Full-Service Digitalagentur SUNZINET - Business Applications Web & Cloud_2
CMS & Headless Development Agentur - Frau sitzt auf dem Sofa vor ihrem PC und lächelt

20+ years of experience, 160+ employees in 3 countries

CMS & Headless Development Agency

You want to improve your web performance and win new customers sustainably?
With us at your side and the right content management system, this is possible. We provide individual CMS and platform solutions. We have the right technology in our portfolio to take your web presence to the next level!

Contact us now

Our services as a CMS Agency 

We do not only advise and implement the appropriate CMS solutions in your company, our service as a CMS agency also includes the measurement of success. Continuous further development of the resulting system is a matter of course for us. 

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    Content Management System

    We make sure that you create top-class content easily with the right CMS. With a modern CMS solution, you create unique brand experiences on all channels and accelerate internal processes.

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    Headless Content Management System

    Benefit from state-of-the-art headless CMS technologies. In contrast to a traditional CMS, a headless CMS has no front end, only a back end. Individual solutions and flexibility in the central creation and management of content as well as fast time-to-market thanks to state-of-the-art technologies.  

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    Digital Experience Platform

    You want a next level web presence? Then a Digital Experience Platform (DXP) is the right choice for you. We extend your CMS with DXP software to provide your customers with a personalized customer experience at every touchpoint.

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    CMS Migration

    We also advise and assist you in migrating to a new CMS or headless CMS that meets your needs.

Our Customers: We are growth partners of

Kundenlogo Siemens AG Grün - Digitalagentur SUNZINET-svg
Kundenlogo Zeiss Blau und Weiss- Digitalagentur SUNZINET
Lufthansa Airplus Logo in purple - Full service digital agency SUNZINET
Kundenlogo LANXESS Energizing Chemistry schwarz - Digitalagentur SUNZINET
Kundenlogo AOK-Verlag schwarz/grün - Digitalagentur SUNZINET
Kundenlogo Biontech grün - Digitalagentur SUNZINET
Gerolsteiner Logo - Kundenprojekt - Digitalagentur SUNZINET
Kundenlogo SparkassenZeitung - Digitalagentur SUNZINET
Kundenlogo SWM - Digitalagentur SUNZINET
Kundenlogo Boesner grün - Digitalagentur SUNZINET
Kundenlogo Deutsche Familienversicherung dunkelblau - Digitalagentur SUNZINET
Kundenlogo OBI orange - Digitalagentur SUNZINET
Kundenlogo SUNPOINT schwarz - Digitalagentur SUNZINET
Kundenlogo Yazaki schwarz - Digitalagentur SUNZINET
Kundenlogo KoelnBusiness rot - Digitalagentur SUNZINET
Kundenlogo Deutsche Ärtzteversicherung blau - Digitalagentur SUNZINET
Kundenlogo BERNER Group schwarz - Digitalagentur SUNZINET
Kundenlogo Gerresheimer grün - Digitalagentur SUNZINET
Kundenlogo Stage Entertainment rot/schwarz - Digitalagentur SUNZINET
Kundelogo Gothaer grün - Digitalagentur SUNZINET
Kundelogo Frische Paradies grau - Digitalagentur SUNZINET
Kundenlogo BPW dunkelblau - Digitalagentur SUNZINET
Kundenlogo Canon rot - Digitalagentur SUNZINET
Kundenlogo der Digitalagentur SUNZINET - swarovski-optik-logo
Bosch: Customer Logo of Digital Agency SUNZINET

Your advantages with us as a CMS Agency  

  • Our technical know-how is convincin
    We have extensive technical know-how in-house and can provide you with the best support in selecting and implementing the right CMS. 

  • Successful CMS, Headless CMS & DXP Projects
    We have already measurably and successfully implemented countless CMS and DXP projects with corporations and mid-sized companies across all industries.

  • Team Power

    Our agile teams are reliable partners for the web development, programming, conception and implementation of your website. in doing so, we provide you with your own contact person, so that you are always up-to-date.

  • Handpicked Technology Partners

    We maintain excellent partnerships with CMS, Headless CMS and DXP technology providers. What this means for you is that we have first-hand access to the latest innovations and trends that we use for your web presence. 

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

Professional & outstanding effects

"We have been working with SUNZINET for several years and have successfully implemented various measures and projects. We have become well attuned to each other, so that together we continuously optimize our digital channels. Thus, we can excellently address and inform our customers worldwide with our modern internet presence."

Katrin Köster Head of Company Communication, BPW

SUNZINET's commitment is outstanding

"As a company, we have great tasks ahead of us in many areas. Together with sunzinet, we develop sustainable strategies and translate them into functioning new processes. Communication and consulting with the sunzinet colleagues is fun and always takes place at eye level."

Dr. Arnold Rajathurai Head of Corporate Communications, Bayer

SUNZINET has already implemented our new website and now also our intranet

"We now have an employee platform that is intuitive to use and runs stably. Thanks to the new Digital Workplace, our employees can now network with each other even more effectively and we as a company are well positioned for the digital transformation."

Oliver Schaal Head of Communication and Public Relations, Rheinische Post Mediengruppe

The communication and consulting with SUNZINET colleagues is fun and always takes place at eye level

"As a company, we have major tasks ahead of us in many areas. Together with SUNZINET, we develop sustainable strategies and implement them in functioning new processes. "

Tim Tüßelmann Digital Marketing, Creditreform

We are more than satisfied with our new online store!

"The store is easy to use, looks very chic and has also extremely simplified the work of our colleagues. The cooperation with SUNZINET went smoothly and we got exactly the result we wanted."

Frank Wintergerst Head of E-Commerce, WOFI LEUCHTEN

leguano could not have found a better partner for the redesign of our store and the relaunch of the website

"We are completely thrilled with both the cooperation and the result! The team from SUNZINET was in permanent exchange with us and was thus able to react immediately to needs, wishes and challenges. The result: real added value. Many thanks for the patience during the development and the creative as well as professional advice during the implementation of our new modern brand appearance. We look forward to further joint projects!"

Fabian Welke Marketing Manager, Leguano

At SUNZINET, we appreciate the creativity and know-how in addition to the open communication.

"Our cooperation was characterised by the joint development of ideas and topics. Thanks to SUNZINET, we benefit from consulting and implementation in various areas, from CMS to web design to marketing automation."

Hans-Ingo Biehl CEO, Verband Deutsches Reisemanagement

The exchange is always constructive and appreciative, brings progress and is fun!

"We have a partnership-based, transparent and well-structured cooperation with SUNZINET, in which both sides contribute their expertise, experience and ideas."

Franziska Bittel Project Manager Marketing, Friedwald

Let us talk personally

As soon as you submit the form, we will contact you, either by phone or with a proposal for an appointment.

Simona Mayer
Head of Business Development


+49 221 / 355 009 0

  • 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 system is the right one for my company?

    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, Drupal, Wordpress and Magento. 

  • What are Headless CMS?

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    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 enable an efficient design of the uniform digital experience. 

  • What does DXP mean?

    Show More

    DXP is the acronym for Digital Experience Platform. It is an integrated technology that provides all the necessary data at scale so that users can experience personalized experiences on all channels.