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Portfolio

A few concrete projects.

Infrastructure hardening, showcase websites, managed hosting: a sample of the work we deliver for our Swiss and international partners.

Confidential
Real estate investment firm

Server infrastructure & inter-branch VPN

Context

Multiple branches needed to share files and business apps without exposing traffic to the public network.

Solution

Dedicated server infrastructure and encrypted site-to-site VPN tunnel between branches. Operations delegated to the ZRS team.

Result

24/7 encrypted private connection, proactive supervision, full service continuity over the past year.

InfrastructureNetworkVPN
Swiss industry
CeramJoux SA

Full workstation renewal

Context

Full replacement of a critical workstation: hardware, OS, business software and user data, without service interruption.

Solution

Off-site preparation, data migration, on-site deployment, user training. Documentation handed over to the customer.

Result

Live in less than half a day, zero data loss, user fully autonomous immediately.

HardwareWindowsMigrationOn-site
Confidential
Industry, Inspection drones

Email security, DMARC, DKIM & SPF

Context

Roll-out of a complete email security policy to protect the client’s domain from spoofing and phishing.

Solution

SPF configuration (authorised senders), DKIM (cryptographic email signing) and DMARC (reject policy for non-compliant mail). End-to-end tests and validation.

Result

Domain protected against spoofing, optimised email deliverability, full alignment with modern security standards.

SecurityEmailDMARCDKIMSPFDNS
Rust PVE server, gaming community
Rust Oase

Tailor-made Next.js showcase website

Context

The Rust Oase community, an international PVE server, needed a professional showcase website to present its rules, wipe schedule and bring its players together around a coherent brand.

Solution

Tailor-made Next.js website (SynWeb), design fitted to the server’s universe, managed hosting on ZRS infrastructure, continuous monitoring.

Result

Turnkey delivery, dedicated online presence for the community, high availability and responsive ZRS support.

SynWebNext.jsSwiss hosting
Visit website rustoase.de
Confidential
Drones, industrial inspection

Windows image deployment for a workstation fleet

Context

A Swiss industrial drone company wants to prepare and refresh its Windows workstations faster, and identically from one machine to the next.

Solution

An image deployment server hosted by ZRS-Holding: one base image per hardware profile, installed over the network.

Result

Project in preparation. Nothing delivered yet.

DeploymentWorkstationsSwiss hosting
Transport & logistics
Perraudin Logistics

Full showcase website redesign

Context

The site was hosted on Infomaniak Site Creator: inflexible, poor SEO, no blog or newsletter.

Solution

Migration to a custom technical base (SynWeb), reworked SEO, with an integrated blog and newsletter.

Result

Live since 23 August 2026, with better visibility and full editorial autonomy.

SynWebSEOBlog
Visit website perraudinlogistics.ch
Prevention & guidance
Clairevoie

Information & guidance website

Context

A newly formed association needed a multi-page site to inform and guide without collecting sensitive data.

Solution

Custom website hosted in Switzerland, designed to inform without accounts or trackers.

Result

Site live and freely accessible, meeting the sector’s confidentiality requirements.

SynWebHosting CH
Visit website clairevoie.ch
E-commerce / Printing, Vaud
AlpPrint

Swiss-made printing e-commerce platform

Context

Launch of a Swiss-made print workshop in Le Chenit (VD), stickers, apparel, 3D printing. Need: a complete e-commerce stack with online configurator, Twint + card payment, customer area, back-office and PDF invoicing.

Solution

Next.js 14 + Tailwind site hosted on Infomaniak. Upload + preview configurator, real-time tiered pricing, Paiement par facture (Twint included), full admin CRUD, customer space with auto PDF invoices, SEO blog and Product JSON-LD.

Result

Online shop shipped within weeks, 16 configurable products, Swiss-made SEO in place, local payment and automated PDF invoicing for every order.

E-commercePrintSwiss MadeNext.js
Visit website alpprint.ch
Calyspa

Website, online shop and supplier connections

Context

Calyspa needed a website in its own image, an online shop and links with its suppliers.

Solution

Website live at calyspa.ch with an admin panel run by the client. Online shop in preparation. Supplier connections under study.

Result

Website live. Shop: opening soon. Supplier connections: under study, none in service.

SynWebShop (in preparation)
Visit website calyspa.ch

A project in mind?

Let’s talk. Most of our engagements start with a 30-minute conversation.

Portfolio, ZRS-Holding case studies