source Cost Standards: Statutory Guidance on Allowable Costs
2025/26 baseline profit rate, capital servicing rates and government owned contractor rate
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 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.
Don’t include personal or financial information like your National Insurance number or credit card details.
To help us improve 51²è¹Ý, we’d like to know more about your visit today. .