
Core Costs of E-Commerce Website Development
Initial Setup Costs
First, there are costs for domain registration, hosting purchase, and fees for software, licenses, and tools needed to create the e-shop. These are the fundamental expenses, and their amount depends on the scope and complexity of the solution, the choice of platform, and the size of the project.
Design Expenses
The design costs of an e-shop comprise the investment in design—brand guidelines, branding codes, and optimization of user experience (UX) and user interface (UI). Keep in mind that an e-commerce website must not only look good but also be functional so that customers can navigate it easily and quickly. Professional graphic design services may add to the overall cost of e-commerce website development.
❗However, it is important not to skimp on design as proper placement of CTA elements, use of colors, and UX/UI design significantly increase the value of a high-converting online store.
Development Costs
The development phase includes everything from coding to setting up the backend and frontend. The costs of e-commerce website development are influenced by the number of features you require. For instance, developing a custom B2B e-commerce website will be more costly because it entails advanced functionality compared to a simple B2C platform with basic features.
Ongoing Expenses
An e-shop is not just a launch pad. To sustain e-commerce sales growth in today’s dynamic e-commerce environment, businesses need to allocate funds for maintenance and operational expenses. These include fees for developer services or module updates.
Maintenance Costs
This is normal and applies to e-commerce operations where software updates, module maintenance for open-source solutions, and security system upgrades are required. Moreover, meeting market trends and customer demands through regular improvements to your e-shop’s features will help ensure long-term success.
Security Costs
As cyberattacks become more frequent and devastating, it is important to invest in website security. Online businesses place a high priority on data protection; thus, the costs for SSL certificates, customer data security, and regular security audits are essential expenses.

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Factors Affecting Development Costs
What is the biggest factor that affects the cost of developing an e-commerce website? A number of factors affect the final price of an e-shop, and the following are the key factors that affect development costs the most.
Platform Selection
Platform selection is a critical decision that greatly impacts the final investment cost of the e-shop. You can choose between SaaS solutions, open-source platforms, or custom development.
If you are going for an open-source platform such as WooCommerce, it is one of the most affordable solutions in terms of development. Compared to custom development, SaaS solutions are generally cheaper at the beginning.
However, this solution can be very problematic in terms of scalability and high traffic, and you might still have to invest in another solution as your business grows.
Required Features
Another factor that affects the price is the functionality that the client wants, for instance, multicurrency, advanced search, loyalty programs, upsell and cross-sell, and others. The higher the complexity of the feature requirements, the higher the development costs and the longer the development time, especially for custom solutions.
Such features are often included in open-source platforms and SaaS solutions, while custom development requires building them from scratch.
Scale of Operations
The bigger your business, the more complex your website’s design, category structure, and overall development process will be. Large e-commerce stores usually require complex integrations, more servers, additional features for traffic management, and large product catalogs.
Developer Expertise
Besides selecting the right platform, the right development partner is just as crucial. When making your decision, consider their experience, reviews, projects they have completed, and availability. Hiring an experienced development team may require a higher investment, but you gain professional knowledge and expertise.
In case of issues, such a team can provide quick and professional support. Working with a knowledgeable development team ensures that you get a robust, reliable, and secure e-commerce store for the future.
Conclusion
In conclusion, it is important to understand both the initial and ongoing costs of developing a successful e-commerce website. Along with the initial costs of registration of the domain and hosting, design and development, maintenance, and security – each is a key contributor to your online store’s success.
The final investment will depend on your choice of platform, the features you need, your business scale, and the level of developer expertise you require.
Nonetheless, it is important not to try to save money by cutting corners where it matters most – on design, security, and experienced developers. So that you are able to build an e-commerce store that can not only meet your present needs but also grow with your business in the future, it is important to plan your budget accordingly with these factors in mind.

Source: Depositphotos
Frequently Asked Question
What are the key factors that affect the cost of an e-commerce website?
Choice of platforms – SaaS solutions have monthly fees, open-source platforms are the golden mean, and custom development requires the highest costs.
Functionality and customization – the basic e-shop is cheaper, advanced functions (personalization, integration with ERP/CRM, AI recommendations) increase the price.
Design and UX/UI – solution designs are cheaper, custom designs are expensive.
Hosting and performance – shared hosting is cheap, but larger e-shops require dedicated servers or cloud solutions
What are the ongoing expenses for maintaining an e-commerce website?
Hosting and domain – annual or costs from €50 (basic hosting) to hundreds of euros per month for powerful servers.
Licenses and subscriptions – fees for platforms, modules, plugins and extensions.
Security updates – regular patches, monitoring and data backup.
Technical support and development – bug fixes, implementation of new features, content management.
Marketing and advertising – PPC campaigns, SEO optimization, e-mail marketing.
Payment gateways and transaction fees – e.g. Stripe, PayPal, which charge % of transactions.
How does the choice of platform impact the cost of an e-commerce website?
SaaS platforms – lower initial costs, regular monthly fees, limited customization options.
Open-source solutions (e.g. WooCommerce, Magento, Open Source) require own hosting, higher development costs, but full control over the e-shop.
Custom custom development – the most expensive option, but offers maximum flexibility.
Why is investing in design and security important for an e-commerce website?
Design and UX/UI – an attractive and intuitive site increases customer trust and conversion rate. A poorly designed e-shop can lead to a high bounce rate.
Load speed – slow pages discourage customers and negatively affect SEO.
Security – Protecting sensitive data is critical to preventing data breaches and cyber attacks.
Customer trust – SSL certificates, two-factor authentication and GDPR compatibility increase credibility.
What is the average cost of developing an e-commerce website?
Development costs vary depending on the choice of platform, functionality and other client requirements. Prices can range from €50-50,000