Abacus Web Usability - Consultants to help you improve the user friendliness of your web site, located in Florida, USA. - http://www.abacuswebservices.com/
Clickdensity - Offers a tool to record the position of every click on a web page, creating a virtual heat map of visitor activity. Includes details of benefits and how it works, together with a free demonstration. - http://www.clickdensity.com/
Incontext Enterprises - Provides design, training, and market information services. Located in Massachusetts, USA. - http://incontextdesign.com
Serco Usability Services - London, UK based independent usability consultants, covering websites, interactive TV, interactive appliances and mobile Internet devices. - http://www.serco.com/usability/
ePerformance Consulting - Consulting services covering usability, information architecture, user experience design, search engine optimisation and complete website design. Located in the UK. - http://www.eperformance.co.uk/
Dreamstep Design - User Centered approach to interface analysis and design. - http://kevinbury.com
Centralis - A user experience consultancy offering research, testing and design expertise to develop interactive applications. Located in Illinois, USA. - http://www.centralis.com
Foolproof Business Services - Examining the online sales process from the customer's point of view. Located in England. - http://www.foolproof.co.uk
Experience by Design - Washington, DC based information architecture and user experience consultancy for websites & software. - http://www.experiencebydesign.com
Usablity Glossary - Boston Web firm offering information architecture, interaction design, usability consulting, and copywriting. - http://www.bobgoodman.net/main/glossary.html
Idean Research - Offering user experience research services and consultation in usability for the products of the digital world, especially wireless ones. Located in Finland. - http://www.ideanresearch.com/
Design Interpretive - Integrated delivery of user interface design, industrial design, and usability assessment and testing services. Located in Ottawa, Canada. - http://www.designinterpretive.com/
Erik More - User experience consulting services focused on usability engineering, information architecture, and interface design. Located in California. - http://www.erikmore.com
Cox & Hall Interaction Design - Texas design consultantancy specializing in user interface and interaction design, visual communication, and usability for products requiring human-computer interaction. - http://www.coxhall.com
Effortmark Ltd. - Usability Consulting firm based in Leighton Buzzard, UK. Focuses include making web sites and particularly web forms easier to use. - http://www.effortmark.co.uk
Usability by Design Ltd - Offering usability and design consultancy to the e-commerce and client server markets in Europe. Located in London, United Kingdom. - http://www.usability.uk.com/
fhios - Offers user research and services for the complete design and development process including usability testing. Based in London, United Kingdom. - http://www.fhios.com
flyTrap Interactive - 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. - http://flytrapinteractive.com/
Sliced Bread Interaction Design - User interface design consultancy creating online, desktop, and handheld products and services. California, United States. - http://www.slicedbreaddesign.com/
Jeff Brace Design - Consulting services include business analysis, information architecture, user interface design, and usability evaluations. Located in British Columbia, Canada. - http://members.shaw.ca/jeff.brace/
Interaction Architect - Sim D'Hertefelt offers services for designing usable interactive systems, includes articles. Located in Belgium. - http://users.skynet.be/fa250900/
Experience Research - Richard Linington - Ethnographic research leading to the creation of useful and desirable user experiences. Located in the United Kingdom. - http://www.experienceresearch.com/
Fields, Jason: air-port - Evolving technology and delivering a more compelling and dynamic digital experience to end users online and offline. Based in California, USA. - http://www.air-port.com/
Membex - Specializing in interface design, usability testing, site development, database architecture, and ecommerce sites. Located in Pennsylvania, USA. - http://www.membex.com/
Pamam - Solutions for user interface design and human factors engineering. Located in Israel. - http://www.pamam.com/
Usable Interface - The portfolio and resume of Kyle Pero, a usability analyst, interaction designer, and information architect consultant based in Pennsylvania, USA. - http://www.usableinterface.com
Vista Point Consulting - Provides web site design and evaluation services for small and mid-sized businesses. Focus on usability, customer-focused content and clean design. Based in Renton, Washington, United States. - http://www.newvistapoint.com/
Information & Design - Offers usability consulting. Includes resources, articles and courses. Located in Melbourne, Australia. - http://www.infodesign.com.au/
