Top Software Companies in California in 2023

Having offices in NYC, USA, and India, we have successfully delivered 100+ projects across 15+ industry verticals in 25+ countries. From custom software development and application development to website design and CMS development, web development, and e-commerce website development, we have engineered digital solutions to accelerate efficiency and drive growth for startups, SMEs, and enterprises. Named as one of the fastest 50 growing tech companies in 2019 by Deloitte, we have a portfolio of clients who have achieved Unicorn status. As one of the most-trusted technology solution providers, we give you access to our onshore, offshore, and nearshore engagement models.

TATEEDA has vast experience in building custom software systems for US healthcare and biotech organizations. We’ll be happy to invest our expertise and technical skills into your next healthtech project, focusing on your requirements, goals, and timelines.

Sibedge is a globally distributed software engineering company that puts people first. For over 15 years, we have successfully implemented over 350 projects across more than 27 countries. With headquarters in Australia and teams of highly-trained engineers around the world, Sibedge delivers high-value services to empower clients digital transformation and strengthen clients' software solutions. Sibedge service architecture combines both product- and project-minded development disciplines. The service architecture offers five services that have an agile partnership at their core.

ScrumLaunch is headquartered in Los Angeles, CA and Kharkiv, Ukraine.

Our values:

Prototyping & Customer Research. We place a heavy emphasis on design sprints, customer validation, and user analytics.

Effective Communication. Our scrum approach places a heavy emphasis on daily communication, user stories and rapid feedback.

Quality Software Development & QA. We believe in using the most modern technology, emphasizing QA automation and a disciplined deployment process.

LeverX is an international company and a global system integrator that specializes in SAP implementation and customization. For over 20 years, it has been sustaining a reliable and reputable partnership with SAP. LeverX's deep expertise is based on successful cooperation with SAP as a Preferred Vendor since 2004. As an SAP Gold Partner and Global Strategic Supplier, the company helps companies leverage investments in SAP solutions.

Vention is a global software engineering leader known for scalable technology. With HQ in NY and 20+ offices, we offer access to 3,000+ engineers worldwide. Partnering with tech enterprises, startups, and innovators, we align with in-house teams to accelerate product vision, innovation, and scaling.

Stateside is an award-winning creative & technical Staff Augmentation agency that provides premium talent services in the United States. We build your digital team so you can focus on building your business.
We are headquartered in Los Angeles, California with offices in Costa Rica.
We have been featured as the Top Mobile App Development Company in Los Angeles in 2020 and 2021.

Transform your ideas into reality with Frenchy Digital. We are the software development firm of choice when it comes to entrepreneurs, startups, and innovating enterprises looking to create impactful apps that act as industry movers. Our team of experienced engineers is fully equipped to take your project from concept to completion, ensuring you get the best results possible in as little time.

Imaginary Cloud is a Software Development and UX/UI Design company that has helped build and launch more than 300 web & mobile applications worldwide together with industry leading clients such as Nokia, Thermo-Fisher and BNP Paribas.

With more than 10 years of experience, Imaginary Cloud entered the international ranking of the Top 100 Fastest Growing Companies and Top 1000 Global Companies in 2020 by Clutch and then won UK´s Top B2B Company in 2021. Offices in PT, UK and US.

HashCash is a global software company. Banks, exchanges, merchants and other Enterprises use HashCash Products for remittance, corporate payment, currency exchange, payment processing and more. HashCash runs US-based digital asset exchange, PayBito & digital asset payment processor, BillBitcoins.

Ionixx Technologies is a modern-day blockchain development company that caters to both startups and enterprises. Having started its operations in 2003 as a software services and product development company, the company branched out into cutting-edge technologies including blockchain development. As one of the early adopters of blockchain technolog, Ionixx has built several use cases for a diverse clientele comprising big technology firms and startups that have achieved and sustained successful results. With design-driven development at its core, Ionixx promises to deliver secure, authentic, and high-quality blockchain solutions. So if you are looking to get a dynamic decentralized network built on blockchain, get in touch!

Incorporated in 2009 and headquartered in the USA, OpenXcell is an industry-leading & most reliable software and mobile app development company known for delivering innovative software solutions and engaging mobile apps. Due to our unstoppable quest for adopting newer technologies & innovations, we have evolved into a one-stop destination offering end-to-end Business & Technology Consultation.

Magneto is an award-winning eCommerce agency. Our core competencies lie in developing market-leading end-to-end B2C, B2B eCommerce solutions development, ERP, CRM integration & Digital Marketing. From creating strikingly beautiful web stores to innovative mobile applications, our team uses the agile methodology to develop industry-leading User Interfaces to deliver the perfect experience to the end-user.

We know how to create business value, not just another piece of software. Yellow has already helped 220+ businesses succeed on the market. Our team is ready to help you realize your AI or ML. We understand that AI is not just a buzzword, but a powerful tool that can reshape the way you operate and thrive in the modern world.

Software Development & Design for Innovative Companies

Digital Product Development & Innovation | Product Design & UI/UX/CX | Data Insights & Artificial Intelligence | App Modernization & Cloud Migration

Cqlsys Technologies is a leading and successfully running web design, and mobile application development service provider company that has world-class custom development resources and also highly qualified professionals. We are focused on innovation and creativity to lead the change, since its advent in 2011.

We design and develop technology products and platforms that give you a distinct digital advantage. Our clients get a wide range of ROI-driven solutions infused with our technical and strategic excellence.

VironIT develops custom software to help businesses reach new heights, improve the quality of the existing product, reduce time to market and development costs.
Having fulfilled over 500 software development projects, VironIT has gained extensive experience in financial services, travel, retail, eHealth, and game dev industries.
Seasoned developers, top-tier project managers, business analysts, and UX/UI designers provide high-quality and cost-effective software development services. VironIT provides services including the development of mobile applications, web-oriented applications, business software solutions, as well as software integration and updating, support, and maintenance of software applications.

Appello is a full-service software company that offers competitive mobile & web software development for enterprise and startup clients in Australia.

We create award-winning apps, web-apps, and software products.
Our full-stack engineers, frontend engineers, UX/UI designers and industry-leading project managers are ready to take your project to the next level.

ITRex is an IT consulting and software development company that creates and transforms products, services, and enterprises to drive business growth today and into the future.

Artificial Intelligence. Augmented Analytics. Machine Learning. Big Data. Robotic Process Automation. Over a decade, the company has applied in-depth expertise in a wide range of technologies across focus industries – FinTech, Retail & Ecommerce, Healthcare & Biotech, Transportation & Logistics, Entertainment & Media. The team has delivered hundreds of game-changing solutions to Fortune 500 giants, enterprises, and startups.

ITRex turns technology innovation into market-ready products and solutions to help businesses gain a competitive edge, increase operational efficiency, and maximize profits.