Security Clearance for UK Tenders: BPSS, CTC, SC and DV Explained

The four levels, in the order buyers ask for them

UK government personnel security runs as a ladder. Each level assumes the one below it has been completed, and each is tied to the sensitivity of the information or site a person will actually access — not to seniority or job title.

• BPSS (Baseline Personnel Security Standard) — not a clearance at all, but a pre-employment screening standard: identity, right to work, criminal record declaration and a three-year employment history check. It is the entry requirement for most government work and the foundation for everything above it.
• CTC (Counter Terrorist Check) — for roles with proximity to public figures, sensitive sites or crowded government estates. It tests susceptibility to terrorist influence rather than granting access to classified material.
• SC (Security Check) — allows long-term, frequent and uncontrolled access to SECRET assets, and occasional, supervised access to TOP SECRET. This is the level the overwhelming majority of government and defence contracts specify.
• DV (Developed Vetting) — the highest routine level, for sustained and uncontrolled access to TOP SECRET. It involves a detailed financial review and a face-to-face interview, and takes far longer than SC.

What SC clearance actually involves

SC is a records-based check rather than an interview-led one. UK Security Vetting (UKSV) checks identity, right to work, criminal records (including spent convictions), credit and financial history, and Security Service records. Referees and employment history are verified, and applicants complete a detailed personal history covering addresses, employment, finances and overseas connections.

There is normally a UK residency requirement — typically five years of checkable history — because the check depends on records that can be verified in the UK. Shortfalls do not automatically disqualify an applicant, but they extend the process considerably while overseas checks are attempted.

Financial vulnerability is the most common cause of delay and refusal at SC level. Significant unmanaged debt, an undischarged bankruptcy or a county court judgment will not necessarily fail an application, but each triggers further enquiry. Full disclosure is treated far more favourably than an omission discovered during the check.

How long SC clearance takes

There is no single guaranteed timescale, and published UKSV service standards move with demand. In practice, a clean SC application with complete paperwork and responsive referees commonly completes in a few weeks; applications requiring overseas checks, financial enquiries or referee chasing routinely run to several months.

DV is a different order of magnitude — the interview and financial questionnaire alone add months, and six months or more is unremarkable.

The single largest variable is under the applicant's control: incomplete or inconsistent address and employment history is the most frequent reason a case sits idle. Gaps in the timeline must be accounted for, not left blank.

• Sponsorship confirmed and the vetting portal account issued — days, once a contract or role exists
• Applicant completes the security questionnaire — the stage bidders most often underestimate; allow real time for accurate history
• UKSV checks and referee responses — the bulk of the elapsed time
• Decision and, where needed, a risk-management discussion with the sponsor

What it costs, and who pays

Individuals do not pay for national security vetting and cannot buy it. UKSV charges the sponsoring organisation per check, with published fees that differ by level — SC costs a fraction of DV, and both are recharged commercially, so on a contract the cost usually lands with the supplier rather than the department.

Check the current published UKSV charges rather than a figure quoted on a jobs board, and price them into the bid. On a contract requiring a dozen SC-cleared staff, the vetting fees are minor compared with the real cost: paying people who cannot yet be deployed on the work.

You cannot sponsor yourself — and what that means for bidders

Clearance is granted against a specific need. An individual cannot apply directly to UKSV, and a company cannot sponsor its own staff speculatively without a contractual requirement in place. This is the point most tender responses get wrong.

It creates an obvious chicken-and-egg problem: the buyer wants cleared staff, and staff cannot be cleared until the contract is won. Buyers know this. What they are assessing is whether you understand the sequence and have a credible plan for it — not whether you can conjure cleared people during the tender period.

How to answer clearance requirements in a tender

Read the ITT precisely. There is a large difference between 'staff must hold current SC clearance at contract commencement', 'staff must be SC-eligible' and 'the supplier must be able to obtain SC clearance for named roles'. The first is a hard mobilisation constraint; the last is a capability question.

Then answer with specifics rather than reassurance.

• State how many of your people currently hold live SC clearance, and at what roles — a number is evidence, 'our staff are security cleared' is not
• Explain your clearance pipeline: who is already through BPSS, who is in process, and your typical elapsed time based on previous contracts
• Set out the mobilisation plan for uncleared roles, including any escorted or supervised working arrangements permitted in the interim
• Identify the risk honestly and give the mitigation — a phased start, a cleared core team, or subcontracted cleared resource
• Never claim clearance a person does not hold. It is verifiable, and a false declaration is a contract-termination and exclusion issue, not a scoring one

Validity, transfer and 'active' clearance

SC clearance is reviewed periodically rather than held indefinitely, with shorter review cycles applied to contractors than to permanent staff, and aftercare obligations throughout — changes in financial circumstances, relationships or nationality must be reported to the sponsor.

Clearance belongs to the sponsoring organisation, not to the individual, which is why 'I have SC clearance' is imprecise. What matters commercially is whether it is live and whether it can be transferred. Where a cleared person moves to a new sponsor with an equivalent need, and the clearance has not lapsed, it can often be transferred or assumed rather than restarted — a substantial saving in time.

Once a person leaves a sponsoring organisation, the clearance begins to lapse. Recruiting someone whose clearance lapsed two years ago means starting the process again, whatever their CV says.

Facility clearance and List X

Personnel clearance is only half the requirement. Contracts involving classified material at SECRET or above frequently require the supplier's premises and IT to be accredited to hold it — historically List X, now handled under Facility Security Clearance arrangements.

This is often missed at bid stage because the ITT mentions it once, in a security schedule rather than the scored questions. Accrediting a site is slower and more expensive than clearing people, so read the security schedule before deciding to bid, not after winning.

Deciding whether to bid at all

For an SME with no cleared staff, a contract requiring a fully SC-cleared team from day one is usually not a realistic first target. A better route in is a contract requiring BPSS only, or a subcontract position under a cleared prime, which builds both a cleared cohort and the past-performance evidence that makes the next bid credible.

Treat the first cleared hires as an investment with a payback period across several contracts, and start the pipeline on the first contract that justifies sponsorship rather than waiting for the one that demands a dozen.

Frequently asked questions