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Online Store Builder · Celje, Slovenia

E-Commerce Website Development in Celje, Slovenia

Your online store is planned, designed and coded for your business model — not adapted from someone else's — and it can ship with a customer or staff mobile app on day one. Checkout with Visa and Mastercard and Flik mobile payments, delivery through Pošta Slovenije or your own team, and VAT-ready invoicing.

  • Web platform + Android/iOS app
  • Visa and Mastercard and Flik mobile payments
  • Delivery via Pošta Slovenije
  • Demo within 24 hours
Shopper browsing a branded online store on a laptop — Celje

Quick answer

Who builds an online store in Celje, Slovenia?

NNT Mart by N&T Software builds custom online stores and mobile apps for businesses in Celje, Slovenia, designed to each client's requirements. Platforms support Visa and Mastercard, Flik mobile payments and PayPal, ship through Pošta Slovenije and GLS Slovenia, follow the GDPR and the Personal Data Protection Act (ZVOP-2), and come with a free demo within 24 hours of the requirements meeting.

Key takeaways

  • Whatever your business sells in Celje, N&T Software designs and develops the online store and the matching mobile app exactly to your requirements — your catalogue, your prices, your payment and delivery rules.
  • Checkout ready for Visa and Mastercard, Flik mobile payments and PayPal, with delivery through Pošta Slovenije and GLS Slovenia or your own team.
  • VAT-ready invoicing and controls designed around the GDPR and the Personal Data Protection Act (ZVOP-2).
  • Free demo within 24 hours of the requirements meeting; you own 100% of the source code after final payment.

The case for an online store in Celje

Celje is a commercial centre in Slovenia with a population of roughly 37,000, and one of the places where we build online stores for local businesses.

Businesses here work in manufacturing, metals, trade and logistics; many are based around the city centre and the Celje industrial zone.

Logistics are supported by The A1 motorway and the Celje rail junction, which matters when you promise customers fast delivery.

Slovenia has SMEs make up 99% of all businesses in the European Union (European Commission). Slovenia is a compact, high-income EU market where many brands (Elan, Gorenje, Petrol) export. Digital-first shoppers expect eurozone-quality delivery and English/Slovenian storefronts.

Shoppers and trade buyers in Celje already compare options on their phones; an online store that loads fast, shows accurate stock and accepts Visa and Mastercard turns that research into orders.

What makes a Celje store feel local

A store that works in Celje respects local habits as well as local law. These are the details we configure first.

Currency and pricing

The store speaks euro: EUR amounts from product page to invoice, so Celje buyers never convert in their heads.

Language and content

Content can be produced in Slovenian, English and German, so a Celje customer reads the store in the language they use at home.

Local trust signals

Badges for Visa and Mastercard and Flik mobile payments, Pošta Slovenije delivery and clear return terms reassure first-time buyers in Celje.

Domain, phone and contact

Using .si where it suits you signals a local business to shoppers and search engines. Contact buttons are pre-set with +386, so a customer in Celje taps once to call or message.

Talent and partners nearby

Celje draws on Celje campuses of regional faculties, which means plenty of local staff, interns and technology partners to run the store after launch.

An online store built around your Celje business

Your online store is planned, designed and coded for your business model — not adapted from someone else's — and it can ship with a customer or staff mobile app on day one.

Typical clients include D2C start-ups, speciality shops, manufacturers selling direct and grocery and food businesses. Categories that sell especially well online in Slovenia — sporting goods, electronics, fashion and home appliances — get catalogue structures and filters designed for them.

Before any commitment you get a free requirements meeting, a demo built on your use case and a proposal priced to your budget.

Core modules we build for Celje clients

These are the building blocks of an online store. We scope them with you, so you pay for what your Celje operation needs.

Branded storefront

A fast, mobile-first design on your own domain with your colours, typography, banners, landing pages and SEO-ready category structure. Stock can be held in Celje or anywhere in Slovenia, with pickup and local-delivery options where they make sense.

Catalogue manager

Categories, brands, variants, bundles, specifications, images, videos and bulk import/export so your team can manage thousands of SKUs. Reports show which products, customers and areas of Celje drive revenue.

Checkout and payments

Guest and account checkout, local payment gateways, wallets, bank transfer, cash on delivery, coupons and abandoned-cart recovery. Pages, search filters and wording are tuned to how people in Celje look for products, in Slovenian and English if your audience needs it.

Orders and fulfilment

Order confirmation, packing slips, courier booking, tracking links, cancellations, returns, refunds and customer notifications. Product data imports from your existing sheets or ERP, so Celje teams do not re-type thousands of items.

Inventory and locations

Stock by warehouse or store, low-stock alerts, store pickup, local delivery zones and sync with your existing inventory system. Checkout is configured for Visa and Mastercard, Flik mobile payments and PayPal.

