Dark Tools — Architectural Lighting Distributor
Showroom open Monday - Friday, 9am-5pm 750 Lake Shore Boulevard East, Unit 2
Toronto, Ontario M4M 3M3

[email protected]


ONE A was born in 2008, through a desire to fill a gap in the industry for a design solution embracing both light and smart-home technology in a uniform system made only from the finest materials.

Jan Bjarnhoff truly embodies the mind and the personality of ONE A, which you can feel in every aspect of the brand.

He has an in-depth expertise as a lighting designer and has worked with many exclusive projects across Scandinavia, from private homes to public institutions.

A fascination for uniqueness and a love for detail are fundamental drivers for Jan. Whether it concerns his work, his home or his life, he is dedicated to the pursuit of excellence and quality.

The headquarter of ONE A is located at Hyldvej 1A in the nature-rich village of Sønder Stenderup, south of Kolding. As the address suggests, the location is the true home of ONE A with a nod to both: minimalism and perfection.


STORM SYSTEM® represents a broad selection of architectural lighting design and mounting products.

STORM SYSTEM® meets every aesthetic need for a lighting solution that compliments minimalistic interiors. The secret lies in the mounting unit – making it possible to mount all products into one system, such as various designer ceiling lights and architectural features.

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