Discover the top 6 software and app development companies in Slovenia and Ljubljana in 2025. Explore trusted firms for custom digital solutions.

Source: https://easifytechnologies.com/software-app-development-companies-slovenia/

Insights Company round-ups

6 Best Software and App Development Companies in Slovenia

4 June 2025 5 min read

Slovenia is quickly emerging as a hub for innovative tech talent and cutting-edge digital solutions. From sleek mobile apps to complex enterprise software, Slovenian development companies are delivering world-class products for clients across the globe. In this blog, we highlight the best software and app development companies in Slovenia that stand out for their expertise, creativity, and client satisfaction. Whether you're a startup or an enterprise, these firms can help turn your digital ideas into reality.

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1. Easify Technologies

• Website: easifytechnologies.com
• Location: Budapest, Hungary (works remotely with clients across Europe)
• Rate: €25–45 per hour
• Minimum project: €1,000

Easify Technologies is a software and web development team based in Budapest, Hungary; we have no team in Slovenia, and work with Slovenian businesses remotely. Ljubljana is on the same Central European Time, and projects run in English. We design and build web applications and digital products, from the first screens to launch.

Easify won ReactJs (Hungary) at the TechBehemoths Awards 2024 and 2025. For an example of product work, Meetlyr is a social discovery app that arranges real-world meetups; we designed the product and built the site that explains how it works.

This ranking is ours and so is the top spot, which is why we have given you verifiable facts here instead of a sales line.

Client Reviews:

• I was very happy with overall my website. Easy to understand and work and update my website. It was very nice that Shaghil explained and arranged every thing for me. I also like user friendly of website, good customer service and commitment I received. — Saeedeh Soleimani, Coach & Consultant
• It was really good working with Easify Technologies, Shaghil and his team, because they were attentive to our needs. It was collaborative, and as a client I can follow track the progress of the project. We used a project management tool, so things were visible and efficient. If you are looking for updates on your website, I highly recommend the Easify team to do the job for you! — Mary Grace Gasco, CEO
• These guys are great workers, full of knowledge and dedication. I have been working with them for more than 1 year with several websites, and planning to stay longer. Reliable and trustable company. Recommendable — Sergio, Founder & CEO

2. Kaldi

• Website: kaldi.si
• Location: Ljubljana, Slovenia
• Team Size: 10 - 49
• Description: Kaldi is a boutique software development company in Ljubljana with over 12 years of experience. They specialize in building scalable digital products like SaaS platforms, online marketplaces, and video-based platforms. Their people-first approach and expertise in cloud-based applications make them a top choice for startups and scale-ups. Kaldi’s designs are praised for being user-friendly and reliable, earning them a strong reputation.
• Min. Project Budget: $50,000+
• Avg. Hourly Rate: $50 - $99 / hr
• Client Reviews:

EdTech Company (CEO): "Their team was highly professional and communicative, delivering top-notch solutions."

• Linen Rental & Mgmt Co (CEO): "The web app significantly improved our operations; a pleasure to work with."
• Labeling & Artwork Management Company (Senior Product Manager): "Remarkable expertise ensured timely and budget-friendly delivery."
• Identity Solutions Firm (Engineering Manager): "Impressive code quality and ability to handle complex requirements."

3. Zerodays

• Website: zerodays.dev
• Location: Ljubljana, Slovenia
• Team Size: 10-49
• Description: Zerodays is a dynamic software development team in Ljubljana, specializing in custom mobile and web apps, AI-driven solutions, and MVPs. Their end-to-end approach ensures clients are supported from ideation to delivery. Known for innovative and user-centric designs, they are ideal for businesses seeking tailored digital solutions with a focus on AI and automation.
• Min. Project Budget: $10,000+
• Avg. Hourly Rate: $50 - $99 / hr
• Client Reviews:

"They filled all the gaps in our concept and turned it into reality."

• "Transformed my initial idea into a winning MVP with a stunning landing page."
• "Exceptionally smart and well-organized developers with accurate task estimates."

4. Higroup

• Website: higroup.si
• Location: Ljubljana, Slovenia
• Team Size: 10-49
• Description: higroup is an innovative software consultancy in Ljubljana, passionate about crafting cutting-edge digital products. They specialize in web software development, product discovery, cloud computing, and UI/UX design. Their collaborative approach and daring spirit make them a leader in creating impactful solutions for diverse industries.
• Min. Project Budget: $50,000+
• Avg. Hourly Rate: $50 - $99 / hr
• Client Reviews:

Xentral ERP Software GmbH (Marketing Lead): "Their UI/UX designs were user-friendly and visually appealing, enhancing our website’s flexibility."

