What SSIP mutual recognition does NOT cover

If you've got SSIP and a main contractor is still emailing you for "a bit more paperwork," you're not going mad and they're not necessarily moving the goalposts. SSIP mutual recognition — the "Deem to Satisfy" handshake between schemes — is narrower than the marketing suggests. It's a health and safety passport. It is not a universal pre-qualification passport.

This guide is the honest answer to the question nobody else seems to write down: what falls outside SSIP mutual recognition, why, and what you actually have to do about it.

What SSIP mutual recognition actually covers

SSIP is the umbrella body that approves health and safety pre-qualification schemes — CHAS, SafeContractor, SMAS Worksafe, Acclaim, Constructionline's Once For All Health & Safety, and the rest. The HSE's own guidance is clear that SSIP exists to stop buyers asking suppliers to repeat the same H&S assessment for multiple schemes (HSE, accreditation schemes guidance).

Deem to Satisfy (DtS) is the mechanism. If you hold a current SSIP certificate from, say, CHAS, and a client demands SMAS, you don't redo the whole assessment. You apply to SMAS for a DtS certificate, they confirm you meet the same SSIP Core Criteria, and they issue a certificate that runs to the expiry date of your original (SSIP, Deem to Satisfy). SMAS describe it as "passporting" your certification across, typically for a fraction of a full assessment fee (SMAS Worksafe).

So far, so good. That bit works. The problem is what the passport doesn't cover.

Why am I still being asked for more paperwork if I've got SSIP?

Because health and safety is one section of a modern pre-qualification questionnaire, not the whole thing. The big public PQQ that used to bundle it all — PAS 91 — was withdrawn by BSI in 2023 and replaced by the Build UK Common Assessment Standard, which the major main contractors now use as the floor.

The Common Assessment Standard (CAS) has ten sections. Health and safety is one of them. If you hold a valid SSIP certificate, Constructionline's mapping confirms it exempts you from the bulk of the H&S question block — but the other nine sections (finance, insurance, identity, environmental, quality, equal opportunities, modern slavery, anti-bribery, corporate social responsibility, and building safety) you still answer in full.

That is the structural reason your inbox keeps pinging. Your SSIP didn't fail. It just doesn't reach into those other nine areas because it was never designed to.

What sits OUTSIDE SSIP mutual recognition

Here's the honest list of what Deem to Satisfy does not move across with you. This is the work that, today, you redo by hand every time a different buyer or scheme asks.

Constructionline Gold (and the Common Assessment Standard)

Constructionline Gold is the membership tier that most main contractors now demand because it's mapped to the Common Assessment Standard. Constructionline's own checklist guide is explicit that Gold members are assessed not just for SSIP, but also for environmental management, quality management, equal opportunities, Modern Slavery Act adherence, and anti-bribery and corruption policies (Constructionline, Become a Gold Member).

None of that is in the SSIP Core Criteria. So even though SSIP H&S is now bundled across all Constructionline tiers (Constructionline, Demonstrate Compliance) and your existing SSIP can be brought in via Deemed to Satisfy, the upgrade from Bronze/Silver to Gold is paid for in evidence: another six or seven policies, audited again.

CAS Deep Dive / site audits (CAS Verified at site level)

The Common Assessment Standard has two audit levels — desktop and site. Constructionline maps these to Gold and Platinum respectively (Constructionline, Common Assessment Standard). A site audit means an auditor physically visits your premises to verify the policies you uploaded are actually implemented. There is no SSIP shortcut for that. Deem to Satisfy doesn't shortcut a site visit.

Client-specific PQQs

This is the one that grinds. Even with CHAS, Constructionline Gold AND a CAS certificate, the largest principal contractors still issue their own supplier portals — Vinci, Kier, BAM, Balfour, Wates, Mace — and each one asks the same questions in a slightly different format, with their own document upload windows and renewal dates. SSIP mutual recognition doesn't reach these portals at all.

The renewal cliff

The one limitation people don't see until year two: a Deem to Satisfy certificate only runs to the expiry date of the original SSIP certificate it's mirroring (SMAS Worksafe). So if you DtS into a second scheme with six months left on your original, you've bought yourself six months — then both renew, and you're back at the start. Multiple schemes, multiple renewal letters, multiple re-uploads of the same insurance certificate.

A worked example: Mick's electrical firm

Say you run a 12-engineer M&E firm. You hold CHAS Standard (an SSIP H&S certificate). A new commercial maintenance client — worth roughly £5k a year on recurring callouts — says: "We use Constructionline Gold for our supply chain. Get verified by next month or we go elsewhere."

