Web Apps & SaaS ToolsLarge system

Customer Portal (Self-Service Account Area)

A secure login area where a business's customers view their account, invoices, documents, orders or cases, and submit requests — cutting support email volume dramatically. For service businesses whose clients constantly ask 'can you send me…'.

Typically bought by: Accounting/law/insurance firms, agencies, wholesalers, utilities, B2B service providers

Standard features

Always included in the base price. Every one is built, tested and delivered working.

Secure customer login with password reset and optional 2FA
Account dashboard with key info at a glance
Invoice and statement viewing with PDF download
Online payment of outstanding invoices
Document sharing area (business-to-customer and uploads back)
Support/request ticket submission with status tracking
Order or case history with status timelines
Profile and contact detail self-management
Staff admin panel to manage customers, content, and requests
Email notifications for new documents, invoices, and replies
Role-based staff access
Activity/audit log
Announcements or news section

Popular custom additions

Quoted per feature in the configurator — $50 simple, $150 moderate, $300 complex.

Sync with existing accounting/CRM (QuickBooks, Xero, HubSpot)
E-signature on documents inside the portal
Subscription/plan management and upgrades
Appointment booking with staff calendars
Multi-user company accounts with per-user permissions
Branded mobile PWA install
Knowledge base with searchable help articles

Tech stack

Frontend: Next.js + Tailwind CSS
Backend: Next.js API routes / Node.js
Database: PostgreSQL (Neon)
Integrations: Payment gateway (Stripe/PayPal/other), Accounting/CRM APIs (QuickBooks/Xero/HubSpot), Transactional email (Resend/SendGrid), File storage (S3-compatible)