Leading Svelte Development Companies in Belgium (2026)

Product and engineering leaders in Belgium need Svelte teams that deliver fast, maintainable single-page and server-rendered apps with small bundles, but they struggle to judge candidate firms on framework depth and delivery practices. When comparing providers, focus on Svelte and SvelteKit expertise, server-side rendering and hydration experience, TypeScript and testing coverage, bundle size and runtime performance, accessibility and GDPR-aware practices, and post-launch maintenance and deployment workflows.

SoftPro appears first as the featured partner for this roundup and serves buyers across Belgium and the wider region as an international partner.

Quick comparison: Svelte development companies (Belgium)

1. SoftPro

We feature SoftPro as our author-selected international partner for Belgian teams looking to source Svelte development or to improve frontend performance and delivery. SoftPro's website does not mention Svelte specifically, but it presents itself as an EU-focused development team that can engage with startups, SMEs, and corporate clients in Belgium. Headquartered in Warsaw, Poland, the company lists an EU team and invites international projects.

The company emphasizes full-stack delivery across frontend and backend and lists .NET, ASP.NET Core, C#, React, and Node.js on its technology pages. SoftPro also promotes cloud-native development and long-term maintenance for enterprise and product teams, positioning practical adjacent capabilities for projects that may choose Svelte for the frontend.

Key Highlights

• More than 20 years of combined team experience stated on the company website.

• The services page explicitly lists progressive web app development as part of its web application offering.

• The site publishes case studies that include a Business Portal, CRM/HRM system, SAAS ETL platform, Support System, and a social network for product promotion.

• The AI offering on the site specifies LLM integrations, RAG architecture implementations, and bespoke ML model development for business workflows.

Services

• Custom Software Development

• Web Application Development

• Cloud Development

• Artificial Intelligence

Contact Information

Website: soft-pro.pl

Phone: +48 571 282 759

Address: Poland, Warsaw, Mazowieckie Voivodeship, 13 Erasmus Ciołka St. 401

LinkedIn: www.linkedin.com/company/soft-pro-pl

2. Mirahi

Mirahi is a Belgium and Netherlands-based software consultancy that delivers frontend, backend, mobile, Jamstack, infrastructure, UX/UI and training services. The company’s website lists modern frameworks and tools such as Next.js, Nuxt.js, React, Vue.js and Cloudflare, and it presents a case study about migrating the Constitutional Court of Belgium to a new website with Mirahi's support.

The Mirahi site does not mention Svelte specifically, so there is no direct on-site evidence of Svelte projects or an official Svelte partnership. Buyers assessing Mirahi for Svelte work can review the Jamstack Development and Frontend Development pages, inspect the Constitutional Court case study and client testimonials that describe component-library and Storybook migrations with Vue 3 and TypeScript, and evaluate Mirahi’s training and infrastructure offerings to confirm build-pipeline and production-deployment readiness.

Key Highlights

• Partnered with NuxtJS as both an agency partner and an educational partner.
• Listed partner of Storyblok, the headless CMS used to drive web and single-page app content.
• Holds the KMO‑Portefeuille certification that makes its corporate trainings eligible for Belgian training subsidies.
• Client testimonial on the site reports Mirahi helped deliver 1000+ virtual machines and handled 5000+ cloud/infra tasks on a project.

Services

• Jamstack Development
• Frontend Development
• Infrastructure Services
• Training

Contact Information

Website: mirahi.io

Email: info@mirahi.io

Phone: +32484773890

3. VETWorks / VETCloud

VETCloud is a Belgian veterinary practice-management platform from VETWorks that runs in web browsers and as a mobile app with explicit offline mode. The site documents an in-house AI Scribe and AI assistant, X‑ray and ultrasound image handling, invoicing compliance with Peppol and VAMREG, and data hosting on servers in Europe.

The VETCloud website does not state which frontend framework it uses and does not mention Svelte. Buyers evaluating VETCloud for Svelte-related work should verify the platform’s offline sync architecture and service-worker or PWA support, review its API and integration details (the site lists integrations with 18 accounting packages and UBL/Peppol compatibility), and confirm operational facts the site publishes such as ~200 free updates per year, automatic daily backups, and premium phone and email support.

Key Highlights

• 1.5 million+ patients managed in Belgian practices and clinics.
• Around 200 free updates delivered per year to the platform.
• Integrations with 18 accounting packages and compatibility with UBL/Peppol for electronic invoicing.
• Premium phone and email support available, including outside office hours and during on-call shifts.