Here's what mutual recognition does for you, and what it doesn't:

1. 1
   Your CHAS certificate covers the H&S section. Constructionline accepts your existing SSIP via Deemed to Satisfy. You don't redo the Core Criteria. Genuine win.
2. 2
   You still answer the other nine CAS sections. Finance (full unabbreviated accounts), insurance (PL, EL, and PI if you do design work), environmental policy, quality policy, EDI policy, Modern Slavery statement, anti-bribery policy, corporate social responsibility, plus the Building Safety Act advisory questions.
3. 3
   You upload documents you've already uploaded elsewhere. Your EL insurance certificate is the same one CHAS already holds. Constructionline still wants its own copy in its own portal.
4. 4
   You diary two renewal dates, not one. CHAS annual + Constructionline annual, on different cycles. Forget either and you're off the buyer's approved list mid-contract.
5. 5
   Next year, the client's principal contractor sends their own portal. Different format, mostly the same questions. SSIP mutual recognition is silent here.

The SSIP system saved you a full H&S re-assessment — which would have cost a few hundred pounds and a couple of evenings. It did not save you the policy uploads, the financial submission, the renewal admin, or the client portal. That's the residual workload that the marketing copy quietly elides.

Why mutual recognition is scoped this narrowly

This isn't a bug. SSIP was built in 2009, in response to a UK Government report on simplifying procurement for SMEs, specifically to stop the duplication of health and safety assessments — that's what the Core Criteria measure and that's what the HSE endorsed. Broader subjects like financial standing, ethical conduct or environmental management sit outside SSIP's remit because they sit outside the HSE's remit (SSIP, About).

The Common Assessment Standard was created precisely to fill that wider gap — to be the cross-industry PQQ that PAS 91 used to be — but it operates on top of SSIP, not as a replacement for it. So you end up needing both, with the SSIP H&S piece flowing into CAS via the standing exemption, and everything else answered fresh.

What this means in practice for a small subcontractor

For a sole trader or small firm asked only for "SSIP" — typically by a smaller commercial client — mutual recognition genuinely is enough. Pick the cheapest SSIP scheme that fits, get certified, and DtS into any other SSIP brand a future client asks for.

For anyone bidding for work with a tier-one main contractor, public sector buyer, NHS trust or housing association, the realistic baseline is Constructionline Gold or a CAS-verified equivalent. At that point, SSIP mutual recognition is a useful sub-component of your compliance stack — but the work you cannot avoid is the policy library, the insurance evidence, the financial submission, and the renewal calendar across multiple schemes.

That residual workload — the same documents re-uploaded into different portals on different dates — is the part the TradeComply product is being built to track. (The product is not live yet; this site is the research and waitlist phase.)

Related guides

• SSIP mutual recognition explained — the positive case for how Deem to Satisfy works when it does work.
• Do I need more than one accreditation scheme? — the decision tree for one scheme vs many.
• Accreditation renewal deadlines — the date-tracking problem mutual recognition does not solve.
• Constructionline Gold vs Silver vs Bronze — why Gold is the tier most main contractors actually ask for.
• Common Assessment Standard explained — the wider question set that sits on top of SSIP.

Frequently Asked Questions

Does SSIP mutual recognition cover Constructionline Gold?

Partially. The health and safety section of Constructionline Gold accepts your existing SSIP via Deemed to Satisfy, and Constructionline now bundles an SSIP across all its tiers. But Gold also assesses environmental, quality, equal opportunities, Modern Slavery Act and anti-bribery policies, which fall outside the SSIP Core Criteria and outside mutual recognition.

Does Deem to Satisfy cover the Common Assessment Standard?

No. The Common Assessment Standard is a Build UK-led, ten-section PQQ. SSIP only maps to the health and safety section. The other nine sections — including finance, insurance, environmental, quality, ethics and building safety — are not covered by SSIP mutual recognition and have to be answered separately, even if you already hold SSIP.

Why does Deem to Satisfy expire at the same time as my original SSIP?

Because a DtS certificate is a recognition of an existing assessment, not a new one. As SMAS Worksafe explain, the DtS certificate runs only as long as your underlying SSIP certificate. When the original expires, both expire — and you have to complete a full assessment with whichever scheme you want as your new primary.

If I have SSIP, do I still need to fill in my client's bespoke PQQ?

Usually yes. SSIP mutual recognition is between SSIP member schemes — it doesn't bind individual main contractors who run their own supplier portals. Most large principal contractors will accept your SSIP certificate as evidence of the H&S section of their PQQ but will still ask you to complete the rest of their own question set, with their own document uploads and their own renewal cycle.

Is there any way to avoid uploading the same documents to multiple schemes?

Not today. Each scheme operates its own portal and its own renewal date, and there is no industry-wide document vault that flows uploads between them. Tracking those renewal dates and consolidating the evidence library is the specific gap TradeComply is being built to close — that future product isn't live yet, and this site is the waitlist.