Anderson, Richard I.

Andrew Fox Interactive

Aptima, Inc.

Experts in user interface design for applications and other web -based products.Provides usability services including web site evaluations and design.Web based communications company.

Eleven Consulting

Fields, Jason: air-port

Frontend provides user-centred interface solutions for online developments and software applications. Located in Massachusetts, USA .Award-winning web site development, user interface, user experience consulting and communication design .

Hypercerulean Inc.

Specializes in site and user interface development, web consulting , and training. Located in Belgium.A web usability and solutions consultancy, offering user-centered ergonomic design and web development. Located in Ireland. Based in Toronto, Canada.Usability testing, customer research, and product design services.Offers a range of services with a focus on user interfaces for web and non-web applications. Based in San Diego, California, United States.

smalley centred

Specialized in user-friendly Internet interface.Consultants to help you improve the user friendliness of your web site, located in Florida, USA.

Centralis

A software development and professional services organization with expertise in graphical user interface (GUI) design and usability .

Creative Good

Offers publication, presentations and consulting. Located in Ireland.

Specializes in applying human factors analysis to usability engineering, testing, and interface design . Located in Finland. Includes resources, articles and courses. Located in Belgium.Offers web design services and features usability testing facilities. Located in Pennsylvania, USA.

Rocket Communications, Inc.

Sage Consulting

Provides services in Web Design, Information Architecture, specializing in web usability .Specializing in user interface design, ethnography, usability evaluations, and user support systems.

ThoughtCap

Usablity Glossary

Located in Bellevue, Washington, USA. Based in Renton, Washington, United States.

hhi hci

Design, usability and consultancy.A management consulting and software development company that has expertise with all forms of Electronic Performance Support Systems (EPSS).

Center for Usability Research and Engineering

Located in England. Located in Washington.

IdeasMerchant .com Ltd

Instrata

Offers Web design and usability testing services. Based in Ontario , Canada.

Performance Research and Design

Located in California, USA. Offices in Michigan, California , and New York, USA.

The Communication Studio LLC

Two Rivers Consulting Corporation

Provider of usability testing and research for websites, consumer electronics, software and hardware products. Located in Washington, USA.

quakenbush serco

A User Experience design and consulting firm that unites theory and practice to advance the art of user experience design while helping clients make better business decisions. Located in California, USA.Helps corporations achieve specific business results by providing research, and a user-centred approach to the design and use of digital technologies.Providing innovative research and applied design for government, industry, medical , and transportation fields. Located in Illinois, USA.Specializes in customer experience , visual design, information architecture, and strategy. Located in California, USA.

December Communication Inc.

A network of technology centres across Europe to help companies enhance the usability of their products and systems. Located in California, USA.Evolving technology and delivering a more compelling and dynamic digital experience to end users online and offline. Located in Massachusetts, USA.

Florian N. Egger

Offering the full range of Usability Services.Provides user experience research, user -centered interactive design and usability evaluation.Offers user experience design plus usability and product strategy consulting.Provides user-oriented product and interface design services for custom software and embedded systems.Specialized in user-centered design, prototyping, support of the development process, and iterative test and refine of the final product.

Strategic Integration

Offers eBusiness usability testing and development services.Seasoned interaction designer: documentation , graphics, wireframe models, best practices & information architecture.Specialists in website, wireless , Intranet, digital interactive TV and software usability testing.

Truth In Design

Offers service for designing online-help system, user documentation and translation.Offers usability testing, UI design and customer research services.

sprezzatura tmtm

Cox & Hall Interaction Design

Located in New York, USA.Usability analysis, software design, web site design, web application design, implementation and support by Alison Kather.

Crystal Point Consulting

Design Interpretive

Specialising in usability and accessibility testing, information architecture and brand web design throughout Northern Ireland and the UK. This internationally oriented company has locations in Europe and North America.Offers usability consulting.g.

Jeff Brace Design

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 .

Lextant

Metamedia

Perrault, Ron

Silicon Valley based computer human interaction consultancy focusing on practical usability testing & interface design. Headquarters located in California, USA, with additional locations in France, Japan, and Monaco. Located in California, USA.

Usability Consultancy

The portfolio and resume of Kyle Pero, a usability analyst, interaction designer, and information architect consultant based in Pennsylvania, USA.

tmtm conceptualization

Beta Research, Inc.

