Map capacity evidence, partner commitments and exclusion declarations to the organisations actually supporting a UK public-sector offer.
A supplier can have a credible delivery team and still submit an incomplete UK public-sector bid if the evidence comes from the wrong organisation. A parent's financial support, a consortium member's experience and a specialist subcontractor's technical capability each perform a different role. The bid needs to show whose capacity is being used and how that capacity becomes available for the contract.
The government's conditions of participation guidance allows suppliers to rely on other organisations in specified ways. Its exclusions guidance then explains why some of those organisations require additional review. Reading the two together prevents an otherwise useful partnership from becoming a last-minute evidence problem.
A condition of participation concerns legal or financial capacity or technical ability to perform the contract. Start with its exact wording. If a buyer asks for experience operating a particular service, identify the organisation that actually performed that service and the personnel, processes or resources it will contribute to this offer.
This is more precise than listing a group of well-known partners. A distributor's commercial relationship with a manufacturer does not by itself demonstrate which party will perform the required work. Equally, a new local subsidiary should not present its parent's contract history as if the subsidiary earned it. The relevant question is whether the proposed arrangement makes that experience or capacity available in the way the buyer requires.
For procurement documents and clarification access, the relationship between the Defence Sourcing Portal and Find a Tender remains useful. The public notice identifies the competition; the detailed participation questions determine how the consortium must organise its evidence.
Consider a hypothetical three-company offer for a civilian training administration service. A small UK software business leads the bid, a European specialist supplies migration personnel, and a larger parent supports the lead bidder's financial capacity. The software business may satisfy product support requirements itself while relying on the migration specialist for a published experience condition.
The consortium should create a short responsibility schedule showing the relevant condition, the organisation supplying the evidence, the work it will perform and the proposed contractual arrangement. This schedule is useful internally even if the buyer requests the information in a different form. It prevents an impressive reference being attached to a task that the named partner will not actually undertake.
The parent's position needs separate treatment. A financial guarantee is not the same contribution as supplying migration staff. The guarantee's beneficiary, amount, duration and circumstances of use affect whether it answers the condition and whether the parent can approve it. Finance and legal teams should see the actual requested support before the bid lead promises its availability.
Section 26 excludes guarantors from its associated-person definition, while section 22 allows reliance through guarantees for participation. The role therefore matters before deciding which evidence to request.
This means a single spreadsheet column labelled associated company is too crude. The migration specialist in the example may require both capacity evidence and an exclusions review because its experience satisfies a condition. A bank providing a guarantee is treated differently for that exclusions definition. A supplier should explain the function of the relationship before deciding which declarations to collect.
Associated persons may sit beyond the first subcontracting tier. If the capability that satisfies a condition comes from a specialist retained by another subcontractor, the evidence chain must still identify that specialist. The commercial team should not stop its analysis at the organisations receiving purchase orders directly from the prime.
Connected persons are a separate category. Schedule 6, paragraph 45 identifies relevant influence or control, directors and shadow directors, parent and subsidiary undertakings, certain predecessors and equivalent positions. It expressly notes that sister companies are not connected persons merely because they share a parent, although another part of the definition may bring them within scope.
That distinction changes how a bidder requests information. An ownership chart can help identify connected persons, but it does not identify every organisation relied upon for delivery. A subcontract register identifies delivery relationships, but it does not fully answer questions about influence or control. Both records need a responsible owner and a clear reporting date.
For a business that has recently acquired a specialist team, align the bid documents with the actual corporate transaction. A reference may describe work performed before acquisition, while the current delivery entity has a different name or registration number. Explain that history accurately and provide the evidence the buyer requests; an attractive group brand should not obscure the legal entities concerned.
Section 22 requires the buyer to be satisfied about legally binding arrangements for relevant subcontracting or guarantee reliance. The arrangements need not always be directly between the bidder and a lower-tier specialist; an appropriate contractual chain can support the reliance.
Commercially, this is the point at which a friendly letter of interest can prove inadequate. If the bid depends on named migration capacity for the first six months, an arrangement that merely says the parties hope to collaborate leaves availability unresolved. The parties need to agree the scope of support, the relevant conditions and who can commit resources, taking account of the procurement's timing.
The document package should also be consistent. A technical answer promising a dedicated team, a price based on occasional consultancy and a partner letter offering only introductions describe three different delivery models. Resolve those differences before submission, when the parties can still change their offer deliberately.
Section 28 requires information about intended subcontracting and review of intended subcontractors against the debarment list. It also distinguishes those subcontractors from every supplier with which the bidder happens to have an existing commercial relationship.
Unknown subcontractors should be identified as such, with their details supplied when their identity and role are confirmed, as soon as possible and at least by final tenders. In a procedure with several rounds, an updated register therefore serves a practical purpose. It shows whether a changed delivery model has introduced another organisation whose details the buyer needs.
A replacement can also affect the substance of the offer. Official guidance provides an opportunity to replace an associated person or subcontractor in relevant exclusion circumstances, but that is not a licence to redesign the tender without regard to the competition. If the original specialist supplied the only qualifying reference, the replacement's evidence and capacity matter immediately.
Keep the final participation evidence with the agreements that support it. The delivery manager should know which promises persuaded the buyer that the team could perform: a partner's people, a parent's support or access to a particular service capability. Those promises can affect mobilisation decisions long after the sales team has moved on.
The difference between an award notice and contract details also matters when making partner commitments unconditional. Link the start of paid work to the actual contractual arrangements and authorised mobilisation instruction. A coherent bid team is one whose evidence, legal commitments and delivery responsibilities continue to describe the same organisations when performance begins. Its handover can include the partner agreement owner and the date when resource availability must be reconfirmed. That gives the service manager an actionable contact when the mobilisation timetable changes.
Participation and exclusions guidance, including the August 2026 revision, reviewed on 6 September 2026. The training-service team is hypothetical. Current sections22/26/28 and Schedule6 connected-person definition independently retrieved and read; reliance definitions condensed.
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