Best Software Development and IT Services Companies in San Francisco

We are a global Web 3.0 software engineering company with 20+ years of experience, delivering top Blockchain solutions and business value.

Yeti is a product development and design firm based in San Francisco that partners with Industry leaders, striving to stay ahead in an increasingly competitive market.  A major proponent of agile methodologies, Yeti is able to research, prototype, and test products fast and frequently. It also means we can predict and avoid snags that may surface in the development process. From beginning to end, our design and development teams partner closely with clients through meaningful conversations and extensive collaboration sessions. In a rapidly changing technology landscape, Yeti is not afraid of the unknown. And that’s how we help our clients stay industry leaders.

We are a 300+ person digital design and development studio bringing Silicon Valley to our clients worldwide. We pride ourselves on being agents of change, helping startups and Fortune 500 clients become industry leaders with innovative digital solutions.

🏆 Rated one of the Best Software Development Agencies. 🏆 Ranking in the Top 10 in multiple ranking platforms  🏆 Over 50 top-notch web applications have already proven to be effective platforms. Blackstone helps companies reshape the world through software development supporting them to build solutions that capture new markets, innovate business models, and solve business challenges. Our primary focus is to provide an excellent experience for all the people who interact with us and the solutions we provide. For us, constant and clear communication is essential in building good long-lasting relationships. That's why we value, focus, and encourage fluid conversations with stakeholders to ensure everyone is on the same page. We also understand an exceptional product is never done and that living in a fast-paced world with markets moving all the time you need fast reliable software development and our agile approach allows us to do exactly that.  We’re a partner who can understand and anticipate all your unique project needs. From scoping and architecting to developing scalable high-quality products we help and guide you every step of the way.   Our Services:     •  Web Development    •  Mobile Development    •  eCommerce    •  Website Development    •  Legacy Migrations and Debugging Refactors    •  Specialized Enterprise Software   Every project includes:     •  Project Management    •  UAT Testing   Our tech stack:     •  React, Storybook    •  React Native    •  Node.js    •  TypeScript    •  Next.js, NestJS, Gatsby.js    •  GraphQL    •  Material UI, Bootstrap, Ant Design    •  Scss, Sass, PostCSS, HTML5, CSS3.    •  Jamstack (+ Headless CMSes)    •  AWS    •  CircleCI, Github Actions    •  PostgreSQL, MongoDB    

A collaborative approach to innovation development. We are an end-to-end digital solution for technology companies, a digital partnership. Driven by a culture of continuous learning and a desire to stay ahead of the crowd.On a constant lookout for innovation or improvement, we measure our success by your success. We don't just design or develop apps, we develop solutions - we become your team and share in your passion and vision. We knew from the start that in order to be the best we would need the best. We have a team of world-class designers, developers and analysts, all with a vision of creating real and lasting change through the use of technology and an understanding of how people use it. Ready to partner?

Research. Collaborate. Build GeekyAnts is a design and development studio that specializes in building solutions for web and mobile that drive innovation and transform industries and lives. They hold expertise in state-of-the-art technologies like React, React Native, Flutter, Angular, Vue, NodeJS, Python, Svelte and more. GeekyAnts has worked with around 500+ clients all across the globe, delivering tailored solutions to a wide array of industries like Healthcare, Finance, Education, Banking, Gaming, Manufacturing, Real Estate and more. They are trusted tech partners of some of the world's top corporate giants and have helped small to mid-sized companies realize their vision and transform digitally. They provide services ranging from Web & Mobile Development, UI/UX design, Business Analysis, Product Management, DevOps, QA, API Development, Delivery & Support and more. In addition to that, GeekyAnts is the brains behind React Native's most famous UI library; NativeBase (16400+ GitHub Stars), BuilderX, Vue Native, Flutter Starter, apibeats and hold numerous other Open Source contributions to their name. GeekyAnts has offices in the US (California), India (Bangalore) and the UK (London).

Diffco is a leading app development company of world-class senior developers that boost companies to become market leaders. 14+ years of experience in Mobile, web, and AI product development. Launch, accelerate, and support your business applications. Long-term relationship and focus on reliability and trust. 1100+ successfully launched projects all over the globe. We engage the best experts with relevant skills and deep experience in your specific industry to meet your needs. Award-winning agency.   Trust our developers to deliver great cost-effective solutions. We focus on the product and work on the whole project creation from ideation to a sophisticated technological implementation with continuous development and support.   What do we offer? Transparent billing; Always clear communications with you about everything; Only dedicated project teams with no cross-project sharing; Vetting and verification of team member expertise; Detailed reporting and deliverables.   Choose a convenient way to work with us: Full-project development with hiring a team of dedicated professionals necessary to design, develop and launch your project.    Team augmentation with hiring an expert or a custom group of professionals formed by us and will become a dedicated part of your team.  

