21 guides · independent & ad-free
Guides
Everything we've published on UK construction accreditation — CHAS, SafeContractor, Constructionline and SSIP — grouped by topic. Every guide shows when it was last reviewed, with the sources we checked.
Compare · 11 guides
Compare · Start here
UK Construction Accreditation Schemes Compared
UK construction accreditation schemes compared: CHAS vs SafeContractor vs Constructionline. What each costs, what it covers, which one you need.
10 min read · 30 June 2026
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CHAS Accreditation Cost: Real Fees, Renewal Prices & Hidden Extras
What CHAS accreditation actually costs a small subcontractor — joining fee, VAT, renewals, upgrades and resubmission fees — with a worked example and no upsell.
12 min read · 4 July 2026
How Much Does CHAS Cost? (2026 Pricing)
CHAS membership runs from £429/yr +VAT (Standard) to £909 (Elite), priced by headcount. What each package includes and which one you actually need.
4 min read · 29 June 2026
CHAS Accreditation Explained: A Subcontractor's Plain-English Guide
CHAS accreditation explained for UK subcontractors: the three CHAS tiers, what each actually covers, who needs which, and how it fits SSIP and the CAS.
10 min read · 25 June 2026
Constructionline Gold vs Silver vs Bronze: Which Do You Need?
Bronze, Silver, Gold or Platinum? What each Constructionline tier verifies, what's bundled, and how to pick the one your tender needs.
6 min read · 17 June 2026
Constructionline Cost for Subcontractors: Real 2026 Fees by Tier and Turnover
What Constructionline actually costs subcontractors in 2026: how Bronze, Silver and Gold fees work, the joining fee catch, and what the bundled SSIP saves you.
13 min read · 16 June 2026
Do I Need More Than One Accreditation Scheme? A Subcontractor's Decision Guide
Do I need more than one accreditation scheme? SSIP mutual recognition covers H&S — but Constructionline Gold, CAS and client PQQs often don't. A clear decision guide.
14 min read · 14 June 2026
What Is SafeContractor? The Scheme Explained
SafeContractor is Alcumus's SSIP-approved health & safety scheme. What it checks, how it differs from CHAS, who asks for it, and what it costs.
5 min read · 14 June 2026
What Is SMAS Worksafe? (And SMAS vs CHAS)
SMAS Worksafe is an SSIP-approved scheme from around £345. What it covers, how it compares to CHAS, and how it offers the Common Assessment Standard.
4 min read · 13 June 2026
CHAS vs SafeContractor vs Constructionline: Which Should You Get?
All three are SSIP-approved — so what's the difference? A plain-English comparison of cost, what's bundled, and which one your clients accept.
5 min read · 9 June 2026
How Much Does SafeContractor Cost? (2026 Pricing)
SafeContractor starts from £419/yr for a micro business, priced by headcount plus a one-off joining fee. What each plan includes and what drives the price.
4 min read · 5 June 2026
SSIP · 6 guides
SSIP · Start here
SSIP Accreditation Explained: What It Is, What It Costs, and What It Doesn't Cover
SSIP is the umbrella body for UK health and safety pre-qualification schemes. Here's what it actually is, who needs it, what it costs and where it stops.
13 min read · 17 June 2026
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SSIP Mutual Recognition (Deem to Satisfy) Explained
How Deem to Satisfy lets one SSIP certificate be accepted across schemes — how to use it, what it saves, and the limits that still cost you time.
6 min read · 2 July 2026
What SSIP Mutual Recognition Does NOT Cover (Honest Guide)
Got SSIP and still being asked for more paperwork? Here's exactly what mutual recognition (Deem to Satisfy) does not cover — and what to do about it.
11 min read · 24 June 2026
Acclaim SSIP Is Now Once For All Health & Safety: What Changed
Acclaim SSIP rebranded to Once For All Health & Safety SSIP on 28/04/2025. What it means for your certificate, mutual recognition and cost — neutral guide.
10 min read · 17 June 2026
Cheapest SSIP Scheme in 2026: An Honest Price Comparison
The real cost of the main SSIP member schemes side-by-side — what's included, what isn't, and when the cheapest scheme today becomes the most expensive over three years.
12 min read · 13 June 2026
The Common Assessment Standard Question Set, Explained
What the Common Assessment Standard covers, the desktop vs site-based levels, who can certify it, and how it differs from SSIP and the withdrawn PAS 91.
5 min read · 5 June 2026
Documents · 4 guides
Documents · Start here
Contractor Compliance Documents: The Complete Checklist
The evidence every UK subcontractor needs for an accreditation assessment — H&S policy, insurance, RAMS, training and more. Gather once, reuse everywhere.
5 min read · 15 June 2026
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CHAS Documents Checklist: What You Need to Upload
The 8 documents CHAS reviews in every assessment. Gather them before you start and pass first time — reuse the same pack across SSIP schemes.
4 min read · 3 July 2026
Accreditation Renewal & Expiry: Don't Let Your Certificate Lapse
CHAS, SafeContractor, SMAS and SSIP certificates all run 12 months. What happens when one lapses, how far ahead to renew, and the Deem to Satisfy catch.
6 min read · 22 June 2026
Common Assessment Standard: what it is and when you actually need it
Plain-English guide to the Common Assessment Standard (CAS) — what it covers, who needs it, how it differs from SSIP, and what it costs to get certified.
10 min read · 18 June 2026