# developR

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ID: 4cb256e9fcb8ba53189c02ecbe397ea9c37c159fc40ec7c68615dbb477f08515

Search context: `{}`

Category: Agencies & firms

developR is the web studio of Seb van Dijk in Haarlem, the Netherlands. I build custom WordPress websites with ACF and Gutenberg blocks. I also develop web applications for business processes in PHP and CodeIgniter, such as purchasing, sales, inventory and transport apps.
> 
> My work doesn’t stop at launch. With a maintenance contract (SLA), I keep websites up to date, secure and online. I keep an eye on hosting, PHP versions and security issues, and step in when needed.
> 
> My clients are small and medium-sized businesses, foundations and publishers, in sectors such as the timber trade, trade media and healthcare.


## Details · by the maker

- Team size: 1
- Founded: 2009

Tags: WordPress, ACF, PHP, CodeIgniter, web applications, website maintenance, SLA, Haarlem, Web development, AI

## About this listing

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Listing updated: 2026-10-23

Link checked: 2026-10-23

[Main link](<https://developr.nl/>)

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