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The home of Single Source Regulations Office on ÒÁÈËÖ±²¥. 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.
The annual statistics bulletin is part of a regular published series of statistical reports, containing analysis of key QDC/QSC information.
This annual bulletin presents key statistics relating to contracts that…
SSRO guidance on price, profit and costs
This document provides an overview of the SSRO’s guidance on the regulatory framework for single source defence contracts.
This collection brings together the baseline and contract profit rate documents published from January 2015.
Statutory guidance to which the Ministry of Defence and its contractors must have regard when determining whether costs are allowable in qualifying defence contracts.
2025/26 baseline profit rate, capital servicing rates and government owned contractor rate
This collection groups together all the documents relating to the Single Source Cost Standards: Statutory Guidance on Allowable Costs
The SSRO has released its latest quarterly publication on key statistics relating to qualifying defence contracts (QDCs) and qualifying sub-contracts (QSCs).
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