Enterprise Oracle APEX services, built for results
From custom application development to system integration, UI design, and ongoing support — APPSolve Group delivers reliable, scalable web applications built on Oracle technology, for enterprises that need them to work in production, not just in a demo.
Oracle APEX is one of the most practical platforms for building enterprise web applications directly on Oracle Database. It moves fast, keeps infrastructure lean, and handles real production workloads well — but only when the people building it actually know the platform.
Our Oracle APEX practice covers the full application lifecycle — scoping and architecture, custom development, integrations with Oracle systems and external APIs, interface design, and ongoing maintenance once applications are live. We don't hand off at the development stage and walk away. We stay involved through deployment and beyond, which is where a lot of APEX projects quietly run into trouble.
Some clients come with greenfield projects: a new internal tool, a customer-facing portal, a data management application built from scratch. Others arrive with existing APEX applications that have outgrown their original build, or need to connect with systems they were never designed to reach. Both are standard engagements for us.
End-to-end Oracle APEX services — from strategy and custom development to integration, UI design, and ongoing support — for enterprises that need reliable, scalable applications built on Oracle technology.
- ✓Full-cycle capability: strategy, development, integration, and support
- ✓Specialists in secure, high-performance APEX applications for complex enterprise environments
- ✓Deep experience connecting APEX with Oracle Database, REST APIs, and third-party systems
- ✓UI and UX work grounded in day-to-day usability, not just how it looks in a design file
Four service pillars, one accountable team
Jump to any area below for full scope, process, and delivery detail.
Development & Solution Architecture
The starting point for new builds and re-platforming work. Database schema design, application structure, security model, and deployment approach — all scoped before a line of code is written.
Jump to sectionIntegration Services
Connecting APEX to REST APIs, third-party platforms, and Oracle and non-Oracle databases — with authentication, error handling, and data mapping built to hold up under production load.
Jump to sectionUX/UI Design & Application Enhancements
Targeted usability and interface improvements for applications that work functionally but aren't being adopted, or no longer reflect how the organisation operates.
Jump to sectionSupport, Maintenance & Consulting
Ongoing patching, version upgrades, performance monitoring, and specialist advisory work — from lightweight maintenance to a continuous development retainer.
Jump to sectionDevelopment & Solution Architecture
Most teams want to move straight to building. We don't. Decisions made at the architecture stage — schema design, authentication scheme, authorisation model — affect every phase of development and support that follows, so we scope carefully before writing a line of code. This is standard engagement territory whether you're starting fresh or bringing us an existing APEX application that has outgrown its original build.
Skipping architecture documentation
Treating architecture as optional is the single most common reason Oracle APEX projects overrun or require significant rework before go-live. Getting this right early is the cheapest thing you can do on a project. Fixing it mid-build is not.
What this service covers
- ✓Discovery and technical brief: table structures, existing integrations, access control requirements, and target workflows
- ✓Application architecture: workspace and schema ownership, authentication scheme selection, authorisation design, and database link configuration
- ✓Entity-relationship diagrams and component maps for larger builds
- ✓Custom PL/SQL business logic written and reviewed at the database layer, not buried inside page processes
- ✓Iterative development in two-week sprint cycles, with a working build reviewed at each checkpoint
- ✓Legacy modernisation of existing Oracle Forms or PL/SQL-based applications without a full rewrite
Who this is for
- ✓Organisations planning a new internal tool, customer-facing portal, or data management application on Oracle Database
- ✓Teams with an existing APEX application that has outgrown its original architecture
- ✓Organisations modernising legacy Oracle Forms or PL/SQL-based systems without wanting a full rewrite
- ✓Anyone evaluating Oracle APEX as a platform and wanting a technically honest assessment of fit
Integration Services
Most enterprise APEX applications don't operate in isolation. They need to talk to REST APIs, third-party platforms, Oracle and non-Oracle databases, and internal services — sometimes all of the above. Integration isn't just wiring up an API call. It means understanding Oracle data models, handling authentication correctly, building error handling that doesn't break production flows, and producing something another team can actually maintain.
Integration is consistently underestimated
We see this constantly during technical work — authentication, error handling, data mapping, and performance under load are the parts that get skipped when integrations are scoped quickly, and that's usually where problems surface later.
