Responsive product UI
Interfaces people understand—and systems that hold up behind them.
Strategy, UX, visual design, frontend, backend and integrations delivered as one joined-up product.
Complex made clear.
We design, build, host and operate websites and apps—for our clients and for ourselves. When the work needs depth, we make it interactive in 3D.
Use the pageButly particle systemMove your pointer. The system responds.
Signal → particles → Earth
Complex
made clear.
(01) / The whole product
Make your dream website for your business. We shape the dream, build the system, launch it, host it and keep it alive.
At Complex Designs, we design and build software for businesses with big ambitions.
Every website we create is unique—designed to capture your brand’s personality and built to work responsively across current phones, tablets and desktops.
With more than a decade of experience, we help partners boost productivity, improve services and make better use of their data.
Contact us today ↗
(02) / Capability lab
Don’t take our word for it.
Don’t take our word for it.
Use the page.
Each state below is built from real browser elements, not a gallery of stock photographs.
AI & workflow automation
Use intelligence where it removes work—not where it adds theatre.
We connect forms, content, data and operational tools into bounded workflows with clear human control.
New enquiry→Classify→Route→Human review
Commerce & useful data
Commercial journeys with the numbers made legible.
Product discovery, configuration, checkout integrations and dashboards designed around the decisions people need to make.
Configured productReady to quote
Physical → digital
Turn objects, products and spaces into web-ready interactive 3D.
We can work from a new capture or supplied scan data, then clean, optimise and present it in an accessible browser experience. Capture method, accuracy, travel and scope are agreed first.
Illustrative capability demo—not a captured client asset.Launch is the middle
Managed hosting and operation after the first live day.
For agreed projects and support plans, we can handle deployment, HTTPS, health checks, backups, monitoring, maintenance and urgent support.
Architecture demonstration—not a live uptime feed.- Design
- Build
- Launch
- Host
- Operate
Live customer platform
EVENO
Secure by design
ONE QUICK CHECK
Welcome to Eveno
View live ↗
Protected experience01 / 02
Eveno. A secure platform with character.
Customer example · Live project · eveno.co.uk ↗
84
wellbeing
SMALL SIGNALS / BIG CHANGE
Health data that feels human.
Capability demo · Research · Experience · Mobile ↗
- Score
- 000000
- High
- 000000
- Lives
- 4
An original automatic 3D maze chase built by Complex Designs. Entering the maze adds keyboard or swipe direction controls; Exit or Escape returns to the automatic overview.
A maze that thinks.
Capability demo · Three.js · Game systems · Real-time
LIVE OPERATIONS
Everything. One calm view.
A busy business, made legible.
Capability demo · Service design · Systems · Data ↗
(04) / What we do
From “what if?”
From “what if?”
to what’s next.
01
Strategy & product design
Find the sharpest version of the idea, then make every interaction clear.
↗ 02Websites, apps & automation
Distinctive interfaces, dependable engineering, AI workflows, commerce and data.
↗ 033D scanning & interactive 3D
Capture or supplied scan data, cleaned and optimised for useful browser experiences.
↗ 04Hosting & operations
Managed deployment, resilience and support for agreed projects and plans.
↗ 05Ongoing improvement
Maintenance, new features and urgent help within an agreed support plan.
↗
(05) / Aligned from day one
£0 development fee upfront.
£0 development fee upfront.
Built around a measurable outcome.
For selected projects, Complex Designs covers the agreed core development work and the maintenance and improvements set out in the written agreement. During the build, you cover the agreed third-party and running costs. In return, we earn a performance fee calculated using the tailored percentage and measurable basis agreed in writing before work begins.
Explore the model ↗
SELECTED PERFORMANCE PROJECTS
£0
Subject to selection and a written agreement. Percentage, calculation basis, scope and duration are tailored to the project.
Direct costs third-party & running
+Performance fee tailored in writing
(06) / The long view
13+ years of making
13+ years of making
the complicated
From first sketch to launch day and every release after, we stay close, tell the truth, and care about the result.
24/7 urgent support on agreed plans
HTTPS + platform protection available
Cloud-hosted with health checks
Opens a standard Tetris game. Use Escape or the always-visible Exit game button to return to the page.