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From Single Source Regulations Office (SSRO)
  • News and events

    This page details the SSRO's latest events

    • From: Single Source Regulations Office
    • Updated:
  • Reporting guidance and DefCARS

    The Defence Contract Analysis and Reporting System (DefCARS) allows contractors to meet the reporting requirements for contract and supplier reports.

    • From: Single Source Regulations Office
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  • Guidance on the baseline profit rate and its adjustment (version 8.2)

    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…

    • From: Single Source Regulations Office
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  • Allowable costs guidance (version 7.2)

    Statutory guidance to which the Ministry of Defence and its contractors must have regard when determining whether costs are allowable in qualifying defence contracts.

    • From: Single Source Regulations Office
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  • 2025 contract profit rate assessment

    2025/26 baseline profit rate, capital servicing rates and government owned contractor rate

    • From: Single Source Regulations Office
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  • Allowable costs guidance (version 7)

    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.

    • From: Single Source Regulations Office
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  • Allowable costs guidance (version 7.1)

    Statutory guidance to which the Ministry of Defence and its contractors must have regard when determining whether costs are allowable in qualifying defence contracts.

    • From: Single Source Regulations Office
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  • Guidance on how the single source regulatory framework applies to qualifying sub-contracts

    The guidance identifies and summarises the provisions of the regulatory framework for single source defence contracts which relate to qualifying sub-contracts.

    • From: Single Source Regulations Office
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  • Guidance on the baseline profit rate and its adjustment (version 8)

    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…

    • From: Single Source Regulations Office
    • Updated:
  • Guidance on the application of the final price adjustment (FPA)

    Guidance on the final price adjustment, when it should be used and the methodology for calculating the adjustment.

    • From: Single Source Regulations Office
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  • I would like to find out about the SSRO and the regulatory framework

    Where to find information about the regulatory framework and the role of the SSRO

    • From: Single Source Regulations Office
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  • Guidance on inflation

    The SSRO has published new guidance on the topic of inflation relating to allowable costs, profit, and reporting.

    • From: Single Source Regulations Office
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  • Guidance on the alternative pricing of contracts (version 1)

    Guidance on alternative pricing methods which may be applied to single source defence contracts

    • From: Single Source Regulations Office
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  • Guidance on the alternative pricing of contracts (version 1.2)

    Guidance on alternative pricing methods which may be applied to single source defence contracts.

    • From: Single Source Regulations Office
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  • SSRO Support

    Details of how the SSRO supports the MOD and defence contractors.

    • From: Single Source Regulations Office
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  • Allowable Costs guidance (version 5)

    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.

    • From: Single Source Regulations Office
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  • Allowable Costs guidance (version 6)

    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.

    • From: Single Source Regulations Office
    • Updated:
  • Guidance on the baseline profit rate and its adjustment (version 7.2)

    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…

    • From: Single Source Regulations Office
    • Updated:
  • I want to agree the price of a qualifying contract and understand allowable costs and profit rates

    Information on pricing of contracts

    • From: Single Source Regulations Office
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  • 13. User guide for qualifying business unit estimated cost analysis report

    This user guide, template and glossary are discontinued since the launch of the new DefCARS on 15 March and are therefore for reference purposes only.

    • From: Single Source Regulations Office
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