Web Site Optimization, LLC - Consulting firm offering Web optimization services and information. Located in Michigan, USA. - http://www.websiteoptimization.com
Evan Media - Creation of user-centered interface designs, websites and custom web applications for small to mid-size businesses. Located in California, USA. - http://www.evanmedia.com/
Andrew Fox Interactive - Design, usability and consultancy. Located in the United Kingdom. - http://www.andrewfox.co.uk/
Nat Bobbitt's Laboratories - Research and IT consulting expertise in the assessment of information systems for: ERP, CRM, CMS, DBMS. Located in Colorado, USA. - http://www.nabslab.com/
Quakenbush Design - Interface Design consultation for browser-based and traditional software as well as interactiveTV. - http://www.q-design.com/
Reynolds, Louis - Information architect and GUI consultant, specializing in information architecture, user testing, user experience, and GUI design. Located in New Jersey, USA. - http://www.louisreynolds.com/
Aptima, Inc. - Providing innovative research and applied design for government, industry, medical, and transportation fields. Locations in Washington DC and Massachusetts, USA. - http://www.aptima.com/
The Communication Studio LLC - Seasoned interaction designer: documentation, graphics, wireframe models, best practices & information architecture. A unique combination of business understanding, technical acumen, creative talent and strategic insight. Experienced in transactional - http://www.jcvtcs.com/index.html
Acernus - Provides usability services as well as site design and site creation services for web based companies. - http://www.acernus.com
Eleven Consulting - Helps companies determine product strengths and weaknesses, and gives specific, blueprint-level guidance on how they can be improved. Located in California, USA. - http://www.elevenconsulting.com/
Reuten - Offering information architecture, user experience and usability evaluation services. Located in Melbourne, Australia. - http://www.reuten.com.au/
Catalyst Group Design - Usability and User Interface Designers. Located in New York, USA. - http://www.catalystgroupdesign.com/
Gothelf, Jeff - Representation of the disciplines of information architecture, business analysis and usability, as well as contact information and a resume. Located in Massachusetts, USA. - http://www.jeffgothelf.com
mProver - Website usability reports and email support. Located in New York, USA. - http://mprover.com/
Ferguson, Louise - Consulting services to research, design, and evaluate interactive products. Specialist in medical usability, wireless systems and complex collaborative environments. Located in the UK. - http://www.louiseferguson.com/
Usability Partners - Independent usability and user-centred design consultancy, based in Stockholm, Sweden. - http://www.usabilitypartners.se/
The TerraNova Group - Specializing in user interface design, ethnography, usability evaluations, and user support systems. Located in Georgia, USA. - http://www.terranova.tv/
The Hirsch Group - Specializing in the conceptualization, design, development, evaluation, review and assessment of human-computer interfaces, especially web-based applications. Located in California, USA. - http://www.thehirschgroup.com/
Nuno Design - Offering user-centered interface design, auditing, and prototyping solutions for online and MS Windows applications. Located in Ireland. - http://www.nuno.ie/
Crystal Point Consulting - Helps businesses sharpen their websites. Provider of website analysis, reality testing, training seminars, and consulting services. Located in Illinois, USA. - http://www.crystalpointconsulting.com/
NetRaker Corporation - Provides an online suite of website evaluation tools to help businesses understand and manage customer intentions, attitudes, and behavior. Headquartered in California, USA. - http://www.netraker.com/
Tec-Ed, Inc. - Customer research, information architecture and design, and usability evaluation of technology products and websites. Offices in Michigan, California, and New York, USA. - http://www.teced.com/
NerveCentral - A web usability and solutions consultancy, offering user-centered ergonomic design and web development. Located in the UK. - http://nervecentral.com
Interacta Design Oy - Specializes in goal-based user interface design and field studies to find out the users' goals. Provides usability assessment, e.g. expert reviews and usability testing. Located in Finland. - http://www.interacta.fi/
Pure Interface - User interface design, usability testing and research to improve user experience for websites, software, and other products. Locate in the United Kingdom. - http://www.pureinterface.com/
ThoughtCap - Internet consultancy committed to helping Global 2000 clients leverage customer experience as a competitive advantage and driver of profits. Located in New York City. - http://www.thoughtcap.com/
