Web apps, portals and internal tools
Halo builds portals, dashboards, calculators, intake and admin tools where the workflow—not the fashionable framework—defines the product.
Typical first release
One end-to-end job with the necessary data, permissions, validation, exceptions and handover made visible.
Not included automatically
Delivery path
Fewer manual handoffs, clearer ownership, a reliable completion path and recoverable error states.
Identify the user, current surface, constraint and outcome that matters.
Define what must work, what can wait and which risks need a boundary.
Design and implement the approved surface, workflow or product slice.
Check the real route, interaction or operational state before calling it complete.
Relevant live surfaces
These links demonstrate delivery breadth. They do not imply customer outcome metrics.
Jobs, quotes and invoice support for UK tradespeople, with a dedicated product and support surface.
Built and operated by David Shelley
Proof type: Public product and App Store listing
Status: Live product website and current App Store listing
Evidence checked: 29 July 2026
Boundary: Public availability does not prove adoption or customer outcomes.
Capability shown: App engineering, documents and customer support routes
Capability questions
Start with the useful release and evidence standard; the tool choices come after.
One end-to-end job with the necessary data, permissions, validation, exceptions and handover made visible.
Fewer manual handoffs, clearer ownership, a reliable completion path and recoverable error states.
More brands, audiences, locations, integrations, sensitive data, live-account access, legacy migration, content volume and third-party approvals can all change the release plan and price.
Practical guides
Each guide explains a bounded first release, the evidence to retain and the outcomes no supplier can honestly guarantee.
Decide when a spreadsheet is still enough and when roles, validation, workflow state, exceptions or audit history justify a focused internal tool.
Read guideReady when you are
Send an existing page or workflow for a free first look, or tell Halo what you want to create. You will get a specific next step, not a generic AI roadmap.