About bfg

Bigfriendlygiants initiates, designs and develops a wide range of innovative projects. Creating added value for society and generating social impact is key in the process.

Bigfriendlygiants operates at the intersection of project development, concept development and architecture. It connects a network of innovators, creatives and technicians.

Sijme van Jaarsveld

  • 2013 - 2015 Architect & Business developer Slangen+Koenis Architects
  • 2013 Master of Science, Delft University of Technology
  • Master in Architecture, Urbanism and Building sciences.


  • Nomination Archiprix 2013

Worked for/with

  • Municipality of Utrecht
  • Springlab
  • Open Concept
  • Municipality of Amsterdam
  • DTZ Zadelhof
  • Klimbos Apeldoorn
  • Philadelphia
  • Amsta