
Svelte Development Company
AI-augmented Svelte development for teams that measure their bundles: our engineers build SvelteKit apps that ship less JavaScript and load faster, with 60 days of support after launch.
What our svelte development services cover
The compiled framework's whole lifecycle, taken seriously by engineers who chose it deliberately.
SvelteKit product builds
Full applications on SvelteKit with routing, SSR, and API endpoints in one coherent project, sized for teams that want capability without framework sprawl.
- ✓SvelteKit routing and layouts
- ✓SSR, SSG, and hybrid rendering
- ✓Form actions and progressive enhancement
- ✓TypeScript end to end
Performance-critical front ends
Svelte's compiler removes the runtime tax, and we exploit it: interaction-heavy dashboards and media UIs that stay fast on mid-range Android hardware.
- ✓Minimal runtime overhead
- ✓Fine-grained reactivity
- ✓Bundle budgets in CI
- ✓Core Web Vitals as a gate
Interactive dashboards and tools
Data-dense internal tools where every millisecond of interaction latency compounds, built with stores and derived state that stay predictable as complexity grows.
- ✓Typed stores and derived state
- ✓Virtualised tables and charts
- ✓WebSocket and streaming data
- ✓Keyboard-first interactions
Marketing sites and content
Static and server-rendered sites with SvelteKit where SEO matters, with metadata, structured data, and image pipelines handled by the engineers, not bolted on.
- ✓Static generation at build
- ✓SEO metadata and sitemaps
- ✓Image and font optimisation
- ✓CMS integration with typed models
Svelte 4 to svelte 5 migration
Existing Svelte apps moved to runes and current tooling behind the same product surface, so the codebase stops aging in place.
- ✓Runes migration path
- ✓Dependency and adapter upgrades
- ✓Test coverage before touching code
- ✓Regression verification
Design systems in svelte
Component libraries scoped to your brand, with accessibility built into the primitives rather than promised in the README.
- ✓Token-driven theming
- ✓Accessible headless primitives
- ✓Storybook or Histoire docs
- ✓Packaged for reuse across apps
What every engagement includes
Every Svelte project ships with the following, agreed in writing before the first sprint begins.
Discovery workshop
A structured workshop maps your goals, users, and constraints into a scoped Svelte roadmap with a fixed written quote before any sprint starts.
Named senior team
You get named, senior engineers with CVs you can review, not a rotating bench. The people in the kickoff are the people who ship.
Sprint demos every two weeks
Working builds are demoed live each cycle with CI running on every merge, so progress is visible in software, not slideware.
100% source-code ownership
All Svelte source, configurations, designs, and documentation transfer to you on delivery with no licensing strings or vendor lock-in.
60 days of post-launch support
Engineering time is on standby for two months after go-live to triage defects, tune performance, and stabilise the release at no extra cost.
12 months of free updates
Compatibility updates, security patches, and framework upgrades ship free for a full year after handover.
insight
Where svelte fits best
Svelte suits teams that prize performance and simplicity: dashboards, internal tools, marketing sites, and products where the bundle size and interaction latency genuinely move a metric. Its smaller ecosystem is the honest trade, and it matters most if you expect to hire a large team quickly.
For the backend layer, our Node.js development services team shares TypeScript types with a SvelteKit front end cleanly. And if you are benchmarking frameworks before committing, our React development services page explains when React's ecosystem outweighs Svelte's runtime advantages.
The stack behind our svelte builds
Default choices, stated with reasons.
Framework and rendering
Svelte 5 with runes and SvelteKit as the default project shape, with rendering decided per route: static for content, server for personalisation, client islands for heavy widgets.
Language and state
TypeScript strict mode with typed $props and $state, runes for reactivity, and stores reserved for genuinely global concerns so component-local state stays simple.
Styling
Scoped component styles by default, Tailwind CSS for token-driven systems, and design tokens shared with any sibling mobile or web clients.
Data and APIs
Typed fetch layers with TanStack Query where server-state caching earns its place, SvelteKit form actions for mutations, and typed CMS models for content.
Testing and quality
Vitest for units, Svelte Testing Library for components, Playwright for end-to-end journeys, and Lighthouse budgets wired into CI on every pull request.
AI features
Streaming LLM endpoints in SvelteKit server routes, AI-assisted search over your content, and evaluation harnesses so model quality is tracked per release.
How a svelte project runs
Six stages, each ending in a sign-off you control.
- 01
Discovery
Product goals, traffic shape, and content model mapped in a workshop, ending in a fixed written quote and an explicit rendering strategy per route.
✓ step 01 complete - 02
Design system setup
Design tokens become Svelte components, with accessibility and interaction states defined in the primitives so every screen inherits them by default.
✓ step 02 complete - 03
Architecture setup
SvelteKit structure, CI, adapters, and preview deployments scaffolded in week one. A walking skeleton runs on a real URL before feature work starts.
✓ step 03 complete - 04
Sprint delivery
Two-week sprints with live demos. Types, lint, tests, and bundle budgets run on every merge, so performance regressions fail the build, not your users.
✓ step 04 complete - 05
Hardening and launch
Core Web Vitals verified against budgets, accessibility audited, analytics and error monitoring wired, and a staged cutover with instant rollback.
✓ step 05 complete - 06
Support and handover
60 days of included support, 12 months of free updates, and documentation written for the engineers who inherit the codebase after us.
✓ step 06 complete
Why teams pick us for svelte work
A smaller ecosystem rewards teams who know what they are doing with it.
Performance as a measured gate
Bundle size and interaction latency are tracked against budgets from the first sprint, so the release candidate is fast by construction rather than by retrofit.
AI-augmented delivery
AI tooling accelerates scaffolding, tests, and review on our Svelte projects while senior engineers own architecture. Same quality bar, more shipped per sprint.
Runes-ready codebases
We build on current Svelte idioms and handle version migrations as routine maintenance, so your app is not a museum piece of framework history.
Honest ecosystem Trade-offs
We will tell you when Svelte's smaller hiring pool and library ecosystem should push you to React instead, because a framework mismatch outlasts any engagement.
Ownership without Lock-in
100% source-code ownership and plain, documented architecture mean any competent Svelte team can take over. We build for that day from sprint one.
Track record since 2010
9,000+ projects and 3,900+ published products across 25+ countries, with performance-critical web platforms among them.
Svelte development FAQs
$ moxace launch --nowWondering if svelte fits your product?
Send us the brief. We will tell you where Svelte's compiled approach wins and where it does not, before you commit a budget.
- 01
Share your idea
a quick call, no deck required
- 02
See the live demo
every screen, admin to user
- 03
Launch with source
full code, your brand, your servers
$ moxace launch --nowReady for a Faster, Leaner Web App?
Talk to our Svelte team about a fixed-scope, AI-augmented build with 60 days of support and full source-code ownership.
- 01
Share your idea
a quick call, no deck required
- 02
See the live demo
every screen, admin to user
- 03
Launch with source
full code, your brand, your servers
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