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Bespoke software, built around how your business works

We design and build internal tools, client portals and operational systems for UK businesses whose work no longer fits in spreadsheets or off-the-shelf software. You get one system shaped around your process, connected to the tools you already use, and code that belongs to you.

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At a glance

Typical timeline
10 to 16 weeks for simple apps. 14 to 22 weeks for business applications. 6 to 12 months for enterprise systems.
How we price
Fixed price for an agreed scope, after a short discovery
Technology
Next.js, TypeScript, React, PostgreSQL, Prisma, Node.js

What this usually looks like

Typical systems we build. Each one is scoped to your process, not a template.

  • Operations Management Platforms

    Custom systems for managing projects, resources, workflows, and reporting across departments.

  • Client & Customer Portals

    Branded web applications where clients can access documents, track progress, and communicate with your team.

  • Data Management Systems

    Custom databases with validation, reporting, and workflow automation replacing complex spreadsheet systems.

  • Booking & Scheduling Systems

    Purpose-built reservation, appointment, or resource scheduling platforms with business-specific logic.

  • Compliance & Audit Systems

    Applications that automate compliance tracking, documentation, and audit trail management.

  • Quote & Proposal Generators

    Automated systems that generate accurate quotes, proposals, and contracts based on configurable business rules.

What you can expect

The practical difference once the system is in place.
  • Software designed around your exact business processes
  • Eliminate dependency on spreadsheets and manual workarounds
  • Full ownership of code, data, and intellectual property
  • No per-user licensing fees or vendor lock-in
  • Direct integration with existing business systems
  • Scalable architecture that grows with your business

How the project runs

Every phase ends with something you can see and approve.

  1. Discovery & Requirements

    Elsio maps your business processes, identifies pain points, and defines the software requirements through stakeholder workshops.

    1 to 2 weeks

  2. Architecture & Design

    Elsio designs the database schema, user interface, and system architecture with input from your team.

    2 to 3 weeks

  3. Iterative Development

    Elsio builds the software in 2-week sprints with regular demos, incorporating feedback throughout.

    6 to 12 weeks

  4. Testing & Deployment

    Elsio performs comprehensive testing, data migration, user training, and zero-downtime deployment.

    2 to 3 weeks

What you receive

  • Custom software application
  • Database design and data migration
  • User authentication and role management
  • API integrations with existing systems
  • Testing and quality assurance
  • Deployment to production environment
  • User documentation and training
  • 60-day post-launch support

Is it the right choice?

If a well-supported product already does 80% of what you need and your process can bend to it, buy the product. Custom software makes sense when the way you work is a genuine advantage, when you are stitching several tools together by hand, or when per-seat costs keep rising for features you do not use.

Strengths

  • Built around your exact processes and workflows
  • Full ownership of code and data
  • No recurring per-user licensing costs
  • Complete customisation and control
  • Direct integration with existing systems
  • Scales with your business needs

Trade-offs to plan for

  • Higher initial investment than off-the-shelf solutions
  • Development timeline longer than SaaS setup
  • Requires ongoing maintenance and updates
  • Need technical team for feature additions beyond basic configuration
  • Responsibility for hosting and security

Common questions

How is custom software development priced?
Elsio operates on a fixed-price engagement model. After a discovery phase to scope requirements, we provide a detailed proposal outlining deliverables, timeline, and milestones, so the price is agreed in writing before any build starts.
How long does custom software development take?
A simple application takes 10 to 16 weeks. A business application takes 14 to 22 weeks. Enterprise systems may require 6 to 12 months. Elsio delivers in 2-week sprints with regular progress demos.
Should we build custom or buy off-the-shelf?
Build custom when off-the-shelf tools force you to change your processes, when licensing costs are high, when you need deep integration with other systems, or when your competitive advantage depends on unique operational efficiency.
Do we own the code?
Yes. Elsio transfers full intellectual property rights upon project completion. You own the source code, database, and all associated assets.
Can custom software integrate with our existing tools?
Yes. Elsio builds integrations with accounting software (Xero, Sage), CRM systems, email platforms, payment providers, and any system with an API.
What happens after the software is built?
Elsio offers ongoing maintenance, feature development, and support through retainer agreements. We also provide documentation and training so your team can manage day-to-day operations independently.

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Talk to us about custom software

Send a short brief and we will come back with questions, a rough approach and whether we are the right fit. No sales sequence.

Start a projectCall 07343 090512

Prefer email? info@elslabs.co.uk

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