• "higroup’s dedication to our project’s success was impressive, with excellent communication."
• "Their innovative approach pushed our project beyond expectations."

5. 4WEB

• Website: 4web.si
• Location: Trzin, Slovenia
• Team Size: 10-49
• Description: 4WEB is a digital agency in Trzin, near Ljubljana, offering creative solutions like web advertising, design, B2B/B2C sites, e-commerce, and software development. Their focus on quality, transparency, and reliability ensures exceptional customer digital experiences. They are particularly noted for their professional and visually appealing web designs.
• Min. Project Budget: $5,000+
• Avg. Hourly Rate: $50 - $99 / hr
• Client Reviews:

Belmondo Kompas Celje: "Created a website exactly as we envisioned, both in look and function."

• Kopitarna Sevnica: "Very satisfied with our new online store; reliable and professional."
• Feelif: "Crafting our versatile product’s website was a true art; highly recommended."

6. Positiva

• Website: positiva.si
• Location: Ljubljana, Slovenia
• Team Size: 10 - 49
• Description: Positiva specializes in Bespoke Software Development and Custom App Development, particularly excelling in tailoring software solutions like ActiveCampaign for specific industry needs.
• Min. Project Budget: $5,000+
• Avg. Hourly Rate: $50 - $99 / hr
• Client Reviews:

"They didn't make unrealistic promises for deadlines that cannot be guaranteed."

• "They are constructive, agile, and focused on finding good solutions."
• "They had good references, and their offer was highly competitive."

From Budapest, for teams in Slovenia

Have a software or app idea for your Slovenian business?

We work with clients in Ljubljana and the rest of Slovenia remotely from Budapest, on the same time zone. Tell us what you want built, who will use it, and whether you are starting from scratch or improving something that exists. We reply within one business day.

Start a conversation ↗ Application Development

Recent builds

• [

  

  Meetlyr · SaaS & AI

  Product Design and Build for a Social Discovery App

  • UI/UX

  • WordPress

  • React

  ](https://easifytechnologies.com/case-study/meetlyr/)

• [

  

  Dealtous · Marketplace

  Marketplace Development for Buying and Selling Digital Businesses

  • Marketplace

  • Next.js

  ](https://easifytechnologies.com/case-study/dealtous/)

• [

  

  Renta Stay · Property

  Next.js Booking Platform for UK Serviced Accommodation

  • Web app

  • Next.js

  • React

  ](https://easifytechnologies.com/case-study/renta-stay/)

FAQs

Tips for Choosing the Best Company

• Review Portfolios: Examine past projects to ensure their style and expertise match your needs.
• Check Client Feedback: Reviews provide insights into reliability, communication, and quality.
• Discuss Requirements: Clear communication ensures the company understands your goals.
• Evaluate Expertise: Choose a company with specific experience in your project type, such as AI, mobile apps, or web development. If you need a first product built rather than an established one extended, our comparison of MVP builders across Central and Eastern Europe is a useful second shortlist.

Looking for a Software and App Development company in another city?

• Software and App Development Company in Vienna
• Software and App Development Company in Warsaw
• Software and App Development Company in Bratislava
• Software and App Development Company in Budapest

On this page

• 1. Easify Technologies
• 2. Kaldi
• 3. Zerodays
• 4. Higroup
• 5. 4WEB
• 6. Positiva
• FAQs
• Tips for Choosing the Best Company
• Looking for a Software and App Development company in another city?

Frequently asked

How do I choose the best software development company?

Consider their experience, portfolio, client reviews, team size, and expertise in your project’s needs. Discuss your requirements directly to ensure they align with your vision.

What is the average cost of a software development project in Slovenia?

Costs vary based on project complexity. Minimum budgets start at €1,000, but larger projects may require custom quotes, often on request.

Are these companies experienced in AI and mobile app development?

Yes, companies like zerodays and Kaldi specialize in AI and mobile apps, while 4WEB and higroup also offer mobile app development expertise.

Keep reading

• [

  

  Top AI Chatbot Companies in Prague Revolutionizing Customer Conversations

  ](https://easifytechnologies.com/top-14-ai-chatbot-companies-in-prague/)

• [

  

  8 Emerging Generative AI Companies in Prague to Look Out For

  ](https://easifytechnologies.com/rising-generative-ai-companies-in-prague/)

• [

  

  AI Consultants in Prague: Who to Hire for Cutting-Edge Solutions

  ](https://easifytechnologies.com/ai-consultants-in-prague-for-your-business/)

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