From Zwolle to Boston: Klaviyo Partner of the Year Benelux
Klaviyo names mailmeisters Partner of the Year Benelux 2026. A title preceded by years of specialisation and collaboration.
Marijn Bos · Email marketing specialist ·
From Zwolle to London. And now to Boston.
Klaviyo has named us Partner of the Year Benelux 2026. We will receive the title at K:BOS in Boston, and with it we are recognised as one of the leading Klaviyo partners in the Netherlands, Belgium and Luxembourg.
You don't become Partner of the Year overnight. It is the result of a choice we made deliberately years ago: not wanting to do everything in digital marketing, but becoming exceptionally good at email marketing, CRM, marketing automation and personalisation.
“This award is a true reflection of the strong partnership between the mailmeisters team and Klaviyo. Of all the partners we work with, mailmeisters stood out. We want the market to see that. We are hugely grateful to the team for all their hard work and for their contribution to our partnership.”
Eddie O’Brien — SVP of Global Partnerships, Klaviyo
From that specialisation, we help brands such as Mr Marvis, EasyToys, Boldking and Volero get more value from customer data, customer relationships and owned marketing channels.
“This is a huge milestone for us. We made a very deliberate choice to specialise entirely in email marketing and automation. Klaviyo now naming us Partner of the Year in the Benelux confirms that this focus works. At the same time, this is above all a recognition of our team and of the results we achieve together with our clients.”
Jan den Bakker — Founder
From email channel to commercial infrastructure
We are not a full-service agency that also does a bit of email marketing alongside SEO, advertising and social media. Email marketing, CRM, customer data, automation and personalisation are our craft.
That role has changed fundamentally in recent years. Where the emphasis was once on a good newsletter, it is now about the questions behind it. Which customer is about to buy again? Which customers are at risk of dropping off? When is WhatsApp more relevant than email? And how do you use customer data and AI to make those decisions smarter?
We combine strategy, data, technology and creative so that brands don't communicate more, but more relevantly: at the right moment, through the right channel, based on what we actually know about a customer. Within that approach, Klaviyo grew into one of our most important technology partners.
“Email has long since stopped being the channel you use to send a newsletter once a week. The real question is how you use customer data to communicate more personally and more intelligently at every relevant moment. That has a direct bearing on revenue, retention and customer lifetime value.”
Jan den Bakker — Founder
From London to Boston
Our partnership with Klaviyo did not begin with this award. In 2024 we became a Platinum Partner. Then Elite, and after that Master Elite — the highest tier in the international partner network. For us, a badge only has value if clients notice the difference. That is why we invest not only in the platform, but in the people behind it and in the direction it is developing in.
Team members meet the Klaviyo team in London to discuss product, onboarding and what our clients run into in practice. In 2026, Jan den Bakker and Anja Schippers were selected for the Klaviyo Partner Advisory Council, in which a select group of international partners helps shape the future of the platform — from AI to the needs that agencies and their clients see in practice.
K:BOS 2026 brings together brands, marketers, technology companies and partners from all over the world. This year we are not there just as visitors: we are receiving the title of Partner of the Year Benelux.
Nobody has “doing more Klaviyo” as a business objective. You want more value from existing customer relationships, more relevant touchpoints, higher customer lifetime value — and to be less dependent on the next euro in paid advertising. Klaviyo is a means. Our job is to use it as smartly as possible.
Partner of the Year is not the finish line
The title does not feel like the end of a journey. More like confirmation that we should keep going down the same road: Klaviyo expertise, AI, personalisation, customer data and CRM, and brands that operate internationally.
From Zwolle to London. From London to Boston. And onwards from there.
“This award shows that we are on the right track. But as far as we are concerned, it is only just beginning.”
Jan den Bakker — Founder
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