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// DuoApp vs Causeway · UK

DuoApp vs Causeway - suite scale, or one system that ships?

Causeway is an enterprise suite spanning estimating, supply-chain and commercial management, and it is well embedded with large UK contractors and the highways and infrastructure sector. It is a lot of platform to buy if what you need is one connected system for running projects. DuoApp covers projects, CIS invoicing, approvals, QA, documents and timesheets on one flat £10 per user, per month.

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£10
Per user, per month - flat. Every feature included, no tiers.
Days
Typical time to go live - not the weeks or months enterprise platforms need.
CIS
UK subcontractor workflows - deductions, retention & applications built in.
100%
UK-built, UK-hosted and UK-supported by real humans.
Side-by-side table Strengths & trade-offs Switching FAQs
// Side by side

DuoApp vs Causeway, feature by feature.

Every row below reflects publicly available information about Causeway at the time of writing, or the absence of it. Where a vendor does not publish list pricing we say so rather than guess.

  DuoAppUK · All-in-one CausewayUK · Enterprise suite
Published list price£10 / user / monthflat, every featureNot publishedquote on request
Pricing modelPer user, flatno tiers or add-onsModular / enterprise
Typical time to go liveDaysself-serve or guidedMonthsimplementation-led
Setup / implementation feeNoneCommonly applies
UK CIS deductionsUK-native
Retention handling
Applications & auto-invoicing
Mobile app for site teamsiOS, Android, webProduct-dependent
Works offline on sitesyncs on reconnectProduct-dependent
Quality control & snaggingProduct-dependent
Document expiry alertsProduct-dependent
Timesheets & holiday plannerincludedSeparate product
Free trial14 daysfull platformdemo-led
UK-based supportKent-based teamUK vendor

Comparison compiled from each vendor's public website and documentation. Vendors change their products and pricing - if you spot something out of date, tell us and we will correct it. Causeway is a trademark of its respective owner; DuoApp is not affiliated with it.

// The honest version

Where each one is stronger.

No tool wins every category. Here is where Causeway is the better answer, and where DuoApp is.

DuoApp vs Causeway

UK · Enterprise suite

Where Causeway is strong

  • Very strong estimating and bid management for large tendering teams
  • Mature supply-chain and subcontractor payment tooling used widely across UK infrastructure
  • Deep fit for highways, civils and large-scale programme delivery
  • Enterprise-grade reporting across multi-company group structures

Where DuoApp wins

  • One product to learn instead of a suite of separately licensed applications
  • Published £10 per user pricing rather than an enterprise quote
  • Live in days - no implementation programme or consultancy days
  • Genuinely mobile-first, including offline QA and snagging
  • Practical for firms without a dedicated systems team
Bottom line: Causeway makes sense when you are tendering at scale and need estimating and supply-chain depth to match. DuoApp makes sense when the job is simply to run projects properly - and you would rather be live this month than mid-implementation.
// Making the move

What switching actually involves.

Contractors comparing the two are usually weighing suite breadth against time-to-value. If only a fraction of the suite would ever be switched on, the calculation changes quickly.

Start where the pain is

Most teams begin with projects, applications and CIS invoicing, then bring QA, document compliance and timesheets in over the following weeks. Nothing needs licensing separately as you expand.

No consultancy dependency

Configuration is done in the app by your own team. Changing an approval route or a retention rule is a settings change, not a change request.

Predictable cost as you grow

Adding people costs £10 each. There is no renegotiation when turnover or project count increases.

// DuoApp vs Causeway

Questions buyers ask us.

Is DuoApp an alternative to Causeway?
For project delivery, commercial workflows and site operations, yes. Causeway additionally covers enterprise estimating and supply-chain management at a scale DuoApp does not target - if competitive tendering at high volume is your core need, that is a genuine difference worth weighing.
Does DuoApp do estimating?
DuoApp handles priced works, specific works and sub works - so you can build up and bill a contract accurately - but it is not a dedicated estimating and tendering suite. Firms that need heavyweight bid management usually keep a specialist tool for that and use DuoApp to deliver the work they win. See how priced works are handled →
What does Causeway cost?
Causeway does not publish list pricing; it is quoted per product and per organisation as an enterprise sale. DuoApp publishes £10 per user, per month, flat, with every feature included.
We are a mid-sized contractor. Which fits better?
Mid-sized firms are usually the clearest case for DuoApp. Enterprise suites are priced and scoped for organisations with systems teams to run them; a 20-to-200 person contractor typically gets more value from one connected platform that is live in days and costs a predictable amount per head.
Can we trial DuoApp before committing?
Yes - 14 days on the full platform, every feature, no sales process required. You can also book a 30-minute demo using your own contract values and CIS setup rather than a generic dataset. Book a demo →
// Still shortlisting

Compare DuoApp with something else.

Evaluating more than one platform? Start with the full comparison table, or jump straight to another head-to-head.

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