Provides research, workshops , and consulting for improving the user experience of web sites and interactive applications.Media design agency specializing in branding and user interface.Specializes in customer-centered product and service innovation.Researcher at the University of Eindhoven, Netherlands, in human-computer interaction.Offers consulting services to research, design, and evaluate interactive products.

GUIguy

Hastings Research

Human Interface Group

Specializes in Human Factors and Applied Ergonomics .

Icon Medialab

Located in California, USA. Offices in Ohio and Colorado, USA.Research and IT consulting expertise in the assessment of information systems for: ERP, CRM, CMS, DBMS.Consultants providing information architecture, visual interface design, icons, and usability testing . California, United States.

Snyder Consulting

Usability Partners

Usable Interface

User Interface Engineering

sharpen smalley

Includes online articles. Located in California, USA. Located in California, USA.

Constantine & Lockwood, Ltd.

Corporate Solutions Consulting

Offers to improve customer experience.Provides user interface design, user centered design, and usability services for software and hardware developers.Integrated delivery of user interface design, industrial design, and usability assessment and testing services.

Elemental Usability

European Usability Support Centres

Located in Canada.

Foolproof Business Services

Located in India. Located in Austria.Offering consulting services in most aspects of interaction design .A customer driven, products, process and innovation solutions provider.

Ovo Studios

Located in California, USA.Interaction Designer

Sotopia

The Hirsch Group

The Usability Group

Located in California, USA.Boston Web firm offering information architecture , interaction design, usability consulting, and copywriting. Located in California, Georgia, and Illinois , USA. Located in London, United Kingdom.Consulting in website usability, training and testing. Located in the UK. Based in London, United Kingdom.Offers customized user experience and branding solutions.

quakenbush centred

Adaptive Path

The website describes services offered and tips for effective user interface development. Located in Canada. Including articles and news about Web usability. Located in Massachusetts , USA. Includes links. Located in California.Washington, DC based information architecture and user experience consultancy for websites & software.

Filament Group

Located in North Carolina, USA. Located in Ottawa, Canada. Located in California, USA.

Pure Interface

Located in South Carolina, USA.

Usability Sciences Corporation

Userlab , Inc.

WordFixers

Located in Oslo, Norway.

quakenbush heuristic

AGConsult

Located in Belgium, website also in Dutch. Located in the United Kingdom.Supports usage-centered design for more usable software-based products through training, design, evaluation, and consulting services. Includes Computer-Mediated Communication Magazine (CMM) archives and resources.

Diamond Bullet Design

Usability Consultancy committed to designing and evaluating successful and effective Windows Applications and Web Sites.

Genesis

Internet and interface development. Focus on enterprise applications.Helps clients create, renew and strengthen their user interaction to enhance the user experience for software and websites.

Miramontes Computing

Offers services concerning accessibility and usability. Provides web development and training . Web site design and writing. Servicing Northern New Jersey and New York City, USA. Located in New York City. Located in London, UK.

usable hci

Dreamstep Design

User Centered approach to interface analysis and design. Located in California, USA.

Experience Research - Richard Linington

EyeTracking

Located in British Columbia, Canada.

Knabe Design

Nielsen Norman Group

Pamam

Reynolds, Louis

Located in New Jersey, USA.

Section 508 Accessibility

London, UK based independent usability consultants, covering websites, interactive TV, interactive appliances and mobile Internet devices.

Shiro Wilde

Spox Design

Sprezzatura Systems, Inc.

Tech-bridge

Committed to liberating technology from the technologists and letting people play with it instead. Located in Australia.Offers services to create meaningful digital product development and user experience.Strategic Web design consultancy which uses user centred design and market research techniques.

Usability Systems, Inc.

Usercentric Design , LLC

webex centred

Abacus Web Usability

Busse Design

Located in New York, USA.Offers a Logical User Centered Interaction Design (LUCID) Framework, a methodology for managing the design and testing of the software user interface. Located in the UK.

Direct Perception LLC

Located in Texas, USA.

Interface Guru

Located in the UK.Provides an online suite of website evaluation tools to help businesses understand and manage customer intentions , attitudes, and behavior.Offers fixed and portable usability labs and logging software. Located in Washington, USA.A software company focusing on natural control of PCs and intelligent appliances, enhance the speed and the pleasure of controlling PCs and electronic devices.

Serco Usability Services

Pradeep Henry`s offshore user-experience driven approach to the design /evaluation of websites and products.Experienced consultants specializing in the area of user interface design and usability.

