Market-leading Cloud Construction Software
Built for specialist subcontractors.
Win more work. Cut the chaos.
Make more margin.
Software designed for specialist contractors
Takeoff
Import drawings, take off quantities, and keep everything connected. No spreadsheets, no duplication — just clear, professional takeoffs that are easy to use and ready to price from.
Estimating
Build consistent estimates using shared templates and live rates. Create professional tenders, generate bills in clicks, and protect your margin from day one.
Cost Management
Move from estimating to execution without losing control. Track procurement, labour, plant, valuations, variations and cost-to-complete in real time. One connected system, 360° visibility, zero surprises.
Full System
Chalkstring is the only solution that connects estimating and cost management in one truly integrated system — giving you total visibility from estimating to final account.
"PWB has grown significantly and Chalkstring has without doubt, supported this."
Paul Bagley
PWB Drylining Ltd
"We can easily price different options and schemes, make changes and see the financial impact in seconds."
Rory Smith
Smiths Drylining Ltd
"Chalkstring's increased our speed and efficiency. We have only 2 estimators to price/win projects worth £18m pa."
Dan Elwell
Rapidfix Ltd
Cloud-based Takeoff Software
Simple, intuitive Takeoff
- Measure from drawings quickly and efficiently
- Use a precise and accurate measuring tool
- Mark up drawings with sketches & comments
Cloud-based Pre-Construction Estimating Software
Creating winning, tenders, fast.
- Import bills, take-off quantities & use templates
- Access a personalised database of supplier rates
- Create professional tenders, material/labour bills & budgets
See Chalkstring for yourself
Let’s have a quick chat - no pressure, no pitch.
We’ll ask a few questions to see if we can help.
Cloud-based Cost Management Software for Construction
Have a 360° view of all live project commercials.
- Manage procurement, variations, valuations, plant and more
- Track cost, revenue and margin in real time — no surprises
- Stay in control with a single, connected view of the live job
No-one else connects estimating and cost management like Chalkstring
- Integrated estimating & cost management software from estimating to final account
- One system for your entire business, accessible from anywhere
- Centralise data, standardise processes and analyse project performance
Built for specialist contractors
Chalkstring was built by people who know what it's like to run specialist contracting businesses. Every feature reflects the real challenges you face — from pricing work to tracking profit.
Whether you're in interiors, facades or beyond, we’ve designed an estimating and cost management system with the specialist trades in mind.
And we support businesses of all sizes, from owner/operator to multi-million pound specialist contractors.
Support from people who 'get it'
When you call, we answer. No ticket queues, no bots — just real help from real people.
Our support team also includes experienced Quantity Surveyors, so you’ll speak to someone who understands Chalkstring, your world and speaks your language.
Whether it’s a quick how-to or a detailed walkthrough, we’re here to make sure you get the most out of Chalkstring — every step of the way.
With Chalkstring you will:
Centralise
Use an integrated system for your entire business. Your team will benefit from centralised, real-time information.
Standardise
Work efficiently. Use consistent working methods and standardised documentation business-wide.
Analyse
Use real-time insights, based on data that you trust, to make informed business and project decisions.
How Chalkstring helps specialist subcontractors
Use one platform for all projects
Apply defined & consistent processes
Standardise documentation
Automate repetitive tasks
Eradicate data duplication
Adopt a project management framework
Comply with ISO & quality procedures
Work from anywhere, using the cloud
View project data in real-time
Identify early warnings & take action
Control & analyse spend better
Eliminate over-ordering & over-paying
Accurately predict cost-to-complete
Make data-driven, informed decisions
Scale & grow your business