For Builders & Contractors

Accurate Building Estimates That
Help You Win More Tenders

Win profitable jobs without spending your evenings measuring drawings. We provide comprehensive, trade-by-trade estimates with your own markup and labour rates built in.

Qualified
QS Team
From £75
Fixed Price
5-Day Standard
Turnaround
White-Label
Tender Ready
Common Challenges

Problems We Solve for Builders

Time-Consuming Take-Offs

Producing accurate estimates takes hours away from managing your active sites. Let our surveyors handle the take-offs while you focus on building.

Winning More Competitive Tenders

Inaccurate pricing loses work or destroys margins. Our estimates are sharply priced yet completely comprehensive.

Volatile Material Rates

Material prices fluctuate constantly. Our surveyors use live UK regional merchant rates to keep your estimates accurate.

What We Price for Builders & Contractors

Every estimate is prepared trade-by-trade using current UK regional labour, material, and plant rates with full Excel transparency.

  • Single & Multi-Storey Extensions
  • New Build Residential Houses
  • Loft & Garage Conversions
  • Full Bills of Quantities (NRM2 / SMM7)
  • Commercial Fit-Outs & Refurbishments
  • Subcontractor Tender Packages
  • Groundworks, Foundations & Drainage
  • Structural Steel & Brickwork Take-Offs
  • MEP & Finishing Schedules
  • Preliminaries & Project Management

NEED YOUR DRAWINGS PRICED?

Send us your project drawings and we'll confirm an exact fixed price before any work begins.

✓ From £75 Fixed Price ✓ 5 Working Days Standard ✓ Qualified QS Team ✓ UK-Wide Coverage

How Our Estimating Process Works

A rigorous, multi-step surveying workflow to ensure maximum accuracy and zero omissions in your cost plan.

01

Send Your Plans

Upload your drawings, surveys, or tender specifications online.

02

Scope Review

We review project scope and confirm a transparent fixed quote.

03

Measure & Take-Off

Accurate quantity take-offs measured directly from your drawings.

04

Costing

We apply current regional labour, material, plant, and subbie rates.

05

Quality Check

Senior QS peer review to verify completeness and accuracy.

06

Deliver

Receive your detailed editable Excel workbook and clean PDF summary.

What Our Clients Say

Trusted by builders, architects, property developers, and homeowners across the UK.

★★★★★ 5.0 average rating

"Bidders Support spotted errors in our pricing that would have cost us thousands on a £420k residential scheme. Their independent check gave us the confidence to submit a competitive tender. We won the job and delivered it with a healthy margin."

— Main Contractor, London & Home Counties

Know Your Cost. Before You Build.

Send your plans. We'll review the scope and
confirm a fixed price before any work begins.