Insights & guides
for UK contractors and trades.
Practical, no-nonsense writing from the DuoApp team on compliance, CIS, inspections, software pricing and what actually works on site — plus a real customer result. For contractors, subcontractors and trade businesses who'd rather spend less time on paperwork.
Introducing Compliance & Certificates
Certificates and H&S documents on every project, block and plot - signed by qualified people, locked into a branded PDF and ready to hand over.
Introducing Ask Duo AI
Ask your business a question in plain English and get a short answer, with the figures behind it straight from DuoApp's own reports.
New-build handover certificates: the checklist
EIC, Part P, Gas Safe, Benchmark, G3, Part F, air tightness, BREL and the EPC - what each one is, who issues it, and how to keep the pack together.
40 questions to ask Duo AI about your business
Monday-morning questions, money, projects, people, quality and pricing - plus tips for good answers and what it won't answer.
Scaffold inspection requirements in the UK
When scaffolds must be inspected, who can do it, what the report must record and how long to keep it - plus an inspection-day checklist.
Awaab's Law: what repairs contractors need to know
The timescales, the phases, and the evidence social landlords will ask their repairs and maintenance contractors for.
How often should a fire alarm be serviced?
BS 5839-1 servicing, weekly tests, BS 5266 emergency lighting checks, logbooks and certificates - explained for UK installers.
Asbestos removal compliance: records, medicals and face-fits
ASB5 notification, medical surveillance, face-fit testing, plans of work and clearance - the records an asbestos contractor has to keep.
Cleaning company compliance checklist
COSHH, DBS checks, right to work, insurance, lone working and proving every clean was done - in plain English.
Moving your trade business off paper and WhatsApp
The real cost of job sheets and group chats, a 30-day switch plan, and how to bring reluctant staff with you.
Introducing Estimator & House Types
Price a whole housing development, send a professional estimate, turn the job into a project in one click, and track estimate vs actual.
How a UK contractor saves £4,000+ a week with DuoApp
An anonymised look at where one Kent-based M&E contractor recovered over £4,000 every week.
Why UK contractors are leaving spreadsheets behind
The hidden cost of running a contracting business on spreadsheets — and what one connected platform replaces.
CIS-ready invoicing: a practical guide for UK contractors
Verification, deduction rates, labour vs materials, statements and retention — explained in plain terms.
Flat-rate vs enterprise construction software: the real cost
Where enterprise total cost of ownership really comes from, and how flat-rate pricing compares for SMB contractors.
Software that respects how site teams actually work
Why field-friendly, offline-first design is what really drives adoption on site.
Less paperwork, start to finish.
Book a quick walkthrough, or see the flat £10 per user pricing — every feature included, no tiers.