Top 100 Internet of Things (IOT) Development Firms in California

Deepsea Developments, an IoT development company, was launched in 2017. Their small team is located in Palo Alto, California and Cali, Colombia and specializes in IoT development, architectural design, and custom software development.

AJProTech is a Los Angeles, California-based IoT development company. The small agency was founded in 2014. Their services include IoT development, product design, custom software development, and mobile app development.

Spartan is a custom software development company based in Los Angeles, California; Da Nang, Vietnam and Ho Chi Minh City, Vietnam. The midsize firm was established in 2022. Their team specializes in custom software development, web development, mobile app development, IoT development, and more.

Stanfy is a San Francisco-based app development company. Founded in 2005, Stanfy has a team of about 12 employees who specialize in mobile app development, IoT development, and wearable app development. They primarily serve small and mid-market businesses.

Yeti LLC is a software development and design company founded in 2010. They have 20 employees, all of whom work out of an office in San Francisco. Yeti's practice is extensive for a firm of its size; they offer custom software development, UI/UX design, mobile apps, and IoT development.

Founded in 2007, Theorem is a software development firm. The midsize team specializes in custom software development, ux/ui design, IoT development, IT strategy consulting, and more. The company is based in Los Angeles, California; Santa Monica, California; New York, New York and San Francisco, California.

Reinvently is a mobile strategy and app development agency in Palo Alto, Calif. and Dallas. With a team of about 43 employees, the agency specializes in UI/UX design, research and consulting, and engineering.

Founded in 1979, Voler Systems is a product design and IoT development company. The company specializes in product design and IoT development and has a small team.

Founded in 2014, Teksun Inc. is a product engineering services company. Their team of around 25 employees is based in San Jose, Calif., with an additional office in Ahmedabad, India. They focus on IoT development, product design, and cloud consulting.

Futurealiti, an user experience design agency, was launched in 2016. The company focuses on ux/ui design, AR/VR development, content marketing, graphic design, and more and has a midsize team.

HyperTrends Global is a leading software and product development company based in San Diego. The team has less than 5 employees and was founded in 2006. HyperTrends Global supports startups and enterprise clients with web development, e-commerce development, and custom software development. Notable areas of programming expertise include APIs, mobile apps, enterprise software, web applications, and M2M/IoT Software.

Software development firm Talos Digital is located in Medellín, Colombia and Austin, Texas. The midsize team specializes in custom software development, ux/ui design, mobile app development, web design, and more and was founded in 2011.

VOLANSYS Technologies is a product realization and digital transformation company based in Ahmedabad, India, and founded in 2008. Their team of more than 350 employees specializes in IoT development, cloud consulting, and mobile app development. 

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. 

iOPTIME is a Salesforce consultancy and web & mobile solutions company based in Islamabad, Pakistan. The company, founded in 2012, has a team of more than ten that provides CRM consulting & SI, mobile app development, IoT development, web development, and AI services. iOPTIME serves small and mid-market companies in the IT; consumer products & services; health care & medical; education; and GPS, navigation, & GIS industries. 

Appstem is a design and development agency with based in San Francisco. Since 2010, their team of 11 employees has been specializing in mobile app development, UX/UI design, AR/VR development, and more for mainly enterprise clients. 

Nextware Technologies is a development agency based in Santa Monica, Calif., with another office in Valencia, Spain. Since 2006, the agency and its team of fewer than 10 have provided expertise in web, custom software, and mobile app development, web design, UX/UI design, and IT managed services.

Capitol Tech Solutions is a digital agency in Sacramento, Calif. and Houston. Founded in 2010, they have about 25 employees that serve mostly midmarket and small-business clients in the education, consumer product, and business sectors. Services include digital strategy, SEO, and web design.

 Intuz Cloud is a cloud consulting company from San Francisco. It was founded in 2009 and now has a team of 70 that provides cloud consulting, system integration, and IT managed services to primarily mid-size companies in the IT and e-commerce industries.

Think Circuits is an artificial intelligence company founded in 2023. The firm offers Artificial Intelligence and IoT development and has a small team.

Calibraint Technologies is a Chennai, India-based blockchain company. The midsize team focuses on blockchain, custom software development, Artificial Intelligence, application management & support, and more and was launched in 2015.

InterKnowlogy is a small custom software development company. Launched in 1999, the team offers custom software development, Artificial Intelligence, AR/VR development, BI & big data consulting & SI, and more. The company is headquartered in Carlsbad, California.

Wellnuts is a full-source software development company based in Minsk, Belarus, with an office in Newport Beach, Calif. The company, founded in 2012, has more than 20 employees who provide, among others, web development, custom software development, and mobile app development services.

Treeline Interactive is a software development company based in San Diego. Since being founded in 2004, it has grown to a team of about 54 that does IoT development, custom software development, mobile app development, and web development. Its clients are mostly midmarket and small businesses. 

Themis Web Technologies is a software development company based in Los Angeles, California. Founded in 2007, they are a sole proprietorship that provides web development, e-commerce development, custom software development, and enterprise app modernization.

indusriaLAX is a custom software and application development company based in Los Angeles, Costa Mesa, and San Diego, Calif. Founded in 2012, their team of less than 50 provides big and small businesses through CRM consulting, custom software development, and web development.  

Opel Labs is an application testing company. In San Diego, California, their small team specializes in application testing, IoT development, Artificial Intelligence, and custom software development. The agency was launched in 2020.

Based in Escondido, California, BuildLab Consulting is an advertising company. The small team specializes in advertising, branding, logo, cybersecurity, and more and was established in 2022.

Cloud consulting & SI company Techjays was established in 2020. Their midsize team is in Santa Clara, California. Techjays specializes in cloud consulting & SI, custom software development, web development, mobile app development, and more.

ClearScale is a cloud-native systems integration, strategic consulting, and application development company founded in San Francisco with over 50 employees. They provide custom software development, mobile app development, and big data consulting services.