OPTIMIZATION for e-commerce sites

We focus 100% on conversion optimization for e-commerce. We are not an agency that does CRO incidentally on the side because it sounds fun or is hot.

Conversion optimization is a specialty. And a specialty requires focus.

Joris Bryon

Co-founder of dexter.agency. Joris is, among other things, a ConversionXL Certified Optimizer, author of Frankwatching and Emerce, conversion optimization trainer for Frankwatching and guest lecturer ‘Data-driven Conversion Optimization’ at University College Ghent.


Co-founder of dexter.agency. CEO and cofounder of the Swedish internet marketing agency and Google Partner Viseo. Also cofounder and owner of several e-commerce sites. Has worked with companies like Best Western, The Swedish Red Cross, Taxi 020 and some of the most visited e-commerce sites in Sweden.

Lauren Tonge

Title: Conversion Optimization Consultant & Copywriter

Lauren has Bachelor degrees in Business Administration, Marketing and International Finance.
She has several years of experience in internet marketing. Ask her anything you wanna know about Google Analytics, Research, and A/B testing.

Topias Tuomi

Title: Business Developer

Topias studied marketing, business, and psychology. He works at the office in Stockholm and has a long experience with helping businesses succeed online.

Zack Simpson

Title: Conversion Optimization Consultant

Zack has been working in internet marketing for 10+ years conversion and optimization for the past 5 years. He can find data in Google Analytics nobody else has thought of, a true Analytics wizard.

Matties Otter

Title: Conversion Optimization Consultant

Matties is a Conversion XL Certified Optimizer with over 10 years of Online Marketing experience. He has worked a lot in Travel and Fashion, including one of the biggest Travel Agencies in The Netherlands and a leading Fashion e-commerce. Loves optimizing websites and increasing revenue for clients.

Marc Uitterhoeve

Title: Conversion Optimization Consultant

Marc has always been fascinated by persuading people to buy products. There are many disciplines within marketing, but CRO appeals to Marc the most because it's data-driven.

"You know which problems you have to address and where opportunities lie, based on evidence and not some random thought. My job is to continuously improve websites in order to make them reach their full potential, and in the process I'm making the owner happy. Best job there is!"

We are located here

We are headquartered in beautiful Gozo - one of the Maltese islands - and we have offices in Stockholm and Bangkok. But our team is spread out around the world. Everyone at dexter.agency is free to live and work in the places they thrive. That way we work with the best people around the world, so you will work with the best as well.

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"Since we committed to working with Joris Bryon, we have grown explosively: our conversion rate has risen by a full 517% in one year’s time. We are not only very happy with the results, but also especially with the way it was accomplished. They collaborate strategically, like a real stakeholder, and proactively come up with new ideas to help our business continue to grow."*

Neal Oddens, owner, BandenConcurrent.nl

Joris and Marcus, founders of dexter.agency, have worked with clients like: