Custom Web Apps & PortalsBusiness software engineered around the way you work
Custom portals, dashboards, SaaS products and web applications that support your operations, customers and digital business model.
Custom Web Apps & Portals: Custom portals, dashboards, SaaS products and web applications that support your operations, customers and digital business model.
- Starting price
- £4,450 setup
- Typical timeline
- 8–14 weeks
- Hosting
- Included in every plan
- Markets
- UK, Europe, USA, Canada, GCC, Australia, China
How do you want to start?
Get a quote
Tell us what you need and receive a fixed quote within one business day.
Get a quote ›Website cost estimator
Answer a few questions and get an indicative budget range in seconds.
Website cost estimator ›Choose a package
Pick a ready-made package with clear setup and monthly pricing, hosting included. Combine services and save up to 20%.
See packages ›Start with a consultation
Have a specific vision or a complex project? Talk to a project lead and receive a tailored proposal with a fixed quote.
Book a free consultation ›What we build
Some requirements can't be met by an ordinary website or an off-the-shelf product.
Penta Services develops custom web applications that manage users, automate workflows, centralise information and deliver digital services.
From an internal employee portal to a commercial SaaS platform, we build around the workflows your organisation actually needs.
Choose your application type
Select every option that applies. Your choices are added to the quotation form automatically.
Key capabilities
Requirements-led architecture
Built around your workflows, not forced into a template.
Roles and permissions
Fine-grained access control and audit logs.
Dashboards
Live data and reports for every team.
Automation
Approvals, notifications and scheduled tasks that save hours.
Quality engineering
Automated tests, code reviews and CI/CD pipelines.
Scalable cloud
Hosting that grows with users and data.
Everything included
- Multi-user and multi-role access
- Organisation and department management
- Workflow and approval engines
- Dynamic forms
- Document management
- Notifications and messaging
- Billing and subscriptions
- Integrations and APIs
- Audit logs
- Reports and analytics
- Multi-tenancy
- Custom dashboards
- Search and filtering
- Mobile-responsive interfaces
- Authentication and security controls
- Cloud deployment
Deliverables
- Approved specification
- UX/UI designs
- Developed functionality
- Testing
- Agreed integrations
- Deployment
- Technical documentation
- Support arrangement
How a project runs
Discover
Goals, audience, competitors and markets.
Strategise
Sitemap, keyword plan per language, tech choice.
Design
Wireframes and visual design you approve.
Develop
Build, integrate and connect content.
Test
Speed, accessibility, devices and security.
Launch
Domain, hosting, tracking and search submission.
Grow
SEO, GEO, care and new features.
Technology choices
Select your preferred technologies, or leave it to us and we'll recommend the right stack.
Free tools recommended for this service
Website cost estimator
Answer a few questions and get an indicative budget range in seconds.
Website cost estimator ›Free SEO & GEO assessment
See how Google and AI assistants currently understand your brand, and what to fix first.
Free SEO & GEO assessment ›Free website audit
We review speed, mobile experience, usability and technical SEO, then send you a prioritised fix list.
Free website audit ›See solutions we design
Illustrative design references, not verified client projects. Case studies are added as clients approve them.
Solutions we design & develop ›Custom platforms & portals
SaaS dashboards, workflow systems, customer and business portals.
Frequently asked
Who owns the code?
You do, as set out in your agreement, including documentation and repositories.
Can you take over an unfinished project?
Yes. We review code and infrastructure first, then recommend continuing, fixing or rebuilding.
How do you price custom software?
After a short discovery, we give a fixed quote per phase so costs stay predictable.
How do I get a quote?
Select your options on this page and send the quotation form, or use the cost estimator. A project lead replies within one business day with a fixed quote.
Does the 50% offer apply to this service?
Yes. Setup fees on all packages are 50% off until 31 Dec 2026. Monthly fees and hosting stay the same.
Plan your custom application
Your selections are included automatically. A project lead replies within one business day with a fixed quote.
Ready to start?
Order online in minutes, or message us on WhatsApp and a project lead will reply quickly.