What this service covers
- ✓REST API integrations — authentication, request/response mapping, and retry logic that doesn't break production flows
- ✓Connections to third-party enterprise platforms and non-Oracle databases
- ✓Database link configuration between Oracle schemas and external data sources
- ✓Data mapping and transformation between APEX applications and connected systems
- ✓Performance testing of integrations under realistic data volumes and load
- ✓Documentation handed over in a form another team can actually maintain
Who this is for
- ✓APEX applications that need to send or receive data reliably from another system
- ✓Teams connecting APEX to an existing Oracle ERP or a non-Oracle enterprise platform
- ✓Organisations that have an integration in place but are experiencing failures, timeouts, or data mismatches under load
UX/UI Design & Application Enhancements
Functionally it works. But users aren't adopting it, the interface is inconsistent across modules, or it no longer reflects how the organisation looks and operates. It's a common pattern — and it's fixable without rebuilding what already works. We hold UI work to the same standard as everything else we build: the focus is on how users move through an application day-to-day, not how it renders in a design file. We work within APEX's component model to make targeted improvements, scoping enhancement projects in phases so changes can be prioritised against budget and actual impact.
What this service covers
- ✓Usability review of existing APEX applications, identifying where interface friction is affecting adoption
- ✓Interface consistency work across modules built at different times by different teams
- ✓Component-level redesign within APEX's native UI framework — no unnecessary custom front-end rebuild
- ✓Feature additions and workflow enhancements scoped alongside interface improvements
- ✓Phased delivery so changes can be prioritised against budget and measured impact
Who this is for
- ✓Teams with a functionally correct APEX application that users aren't adopting
- ✓Organisations with multiple APEX applications built at different times, with inconsistent interfaces
- ✓Teams needing new features or workflow changes on a live application without a rebuild
Support, Maintenance & Consulting
Live APEX applications need ongoing attention — bug fixes, version upgrades, performance monitoring, occasional feature additions. That's just the reality of running production software. This service covers two situations: organisations without in-house APEX expertise, and those who have it but need specialist input on a specific problem. Engagements range from ad hoc advisory work to retained monthly support, depending on what your environment actually needs.
What this service covers
- ✓Scheduled patching and Oracle APEX version upgrades
- ✓Performance monitoring and tuning under real production load
- ✓Bug fixes and user issue resolution with defined response times
- ✓Feature additions and change requests on live applications
- ✓Specialist advisory input on a specific technical problem, without a full retainer
- ✓Knowledge transfer so your internal team understands what's being maintained
Who this is for
- ✓Organisations running a live APEX application with no in-house APEX expertise
- ✓Teams with internal APEX skills who need specialist input on a specific issue
- ✓Applications that need scheduled patching and version upgrades to stay supportable
- ✓Anyone weighing an in-house APEX team against a specialist partnership
Why Oracle APEX is the right platform for enterprise applications
Oracle APEX runs directly on top of the Oracle Database — not connected through an API layer, not talking to it through middleware. Application logic, data, and security controls all run inside the same database engine, and that has real consequences for enterprise teams.
Security built into the database layer
APEX inherits Oracle Database's native security model — Virtual Private Database, fine-grained access control, and SQL injection prevention through bind variables — as defaults, not optional add-ons. For regulated industries, that matters enormously.
Native Oracle Database integration
No object-relational mappers, no middleware connection pools, no data serialisation overhead. PL/SQL procedures, packages, views, and materialized views are directly accessible within APEX components.
Rapid deployment without cutting corners
The output is standard HTML, CSS, and JavaScript rendered by the Oracle REST Data Services layer — not a proprietary runtime. Applications can run on Oracle Cloud Infrastructure, on-premises, or in a hybrid configuration.
No additional licence cost
Oracle APEX is included with all editions of Oracle Database, including Oracle Database Free. For organisations already paying for Oracle Database, that removes a line item that would otherwise apply to commercial alternatives.
Where APEX fits — and where it does not
Oracle APEX is the right platform when your data lives in Oracle Database, when your organisation already has Oracle infrastructure, or when you need to modernise legacy Oracle Forms or PL/SQL-based applications without a full rewrite. It's not the right choice if your data strategy is moving away from Oracle Database entirely, or you need a consumer-facing application requiring a fully custom front-end framework. Being honest about that distinction is part of what separates a competent APEX practice from one that applies the platform indiscriminately.
A defined delivery methodology, from first conversation to ongoing support
Six stages, each with clear inputs, outputs, and handoff criteria. Projects stay predictable, and your internal team has visibility at every step.