True Matter, LLC

Offers user research and services for the complete design and development process including usability testing.

zanzara centred

User experience consulting.

Cognetics Corporation

Cooper Interaction Design

Helps businesses sharpen their websites.

Emma Jane Consulting

Enflexion

Specialist in medical usability , wireless systems and complex collaborative environments.

Gruden

Provides website design and development solutions for internet, extranet, intranet, multimedia and new media projects.

Human Interfaces, Inc

a combination of usability, information architecture, communications, marketing and design. Located in Finland.

Joe 10 Group

Located in Pennsylvania, USA.Specializes in the visual, interface, and interaction design of web-based applications and identities. Located in Illinois, USA.

McGee, Patrick W.

Membex

Offering independent review and analysis, and testing of websites using actual users.Software design, programming, documentation, and review.

The Hiser Group

Located in Berlin, Germany.Independent usability and user-centred design consultancy, based in Stockholm, Sweden .User interface design and usability evaluation consultancy.

Web Site Optimization, LLC

zanzara wireframe

Located in Colorado, USA.

Erik More

Gothelf, Jeff

Gravity7

Offer a number of white papers .

Human Factors International, Inc.

Main site in French. Located in Melbourne, Australia.

Interaction Design

User interface designer and illustrator for online and offline media in Texas, USA. Located in California, USA.

Nat Bobbitt`s Laboratories

Nelson Usability Associates

Offering user-centered interface design, auditing, and prototyping solutions for online and MS Windows applications. Includes a portfolio and a resume . Located in California and Hawaii, USA. Located in California. Located in New Hampshire, USA. Based in the UK.

Tmtm

Usability Architects, Inc.

Usability by Design Ltd

Located in Massachusetts, United States . Located in Michigan, USA.

wireframe yourselves

Located in Ohio , USA. From Denmark.Creation of user-centered interface designs, websites and custom web applications for small to mid-size businesses. Located in California, USA.

Fission Interactive

Located in the UK.

GUI Designers

Offers usability evaluations, user-centered front-ends, software product design , and training.User-centered user interface design, user documentation and training services.Offers consulting services to provide user-centred design, i. Located in the UK.

Interaction Architect

KeyLabs Software Testing Products and Services

Look and Feel Australia

LukeW Interface Designs

Consulting agency offering to enhance the user experience. Located in California, USA.Usability testing service.Specialists in designing usable, useful and aesthetic interfaces for interactive products, ranging from software applications to handheld devices and medical equipment . A unique combination of business understanding, technical acumen, creative talent and strategic insight .Specializing in customer research and analysis of technology products and services.Internet effectiveness consultancy offers a range of services including web site evaluations and search engine optimization .Usability support during all phases of the product life cycle including user requirements, design, evaluations , and consultancy. Services available throughout the Asia Pacific.Provider of user experience services utilizing usability testing, focus groups, market research, training and documentation.

infocentre zanzara

Corsair

Located in New York, USA.

CreatiVeracity

Focuses include making web sites and particularly web forms easier to use.User experience consulting services focused on usability engineering, information architecture, and interface design. Based in California, USA.

Designs software and websites, provides market analysis and training, and works with rich media and wireless technologies. Located in the United Kingdom.Ensuring usability and systems consistency through software ergonomics, human factors science and design considerations.

Humansystems Inc.

A consultant company involved in web site analysis, HCI, task analysis and modeling.

Incontext Enterprises

Consulting firm with focus on simplicity and usability. Located in California , USA.

Nuno Design

Located in Ireland

Located in Illinois, USA. Located in Bristol, UK. Located in California, USA. Focus on usability and accessibility of interface design. Located in the United Kingdom.

TheUEgroup

Provides usability consulting, research, training and conferences.

quakenbush prioritize

Evan Media

Promotes mainly a book, and includes tips , tutorial, and links. Offers consulting in user experience and trust, including aspects of e-commerce system design.

Hibbitts, Paul D.

Background in Human Factors.

HumanCentric Technologies, Inc.

Located in Canada.Sim D`Hertefelt offers services for designing usable interactive systems, includes articles .

Kraka Inc.

Specializing in interface design, usability testing, site development , database architecture, and ecommerce sites.Offers user-centred design services for product development, including usability testing, survey research, user-centered design and focus groups .Interface designer with experience in user interface, Web design and usability testing, product management , and information architecture.Consulting services including 508 compliance audits, accessibility redesign and retrofit, testing and training.

