For Principal Contractors

Trades on site, without the labour-supply headache

We supply CIS-verified, genuinely self-employed subcontractors who work under your direction and your RAMS — so you get reliable trades without taking on employment risk.

What you get

One point of contact. Full paper trail.

CIS verification

Every subcontractor is verified with HMRC before they're deployed, tracked against our internal verification register.

Insurance requirement

All subcontractors are required to hold their own liability insurance as a condition of onboarding.

Net 30 invoicing

One consolidated invoice, standard 30-day terms, no separate paperwork per worker.

Trades we cover

Sourced from an existing network of civils & RC frame trades

Availability depends on the trade and site, but this is the core range we work with.

Groundworkers Steel Fixers Shuttering Carpenters Concreters Machine Operatives Slinger / Signaller General Labourers
How it works

Getting trades on site

Tell us what you need

Trade, site location, RAMS and start date — we'll confirm availability from our existing network of experienced site trades.

We verify and brief

Subcontractors are CIS-verified and briefed on your site rules and RAMS before they arrive.

Work proceeds under your direction

Subcontractors work under your site management, using your induction and safety procedures.

One invoice, Net 30

You receive a single consolidated invoice with agreed payment terms — no chasing multiple individuals.

Tell us what you need

Request workers

Fill this in and it'll open a pre-filled email to send straight to us — trade, site, and timing is all we need to start.

Opens your email app with the details filled in, addressed to info@sitewiseconstruction.co.uk.
Common questions

Before you get in touch

Is there a minimum order?

No. We handle single placements as well as multi-trade site teams — tell us what you need and we'll confirm honestly whether we can cover it.

How do you handle CIS compliance?

Every subcontractor is CIS-verified with HMRC before deployment, and we keep verification and contract records for each placement. We're happy to share our process directly.

Are subcontractors insured?

Holding their own liability insurance is a condition of onboarding for every subcontractor we place. We'll confirm current insurance arrangements on request during onboarding.

How does invoicing work?

One consolidated invoice per client on standard Net 30 terms — no separate paperwork per worker.

Have a site that needs trades?

Tell us the trade, the site, and the timeframe — we'll come back with availability.