a webdevelopment studio

Sterker samen. De samenwerking was er al jaren, maar het is nu ietsje officiëler: voortaan trekken 37631b & Alsjeblaft samen op onder één vlag.

Mark van der WaardeDanny Schipper

Owned & operated

Hi! We are Mark van der Waarde & Danny Schipper and we love the web. We're the owners, proprietors and sole operators of Alsjeblaft!

We are skilled web developers with a knack for design & typography. The two of us have been cranking out web sites for a living since the Dot-com boom.

Tools of the trade

We work for (and with) a variety of clients – graphic designers, design agencies, bands & artists, managers, b2b corporations and charity organisations.

While building beautiful, responsive web sites, applications & banners our tools of the trade include (but are not limited to) Photoshop ®, Illustrator ®, HTML, CSS, PHP, MySQL, Textile & jQuery.

We're pretty handy with Drupal, WordPress and Jack, a PHP5 framework with a user friendly CMS back-end we have created and which is currently serving dozens of websites. It's tasty!

Fresh produce

Listing all clients and projects we've worked for would be impossible, but we do like to highlight a few we're particularly proud of.

* All sites are rocking Jack,
unless noted otherwise.

Our rolodex includes:

Contact us

Would you like to know how we can help you? Send us an e-mail at We won't bite, promise! Or find us at:


Oudekerksplein 3
1012 GX Amsterdam
+31 (0)20 370 5392

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