Software Human Factors - Provides a wide range of usability consulting services including interface design, user testing, focus groups, heuristic evaluations and onsite training. - http://www.softwarehumanfactors.com
Siteworkz Consulting - Provides services in Web Design, Information Architecture, specializing in web usability. Located in Canada. - http://siteworkz.com
Tmtm - Offers services to create meaningful digital product development and user experience. Located in London, UK. - http://www.tmtm.co.uk
Human Interface Group - User-centered user interface design, user documentation and training services. Belgium - http://www.higroup.com/
Joe 10 Group - Interface design and usability consulting firm which applies user centered design strategies to help businesses improve the user experience of their Web sites and consumer products. Located in California, USA. - http://www.joe10.com/
Pure Usability Ltd - Web usability and accessibility consultancy. Based in the UK. - http://www.pureusability.co.uk
Gruden - Provides website design and development solutions for internet, extranet, intranet, multimedia and new media projects. - http://www.gruden.com
Amberlight Partners Ltd. - Helps corporations achieve specific business results by providing research, and a user-centred approach to the design and use of digital technologies. Located in the United Kingdom. - http://www.amber-light.co.uk/
Gravity7 - Award-winning web site development, user interface, user experience consulting and communication design. Includes short articles. Located in California, USA. - http://www.gravity7.com
Black Box Media - A website and CDROM publishing company specializing in human factors for interface design, usability and usage studies, navigation and information architecture - directly for clients or through larger companies. Located in Canada. - http://www.black-box-media.com
Truth In Design - Consultants who design user experience in the shape of graphical user interfaces on the internet and in the wireless world. Located in California, USA. - http://www.truthindesign.com
Flash 99% Good - Usability for Flash. Promotes mainly a book, and includes tips, tutorial, and links. - http://www.flash99good.com/
Maskery - Offers user centred research and design services, specializing in concept design, usability, accessibility product evaluations, and training. Located in Ottawa, Canada. - http://www.maskery.ca
Snyder Consulting - Usability and prototyping consultant focused on helping customers recognize, prioritize, and solve usability problems. Located in New Hampshire, USA. - http://www.snyderconsulting.net/
Usability Sciences Corporation - Provider of usability testing and research for websites, consumer electronics, software and hardware products. Located in Texas, USA. - http://www.usabilitysciences.com/
Bohmann Usability - User experience consulting. Including articles and news about Web usability. From Denmark. - http://www.bohmann.dk/
User Insight - Provider of user experience services utilizing usability testing, focus groups, market research, training and documentation. Located in California, Georgia, and Illinois, USA. - http://www.userinsight.com
Zanzara User Experience - Offers usability testing, UI design and customer research services. Located in Washington, USA. - http://www.zanzara.com
Enervision Media - Provides analysis and designs interactive systems and interfaces for usability across all technology platforms. Located in New York, USA. - http://www.enervisionmedia.com
Sotopia - Usability consultant specialized in user centered design, including computer interaction, and usability engineering. Located in Rotterdam, Netherlands. - http://www.sotopia.com/
Preston G Smalley - Offers services in interaction design and software engineering. Located in California, USA. - http://www.prestonsmalley.com/
Sage Consulting - Silicon Valley based computer human interaction consultancy focusing on practical usability testing & interface design. Located in California, USA. - http://www.sage-research.com/
Anderson, Richard I. - Provides guidance in collaborative, user-centered design, ethnographic research, and multidisciplinary collaboration. Located in California, USA. - http://www.well.com/user/riander/
Emma Jane Consulting - Offers web and interface design plus user studies. - http://www.emmajane.com/
UsabilityOne - Offers a range of services with a focus on user interfaces for web and non-web applications. Services available throughout the Asia Pacific. Located in Australia. - http://www.usabilityone.com
Enflexion - Australia-based consulting group specialising in eBusiness usability and accessibility. - http://www.enflexion.com.au/
Instrata - Offers services to study user behaviour and apply results to create functional and usable user interfaces. Located in the UK. - http://www.instrata.co.uk/
Performance Research and Design - Offers user-centred design services for product development, including usability testing, survey research, user-centered design and focus groups. Located in New York, USA. - http://www.prad.com/