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Top San Francisco Bay Area, CA App Development Companies (30)

Information Technology • App development
2 Offices
400 Employees

CONTUS TECH has emerged as a leader in digital transformation in the past decade by enabling digital initiatives for Fortune 500 clients worldwide. CONTUS TECH is one of the pioneers of mobility, cloud transformation, full stack product development, IOT and Gen AI in India. Our expertise and commitment to excellence ensure that we provide top-of-the-line technology solutions tailored to meet the unique needs of our clients. In addition to our wide service offerings, CONTUS Tech is renowned for its flagship communication and media streaming products - MirrorFly, VPlayed, and OntheFly. These high-performing products have been globally ranked top 3 in the respective categories. Our reach extends across 12+ countries serving a vast client base in the United States, Canada, the United Kingdom, Australia, Western Europe, and most of Asia. With over 16 years of experience, we have helped hundreds of clients achieve faster, more robust, and sustainable growth, delivering transformative outcomes that drive success. Partner with CONTUS Tech to bring your digital aspirations to reality and stay ahead of the competition.


Music • Software • App development
San Francisco, California, USA
10 Employees

We make Voloco, a voice processing app with over 60 million downloads. The best place to hear what people have done with Voloco is our Instagram account: https://www.instagram.com/volocoapp/

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eCommerce • Enterprise Web • Fintech • Healthtech • Information Technology • Software • App development
Fully Remote, USA
130 Employees

NEKLO is a team of 130+ professional software developers who create custom software, web and mobile apps for companies of all sizes and from multiple industries. NEKLO experts also consult businesses on cybersecurity, tech stack, IT project strategy and help with MVP/PoC. During 15+ years in the industry NEKLO helped clients from such industries as eCommerce, construction, HealthTech & FinTech, banking, entertainment, energy and more.


Artificial Intelligence • Cloud • Information Technology • Software • Cybersecurity • App development • Big Data Analytics
20 Offices
23,000 Employees

Persistent Systems is a leading provider of digital transformation services, offering innovative solutions tailored to various industries worldwide. With a robust global presence, they deliver cutting-edge services in product engineering, digital strategy, and data analytics, helping businesses thrive in today's rapidly evolving landscape. From healthcare and financial services to retail and manufacturing, Persistent Systems empowers organizations across diverse sectors to embrace technology and drive sustainable growth.


Beauty • eCommerce • Retail • App development
San Francisco, California, USA
17,000 Employees

Sephora is a leading global prestige omni-retailer with a mission to expand the way the world sees beauty by empowering the extraordinary in each of us. We operate over 2,700 stores in 35 territories worldwide, and a world-class ecommerce site. Since opening our first US store in 1998, Sephora has been an industry-leading champion of diversity, equity, and inclusion, guided by our longstanding company values. Sephora is a powerful beauty presence around the world thanks to our unparalleled assortment of prestige products in every category, unbiased service from beauty experts, interactive shopping environment, and relentless innovation.


Consumer Web • Mobile • Software • Virtual Reality • Design • App development • Generative AI
5 Offices
171 Employees

Blink UX is a global product design consulting firm creating products and experiences people use, love, and remember. Blink has over two decades of experience in UX research, strategy, and design, partnering with innovative industry leaders, including Amazon, JPMorgan Chase, Google, Meta, The New York Times, and NASA.


Software • App development
San Francisco, California, USA
20 Employees

Proleadsoft is an award winning and 5-star rated software, web and app design, development, and digital marketing firm based in the San Francisco Bay Area.


Artificial Intelligence • Blockchain • Fintech • Information Technology • Software • Virtual Reality • App development
Emeryville, California, USA
1,000 Employees

Seasia, being the well-known world-class software provider, serves small, medium, and large-sized businesses in a seamless and secured manner. We enable the competitive digital strategies within your organization that will boost your business. We work around different business verticals for the assured growth of your business. Our persuasive and effective solutions are known to outperform competitors. We identify, evaluate and develop strategic business relationships to provide the best possibilities in the industries. Our main goal is to craft innovative digital experiences with cutting-edge technologies.


Healthtech • Software • App development
San Francisco, California, USA
7 Employees

Create compliant healthcare apps quickly Medplum is a powerful, open source healthcare data platform built by industry veterans.


Information Technology • Machine Learning • Software • Analytics • Business Intelligence • App development • Generative AI
8 Offices
2,000 Employees

Nisum is a leading technology consulting partner based in Silicon Valley that designs and builds custom digital commerce platforms. We specialize in software development, digital strategy and transformation, insights and analytics, business agility, and blockchain. Founded in 2000 with the customer-centric motto “Building Success Together®,” we have grown professionals across North America, Latin America, India, and Pakistan. As the preferred advisor to leading Fortune 500 brands, we help our clients achieve measurable business growth by building the advanced technology needed to excite end customers in today’s world with immersive and seamless experiences across digital and physical channels.