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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 SSRO has agreed to discontinue its investigation of a referral for a determination
The Defence Contract Analysis and Reporting System (DefCARS) allows contractors to meet the reporting requirements for contract and supplier reports.
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 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 groups together all the documents relating to the Single Source Cost Standards: Statutory Guidance on Allowable Costs
This collection brings together the baseline and contract profit rate documents published from January 2015.
The Secretary of State for Defence has announced his determination of the baseline profit rate and capital servicing rates
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.
Quarterly publication of queries received by the SSRO and the responses.
Members' Register of Interests (Does not include Membership of Professional Bodies)
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 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.
The Single Source Regulations Office (SSRO) is an executive non-departmental public body, sponsored by the Ministry of Defence (MOD).
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
We are seeking views on updated and new pricing guidance, which sees greater choice, flexibility and simplicity for how some non-competitive defence contracts can be priced from April 2024.
This page details the SSRO's latest events
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