Discovery
Audit existing data structures, business rules, and user workflows before any development begins.
Architecture
Define the application schema, security model, workspace configuration, and integration points.
Iterative Development
Build in two-week sprint cycles with working software reviewed at each checkpoint.
Quality Assurance
Run functional testing, performance profiling, and security validation against the Oracle Database layer.
Deployment
Manage environment promotion from development through UAT to production with version-controlled exports.
Ongoing Support
Provide patching, feature additions, performance tuning, and user issue resolution post-launch.
Oracle APEX use cases across industries
Oracle APEX isn't a generic low-code platform. It sits directly inside Oracle Database, which makes it a genuinely different tool for industries where data integrity, access control, and complex relational logic actually matter.
Finance
Role-based access, row-level visibility rules, and complete audit trails enforced at the database layer — built for multi-entity data models and strict audit requirements.
A mid-sized lender replaced a spreadsheet-based loan review process with an APEX application managing submission, underwriter review, approval routing, and document storage, with a full audit log tied to individual user sessions.
Healthcare
Data segregation, access logging, and workflow reliability enforced through Oracle's native security model — connecting directly to existing clinical or administrative databases without exposing data through an API layer.
A regional hospital group built a real-time bed management portal on top of its existing Oracle schema, with access scoped by ward and role using Virtual Private Database policies already in use across the organisation.
Manufacturing
Direct access to the same schema your ERP uses — no synchronisation delay, no transformation overhead — for quality control tracking, supplier management, and production reporting.
Non-conformance reporting, equipment inspection logs, and supplier audit portals are common builds: low user volumes, but where data accuracy and traceability are the whole point.
Public Sector
An extension of infrastructure already approved and licensed, removing procurement friction while meeting WCAG accessibility standards as a native platform capability.
A government agency built a grant application portal handling public-facing submission, internal review queues, status notifications, and reporting — without a separate application server or external database.
In-house APEX team vs. an AppsolveGroup partnership
Before committing to either path, it's worth being direct about the trade-offs. An AppsolveGroup partnership doesn't replace your internal team — it extends it, specifically where specialist depth is needed and where gaps would otherwise slow you down.
Pros of an in-house team
- ✓Deep familiarity with internal systems, data models, and business processes from day one
- ✓Full control over development priorities and sprint cadence
- ✓No onboarding time for institutional knowledge
The challenges it carries
- ✗Recruiting and retaining certified APEX developers is genuinely difficult in most markets
- ✗In-house teams carry fixed overhead regardless of project demand
- ✗Keeping pace with Oracle APEX release cycles and security advisories requires dedicated time most internal teams cannot consistently allocate
- ✗Single points of failure when key developers leave or are unavailable
What every AppsolveGroup APEX engagement includes
- ✓Certified Oracle APEX consultants assigned to your project from kickoff
- ✓Architecture documentation covering schema design, security model, and integration points
- ✓Iterative builds with client review checkpoints at each development cycle
- ✓QA testing against functional requirements, performance thresholds, and security standards
- ✓Deployment support including environment configuration and go-live validation
- ✓A named client success contact coordinating delivery throughout
Oracle APEX delivery in practice
How APPSolve Group has designed, built, and supported Oracle APEX applications for enterprise clients.
International Specialist Bank
APPSolve supported the implementation of Oracle Expense Reports (iExpenses) within a wider Financials and Procurement transformation for an international specialist bank.
Read the case study
International Renewable Energy Investor
APPSolve delivered an Oracle Fusion Cloud ERP rollout across Lithuania and Romania for an international renewable energy investor, followed by ongoing support.
Read the case study
Pan-African Telecommunications Group
APPSolve scaled specialist resourcing across a complex Oracle cloud landscape for a major pan-African telecommunications and digital services group operating in 19 markets.
Read the case studyOracle APEX services: frequently asked questions
What is Oracle APEX?
What is an APEX workspace?
Who is Oracle APEX best suited for?
Does Oracle APEX carry an additional licence cost?
Do you build Oracle APEX applications from scratch?
Can you take over an existing APEX application?
What systems can Oracle APEX integrate with?
Does improving the UI mean rebuilding the application?
Do you offer ongoing support or just one-off fixes?
We don't have in-house APEX expertise — can you still help?
Start your Oracle APEX engagement with APPSolve Group
Whether you're starting a new build, modernising an existing APEX application, or need specialist support for a live environment — we'll give you a clear picture of what's involved.