Outsource Your Construction Estimating
Delivered Fast & Accurate
Reduce Internal Costs and Win More Tenders Today
Our Core Services
We offer four core services tailored specifically for contractors, designed to keep things clear, simple, and efficient. Once we receive your project information, we’ll arrange a meeting to talk through the scope of works in detail, so we fully understand your requirements and priorities.
From there, we prepare clear, professional documentation and have it ready within 7 days. We’ll then walk you through everything on a video call, making sure it all makes sense and you feel confident in the next steps.
Throughout the process, we’re always on hand to answer questions, offer guidance, and make sure you feel supported from start to finish.

Estimating & Tender Support
Structured estimating to improve win rates without exposing margin.
This Includes:
- Full pricing & BOQs
- Cost analysis
- Risk identification
- Margin strategy
- Tender submissions & clarifications
Fees: £500 – £2,000

Contract Review (JCT & NEC)
Clear, practical advice before you sign.
We review:
- Risk clauses
- Payment terms
- Liability & damages
- Programme obligations
- A clear summary to support negotiation
Fees: £599 – £3,750 per tender

Project Based QS Support
Short-term support for individual projects.
Ideal for:
- Procurement schedule
- Valuations / applications for payments
- Variation process
- Final accounts
Fees: £2,000 – £7,500 per project

Commercial Systems & Profit Control
Short-term support for individual projects.
Ideal for:
- Procurement schedule
- Valuations / applications for payments
- Variation process
- Final accounts
Fees: £500 – £2,000
Posted on Daniel TobinTrustindex verifies that the original source of the review is Google. Never heard of a QS before, but Costable made our builder’s quote make sense. I wouldn’t start any future work without them now.Posted on Leah BraunTrustindex verifies that the original source of the review is Google. Very professional and worthwhile service, would highly recommend using.Posted on Peter MurphyTrustindex verifies that the original source of the review is Google. I would highly recommend, saved me time and money.Posted on Ross O'DonovanTrustindex verifies that the original source of the review is Google. Great service. Thank you!Posted on padraig crowleyTrustindex verifies that the original source of the review is Google. Brilliant service. Quick turnaround, honest feedback, and now I feel confident choosing the right builder. Highly recommend if you’re doing any kind of home project.Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
Contact Us
Send Your Tender or Drawings for Review
What Happens Next
We review the information you send and confirm the scope.
You receive a clear fee proposal based on your project size and requirements.
Once the fee is approved and payment is made, we begin the full cost breakdown.
You receive a detailed, tender‑ready costing with risks, omissions, and margin exposures highlighted.
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