What does Backendz do?

Backendz is a custom software development and AI engineering company. We build bespoke business applications, artificial intelligence systems, integrations and data platforms, and we support them in production after launch.

How much does bespoke software development cost?

Most focused operational systems fall between £15,000 and £50,000. Larger multi-module platforms with integrations start around £50,000. A two-week discovery sprint, which produces a costed build plan, is a fixed fee in the low thousands. We publish this because vague pricing wastes everybody's time.

How long does it take?

A focused system typically takes six to twelve weeks from kick-off to production. Larger platforms run three to six months. We deliver in stages so working software is in your hands well before final delivery.

Who owns the code and the intellectual property?

You do. Source code, data and intellectual property transfer to you, and this is stated in the contract from the outset.

Do you build AI agents, or is it a wrapper?

We build agent and multi-agent systems with tool use, defined human approval checkpoints and full audit logging, designed so that an incorrect action is detected and recoverable rather than silent. Most of our AI work is integration with existing ERP, CRM and document systems, not replacement.

Are you a UK company?

Backendz is UK-registered and contracts under English law. Our engineering team is based in Pakistan, which is how we deliver enterprise-standard work at a competitive rate. We state this openly because it is relevant to procurement.

Can you take over software built by someone else?

Yes. We carry out code audits and architecture reviews before agreeing to inherit a system, so that both sides understand its condition before any commitment is made.

All case studies

Virtual Estimator

An estimation portal for roofing, walling and building trades

Construction / Estimating software
.NET
Blazor WebAssembly
Bootstrap
Stripe

The project

Virtual Estimator is an Australian estimating product for roofing, walling, flooring, landscaping and concrete trades. It has two sides: desktop software for teams that estimate in-house, and a service where the Virtual Estimator team does the take-off for them.

We built the web portal behind the service. Customers order an estimate and upload their plans, and the Virtual Estimator team runs every job from order to finished report in one place.

The challenge

Service jobs arrive as plans and drawings that have to be priced, assigned to a modeller, checked and paid for. Customers are in several countries, ask for different turnaround times and need different reports, from one combined PDF to split-level reports for multi-storey homes.

Tracking that in email and spreadsheets made it hard to see what was waiting, who had it and what was still unpaid.

The solution

We built an estimation portal and admin dashboard. Customers create a project, choose the project type, urgency and report type, and upload plans of up to 50 MB per file. Each order lands on a jobs board with live counts for pending, in-progress, completed, payment-pending and unpaid work.

Staff move each project through a set workflow: pending, ready for modelling, ready for QA, being QA’d and completed. Projects are assigned to a modeller and every status change is recorded.

Prices are set per project type and per currency, so a UK roof has a fixed price in pounds rather than a converted one. Payments run through Stripe, with weekly invoices for regular customers and a list of unpaid invoices. The admin also manages users, groups and permissions, API keys, report types, software downloads and the web store.

What it does

Jobs board with live counts by status and payment
Customer project form with plan uploads up to 50 MB per file
Project types for roofs, walls, block layouts and commercial buildings
Three turnaround options: 12, 24 and 48 hours
Modeller assignment and a QA stage before completion
Status history for every project
Fixed pricing per project type in six currencies
Report types from combined PDF to split-level reports
Stripe card payments, weekly invoices and unpaid invoice list
Users, groups, permissions and API keys
Software downloads and web store management

How we built it

Discovery: How service jobs move from order to finished report, and where they got stuck.
Design: A jobs board and project workflow in Virtual Estimator’s teal and copper brand.
Build: Blazor WebAssembly portal on .NET, with Stripe payments, invoicing and permissions.
Test: Each workflow run end to end on a staging site with the Virtual Estimator team.