Do I need a developer to build a client portal and POS for my construction company?

No. No-code platforms let you build the portal pages, connect a database and add payment links without writing code. You define the fields and logic visually, then publish.

Which payment gateway should a UAE construction company use for client payments?

Tap and PayTabs are both well-established in the UAE and support AED payments via card and bank transfer. For Saudi Arabia, Moyasar and Tap are common choices among contractors.

Does a construction POS system need to comply with ZATCA e-invoicing in Saudi Arabia?

Yes. If you issue tax invoices to VAT-registered clients in Saudi Arabia, your invoicing system must produce ZATCA-compliant invoices. Consult your accountant to confirm whether you are in Phase 1 or Phase 2 of the rollout.

How do I handle variation orders in a client portal?

Create a Variation Orders table linked to each project. When a scope change is approved, log it with the value and date. The portal shows the updated contract total and the system generates a supplementary invoice for the additional amount.

Can clients pay in instalments through a construction POS?

Yes. You can structure the payment schedule as multiple invoice stages (mobilisation, progress claims, retention release). Each stage generates its own invoice and payment link when it falls due.

How to Build a Client App and POS for Your Construction Business

A client app and POS system for a construction business does two things at once: it gives your clients a clear window into their project — budgets, milestones, approved materials — and it lets your team raise invoices, collect deposits and record payments on site or in the office. If you are running a contracting or fit-out company in Dubai, Riyadh or Cairo, managing this across WhatsApp threads and paper receipts is a liability. Here is how to build a proper system, step by step, without writing a single line of code.

Why construction businesses need a dedicated client portal and POS

Construction projects involve multiple payment stages — mobilisation deposit, progress billings, variation orders and final settlement. Each stage touches a different person: the client, the site engineer, the accounts team. Without a shared system, invoices get lost, clients chase updates by phone, and VAT records become a scramble at quarter-end.

In Saudi Arabia, contractors must comply with ZATCA e-invoicing requirements, which means every tax invoice issued to a business must be generated in a compliant format and reported to the authority. In the UAE, VAT at 5 % applies to most construction services, and your trade licence obliges you to keep proper records. A combined client portal and POS handles both: it generates the invoice, records the payment and creates the audit trail.

Map out what your system needs to do

Before you build anything, write down the four or five things your team does every week:

Client-facing portal: project timeline, approved drawings, budget summary, payment schedule.
POS / payment collection: raise a progress invoice, send a payment link, mark it as paid.
Variation orders: client approves a scope change; the system updates the contract value and triggers a new invoice line.
Receipt and document store: upload completion certificates, warranties, material delivery notes.
Notifications: WhatsApp or email alert when a milestone is reached or a payment is due.

Keep the list honest. A fit-out company with ten active projects needs different screens from a large civil contractor with fifty subcontractors. Start with the core flow: project → invoice → payment → receipt.

Build the client portal pages

Your client portal is essentially a secure, branded web app with a login. Each client sees only their project. The pages you need:

Dashboard — project name, contract value in AED or SAR, percentage complete, next payment due date.
Milestones — a simple list: Foundation Complete, Structure Complete, MEP Rough-in, Handover. Mark each one with a date and a status.
Documents — a file library where you upload drawings, BOQ revisions and inspection reports.
Payment schedule — a table showing each billing stage, the amount, the due date and the payment status (Pending / Paid / Overdue).
Variation orders — a log of approved changes with the value added to the contract.

Platforms like Stunning let you assemble these pages visually, connect them to a database and add client login — all without code. You map your data fields (project name, contract value, milestone dates) to the page elements, and the system handles the rest.

Set up the POS and invoicing flow

The POS side is where money moves. Your accounts team or site manager needs to:

Select the project and the billing stage (e.g. "Progress Claim 2 — 30 %").
Enter the amount, confirm the VAT line (5 % in the UAE, 15 % in Saudi Arabia).
Generate the invoice as a PDF or a compliant e-invoice format.
Send a payment link to the client via WhatsApp or email.
Record the payment when it arrives and update the portal automatically.

For payment collection, connect your system to a gateway your clients already trust. In the UAE and Saudi Arabia, Tap and PayTabs are widely used by contractors for bank-transfer-style online payments. In Egypt, Paymob handles card and mobile-wallet payments in EGP. If a client wants to split a large deposit across instalments, Tabby offers buy-now-pay-later for B2C situations, though most construction contracts use bank transfer for large milestones.

If you are operating in Saudi Arabia and issuing invoices to VAT-registered clients, your system must produce a ZATCA-compliant XML alongside the PDF. Check with your accountant whether you fall under Phase 1 or Phase 2 integration requirements — this determines whether you need real-time reporting to the ZATCA portal.

Connect the back-end database

Every project, client, invoice and payment needs to live in a database, not a spreadsheet. Structure it simply:

Projects table: project ID, client name, contract value, start date, status.
Milestones table: linked to project, milestone name, planned date, actual date, status.
Invoices table: linked to project, invoice number, amount, VAT amount, issue date, due date, payment status.
Payments table: linked to invoice, payment date, method (bank transfer, card, cheque), reference number.

This structure means you can pull a report at any time showing all outstanding invoices across all projects — useful for cash-flow planning and VAT filing.

Automate the routine tasks

Once your data is structured, automation saves hours each week:

Payment reminder: three days before a billing milestone is due, send the client a WhatsApp message with the invoice and payment link.
Milestone update: when you mark a milestone complete in the system, the client portal updates automatically and the next invoice is drafted.
Overdue flag: if a payment is seven days past due, flag it in the dashboard and notify the project manager.

Stunning's workflow builder lets you set these triggers without code — you define the condition (due date minus three days) and the action (send message, update status).

Go live and train your team

Roll out to one project first. Walk your site manager through raising an invoice and your accounts team through marking a payment as received. Share the client portal link with one client and ask for feedback. Fix what is confusing before you migrate all active projects.

Once live, your construction business has a single source of truth: every client sees their project clearly, every invoice is traceable, and your VAT records are clean. That is a material competitive advantage when you are pitching for the next contract in Dubai or Riyadh.

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