Growth and reporting

Promotions, loyalty, reviews, email and WhatsApp campaigns, plus dashboards for revenue, products, customers and conversion. Couriers such as Pošta Slovenije, GLS Slovenia and DPD Slovenia plug in alongside your own fleet for Celje orders.

Industries in Celje we work with

Popular online categories in Slovenia include sporting goods, electronics, fashion, home appliances, food and wine and pharma and health. Local demand in Celje is shaped by manufacturing, metals, trade and logistics, so we often design catalogues and B2B ordering around those sectors. In Celje, we most often build online stores for:

Retail brands

Retail brands get branded storefront plus checkout and payments workflows tailored to their operations.

D2C start-ups

We map how D2C start-ups sell today and digitise it end to end — from enquiry and order to payment, dispatch and repeat purchase.

Speciality shops

For speciality shops, we usually start with orders and fulfilment, then add accounting and GST/VAT invoicing once orders are flowing.

Manufacturers selling direct

Catalogue, pricing and fulfilment rules designed for manufacturers selling direct in Celje, connected to the systems you already use.

Grocery and food businesses

Grocery and food businesses get inventory and locations plus branded storefront workflows tailored to their operations.

Multi-outlet retailers

We map how multi-outlet retailers sell today and digitise it end to end — from enquiry and order to payment, dispatch and repeat purchase.

Payments customers in Celje expect

An online store for Celje must support the way people here actually pay: Visa and Mastercard, Flik mobile payments, PayPal, Apple Pay and Google Pay, bank transfer and Revolut.

We integrate suitable gateways and providers for your business category and merchant eligibility, handle payment status, failed-payment retries and refunds, and keep sensitive card data with the provider rather than on your servers. All amounts are shown in euro (EUR).

For Celje customers ordering from the city centre and the Celje industrial zone, cash-on-delivery and pay-on-pickup rules can be set per delivery zone.

  • Apple Pay and Google Pay
  • Visa and Mastercard
  • Bank transfer
  • Flik mobile payments
  • PayPal
  • Revolut

Delivery and fulfilment from Celje

Your online store can book shipments and share tracking with Pošta Slovenije, GLS Slovenia, DPD Slovenia, Overseas, Hrvatska pošta (cross-border) and Box Now lockers, or route orders to your own riders and stores across Celje.

Delivery rules can price by distance, weight, postcode or zone, offer same-day slots in dense areas, and switch on pickup points or click-and-collect where customers prefer them.

Connectivity in the area — The A1 motorway and the Celje rail junction — makes regional and national dispatch from Celje practical.

Marketplaces vs. your own online store in Celje

Many Celje sellers already list on Bolha.com, Mimovrste, Amazon.de, Zalando, Bigbang and Vinted. Those channels bring traffic, but they also take commission, control the customer relationship and change rules without notice.

NNT Mart gives you a channel you own: your domain, your customer list, your pricing and your brand. Where it helps, we connect product feeds and orders from marketplaces so stock stays in sync and your team works from one dashboard.

Selling online legally in Slovenia

On tax: Slovenia charges 22% VAT with 9.5% and 5% reduced rates, and uses the EU One-Stop Shop for B2C sales.

On privacy we design around the GDPR and the Personal Data Protection Act (ZVOP-2), enforced by the Information Commissioner; on consumer rights the store reflects the Consumer Protection Act and the Electronic Commerce Market Act, with 14-day withdrawal rights.

We build the technical controls — tax-inclusive pricing, compliant invoices, consent banners, terms and return pages, data-access roles and audit logs. We are not a law firm, so final legal and tax positions should be confirmed with your own adviser in Slovenia.

Take your Celje store onto customers' phones

Phones carry most traffic in Slovenia. A customer shopping app for Android and iOS can share the same catalogue, cart, offers and order history, with push notifications for drops, price alerts and delivery updates.

Apps are published under your own developer accounts and share the same backend as your online store, so offers, stock and orders are always consistent between web and mobile.

Order alerts, offers and abandoned-cart reminders go out on Celje time (UTC+2), in Slovenian and English if you want.

  • Courier and shipping aggregators
  • Google Analytics 4 and Merchant Center
  • CRM and email marketing
  • Payment gateways and wallets
  • WhatsApp Business API
  • ERP and inventory software
  • Accounting and GST/VAT invoicing
  • Meta and TikTok catalogues

Integrations above are examples; we connect any system that offers a suitable API, database access or approved import and export process.

How we phase your online store

We launch the journeys that create value first, then add depth. A typical roadmap for an online store in Celje:

PhaseWhat goes live
Launch storeStorefront, catalogue, checkout, payments, shipping and admin go live. Configured for EUR, Visa and Mastercard and Pošta Slovenije from the start.
GrowPromotions, loyalty, reviews, marketing integrations and SEO content.
ScaleMobile app, marketplace feeds, multi-warehouse and ERP sync. Reviewed against how Celje customers actually buy.