Services

• AI Scribe
• Mobile app (offline mode)
• Practice management & KPI dashboards
• Integrations and data migration

Contact Information

Website: vetworks.be

Phone: 03/454.68.53

Email: info@vetworks.be

Address: VETWorks BV · Bredabaan 851, 2930 Brasschaat, Belgium

4. Mirahi

Mirahi is a Belgium and Netherlands–based software consultancy established in 2020 that lists Frontend Development, Jamstack Development, and UI Engineering among its core services.

Mirahi's public website does not mention Svelte or SvelteKit, but it documents framework experience with Next.js, Nuxt.js, Vue.js, and React and highlights a NuxtJS partnership and Storyblok integration.

Buyers evaluating Mirahi for Svelte projects should request technical evidence such as component-library examples, Storybook setups, and TypeScript migration notes that mirror the Vue 3 and Storybook work shown in the site testimonials and case studies.

Mirahi also publishes that it offers training and holds the KMO‑Portefeuille certificate for subsidized training, which buyers can use to arrange targeted upskilling or migration workshops.

Key Highlights

• NuxtJS agency and educational partner listed on the Mirahi site.

• Storyblok partner and headless CMS integration mentioned in the partnerships section.

• The About page lists “50+ projects delivered” and states Mirahi was established in 2020.

• Holds the KMO‑Portefeuille certificate for training eligibility, as shown on the About page.

Services

• Frontend Development

• Jamstack Development

• UI Engineering

• Training

Contact Information

Website: mirahi.io

Phone: +32 484 77 38 90

Email: info@mirahi.io

5. Factry

Factry is a Ghent, Belgium–based industrial software vendor that publishes a web-based production platform composed of Factry Historian and FactryOS. The public site describes FactryOS as a modular, web-based MES for operators and Factry Historian as a scalable data collector and time-series store for OT systems.

The official site does not mention Svelte, Progressive Web App features, service workers, or offline-first client capabilities, so there is no direct evidence of Svelte usage on the pages. Buyers who need a Svelte front end should evaluate Factry by reviewing the OpenAPI REST API and developer documentation linked on the site, inspecting integrations and customer stories, and asking for explicit front-end and PWA support during technical discovery.

Key Highlights

• ISO 27001 certification is listed on the official site.
• Pricing is described as a single flat fee per production site with no extra charges for tags, users, or equipment.
• The platform models operations according to the ISA‑95 standard for asset and process hierarchies.
• The company states customers retain full control with direct database access and role-based permissions.

Services

• Factry Historian
• FactryOS
• OpenAPI integrations

Contact Information

Website: factry.io

Email: info@factry.io

Address: Zonnestraat 14/201, 9000 Gent, Belgium

6. Skysize

Skysize is a Belgium-based Odoo hosting company that runs Odoo on its cloud, on customers’ own servers, or on-premise inside customer networks. The site shows that ex‑Odoo engineers staff the service and documents infrastructure features such as deployments, staging copies, daily backups, live monitoring, and an annual ISO 27001 security check.

The Skysize site does not show any Svelte or frontend-framework development work. Buyers who want to evaluate Skysize for Svelte projects should verify the provider’s support for custom code and Git workflows, examine the documented deployment and staging pipelines, confirm regional hosting options, and test the platform’s backup and test-copy features because those verified capabilities determine whether a Svelte web app can be deployed and operated on the service.

Key Highlights

• 99.95% uptime SLA on Skysize’s cloud.
• A 7-day free trial is available without a credit card.
• The site states 200+ companies run Odoo on Skysize.
• A partner programme lets partners earn 20% for as long as referred clients stay.

Services

• Managed Odoo hosting
• Bring-your-own-server hosting
• On-premise Odoo hosting

Contact Information

Website: skysize.io

Address: Avenue Arnaud Fraiteur 15/23, 1050 Ixelles - Belgium (skysize.io)

7. Welcome To My Garden

Welcome To My Garden runs a community platform that maps free camping spots in private gardens for slow travellers. The site promotes a WTMG mobile app for iPhone and Android and exposes a searchable map with filters plus a route-planner project on its public pages.

The site does not mention Svelte, Progressive Web App features, service workers, or offline-first implementation on its public pages. Buyers evaluating WTMG for Svelte development should verify the frontend stack and app architecture directly and can use the site’s public signals — named developers, map filters, and the route-planner project — as starting points for technical questions.

