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    BuildByJai

    For UK businesses

    Custom Website Calculators & Quote Estimators

    BuildByJai creates calculators, quote estimators and qualification tools for UK businesses. Each tool is built around what your customers need to work out and what your business needs to know before an enquiry.

    Specialising in construction, trades and service businesses.

    Get a Quote See Examples

    Three practical formats

    Choose the answer your visitors need

    01

    Custom Calculator

    Useful where customers need an answer involving quantities, prices, materials, savings, sizing or comparisons.

    Examples: Roofing · materials · paving · ROI · project cost

    02

    Quote / Estimate Tool

    Give an indicative estimate from structured customer inputs, then collect the project details your team needs.

    Examples: Roofing quote · landscaping · extension · service estimate

    03

    Lead Qualification Tool

    Ask for the information that helps your business decide whether and how to respond.

    Examples: Eligibility · budget · scope · location · timescale

    Examples

    See the formats in context

    Demonstrations and examples, not client case studies.

    Quote generator · Demo

    UK Quote Generator

    Turn job details into a structured quote.

    View example     Quote estimator · Demo

    Service Quote Estimator

    Collect service requirements and provide an indicative estimate.

    View example     Calculator · Example

    Roof Pitch Calculator

    A focused calculation for a practical construction question.

    View example

    A straightforward project

    1

    Define

    Agree what visitors need to work out and what your business needs to learn.

    2

    Build

    Create and test the tool around your real pricing, services and process.

    3

    Embed & collect

    Add it to your website and capture a structured enquiry where relevant.

    A few answers

    Frequently asked questions

    BuildByJai specialises in construction, trades and service businesses. Each tool is shaped around what your customers need to work out and what your team needs to know before an enquiry.

    Understand the starting prices

    Custom calculators start from £295. More involved tools are priced by scope.

    View Pricing

    Tell us what your visitors need to work out

    We'll recommend the simplest useful tool for your business.

    Get a Quote