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djumla GmbH
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Profile Overview
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Service providers ranking among the top 20 in our directories are awarded our Top Vendor recognition for the respective directory.
About djumla GmbH
djumla offers professional web development, web design and Joomla development in Cologne - from web business cards to complex web applications.
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Contact the vendor and get feedback on your queries in a timely manner.
Locations
Services
15%
30%
10%
5%
15%
10%
15%
- Software Development: 15 %
- Web Development: 30 %
- Graphic Design: 10 %
- SEO: 5 %
- E-Commerce: 15 %
- UX / UI Design: 10 %
- Web Design: 15 %
CMS & Website Builder
100%
- Joomla : 100 %
ECommerce
75%
25%
Frameworks
5%
15%
15%
15%
30%
10%
10%
Application Platforms
50%
50%
- Amazon: 50%
- Other: 50%
User Experience
25%
20%
15%
40%
- UX Strategy: 25%
- User Research: 20%
- Persona Definition: 15%
- Wireframes & Prototyping: 40%
Accessibility
100%
- Web Accessibility: 100%
Do you need any of these services?
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Team
We’re a small team of young, passionate minds with over 15 years of experience developing web applications and websites. As true natives of Cologne, we value openness, humor, and honest partnership. We see our clients as partners and aren’t afraid to ask the tough questions—or even to say “no” when it helps move the project forward. With us, there’s no unnecessary bureaucracy—just creative, efficient solutions and a collaboration that’s straightforward and built on trust.
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Portfolio
Downloads
Projects
Website
Case Study by djumla GmbH
Description
GLS makes sure that hundreds of thousands of parcels reach their recipients every day—and we make sure the digital side is right, too! As a partner of the main contractor TeamFresh, we took on a significant share of the technical work for the relaunch of gls-pakete.de. The key challenge was designing the site to handle the enormous number of visits it receives day after day.
Within our scope, among other things, we handled:
- Marketing website
- Parcel tracking
- Parcel redirection
- Promotional materials shop
- Parcel shop search
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Further case studies of the provider
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Rating Overview
Overall Rating
Distribution of rating stars
| STARS | PERCENTAGE | DISTRIBUTION |
|---|---|---|
| 5 Stars | 100% | |
| 4 Stars | 0% | |
| 3 Stars | 0% | |
| 2 Stars | 0% | |
| 1 Star | 0% |
Have you already worked with this provider? Leave a Review
Reviews
Feedbax Reviews
Have you already worked with this provider?
All Reviews
Silke Menne May 2026
I’ve been a djumla customer for years and am extremely satisfied. I particularly appreciate their extensive expertise, comprehensive and honest advice, professional execution, as well as their friendly communication and responsiveness. Working with them is always a pleasant and positive experience. Thank you very much!
Comment by djumla GmbH
Thank you so much for the positive feedback—we really appreciate it!
Google
Tom Grond April 2026
I hired these guys to redesign my website, and I only regret one thing… I should’ve done it years earlier! Djumla Was recommended by one of my best friends, and I cannot be happier with the outcome. The communication was super smooth and the guys delivered excellent work. I’m sincerely over the moon with how everything went from the star till the end and I’m very happy with the new design of my website. Hence why I also signed up for their monthly maintenance contract!
Comment by djumla GmbH
Thank you so much Tom, the warm words are very much appreciated! It's been a pleasure working with you and we are looking forward to the next projects with you and your team!
Google
Sachsenauto Workshop April 2026
A very friendly and professional experience! Thank you very much!
Comment by djumla GmbH
Thank you very much for the positive feedback—we really appreciate it!
Google
Sachsenhausen Learning Workshop April 2026
Everything's great—I'm very satisfied.
Comment by djumla GmbH
Thank you very much for your feedback—we really appreciate it!
Google
Philipp Schneider March 2026
Over the past year, I’ve had the opportunity to work on several web projects with djumla, and I can only say: This is by far the best web development agency I’ve ever worked with. What impresses me most is their speed. I’ll send an email in the morning with four requests for changes, and three of them are already taken care of before I’ve even had a chance to read the reply. On top of that, the quality of their work is so high that no revisions are needed, and the value for money is truly excellent. Communication is straightforward, solution-oriented, and on an equal footing. You can tell that the people working here really know their craft. I highly recommend them to anyone looking for a reliable web development agency.
Comment by djumla GmbH
Thank you so much for the great feedback—we really appreciate it!
Google
Marcus Thousand October 2025
For us, djumla GmbH from Cologne is fast, creative and always available. We often only need fragments of ideas to turn them into projects.
Comment by djumla GmbH
Thank you very much for the positive feedback! :) We are very happy about it!
Google
Thomas Kranich October 2025
We are happy to have Mr. Jardin for our homepage. He and his team are highly professional, goal-oriented and at the same time honest, trustworthy and friendly! Great service and recommendable contact right from the start. We look forward to working with Mr. Jardin in the future! So top and highly recommended! Thank you very much!
Comment by djumla GmbH
Thank you very much for the positive feedback, we are delighted! :)
Google
Corinne Meister August 2025
Working with djumla - and with David in particular - is a great benefit for us: uncomplicated, competent and always thinking along with us. We appreciate the open communication, the rapid implementation and the ability to tackle even complex challenges in a pragmatic and solution-oriented manner.
Comment by djumla GmbH
Thank you very much for the positive feedback, we are delighted! :)
Google
Learning workshop Sachsenhausen July 2025
Competent - innovative - reliable: Everything fits!
Google
Melody Flow Yoga July 2025
Google
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