Grow without your website becoming the bottleneck.
Building fast, secure, and scalable web platforms that hold up as traffic, teams, and features grow.
Understanding the discipline
What a web platform really is.
A web platform is the system a business runs its public face on — the pages customers see, the services behind them, and the process by which anything on it changes. It is infrastructure, not a brochure.
The distinction matters commercially. A brochure is finished when it launches. A platform is judged by how cheaply it can be changed for the next three years, because that is where almost all of its cost lives.
A website used to be a launch. It is now a system that changes weekly.
Speed stopped being a technical metric and became a revenue one.
Publishing moved from engineering to the teams who own the message.
The real cost is not the build. It is every change after it.
Fast as a budget, not a hope
Performance targets set as numbers and enforced while the site is being built, so speed doesn't decay the first time someone adds a script.
Editable without a ticket
A content model shaped around how your team actually writes, so publishing stops routing through engineering.
Built to be handed over
Typed, component-driven architecture, documented and transferred — so your developers can take it forward without us.
The business case
Why businesses invest in web platform engineering.
Returns that show up on the business, not on the engineering backlog.
- 01
Speed that shows up in revenue
Faster pages hold visitors and lift search rankings, and the gain is measured rather than assumed — a budget with a number on it, not a hope.
- 02
Change scoped in days, not rebuilds
A clean architecture makes the blast radius of any change obvious, so a request comes back with a scope instead of a quote for starting again.
- 03
Publishing without engineering
Marketing ships a page on Tuesday and a developer never sees it, because the content model was shaped around how the team actually writes.
- 04
One rebuild, not another migration
A platform your own team extends, so the next three years are additions to what exists rather than a second re-platforming project.
What we build & capabilities
The things you can commission — and what each one ships with.
Defined engagements, one at a time: the thing itself on screen, and the capabilities that come with it.
01 / 06
Front-end architecture
A typed, component-driven front end where shared interface is built once and every page inherits it — so the next feature is an addition rather than a negotiation with the last one.
Capabilities
- Design system
- Reusable components
- Typed codebase
- Per-breakpoint layouts
- Documented handover
Business outcomes
Where the business is today, and what changes.
The operational difference, in the terms the business already measures itself in.
Faster load and better SEO
Scales without re-platforming
Lower maintenance cost
Industries we serve
The same discipline, shaped to your sector.
Regulation, procurement and legacy estate differ by industry — and the engagement is shaped around them, not in spite of them.
Our engineering process
How the engagement actually runs.
Every stage has an owner, an output, and a point where you can change direction.
01
Discovery
What the platform has to change commercially, and where the current one actually hurts.
02
Architecture
The rendering strategy, component model, and stack chosen for year three, not only launch.
03
Content modelling
The CMS shaped around how the team writes, so publishing never routes back through engineering.
04
Design system
Shared interface built once, per breakpoint, and reviewed on real devices.
05
Build
Short, reviewable increments against a performance budget that fails the build when it slips.
06
Quality & accessibility
Automated tests and WCAG checks run through delivery, not bolted on at the end.
07
Deployment
Edge delivery, CI/CD, and a rollback path rehearsed before the first real release.
08
Handover & iteration
Documented, transferred to your team, and improved by the people who built it.
Why Sumago
Why teams choose Sumago.
The technology partner serious businesses build with — and stay with.
Business understanding first
We understand the business before writing a line of code.
Strategic consulting
A consultative partner, not just a development shop.
Multidisciplinary team
Analysts, architects, designers, engineers, cloud & AI specialists, QA.
Transparency
Clear communication in every engagement.
Engineering quality
High standards, scalable and secure architecture.
Long-term partnership
Support and improvement long after delivery.
Technology ecosystem
Mainstream technology, chosen so you can hire for it later.
The stack is a means, not a position. It gets chosen against your constraints — and it stays maintainable by people who aren't us.
- Slack
