Top Software Development Companies in California | September, 2026

ScalaCode helps ISVs and enterprises build AI-powered products with vetted remote developers from India. From LLM apps and MLOps to full-stack delivery, our PODs ship fast, securely, and cost-effectively for US/EU time zones—under strict NDAs and SLA-driven execution.Read More About ScalaCode™

Tech.us is an AI software solutions company that provides AI development, mobile applications, cloud consulting, and IT services. We focus on creating secure, scalable, and innovative technologies that support businesses in their digital journey.Read More About Tech.us, Inc

We are a reliable partner in Digital Engineering and Enterprise Modernization. Our team combines extensive technical expertise with industry experience to assist our clients in predicting what is coming next and finding answers to potential questions. Our proven solutions and services provide a distinctive competitive edge for our clients by enabling them to gain a broader perspective and surpass their competitors.Read More About Persistent Systems

RBM Soft is an enterprise product engineering partner helping organizations design, modernize, and scale digital solutions. With strong expertise in AI, data, and cloud technologies, we build reliable, future-ready systems that support long-term growth. Since 2015, we’ve enabled businesses to improve operations and accelerate innovation through structured engineering practices, automation, and a quality-driven approach that ensures sustained value beyond launch.Read More About RBM Soft

Squareboat is a design-first software development company founded in 2013, specializing in building world-class digital products for startups and enterprises. They offer web and mobile app development, UI/UX design, cloud solutions, and AI/ML expertise. Known for a product-focused approach, Squareboat also provides staff augmentation services through Crewmate and serves clients globally from its headquarters in Gurgaon, India.Read More About Squareboat

At AQe Digital, we are dedicated to simplifying the complexities of business through innovative software solutions, making it easier for companies and customers to connect and collaborate. We empower businesses to harness the full potential of everyday interactions, transforming them into extraordinary experiences.Read More About AQe Digital

BlockApex is a leading blockchain consulting company founded in 2021 that has established itself as a global leader in the industry and is renowned for delivering innovative and robust solutions. Our commitment to excellence is demonstrated through our collaborations with prestigious clients such as Script Network, Sonar, Eclipse Fi, Lightlink, Adot, Jump Defi, and Param.Read More About Blockapex

Intellectyx is an Enterprise Agentic AI innovation and delivery partner. We design, build and operate production AI that delivers measurable business outcomes. Through AI consulting, AI development and AI managed services, we help enterprises move from AI opportunity to production. Model independent, integrated with the systems you already run. Founded 2010, headquartered in Denver.Read More About Intellectyx Inc

Santhila DataBot Serves as an AI-Powered Technology Partner for business across the Globe. Santhila Databot has end-to-end expertise across AI, Industrial IoT, Data Engineering, Enterprise Applications, Cloud Engineering, and Digital Transformation.Read More About Santhila DataBot

Grayphite is an innovative software solutions company, providing tailored solutions and staff augmentation services to empower tech businesses. Read More About Grayphite

Evon Technologies, with 19+ years of experience, specializes in AI/ML, Big Data, AR/VR, Blockchain, IoT, and game development. Read More About Evon Technologies

Fission Labs is a software development company that offers end-to-end technology solutions for businesses. With a team of experienced professionals, the company provides services such as product development, cloud engineering, data engineering, DevOps consulting, and AI/ML solutions.Read More About Fission Labs Inc

Webiz Digital is a leading digital marketing agency dedicated to helping businesses grow online with innovative strategies and results-driven solutions. We specialize in SEO, social media marketing, web development, content creation, and paid advertising tailored to meet your brand’s unique goals. Our team of experts combines creativity with data-driven insights to deliver measurable success across all digital platforms.Read More About Webiz Digital

Orion eSolutions is a leading Software Development Company located in the USA with 12+ years of experience. We specialize in Web & Mobile App Development, AI Solutions, DevOps, Cloud Migration, and Managed IT Services, delivering innovative and tailored solutions for businesses.Read More About Orion eSolutions

At TOPS Infosolutions, we believe technology should simplify, strengthen, and scale businesses. As a global IT services and consulting partner, we combine deep tech expertise with AI proficiency and business intelligence to help organizations unlock their full potential.Read More About TOPS Infosolutions Pvt. Ltd.