We track conversion rate, average order value, cart abandonment, repeat-purchase rate, page speed (Core Web Vitals) and return rate on a live dashboard from day one, so Celje results are visible, not promised.

How Celje clients work with us

Our team covers UTC+2 — 3h 30m behind India (IST) — through three 8-hour shifts, so a Celje client always reaches someone during the local working day.

Project communication is in English; storefront content can be produced in Slovene. You get a named lead, direct engineer access and an NDA if you ask.

Our head office is in Chhapi, Gujarat, with an office in Hyderabad and representation in Nigeria, South Africa, Ethiopia and Zambia; Celje clients are served remotely with on-site workshops when the project needs them.

Celje — local market for online stores
Celje · Photo: Wikimedia Commons
Retail clothing store whose range is now sold online — Celje

Celje — the market we build for

Celje — online stores for local businesses
Celje · Photo: Wikimedia Commons
Celje — online stores for local businesses
Celje · Photo: Wikimedia Commons
Shop owner opening a local store that now also sells online — Celje
Online Store Builder

How we work

How an online store project runs with N&T Software for Celje

Your online store is designed and built to your specification through seven clear stages. Daily updates, weekly reviews and a signed acceptance at each milestone keep the project transparent from the first workshop to the support desk.

  1. 01

    Discover

    ✓ Scope signed off

  2. 02

    Design

    ✓ Store UX approved

  3. 03

    Build

    ✓ Sprint accepted

  4. 04

    Secure & Test

    ✓ Sale-day ready

  5. 05

    Deploy

    ✓ Store live

  6. 06

    Handover

    ✓ Handover signed

  7. 07

    Support

    ✓ SLA active

A milestone payment plan built around acceptance

Milestones are customised to your requirements — six or more is typical, and delivery time is agreed around your scope. Every payment after the advance is released only after you have seen the working result and given written sign-off. Here is an example plan for a online store:

After go-live: warranty, support and a team that stays

Every project includes a free 90-day defect warranty. After that, the same team that built your online store keeps it secure, updated and running on a fixed annual fee agreed up front — no open-ended hourly billing and no surprise invoices.

No lock-in: the platform is yours

For every online store, upon full and final payment the complete source code and intellectual property are transferred to you — so you can host, maintain and enhance the system with any developer.

Read the full Online Store Builder delivery process — reporting, payment milestones, warranty, team and engagement models →

Online Store Builder in Celje — FAQs

Can I also sell on Bolha.com and Mimovrste?

Yes. Your own online store can sit alongside Bolha.com, Mimovrste and Amazon.de; where APIs allow, we sync products, stock and orders so your team manages everything from one admin.

Which payment methods can my online store accept in Celje?

We can integrate Visa and Mastercard, Flik mobile payments, PayPal, Apple Pay and Google Pay, bank transfer and Revolut, subject to provider approval for your business category. Amounts are handled in euro.

Can you build a mobile app along with the online store for my Celje business?

Yes. We build Android and iOS apps for customers, dealers, delivery staff or administrators on the same backend as your online store, and publish them under your own Google Play and App Store accounts.

Can you migrate my existing website or store in Celje?

Yes. We review your current platform, products, customers, orders and URLs, then migrate with redirects so you keep search rankings and order history.

Which couriers do you integrate for deliveries from Celje?

Common choices are Pošta Slovenije, GLS Slovenia, DPD Slovenia, Overseas, Hrvatska pošta (cross-border) and Box Now lockers. We can also route orders to your own riders, stores or warehouses and set rules by zone, weight or delivery slot.

Is the platform compliant with local tax and privacy law in Slovenia?

We build the technical controls — tax-inclusive pricing, compliant invoices and consent management — with the GDPR and the Personal Data Protection Act (ZVOP-2) in mind. Final legal and tax positions should be confirmed with your adviser.

What time zone and language will we work in for a Celje project?

Celje runs on UTC+2 (3h 30m behind India (IST)). We reply within 10 minutes around the clock, meet in your working hours and write storefront content in Slovenian, English and German as well as English.

How much does an online store cost in Celje?

There is no fixed package price: every NNT Mart online store is quoted to your requirements and budget after a free requirements meeting and demo. Cost depends on catalogue size, integrations, payment and delivery rules, mobile apps and support. Payments are split into milestones, and 90% is released only after you accept working modules.

Free demo in 24 hours

Plan your online store in Celje

Tell us what you sell and how you take orders today. We reply within 10 minutes, meet you to understand your requirements, and share a working demo within 24 hours.

We reply within 10 minutes, 24×7. Your details are used only to respond to your enquiry — see our privacy policy.

Tell us what you sell. We will show you a working demo in 24 hours.

Free requirements meeting, a demo built on your use case and a proposal priced to your budget — with no obligation.

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