Top 100 Usability Testing Services

Seamgen is a San Diego, Calif.-based development firm established in 2008. It has a team of about 50 that does mobile app development, web development, UI/UX design, and custom software development. 

 Cefar is a digital agency founded in 2006 and headquartered in Leeds, UK with an office in London. Their team of 20 provides PPC, web design, graphic design, and web development services. 

Headquartered in Boston, Image Conscious Studios is a branding agency that specializes in web design, digital strategy, and UX/UI design. Founded in 2004, they have about 8 employees works with a variety of clients in different industries including, healthcare, marketing, and hospitality & leisure. 

Hookux, a web design agency, is located in Chesterfield, Missouri and Mathura, India. They specialize in Web Design, UX/UI Design, Web Development, E-Commerce Development, and more and were founded in 2024.

Based in Kolkata, India, ClayMind Solutions Pvt Ltd. Is a small web design agency. They focus on web design, graphic design, ux/ui design, product design, and more and were founded in 2007.

SYZYGY 1 Media is a web design and development company based in Basehor, Kans. The company, founded in 2009, has a team of less than ten that provides web development, SEO, e-commerce development, and other digital marketing services to small companies. 

Grafix Web Design is a web design company. The small Plovdiv, Bulgaria-based firm was launched in 2018. Their services include web design, e-commerce development, web development, ux/ui design, and more.

Moin Studio UG is a branding company. The small Hamburg, Germany-based team focuses on branding, ux/ui design, and product design. The firm was founded in 2022.

HaltenTech is an e-commerce development firm located in L'viv, Ukraine. The small firm was founded in 2018. Their team offers e-commerce development, web development, and ux/ui design.

Digital AMMO is a digital product agency headquartered in Chicago. Since 2008, the 4-person team has supplied branding, web design, and UX/UI designs to small and midmarket businesses. 

Founded in 2019, Street 17 is a development company based in Tallinn, Estonia with a secondary location in Novi Sad, Serbia. They have a team of 2 who provide web development, custom software development, and enterprise app modernization for small and mid market companies. They primarily work with clients in the consumer products, retail, e-commerce, and entertainment industries. 

Decerto is an IT company founded in 2006 and currently located in Warsaw, Poland. They employ 101 industry professionals who offer a variety of digital solutions, including web and mobile applications, outsourcing, software consulting, testing, data migration, and UX design. They work primarily for midmarket and large businesses in insurance, finance and telecommunications.

Wolfcub Digital is a creative design and development studio based in Brighton, United Kingdom. They have a team of fewer than 10 specialists who provide UX/UI design, branding, and mobile app development services. Ever since the company was founded in 2013, they've offered their services to the IT, arts, and healthcare industries among others.
 

Key Medium is a digital agency located in Philadelphia and founded in 2014. They have six employees specializing in creating branded experiences for small businesses, nonprofits, and government agencies. Services include branding, web design, digital strategy and consulting, and web development.

Acumen Digital is a UX design agency headquartered in Maryland, Nigeria, with an additional location in South Africa. They have a team of 3 people who provide mobile app development, UX/UI design, custom software development, and web design services. They work with mid-market, small, and enterprise businesses. Their clients are in the business services, consumer products & services, and IT industries. 
 

Lab3 Apps is a development agency founded in 2015 with no more than 10 employees. They offer mobile app development, UX/UI design, and web development solutions from their office in Christchurch, New Zealand. They primarily work with small businesses.

ForeFront Web is a small SEO company launched in 2001. Their team specializes in search engine optimization, pay per click, digital strategy, and social media marketing. The company is in Dublin, Ohio.

Headquartered in Santa Clara, California, Second Crew is a web design agency. The small team offers web design, conversion optimization, and pay per click. The company was established in 2014.

Established in 2020, IT WAVES is a custom software development company. They are headquartered in Chandigarh, India and have a small team. The company specializes in custom software development, web development, blockchain, e-commerce development, and more.

Sand Dollar Design is a design agency based in Pretoria, South Africa, and founded in 2016. With over 10 members, they provide UX/UI design, product design, and digital strategy solutions for clients in the fields of health care, business services, and consumer products.

Clearly Blue is a web design agency. The small Bengaluru, India-based team provides web design, content marketing, branding, market research, and more. The company was launched in 2016.

Smart IT is a web development agency that has been offering custom software development, application management and support, and web development services to their small business, enterprise, and mid-market clients in the healthcare and medical, financial services, and other industries since 2011. Their company is made up of 250 employees with offices located in San Francisco and Minsk.

SYZYGY Warsaw is a full-service digital product development agency based in Warsaw, Poland, with an office in London. The agency, founded in 2016, has a staff of more than 50 that provides web development, UX/UI design, and mobile app development services to various companies.

Noisiv Consulting, a web design agency, is located in New Delhi, India. Launched in 2021, the small team offers web design, custom software development, mobile app development, ux/ui design, and more.

Voodoochilli is a web design company located in Hereford, United Kingdom; London, United Kingdom and Boliqueime, Portugal. They focus on web design, ux/ui design, web development, digital strategy, and more and were founded in 2001.

Altamedia is a CRO agency located in Tallinn, Estonia. They have a team of about 5 individuals who offer conversion optimization services to midmarket businesses in the e-commerce, business services, financial services, and automotive industries.

Founded in 2013, UX247 is an UX agency. The agency offers ux/ui design and has a small team. The agency is headquartered in London, United Kingdom.

Usertive is an UX agency launched in 2020. Headquartered in Warszawa, Poland, their small team provides ux/ui design, web development, e-commerce development, and blockchain.

Plan Z is a full-service agency founded in 2015 with a team of over 50 people. Based in Karachi, Pakistan, they are experts in social media marketing, mobile app development, and logo services. They work with small and mid-market firms in the fields of energy, consumer products, and education.

Pixel Jar is a development agency based in Tustin, Calif. They were founded in 2004 and employ a team of 4. The company specializes in web and e-commerce development, web and UX/UI design, branding, and more.