Custom business applications, built around your workflow.
When off-the-shelf software doesn't fit how your business actually works, we build the application that does — portals, dashboards, LMS, quote and booking tools and workflow apps, engineered to solve a defined operational or commercial problem.
Discuss a project See our work →Business applications we engineer
Portals & dashboards
Internal and customer-facing portals with role-based access, reporting and admin workflows.
Learning platforms (LMS)
Courses, assessments, marking and progress tracking for education and training providers.
Quote & order tools
Configurable quotation and order systems with pricing rules and branded documents.
Booking & scheduling
Reservation, appointment and event-booking apps with availability and payment rules.
Forms & workflow apps
Structured forms, approvals, case/ticket handling and document (PDF) generation.
APIs & integrations
The APIs and system integrations that connect an app to the tools a business already runs.
The moving parts of a real application
A business app is more than screens. We build the rules, roles and connections that make it usable day to day and keep it in step with your other systems.
- Roles & permissionsAdmin, staff and customer access, scoped correctly.
- Forms, approvals & casesStructured intake, review steps and status tracking.
- Reporting & dashboardsThe numbers and views each role needs.
- Documents & PDFsGenerated quotes, records and exports.
- Payments where neededMemberships, deposits and checkout flows.
- System integrationsAPIs to ERP, CRM, payment and supplier systems.
Connecting an app to other systems is covered in depth on Connectors & Integrations.
Engineered to fit, delivered in steps
Model the workflow
We map the real process — roles, rules, documents and the systems it must talk to — before writing code.
Build in code you own
Custom applications built in Laravel and PHP (and maintained on existing CodeIgniter/PHP where that's what you have).
Deliver & support
Scoped and delivered in milestones, with deployment, handover and ongoing support.
These are custom engineering services — applications built for your business. Where we reference platforms such as Laravel or integrate CRM, ERP or payment systems, those are the tools and third-party services we build with, not GSP products.
Common questions
What kinds of custom business applications do you build?
Portals and dashboards, learning platforms (LMS), quote and order tools, booking and scheduling apps, and forms/workflow apps with approvals and document (PDF) generation — each engineered to solve a defined operational or commercial problem rather than as a generic template.
Can the application integrate with our CRM, ERP or payment systems?
Yes. We build the APIs and system integrations that connect an app to the tools you already run — CRM, ERP, payment and supplier systems. The integration work itself is covered in more detail on Connectors & Integrations.
What technology do you build on, and can you work with our existing codebase?
New applications are built in Laravel and PHP, in code you own. Where you already have a system, we can also maintain and extend existing CodeIgniter/PHP applications rather than insisting on a full rebuild.
Do we own the application, and can it be maintained and extended later?
Yes. You own the codebase, and projects are scoped and delivered in milestones with deployment, handover and ongoing support — so the application can keep evolving with your business, with us or your own team.
Custom applications we've built
A multi-tenant learning platform, a sales quotation system and a grievance/help-desk forms portal — three very different workflows, each engineered to fit.
Multi-college e-portfolio LMS with tutor marking and quality assurance
A multi-tenant learning platform for an education provider serving colleges, with flipbook courses, assessments, tutor marking and resubmissions, inte...
Sales quote builder with Excel price-list import and branded PDFs
For a UK web agency, we built a web-based quotation system for a machine-tool sales business: machines and options imported from the master Excel pric...
Grievance and request forms with PDF output for a union help desk
For a US airline flight attendants' union, we added structured grievance and request forms to its ticket-based support desk, with printable pages, PDF...
Have a workflow that off-the-shelf can't handle?
Tell us the process you're trying to run. We'll scope an application built to fit it — and the integrations around it.
Discuss a project