Best Software Development Companies in Marin County, CA

Cidersoft is a software development company serving businesses in Marin County. It develops web and mobile apps, and e-commerce implementation solutions. Each software is built with scalability, data security, and simple navigation in mind to help ensure that it can manage the client's increasing customers. Its staff uses current technologies, such as Java, C#, React, Laravel, and MySQL. Cidersoft has developed over 100 apps for a diverse clientele, including Enkeli, Boulevard Cafe, Wholehealth, and Scarlett Education. It is a member of the Forbes Business Council.

Railwaymen provides custom software solutions to businesses in the Marin County metro. The company offers development services such as web, mobile, MVP, social networking software, marketing software, and construction software. Additionally, its team works on projects involving digital transformation, restaurant management software, and product design. Railwaymen was founded by four people in 2009 and now employs more than 55 professionals. More than 150 mobile and web projects have been launched by the company.

XICOM is a software and app development company helping Marin County businesses gain a competitive edge in the market. It handles comprehensive end-to-end software development projects for mission-critical applications deployed in different platforms and various verticals. Its software developers assess client requirements, plan project timelines, and conduct testing, development, and migration tasks. XICOM is an ISO:9001-certified company that has been operating for over 15 years. It has accomplished over 7,500 projects for more than 1,500 clients worldwide.

Svitla is a custom software development company and testing provider that caters to companies in and around Marin County. It delivers services in different models, such as managed team extension, AgileSquads, and consulting. The agency builds and customizes software from scratch, acts as an extension of a client's team, or puts together a team of engineers, Scrum Masters, and QA experts to work on a specific project. Svitla's clientele includes Stanford University, Ingenico Group, And Cuervo.

Artenergy is a Bay Area-based design and digital development agency that writes custom software for businesses in Marin County. It offers interaction and UI/UX design, embedded GUI, high-fidelity prototyping, IoT apps, and database architecture. Among its latest products is iinside, a program that provides an end-to-end analytics suite for the worldwide travel market. Additionally, the company provides web development, storyboard, and video production. Artenergy was started by Aliona Sanarina and Sergey Martinov in 2000 and has since worked with startups and Fortune 500 companies.

Carmel Software has been providing tech solutions to businesses in Marin County and nearby areas since 1995. It works on mobile, desktop, and web-based software engineering projects. It develops iOS and Android apps for its clients in the HVAC, energy, and engineering sectors, which include Carrier, Fujitsu, Autodesk, and Crane Technologies. The company also utilizes tools like Green Building XML and Revit Family Creation. Carmel Software conducts training webinars on how to operate its HVAC mobile apps.

Tech Tonics provides software development solutions for locals in Marin County. The company's software developers have knowledge of user interface practices and optimal coding methods that enhance user experience and search engine ranking. In addition, they offer web development services. These professionals develop a content management system that enables clients to manage their content while requiring no technical skills. The team works with HTML, PHP, or other raw code to out-of-date content management systems. SEO, web design, and hosting services are also available.

SDLC CORP is a globally recognized software development company delivering robust, secure, and future-ready digital solutions to modern business challenges in Marin County, California. Headquartered in the USA, with strategic presence across the UK, Australia, UAE, India, and Singapore, its team empowers organizations — from startups to Fortune-level enterprises — to accelerate digital transformation, enhance operational efficiency, and unlock new revenue streams through technology. The team specializes in full-cycle product development — from ideation and architecture to design, engineering, deployment, and post-launch support. Core offerings include web development, mobile app development, AI & machine learning solutions, digital transformation, game development, and iGaming solutions (poker, casino, rummy, and AAA games). SDLC CORP delivers digital experiences that are intuitive, high-performing, and aligned with clients' long-term goals. Its multidisciplinary teams bring together the best of strategy, design, and engineering to craft solutions that create measurable business impact.