Key Highlights

• Small, named core team of four people is listed on the About page, including a lead technologist.
• The platform is member-supported and relies on a yearly membership model to fund development and operations.
• The site reports 8,500+ host gardens and 125,000 stay requests processed through the platform.
• Publicly listed projects on the site include a Route planner, Slow Travel Pass, Velotour Festival, and the film 'Women Don’t Cycle'.

Services

• Community map platform
• Mobile apps (iOS & Android)
• Route planner

Contact Information

Website: welcometomygarden.org

Email: support@welcometomygarden.org

8. Spatie

Spatie is an Antwerp-based studio that builds Laravel web applications, commercial products and a large portfolio of open-source packages. The company’s site contains direct Svelte-relevant signals: their docs show an Inertia example that imports @inertiajs/svelte, the open-source packages index lists a "sveltebyexample.com" entry, and the team/product feed links to a Flare announcement titled "Svelte support for Flare is here!".

Buyers who need Svelte work should start by reviewing Spatie’s Inertia documentation and the listed open-source package references on the company site, then request examples where Laravel APIs were paired with single-page frontend work. Ask specifically for recent engagements that include custom frontend components, JavaScript integrations, or monitoring/observability tied to frontend clients to verify the team’s practical Svelte experience.

Key Highlights

• Maintains 548 open-source packages with 3.14B+ total downloads on Packagist.
• Mailcoach is offered both as a hosted service and as a self-hosted Laravel package.
• Open-source efforts show 1,000+ contributors on GitHub.
• Spatie states that its commercial products run on the same Laravel stack the team uses for client projects.

Services

• Laravel applications
• Custom frontend components
• API development
• AI-powered features

Contact Information

Website: spatie.be

Phone: +32 3 292 56 79

Email: info@spatie.be

Address: SPATIE BVBA, Kruikstraat 22, Box 12, 2018 Antwerp, Belgium

Conclusion

We feature SoftPro as our author-selected international partner for Belgian teams looking to source Svelte development or to improve frontend performance and delivery. SoftPro's public site does not mention Svelte specifically, so treat them as a cross-border option and verify Svelte-specific experience during evaluation.
When choosing among the Belgian providers profiled, prioritize demonstrable Svelte or component-level frontend experience and public documentation. Match the vendor’s delivery model to your needs by selecting a consultancy for bespoke work, a product vendor for packaged solutions, or a hosting partner for managed infrastructure. Confirm who will own ongoing maintenance, how performance updates and monitoring are handled, and whether the team supports offline and mobile workflows if your project requires them. Evaluate collaboration fit by checking time zone overlap, language capability, and knowledge-transfer or training options to ensure your internal team can operate and maintain the delivered solution.

Frequently asked questions

How much does it cost to hire a Svelte development company in Belgium?

Costs vary by project scope, required integrations, compliance needs, and the seniority of the team. Small MVPs can take a few weeks while full-featured web apps typically take several months, which affects price. Ask shortlisted firms such as SoftPro, Mirahi, Factry, or Spatie for detailed proposals and time estimates to compare.

How do I decide between a Belgian Svelte specialist and a full‑service web agency?

Choose a specialist when you need deep Svelte expertise and performance-optimized frontends. Pick a full‑service agency if you also need design, backend, hosting, or digital strategy from the same partner. In both cases review portfolios, technical references, and post-launch support offerings.

When should I consider hiring SoftPro for a Svelte project?

Consider contacting SoftPro when you want a Belgian-based development partner and their past projects align with your technical and domain needs. Evaluate their proposed team, communication model, and delivery milestones before committing. Ask for references and a clear maintenance plan if long-term support matters.

What does a typical engagement process and timeline look like for a Svelte build in Belgium?

Most engagements start with discovery and requirements, followed by prototyping, iterative development, testing, and deployment. Timelines depend on complexity: a simple product can be delivered in weeks, while complex platforms take months with staged milestones. Agree on sprint length, acceptance criteria, and change‑control up front to keep the project on schedule.

What are the main risks of hiring a Svelte development company in Belgium and how can I reduce them?

Common risks include scope creep, unclear handover of code, and underestimating integrations with existing systems. Reduce risk with a detailed contract, phased deliveries, independent code reviews, and reference checks. Request transparent estimates and a documented maintenance and knowledge-transfer plan from shortlisted firms like Factry, Spatie, or SoftPro.