Web & design

PrestaShop in Switzerland: prepare your online store

Practical guide to launching and optimizing a PrestaShop store in Switzerland: technical requirements, 8.1% VAT, PostFinance Checkout and TWINT, and EWM Geneva services.

June 2, 2025 by ewm

Building a High-Performance PrestaShop E-Commerce Store in Switzerland

Launching a successful online store in the Swiss market requires a precise balance between technical performance, user-centered design, and seamless integration with local requirements. Whether displaying prices in Swiss Francs (CHF), supporting multiple official languages, or offering familiar payment methods, the open-source PrestaShop platform provides a solid framework. This guide outlines the essential architectural choices, configurations, and best practices needed to structure your e-commerce project in Switzerland.

1. Server Setup and Technical Requirements for PrestaShop 9

Check the selected release’s requirements in the PrestaShop documentation, then test your configuration. Meeting requirements does not guarantee store speed.

Requirements to check

Compatible PHP and database versions and required extensions depend on the exact PrestaShop release. Check the compatibility matrix and your modules before installing or updating. Compatibility with PrestaShop 9.1 does not prove compatibility with 9.0.

Test catalogue, search and checkout with representative load. Compare response times and resources actually used rather than choosing only a minimum memory value.

2. Tax Setup and Currencies: Applying Swiss VAT

Configuring Value Added Tax (VAT) and currency settings correctly is essential before launching your online shop.

Applicable Swiss VAT Rates

In accordance with guidelines issued by the Federal Tax Administration (ESTV/AFC), the current VAT rates in Switzerland are as follows:

Standard Rate

8.1% applied to most goods and services.

Reduced Rate

2.6% covering basic goods such as food items, medicines, books, and newspapers.

Special Rate

3.8% specifically designated for accommodation services.

If your business must charge VAT, configure rules for the applicable products, destinations and regimes. Check several baskets with your accountant. Not every item uses the standard rate.

Currency Management and Price Display

Choose currencies according to your markets; CHF is relevant for a store targeting Switzerland. If you serve cross-border or international customers, you can enable the Euro (EUR) as a secondary currency with updated conversion rates. Ensure that the total order amount, including applicable taxes and shipping fees, is clearly displayed before final order confirmation.

Fictional Example: A Geneva-based merchant selling outdoor sports gear configures CHF as the main currency, applies the standard 8.1% VAT rate, and displays shipping options during the first checkout step.

3. Integrating Local Payment Methods: PostFinance Checkout and TWINT

Smooth checkout experiences directly influence conversion rates. Swiss shoppers expect trusted, familiar local payment options.

Check the provider and module

Compare expected payment methods, contracts, fees and refunds. For PostFinance Checkout or another provider, check the methods actually included in your offer and module compatibility with your release. Test accepted and declined payments, cancellation, refunds and return to the store.

4. Web Ergonomics and UX Design Heuristics

Providing a seamless user experience across desktop and mobile devices helps visitors navigate your catalog efficiently.

Understanding Design Heuristics

Web design heuristics — such as clarifying main navigation, highlighting primary call-to-action buttons, or streamlining checkout forms — should be viewed as adaptable guiding principles rather than rigid rules applicable to every scenario. Every e-commerce project benefits from testing interface choices with actual users and measuring performance through analytics tools.

Localized Delivery Forms

For Swiss addresses, check four-digit postcodes and international phone numbers. Do not require a canton unless delivery needs it. If you ship abroad, adapt validation to other formats.

5. Security, Maintenance, and AI Assistant Limits

Protecting your online store and managing customer support require clear operational procedures.

Security Hygiene and Ongoing Maintenance

Website security is never automatic or guaranteed by default; it relies on consistent preventive measures, in line with PrestaShop security best practices:

Maintain strict credential management and enforce strong password policies.

Assign restricted access profiles according to individual staff responsibilities.

Keep the PrestaShop core and all installed modules regularly updated.

Schedule frequent, automated backups of both database and site files.

Deploying AI Assistants: Scope and Human Escalation

Integrating an AI-powered conversational assistant can automate routine customer inquiries (order tracking, business hours, return policies). However, the assistant must operate within defined functional boundaries. A straightforward option to transfer inquiries to a human customer service representative should always be available whenever requests become complex or require manual review.

6. Prepare launch and ongoing costs

Include catalogue, translations, payments, stock, delivery and returns in the budget. Test backup restoration, notifications and a complete order in French and English. Assign updates and incidents to an owner. For 2027, anticipate renewals and module changes.