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They trust us
The brands Welyft supports in CRO, A/B testing, personalization and data, and what they say about working with us.
- clients since 2022
- 70+
- of customers who come back
- 95%
- client testimonials
- 12
Success stories
Our client case studies in detail
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Wall of love
What our clients say about Welyft
Excerpts from our NPS surveys and client testimonials.

Welyft showed us precisely where we were losing users, from our acquisition site all the way to our product. They then helped us test, achieve gains, and continue autonomously thanks to CRO AI agents designed for our team. For me, Welyft is the best CRO agency!
Benjamin DouablinCEO
The Welyft teams quickly identified levers for improvement to achieve short- and medium-term results. Welyft thus played a key role in transforming SBM's approach.
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Anthony ChiarelDigital Marketing Manager
Welyft's support allowed us to significantly strengthen operations, particularly towards the end of the year, and to gain efficiency in executing CRO topics. Welyft was able to quickly adapt to our business priorities, secure the implementation of experiments, and helped us meet key challenges during a high-pressure period. The availability of the teams and the quality of execution were real assets!
Candice LahouterCRO / UX Manager
I recommend Welyft for their CRO expertise. The team is responsive and their internal organization allows for smooth exchanges between collaborators without any loss of information. Their mastery of UX, A/B testing, and the relevance of their strategic advice are impeccable. It's a results-oriented team.
Yoan BrunoDigital e-commerce project manager
Responsive, proactive, and pragmatic! The essential qualities for a successful CRO/UX approach that Welyft applies to every project we carry out with them!
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Arnaud ColletDigital Marketing Project Manager
A pleasure to work with Welyft! The deliverables are concrete and allow for immediate implementation of recommendations, whether in development or A/B testing. It's the perfect solution for teams lacking the bandwidth to fully leverage their analytics tools.
Pauline BranchereauE-commerce & mobile app manager
Thanks to Welyft for this e-commerce audit: a rigorous yet pragmatic approach, with a precise diagnosis and actionable recommendations. We particularly appreciate the prioritization (quick wins vs in-depth projects) and the ability to translate findings into a clear action plan. I recommend them without hesitation.
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Lise TrevissoiHead of E-Commerce
Highly qualitative support, both in the materials and the advice provided, which allowed us to regain good momentum. The expertise and availability of the teams are a real plus!
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Keridwen PierretE-commerce & Digital Projects Manager
We particularly enjoyed our collaboration with Welyft. The team combines professionalism, availability and a strong solution-oriented mindset. Exchanges are simple, transparent and effective, even during the more complex phases of the project. A smooth and constructive collaboration that we highly recommend.
Margaux GeneveyE-merchandising Manager
We have been working hand in hand with the Welyft team for several months on a major transformation project for the Etam group aimed at improving and accelerating the personalization of the customer experience across our different channels. Welyft supports us on both strategic and operational aspects, with genuine market expertise and a closeness that makes them indispensable.
Sophie BuresiCRM Factory Director
We have been collaborating with Welyft for almost 2 years now and their main strength… is adaptability! A data expertise I never doubt, a great ability to propose solutions to always meet the needs of our group, and above all an unfailing availability! From thinking/strategy to support with technical implementation, they help me on a daily basis to develop experimentation and CRO for the Bricomarché stores
Marie DevanneUX and Customer Journey Manager
In response to strong acceleration and internal transformation, we established a partnership with Welyft to evolve our CRO experimentation program. Their expertise helps us increase our execution speed and grow through technical and organizational support. This hybrid support is a real lever for strengthening collaboration between IT and business.
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Margaux MottaE-commerce Performance Merchandiser
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