Artisan Software
- Chiswick based accounting software company.
- http://www.artisan-brandt.co.uk

Broadberry Data Systems
- Manufacturer and supplier of custom computer systems, from standard workstations to specialised industrial and rackmount servers, laptops and components.
- http://www.broadberry.co.uk/

1HourPC
- Offers online sales of computers, games and accessories with local delivery within 1 hour.
- http://www.1hourpc.co.uk

Bick Green Associates
- Allaire / Macromedia partners offering internet consultancy, design and build, graphic design for on-line brochure style sites, specialising in intricate hi-tech solutions from premises off Chiswick High Road.
- http://www.bickgreen.co.uk

Wissen UK Online
- Signmaking software for sign design and production at affordable prices. Based in Brentford.
- http://www.wissenuk.com/

Doherty Associates
- Systems consultants specialising in Novell products, based in Chiswick.
- http://www.doherty.co.uk/