We power growth through thoughtful design and clear strategy.
We create work that shapes
tomorrow’s digital landscape
Selected clients
Service overview
Delivering focused expertise to push customers experience forward
Our achievements
150
Digital products launched
150
Digital products launched
87%
Average client retention rate
87%
Average client retention rate
4
Teams working globally
$1.2B
Client revenue growth
Case Study
o2 Brand Refresh: From Customer-First Strategy to Brand Design Rollout
Case Study
o2 Brand Refresh: From Customer-First Strategy to Brand Design Rollout
Case Study
o2 Brand Refresh: From Customer-First Strategy to Brand Design Rollout
Customer reviews
Hear from our clients and see why Andersen is rated 4.97/5 on Clutch.co
For more than a decade, Chantal has been a trusted partner, always providing the right impulse at the right time and adapting seamlessly to both TWK’s needs and my own. This partnership has moved us forward on both a personal and business level—and is the perfect foundation for the next ten, if not twenty, years.
Dr. Cedric Bartelt
Head of Marketing & Human Relation
“Chantal’s brand design expertise gave our o2 team a fresh perspective on how to optimize our brand management process. She led complex brand projects with exceptional clarity, communication and professionalism, and her precision in execution made our brand relaunch a success.”
Caroline Girardet
Senior Brand Manager, Telefónica Germany
“Working with Chantal was smooth and efficient from the start. Her guidance sharpened our positioning and brought greater consistency to our visual identity. I especially valued her ability to simplify complex ideas. She was an excellent partner to work with, and my team and I highly recommend her.”
Bianca Hörner
Head of Finance, Ourvita Germany
“Chantal brings deep brand expertise and a strong understanding of corporate environments. I highly recommend working with her.”
Anastasia Liapis
Anastasia Liapis
“Chantal brings deep brand expertise and a strong understanding of corporate environments. I highly recommend working with her.”
Anastasia Liapis
Global Head of Innovation, HP Health Solutions
“Working with Chantal was smooth and efficient from the start. Her guidance sharpened our positioning and brought greater consistency to our visual identity. I especially valued her ability to simplify complex ideas. She was an excellent partner to work with, and my team and I highly recommend her.”
Bianca Hörner
Head of Finance, Ourvita Germany
“Chantal’s brand design expertise gave our o2 team a fresh perspective on how to optimize our brand management process. She led complex brand projects with exceptional clarity, communication and professionalism, and her precision in execution made our brand relaunch a success.”
Caroline Girardet
Senior Brand Manager, Telefónica Germany
For more than a decade, Chantal has been a trusted partner, always providing the right impulse at the right time and adapting seamlessly to both TWK’s needs and my own. This partnership has moved us forward on both a personal and business level—and is the perfect foundation for the next ten, if not twenty, years.
Dr. Cedric Bartelt
Head of Marketing & Human Relation







