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SPECIFICTION
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CausewayOne Estimating

campaign.causeway.com

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Visit campaign.causeway.com
Spec score 7.6 #16 of 29 in Construction Estimating Software

What it is

CausewayOne Estimating is web-based software for contractors and subcontractors handling bids and tenders. Estimators can build Bills of Quantities, assign resources and trades, and reuse standard pricing or earlier estimates. CAD/BIM Measure supports takeoffs from BIM, DWG, and PDF drawings, measuring areas, lengths, volumes, and curved or pitched surfaces. Drawing comparison, snapping, and custom scaling tools support measurement work. Subcontractor bids can be compared, with missing or deviant rates flagged automatically. Subcontractors access tender packages and submit prices, while estimators share revised drawings and specifications as addendums. Central document storage includes version control and audit trails, with documents assigned to trade packages. Causeway describes the platform as multi-user, cloud-native, and available from any device with an internet connection. Single Sign-On is available. The paid product was founded in 1999 and is headquartered in Buckinghamshire, United Kingdom; pricing is on request.

Spec sheet

Purpose
CausewayOne Estimating is a cloud-native pre-construction platform for building estimates, managing tenders and collaborating with teams and suppliers.Read 8 Oct 2026 · campaign.causeway.com
Intended users
Causeway presents the product for contractors and subcontractors, including small contractors and growing businesses.Read 8 Oct 2026 · campaign.causeway.com
Integrations
The estimating page says takeoff works directly from BIM, DWG, and PDF drawings; it does not name third-party integrations.Read 8 Oct 2026 · campaign.causeway.com
Security
Causeway says Single Sign-On support is available for CausewayOne Estimating.Read 8 Oct 2026 · causeway.com
Support
Causeway offers a support portal, knowledge base, training courses, and access to its support team.Read 8 Oct 2026 · causeway.com
Headquarters
Buckinghamshire, United KingdomRead 28 Sep 2026 · campaign.causeway.com
Founded
1999Read 28 Sep 2026 · campaign.causeway.com
Access and collaboration
Causeway describes the platform as multi-user and cloud-native, accessible from anywhere on any device for team collaboration.Read 8 Oct 2026 · campaign.causeway.com
Bid comparison
Estimators can compare subcontractor bids, with missing or deviant rates flagged automatically.Read 8 Oct 2026 · campaign.causeway.com
Cloud access
Causeway describes Estimating as cloud-native and says it is accessible from anywhere with an internet connection.Read 8 Oct 2026 · causeway.com
Company security
Causeway says its Cyber Essentials Plus certification applies to products hosted in its core cloud environments, including AWS, Azure, Google Cloud Platform, and RedCentric.Read 8 Oct 2026 · causeway.com
Document controls
The platform offers central document storage with version control and audit trails.Read 8 Oct 2026 · campaign.causeway.com
Document management
The platform provides centralised document storage with version control and audit trails, and lets estimators allocate drawings and documents to trade packages.Read 8 Oct 2026 · campaign.causeway.com
Downloads
Causeway says customers registered with license manager can download current versions of its software, including Causeway Estimating.Read 8 Oct 2026 · causeway.com
Estimate building
Users can group labour, plant and material into reusable activity resources and drag resources from a library into a rate build-up.Read 8 Oct 2026 · campaign.causeway.com
Intended customers
Causeway describes the platform as suitable for small contractors and growing businesses, and says more than 400 leading UK contractors rely on it.Read 8 Oct 2026 · campaign.causeway.com
On-screen takeoff
The software measures areas, lengths, volumes, and curved or pitched surfaces from BIM, DWG, and PDF drawings, with drawing comparison, snapping, and custom scaling tools.Read 8 Oct 2026 · campaign.causeway.com
Pricing
The product page invites prospective customers to book a demonstration and does not state a price.Read 8 Oct 2026 · campaign.causeway.com
Pricing availability
The product page invites prospective customers to book a demonstration or contact Causeway; it does not state a price.Read 8 Oct 2026 · campaign.causeway.com
Supplier collaboration
Subcontractors can access and price tender packages through the platform.Read 8 Oct 2026 · campaign.causeway.com
Supplier tendering
Subcontractors can access and price tender packages through the platform, and estimators can share revised drawings and specifications as addendums.Read 8 Oct 2026 · campaign.causeway.com
Supported drawing formats
On-screen takeoff measures areas, lengths, volumes, and curved or pitched surfaces from BIM, DWG, and PDF drawings.Read 8 Oct 2026 · campaign.causeway.com
Takeoff
The product includes CAD/BIM Measure for takeoffs and measurements, and supports measurement from BIM, DWG and PDF drawings.Read 8 Oct 2026 · campaign.causeway.com

Strong points and limits

Strong points

  • Takeoffs from BIM, DWG, and PDF drawings
  • Automatic flags for missing or deviant bid rates
  • Central versioned document storage
  • Multi-user access across devices
  • Single Sign-On support

Limits

  • Pricing is available only on request
  • No named third-party integrations
  • Requires an internet connection for cloud access

Who it suits

It suits contractors, subcontractors, estimating teams, small contractors, and growing businesses managing tender preparation and takeoffs. Teams needing shared cloud access and supplier collaboration are also addressed.

Verdict

CausewayOne Estimating covers estimate building, drawing takeoff, bid comparison, supplier tendering, and document control in one cloud service. Its strongest fit is construction teams coordinating measurements and bids across multiple users.

Where Specifiction places it

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