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0121 726 3445
Takeoff & Estimating Software for Specialist Contractors
Chalkstring is cloud takeoff and estimating software for specialist subcontractors. Measure from drawings, build rates and produce professional tenders — all in one system. Try it free for 30 days.
- Integrated takeoff — measures flow into your bill of quantities
- Build rates using your own centralised database
- Respond to VE requests in minutes — reprice and compare options without rebuilding
- Produce branded, client-ready tenders with automated material and labour bills
- Win the job? Convert your tender to a live project in a single step
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"2 estimators pricing and winning £18m of projects per year" — Dan Elwell, Rapidfix Ltd
Takes 2 minutes · No card · We’ll help you get set up
- Full estimating + takeoff subscription (30 days)
- We’ll input a sample of your data to get you started
- 2 × 30-min sessions with a platform expert
- Branded tender templates ready to use
- Full knowledge base & training resources
What's in the estimating module
Built for how specialist contractors actually price work
Purpose-built for specialist subcontractors. Every feature reflects how your business actually prices work — not how a main contractor or a generic platform thinks it does.
Integrated takeoff & bill imports
Measure directly from drawings and have quantities flow straight into your estimate – or import from client bills.
Centralised rate database & templates
One shared library of labour, materials and prelim rates. Reusable templates mean your team builds estimates the same way every time.
Rate build-up
Build your scope from your own database. Apply project-specific terms, create clear rate build-ups, and make job-specific edits without starting from scratch.
Value engineering
Swap materials, apply supplier quotes and model alternatives in a few clicks. Respond to VE requests in minutes — without rebuilding.
Professional tender documentation
Produce branded, client-ready tenders with clear breakdowns, scope detail, prelims and terms. Be the quote that's easiest to approve.
Project handover — in one step
Win the job? Convert your tender directly into a live project in Chalkstring's Cost Management module — all pricing, scope and assumptions intact.
Your free 30 days
Set up with your own data. Price real jobs from day one.
Your free 30-day trial includes everything below — so you're pricing real jobs from day one, not figuring out the system.
Full estimating + takeoff (30 days)
Unrestricted access to takeoff, rate build-up, tendering, supplier quote comparison and tender documentation.
Worth £167+/user/month
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We’ll help you get set up
Send us a sample of your rates. We'll build out a small dataset so you can start pricing a real job straight away — without starting from a blank screen.
Don’t start from a blank canvas — included free
2 × 30-min expert sessions
Session 1: a platform walkthrough using your data.
Session 2: we work through an actual tender with you.
Guided onboarding — included
Knowledge base & training resources
Step-by-step guides and how-to videos so your whole team can get up to speed at their own pace. Support from people who speak your language.
Full access — included
Total value of your free month
£467+/user billed at £0
What customers say
Real contractors. Real results.
These are specialist subcontractors who've replaced spreadsheet chaos with Chalkstring — and can now see exactly what their jobs are worth.
"Chalkstring's increased our speed and efficiency. We have only 2 estimators to price and win projects worth £18m per year."
Dan Elwell
Rapidfix Ltd
"We can easily price different options and schemes, make changes and see the financial impact in seconds."
Rory Smith
Smiths Drylining Ltd
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Support from people who get it.
When you call, we answer. No ticket queues, no bots. Our support team includes experienced Quantity Surveyors — so you'll speak to someone who understands your world and speaks your language.
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