hayman.dev LTD logo
Services • Est. 2001

From first prototype to pen-test-ready platform

Web, desktop, mobile and cloud — engineered in C# and .NET by the team behind six flagship products. We build it, ship it and keep improving it.

  • Web & SaaS
  • Native desktop
  • Mobile & PWA
  • Azure cloud
  • Identity & security
  • AI tooling
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Years of engineering excellence

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Flagship products & frameworks

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Platforms — web, desktop, mobile

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System integrations, out of the box

What we do

Every layer of the stack, one team

From the database to the store listing — these aren't aspirational bullet points. Every one of these is a live delivery, or a product we ship.

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Web & SaaS platforms

Multi-tenant platforms, portals and dashboards in C#, .NET Core and TypeScript — from event booking systems to benefits platforms with SAML v2 SSO.

See a live platform arrow_forward
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Native desktop apps

WPF and WinUI 3 applications on .NET 10 — tray-first monitoring tools and serious utilities, shipped through the Microsoft Store.

See Resource Watchtower arrow_forward
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Mobile & PWA apps

.NET MAUI apps and install-free PWAs — wellbeing apps in schools, mood trackers used daily by employees across companies.

See the B.E.N. app arrow_forward
cloud

Azure cloud & IaC

PaaS and SaaS delivery on Azure with Bicep and raw Azure APIs — domains, SSL certificates, databases, web apps and endpoints provisioned as code. Bill monitoring built in.

See the Lumina build arrow_forward
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Identity & security

SAML v2 single sign-on as IdP or SP, security audits and pen-test-ready releases — shipped through annual and monthly pen tests without a single failure.

Pen-test story arrow_forward
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AI integration & tooling

LLM routing proxies, reasoning caches and local AI detection — practical AI that ships, from 7+ provider routing to GPU-aware monitoring.

See the AI proxy arrow_forward
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How we work

Sequenced for ROI, secured for scrutiny

A process earned across 25 years of deliveries — and refined on every platform we've shipped.

  1. 01

    Prototype the ROI

    Key elements built fast, ROI proven to stakeholders — a two-month prototype won unanimous board approval for a full platform build.

  2. 02

    Milestones, ROI first

    Challenges identified early, features sequenced so the quickest returns land first — with a raft of updates to follow.

  3. 03

    Build & integrate

    Platform, integrations and infrastructure built together — SAML, payments, machinery, email engines — whatever your estate needs.

  4. 04

    Pen-test & deploy

    Technical excellence driven from the first release — annual and monthly pen tests passed, then deployed to production.

  5. 05

    Support & evolve

    Proactive maintenance and changelog-driven updates — partnerships measured in years, not sprints.

Partner-led delivery

One accountable team, not a random dev shop

Every major delivery runs through the same partnership model that built our case studies: our partner Mohunky LTD owns client liaison, project management and ongoing support, Ralph Media shapes the design — and we engineer everything that makes it work.

You get a real engineer on the first call, milestones agreed for ROI first, and platforms built to pass pen tests — not fail them.

How the partnership works keyboard_arrow_right
Three teams, one delivery
  • M

    Mohunky

    Client liaison, project management and ongoing support.

  • R

    Ralph Media

    UX/UI design — experiences people actually enjoy using.

  • H

    Hayman.dev

    The build — platforms, apps, infrastructure and everything under the hood.

Proven across sectors

Real deliveries, real sectors

Every sector below is backed by a live platform or shipped product — not a slide deck.

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Healthcare

Electronic traceability for surgical instruments — live at the Ulster Independent Clinic since May 2025.

Vestige case study arrow_forward event

Events & conferences

Multi-tenant event booking — registration, payments, digital tickets and exhibitor portals at 99.9% uptime.

Unity Bookings arrow_forward eco

Sustainability

Carbon reporting with twin dashboards and a campaign engine pushing 10k+ GDPR-compliant emails per campaign.

BidPiston case study arrow_forward redeem

Employee benefits

Every benefit behind one sign-in — SAML v2 SSO and Azure SaaS that sailed annual and monthly pen tests.

Lumina case study arrow_forward mood

Wellbeing

An install-free mood PWA turning science-backed methods into benchmarks — 3+ years live and selling into new companies.

CorMood case study arrow_forward school

Education

Digital empathy for schools — a native wellness app in live use, with positive feedback from students and staff.

B.E.N. case study arrow_forward
Accreditations & frameworks

Standards you can verify

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G-Cloud 13

Cloud software, hosting & support for the public sector

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DOS 6

Digital outcomes & specialists supplier

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Microsoft Partner

Cloud solution provider credentials

security
Cyber Essentials

Infrastructure security certified

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NHS Digital Toolkit

Data security & protection assured

Every product we ship started as a conversation

Let's build something that lasts

A platform, an app, a product line — tell us what you're building and a real engineer will get back to you.

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No hard sell • A real engineer on the first call