About WP Mastery

Take a Look behind the scenes

Hey, I'm Jan!

Yes, that’s me at my wedding. I chose to share this very intimate moment with you, because it embodies why I  started my WordPress agency in 2012.

I became self-employed and go above and beyond for my customers because I care about my family and want to serve my wife.

Running my own agency allows me to take time off when needed, provides me with a better income than my previous job, and lets me build a team and run processes that give me more free time.

For this reason, I need to make my business as stable as possible. Hence, I do all I can to make my customers succeed with their goals.

WordPress Development.

I build custom themes and plugins, using state-of-the-art technologies and frameworks. I also customize your existing WordPress websites.

Website Optimization.

Making websites load blazingly fast makes me feel fantastic. Diving into the components to optimize them is like an addiction to me.


I love partnering and connecting with other WP businesses. No matter if agency, plugin or theme creator – the WP ecosystem is an exciting space to work in.

Coding & Devops.

I’m a sucker for efficiency. Writing code comes with many repetitive tasks, which I’m on a mission to automate as far as possible. Automation saves time & improves code quality.

What I do.

Scaling WP Agencies.

The WordPress world is a noisy space with lots of exciting things going on. 

With WP Mastery, I am setting out to cut through the noise and help WP agencies by working efficiently, writing high quality code, and building outstanding products for their clients.

As seen on

I’m active in the WordPress space since 2012 and have been featured, amongst others, on these platforms.

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