Swim Interaction Design Studio LLC

Located in Georgia, USA. Includes a glossary and links.Interactive application development and design consultancy focused on crafting effective Web experiences.Consultants who design user experience in the shape of graphical user interfaces on the internet and in the wireless world.

Userface Ltd

Vista Point Consulting

Website usability reports and email support.

tmtm usable

Consulting and research in human factors, ergonomics, usability and safety in product and system design from California, USA .Usability and User Interface Designers.Offers a range of goal-directed services that can be used to create and improve interactive solutions from California, USA. Located in Canada.Provides analysis and designs interactive systems and interfaces for usability across all technology platforms.Bases information architecture and interface design on user data and continuous usability testing.

Good Experience

Provides user interface design services, including usability evaluations and education.Usability consulting for web, software and hardware products.Offering user experience research services and consultation in usability for the products of the digital world, especially wireless ones. expert reviews and usability testing.Information architecture, interaction design, technical writing, user centered design, and usability evaluation.

Maskery

Located in New York, USA.

Meleniak

Located in the United Kingdom.

Mental Models

Located in Colorado, USA. Includes news, events and publications.

Reuten

Usability consultant specialized in user centered design, including computer interaction, and usability engineering.Customer research, information architecture and design, and usability evaluation of technology products and websites.

Usability Lab at HHI

User Interface Design GmbH

gotomedia, inc. - interaction design and usability consulting

Notable clients include Macromedia & WebEx.

acumen smalley

Acernus

Classic System Solutions

Usability Consulting firm based in Leighton Buzzard, UK.Ethnographic research leading to the creation of useful and desirable user experiences. Located in the United Kingdom.

Ferguson, Louise

Flash 99% Good

Flow Interactive

Examining the online sales process from the customer`s point of view.User interface design and usability consulting for Windows applications and web sites, for business productivity.Representation of the disciplines of information architecture, business analysis and usability , as well as contact information and a resume. Located in Iowa, USA.

Milobox, Inc .

Includes articles and other resources.Provides consulting, research, and training in usability evaluation and interaction design.

Preston G Smalley

Locate in the United Kingdom. Based in the UK.

Siteworkz Consulting

Usability and prototyping consultant focused on helping customers recognize, prioritize, and solve usability problems.

UsabilityOne

User Insight

Services include usability testing, focus groups, Web design, interface design.Consulting services covering usability , information architecture, user experience design, search engine optimisation and complete website design .

tmtm syntagma

Located in California, USA. Located in the United Kingdom.Listing of UK academic and commercial consultants in Human-Computer Interaction, providing initial contact information for prospective clients seeking experts within this field.Web site design, user interface design, plus accessibility and usability evaluation services.

Ergosoft Laboratories

Located in California, USA. Belgium

Provides usability assessment, e.Consulting firm specializing in customer-focused information design and interaction design of media, products and tools.

NewOpp.ca Inc.

Offering information architecture, user experience and usability evaluation services. Located in California, USA.

Sliced Bread Interaction Design

User-centered design and development services, including object-oriented design and UML, usability evaluation and training. Experienced in transactional systems, financial services.

The TerraNova Group

Located in London, United Kingdom.Offers consultancy and software for usability engineering, visual and interaction design, and Java based software development with a focus on interactive TV.

Zanzara User Experience

quakenbush centred

Bohmann Usability

Catalyst Group Design

Helps companies determine product strengths and weaknesses, and gives specific, blueprint-level guidance on how they can be improved.

Enervision Media

Australia-based consulting group specialising in eBusiness usability and accessibility .Usability for Flash. Includes short articles.Offers a wide range of services with a focus on the user experience in a wide range of web-based applications.

Interface Consult

Located in Tucson, Arizona, USA.Consulting services concerning User Interface Design and Usability Engineering.

Namahn

NerveCentral

User interface design, usability testing and research to improve user experience for websites, software, and other products.

Pure Usability Ltd

Web usability and accessibility consultancy.

Quakenbush Design

Syntagm

Located in Texas, USA.Offering usability and design consultancy to the e-commerce and client server markets in Europe. Located in Australia.Consulting firm offering Web optimization services and information .

centred smalley

Offers services and research in the field of usability engineering and user interface design in Vienna Austria.

Change Sciences

Located in New York, USA. Provider of website analysis, reality testing, training seminars, and consulting services.Eye tracking technology to test users` responses to websites and other promotional material. They will either design a solution for you, or help you to design the most user friendly one yourselves. Includes the Usability Infocentre and User News newsletter. specialise in HCI, usability, architecture, systems integration and e-business. Located in Canada. Located in Texas, USA.Tests and makes recommendations on how to improve commercial websites.

