Faster estimating. Fewer errors.
More wins.
CausewayOne Estimating is a cloud-native platform built by estimators to boost accuracy, collaboration and confidence in every bid.
Streamline and standardise estimating
Eliminate manual tasks to improve accuracy and increase win rate.
Collaborate in real-time with your team and suppliers
Relied on by over 400 leading UK contractors









Is CausewayOne Estimating right for your business?
Whether you're a small contractor or growing business, the pre-construction platform simplifies the way you build estimates, manage tenders and collaborate with your team. No more manual data entry. No more version mix-ups. Just a consistent, accurate way to produce BOQs and tender with confidence.

Activity resources
Save time by grouping multiple resources (labour, plant or material) into a single reusable activity resource. Reflecting how resources are typically used together on site.
Intuitive drag and drop
Drag and drop resources from your library straight into your rate build-up.
Simple, modern UI
A clean, modern user interface designed by estimators, to simplify your workflow and make every task more efficient.

Centralised document storage
Teams can securely access documents with version control and audit trails, reducing errors and miscommunication and ensuring a single source of truth across the entire organisation.
Document allocation
A simple matrix system allows estimators to allocate documents and drawings to trade packages to ensure the correct documents are sent out to subcontractors.

Addendums
Share revised drawings and specifications with subcontractors, highlighting any changes, to eliminate discrepancies and reduce risk.
Streamline subcontractor pricing
Subcontractors can access and price tender packages through the platform. Reducing administrative workload for both suppliers and estimators and improving response rates.

Comparisons
Evaluate subcontractor bids using advanced comparison tools, enabling you to make well-informed decisions that maximise value.
Plugging rates
Plugged rates are highlighted and ranked on the comparisons screen. Missing or deviant rates can be flagged automatically ensuring nothing is missed.
Rate selection
Quickly select and update rates from the comparison. Principle prices are retained, allowing adjustments to be undone at any time providing greater flexibility and accuracy.

Precise cost breakdown
Drill into labour plant or material to view individual resources, understand the rate build-up or make adjustments.
Quick adjustments
Easily make adjustments across different areas of your estimate.

Accurate on-screen takeoff
Measure areas, lengths, volumes and curved or pitched surfaces directly from BIM, DWG and PDF drawings
Simple measurement tools
Compare drawing versions, snap to lines and midpoints, and apply custom scaling for precise results.
Activity resources
Save time by grouping multiple resources (labour, plant or material) into a single reusable activity resource. Reflecting how resources are typically used together on site.
Intuitive drag and drop
Drag and drop resources from your library straight into your rate build-up.
Simple, modern UI
A clean, modern user interface designed by estimators, to simplify your workflow and make every task more efficient.
Centralised document storage
Teams can securely access documents with version control and audit trails, reducing errors and miscommunication and ensuring a single source of truth across the entire organisation.
Document allocation
A simple matrix system allows estimators to allocate documents and drawings to trade packages to ensure the correct documents are sent out to subcontractors.
Addendums
Share revised drawings and specifications with subcontractors, highlighting any changes, to eliminate discrepancies and reduce risk.
Streamline subcontractor pricing
Subcontractors can access and price tender packages through the platform. Reducing administrative workload for both suppliers and estimators and improving response rates.
Comparisons
Evaluate subcontractor bids using advanced comparison tools, enabling you to make well-informed decisions that maximise value.
Plugging rates
Plugged rates are highlighted and ranked on the comparisons screen. Missing or deviant rates can be flagged automatically ensuring nothing is missed.
Rate selection
Quickly select and update rates from the comparison. Principle prices are retained, allowing adjustments to be undone at any time providing greater flexibility and accuracy.
Precise cost breakdown
Drill into labour plant or material to view individual resources, understand the rate build-up or make adjustments.
Quick adjustments
Easily make adjustments across different areas of your estimate.
Accurate on-screen takeoff
Measure areas, lengths, volumes and curved or pitched surfaces directly from BIM, DWG and PDF drawings
Simple measurement tools
Compare drawing versions, snap to lines and midpoints, and apply custom scaling for precise results.
Smarter bidding starts here: 3 benefits you’ll feel immediately

Create accurate BoQs 90% faster than spreadsheets
Save Time, Bid Smarter. Automated workflows significantly reduce time spent on repetitive estimating tasks. Estimators can focus on bid strategy and pricing accuracy instead of admin.

Improve bid accuracy and reduce risk
In a market where only 1 in 5 bids are successful, accuracy is everything. Built-in intelligence, dynamic customisable libraries and audit trails ensure better-quality estimates.

One connected, cloud-native platform
Everyone works from one version of the truth. No silos, fewer errors, faster decisions.
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Key Product Features

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Why construction contractors choose CausewayOne Estimating
Enhanced productivity
Accelerate the creation of precise estimates using historical data, freeing up time for other high-value activities.
Collaboration, Anytime, Anywhere
Access from anywhere on any device, our multi-user cloud-native platform means estimators can work collaboratively to stay aligned and up to date.
Standardised estimating
Introduce a consistent approach to estimating across your organisation, ensuring that you have standard processes.
Strategic bid selection
Compare and evaluate competitive bids with ease. Choose the right suppliers to reduce risk and avoid cost overruns.
Simplified contractor management
Streamline subcontractor communications and bid comparisons, making it easier to manage and evaluate bids while building stronger partnerships with your supply chain.
Centralised record keeping
Store all project documents, drawings, and communications in one secure, accessible location to improve collaboration and governance across your organisation.


Ready to transform your estimating process?
Get in touch via the online form to discover how CausewayOne Estimating can streamline your estimating and tendering workflows, helping you to align your team, keep track of projects and win more business.
Connect your estimating process and automate workflows to create BOQs up to 80% faster vs spreadsheets.
Eliminate manual errors and utilise historical pricing data for greater bid accuracy.
Simple migration and onboarding. Switch to CausewayOne Pre-construction without missing a beat.