Web Development Agency

Digital platforms and portals for your business

Our services for your plattform

  • Platform as a business application

    Platform as a business application

    Procurement platform, service platform or process hub, we design and develop progressive business applications for you. Our solutions bring your business forward.
    Show MoreShow Less
  • cms-headless-cms-agency

    CMS Systems and Headless CMS Systems

    We implement modern CMS and headless CMS systems for your platform solution. Whether website development, portal or service platform for your target groups, we will find the right solution for your business. SUNZINET is your CMS agency.
    Show MoreShow Less
  • ux-ui-agency

    UX & UI Design

    We provide excellent user experiences and interface designs for usability and optimal website performance.

    Show MoreShow Less
  • App-development-agency

    App Development

    We design and develop web apps as well as native iOS and Android apps tailored to your goals.
    Show MoreShow Less
  • Individual-software-development

    Individual Software development

    We develop individual software, customized web applications and personalized business applications for your success.

    Show MoreShow Less
  • Enterprise Architecture Consulting

    Enterprise Architecture Consulting

    Within the framework of enterprise architecture consulting, we work with you to build modern and sustainable system landscapes.
    Show MoreShow Less

Our Customers

frisches paradice

Unsere Arbeit überzeugt


Bei der Neugestaltung unseres Shops und dem Relaunch der Webseite hätte leguano keinen besseren Partner finden können

"Wir sind sowohl von der Zusammenarbeit als auch vom Ergebnis rundum begeistert! Das Team von SUNZINET stand im permanenten Austausch mit uns und konnte so umgehend auf Bedürfnisse, Wünsche und Herausforderungen regieren. Das Ergebnis: Echter Mehrwert. Vielen Dank für die Geduld bei der Entwicklung und den kreativen wie professionellen Rat bei der Umsetzung unseres neuen modernen Markenauftritts. Wir freuen uns auf weitere gemeinsame Projekte!"

Fabian Welke Marketing Manager, Leguano

Mit der Entscheidung für SUNZINET haben wir die richtige Wahl für unser Unternehmen getroffen

"Eine hohe Beratungsqualität bei der Neu- und Weiterentwicklung unserer Website sowie tolle Anregungen für neue Wege im Inbound Marketing mit Tools, die unsere Effizienz und Effektivität steigern helfen – wir sind sehr zufrieden und sehen uns für die Zukunft bestens aufgestellt."

Dietmar Bernstein Senior Marketing Manager, Unger

Wir sind mit unserem neuen Online-Shop mehr als zufrieden!

"Der Shop ist leicht bedienbar, sieht sehr schick aus und hat darüber hinaus die Arbeit unserer Kollegen extrem vereinfacht. Die Zusammenarbeit mit SUNZINET lief reibungslos und wir haben genau das Ergebnis erhalten, das wir uns gewünscht haben.""

Frank Wintergerst Head of E-Commerce, WOFI LEUCHTEN

We care & we deliver


In SUNZINET we have found the optimal partner for the realisation of our corporate website.

"Because our all-round successful cooperation is characterised in particular by the spirit that is so important for coeo: dynamic and flexible, always striving for high quality and efficiency. This enabled us to position ourselves strongly in international competition in a very short time. We look forward to a long-term cooperation with further exciting challenges!"

Sebastian Ludwig Managing Director, Coeo

With the decision for SUNZINET, we have made the right choice for our company

"A high quality of consulting for the new and further development of our website as well as great suggestions for new ways in inbound marketing with tools that help increase our efficiency and effectiveness - we are very satisfied and see ourselves well positioned for the future."

Dietmar Bernstein Senior Marketing Manager, Unger

With SUNZINET, we have had a reliable partner for our digital transformation at our side for many years

"Together we are continuously improving our digital presence and our digital processes. When working with SUNZINET, we particularly appreciate the strong expertise and the open communication at eye level. We are looking forward to our further, future projects!"

Carsten Huber Head of Marketing, Simonswerk

Why Web development with SUNZINET?

  • Measurable results
    We deliver measurable results and set your KPIs as targets.
  • Expert Knowledge

    Our experienced developers and designers ensure your website or app is equipped with the latest best practices and designs. For optimal user experiences.

  • Future-proof technologies  

    With us on your side, you have a broad partner portfolio of technology providers at your disposal.

  • Reliability and Support

    We also back your web presence with long-term support, with personal contacts. 

  • Transparency and agility

    We work in agile teams - which enables efficient work. For us, a MUST in the digital industry.

  • Team on Demand
    We flexibly adapt to your needs and put together a team that is tailored exactly to your requirements.

Web Development Agency SUNZINET:
Some of our Experts

Sebastian Spill - Chief Technology Officer - SUNZINET

Sebastian Spill

Chief Technology Officer
  • csm typo3 badge
Kevin Bintzik - Knowledge Lead Enterprise Architecture & Senior Developer - SUNZINET

Kevin Bintzik

Knowledge Lead Enterprise Architecture
  • Google Cloud Certified Cloud Architect
Stephan Schmitz - Product Owner & Knowledge Lead JavaScript Frameworks - SUNZINET

Stephan Schmitz

Knowledge Lead JavaScript
Kajetan Zyskowskin - Senior Developer & Lead Developer - SUNZINET

Kajetan Zyskowskin

Senior Developer
  • vue.js logo transparent

You want to digitize your project?

Let's talk in person about your web development challenge!
Just fill out the form and we'll get back to you, either by phone or with a non-binding appointment proposal.

Simona Mayer
Head of Business Development


+49 221 / 355 009 0

  • What are the meanings of UX, UI and CX stand for? 

    Show More

    UX stands for User Experience and describes the user experience of users on a website.  

    UI Design focuses on the visual design of an interactive application.

    CX stands for Customer Experience and focuses on the overall experience of the customer.

  • What does CMS mean?  

    Show More

    CMS stands for Content Management System. CMS are programs in which content is created, edited and published. The content can consist of texts or multimedia documents.   

  • Which CMS systems are available?  

    Show More

    Choosing the right CMS system is not that easy. There are up to 300 different CMS systems on the market. The most popular among them are TYPO3, Contentful & Wordpress.   

  • What are Headless CMS?  

    Show More

    In contrast to the traditional CMS, a headless CMS does not have a front end, but only a back end. Contents are stored in a structured way. Thanks to APIs (interfaces), the content is played out in a formatted way. Headless CMS systems enable an efficient design of the uniform digital experience.  

  • What business applications are there?

    Show More
    Typical examples of business applications include enterprise resource planning (ERP) systems, customer relationship management (CRM) systems, supply chain management (SCM) systems, human resource management (HRM) systems, business intelligence (BI) systems, and collaboration tools.