Specialises in user-centred design, customer experience strategy, user research and usability testing. Information about work carried out, client list, and staff profiles. UK-based.

Offers user interface design services at all phases of application development, including working prototypes for web and interactive multimedia applications. Based in San Diego, California, United States.

Examining the online sales process from the customer's point of view. Located in England.

Frontend provides user-centred interface solutions for online developments and software applications. Includes the Usability Infocentre and User News newsletter. Located in Ireland.

Mark Hurst and Creative Good present white papers on customer and user experience.

Representation of the disciplines of information architecture, business analysis and usability, as well as contact information and a resume. Located in Massachusetts, USA.

Offers customized user experience and branding solutions. Notable clients include Macromedia and WebEx.

Award-winning web site development, user interface, user experience consulting and communication design. Includes short articles. Located in California, USA.

Usability Consultancy committed to designing and evaluating successful and effective Windows Applications and Web Sites. Offering the full range of Usability Services. Located in the United Kingdom.

Internet and interface development. specialise in HCI, usability, architecture, systems integration and e-business. Offer a number of white papers. Located in California, USA.