Open Interface

Located in New York, USA.Offers services in interaction design and software engineering.Information architect and GUI consultant, specializing in information architecture, user testing, user experience, and GUI design.

Ross Technologies Limited

The Usability Company

Internet consultancy committed to helping Global 2000 clients leverage customer experience as a competitive advantage and driver of profits. Stuttgart and Munich , Germany.

conceptualization usable

Provides usability services as well as site design and site creation services for web based companies.Provides guidance in collaborative, user-centered design, ethnographic research, and multidisciplinary collaboration. Located in New Jersey, USA. Located in New York , USA.e.Provides design, training, and market information services.

Information & Design

Interpix Design Inc.

Offering usability evaluation, accessibility advice, and web design. Located in Ohio, USA.

Sensiva Inc.

Provides web site design and evaluation services for small and mid-sized businesses.

conceptualization centred

Software user interface design and rapid production services including prototypes for telephone, handheld, and desktop systems.

Amberlight Partners Ltd.

Locations in Washington DC and Massachusetts, USA.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.

British HCI Group Consultancy Listing

A user experience consultancy offering research, testing and design expertise to develop interactive applications. Located in Illinois, USA.

Datapanik

Effortmark Ltd.

Experience by Design

Consulting services to research, design, and evaluate interactive products.A team of designers, programmers and usability specialists from Nortel Networks` former human factors group offer web design and usability evaluations.

Frontend

Mark Hurst and Creative Good present white papers on customer and user experience.Human factors testing and consulting firm with expertise in Web design, and consumer electronics.Resources on usability management include articles , conferences, tools for User Centred Design. Located in Massachusetts, USA.

Interacta Design Oy

Also other services concerning interactive products.Employs a user-centered approach to provide User Interaction consulting, rapid prototyping, presentation and graphic design. Includes articles by Jim Miller. Headquartered in California, USA. Located in Israel.Provides a wide range of usability consulting services including interface design, user testing, focus groups , heuristic evaluations and onsite training. White papers and other collaterals. Located in Oxford, UK .

Tec-Ed, Inc.

Specializing in the conceptualization, design, development, evaluation, review and assessment of human-computer interfaces, especially web-based applications.

U-C Webs

Located in Ontario, Canada . Focus on usability, customer-focused content and clean design .

flyTrap Interactive

mProver

tmtm centred

Ariel Performance Centered Systems, Inc.

Black Box Media

Located in California , USA.Texas design consultantancy specializing in user interface and interaction design, visual communication , and usability for products requiring human-computer interaction. Located in Ottawa, Canada. Located in Michigan, USA.Offers web and interface design plus user studies. Located in the UK.

Ideactif

Located in Canada.

Idean Research

Specializes in goal-based user interface design and field studies to find out the users` goals. Located in Canada.Consulting services include business analysis, information architecture, user interface design, and usability evaluations.KeyLabs is an independent testing lab providing web site application performance testing.Offers user centred research and design services, specializing in concept design, usability, accessibility product evaluations , and training. Located in Melbourne, Australia.

Software Human Factors

Located in Rotterdam, Netherlands.Technology for persons with special needs and access for everyone .A usability consulting and contracting firm specializing in designing the user experience with user -centered methodologies.

ePerformance Consulting

centred sharpen

Adducive

Creative Gorilla

Located in California, USA.

IBM`s Ease of Use

Offers services to study user behaviour and apply results to create functional and usable user interfaces .

MauroNewMedia

Located in Tennessee, USA.

NetRaker Corporation

Solutions for user interface design and human factors engineering.Interface Design consultation for browser-based and traditional software as well as interactiveTV.Provides software consultancy and services for creating advanced user interfaces using techniques such as error tolerance, user modelling and agent interfaces.

SalemSystems

Located in Canada.User interface design consultancy creating online, desktop, and handheld products and services.

Sterling Creations

Jeff Rubin and Dave Rinehart manage offices in New Jersey and Atlanta, USA. Located in California, USA.A consulting firm in Massachusetts. Located in the United Kingdom.Design of custom usability testing environments, including stationary labs and portable labs . Located Georgia, USA.

fhios

Offers user interface design services at all phases of application development, including working prototypes for web and interactive multimedia applications . Located in New York, USA.

friendliness collaterals

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