TheoremOne is an innovation partner that builds new lines of business using technology as an enabler. We advise clients on digital product strategy, engineering, design, and culture, then partner with them to build, launch, and adopt new ways of working using custom software and business platforms.  Change the way problems are solved. Practical consulting Sophisticated engineering Effective methods Flexible working models Interesting people Simple monthly rates What we do: Innovate: New product development & innovation Modernize: Legacy modernization & workflow automation Rescue: Save failing tech projects & vendors Advise: Management consulting for digital transformation Accelerate: Strategic team augmentation Read more...

Catalyst UX is a leading full-service user experience design and development firm with specific practice areas in Medical, Life Science, and FinTech. Our unified UX approach, refined in over 700 engagements, provides clients with strategic digital innovation, ongoing user validation, risk reduction, and accelerated time to market. tion: none; vertical-align: baseline; white-space: pre-wrap;">Clients work with Catalyst UX because of our focused experience and industry expertise. When you work with Catalyst, you’ll have access to a dedicated, flexible team who will ensure your solution gets to market on time and under budget.   While we work across industries, we have deep expertise in: Medical & Life Sciences We design and deliver innovative software for medical and life sciences. We understand the complexities of this highly regulated industry through our experience spanning virtual care, digital therapeutics, patient monitoring, diagnostic imaging, medical devices, clinical trials, and chronic care. Learn more here: https://catalystux.com/medical FinTech Our work with FinTech providers brings innovative solutions to market that impact the lives of people across the globe. We have experience with: payment processing, asset management, cryptocurrency, digital banking, insurance, lending, payroll, real estate, investing, compliance and alternatives. Learn more here: https://catalystux.com/financial   We work with companies in three main areas: Application Moderization Each year $1.8 trillion is wasted on legacy systems. If you are operating legacy software, it's time to migrate. Work with Catalyst UX - the leader in legacy system modernization. Full UX Design & Development Our seasoned multi-disciplinary teams can deliver the full UX design and devlopment of your digital solution in 90-120 days. Digital Innovation Catalyst UX has been helping clients deliver innovative digital solutions for over 29 years. We know how to approach, design and develop software that solves complex problems.

Our team consists of more than 60 professionals from all over the world. Many of them, apart from being brilliant programmers, are engineers and have Ph.D. in mathematics, algebra, game theory. We focus on high complexity tasks in the area of computer science. Our core competences are AI and blockchain. Service lines of Serokell are: ⦁ Research - our team of math and computer science academics uses respective skills to analyze whitepapers, find an opportunities to realize a bravest customer's ideas and come up with solutions that are non-generic and attuned to the needs of customers. ⦁ Development - architecture, protocol, implementation: offering full-cycle development we make sure that our software has a neat dependency structure and is fail-safe. ⦁ Auditing / Consulting - by auditing the technological and business processes of the company, we find opportunities to optimize it and build a list of actions to improve. Shedule a free consultation https://serokell.io/contactsRead more...

Mangosoft is a software engineering company that delivers business-transforming solutions with a focus on the functionality, innovativeness and best industry practices. Therefore, we create projects that help clients to boost their revenues, decrease operational costs and increase business effectiveness. We have delivered 250+ projects for clients across 30+countries, and have offices in the USA and Eastern Europe. Our company has solid experience of a close collaboration with market leaders including EBRD, Electronic Arts, and TouchPress, as well as with middle-sized businesses and startups. For each of our projects, we form a team of the best niche experts with desired technology skills. As a result, we deliver the product that perfectly matches all the project’s requirements and a customer gets optimal development costs and time-to-market. Transparent SDLС process, clear communication, and first-class services allow us to establish a long-term partnership with our clients and reach 62% of repeat business. First of all, we act as a strategic technology partner for our clients. That’s why we follow our main business approach - we don’t sell hours, we take responsibility for the final product. Specialties • Enterprise software, web, & mobile app development • Dedicated team • Technology Consulting • Software Testing & QA • DevOps • Cloud Services • UX/UI • Maintenance and Support Main corporate facts: • 90% of clients are ready to recommend us • 5+ mln of revenues our tech solutions let businesses increase • 70 % of our staff are specialists on seniors and middle positions • 3+ years is an average period of a partnership with clients  

Scrumteams is situated in Elk Grove California, offering a number of services for the digital upbringing of the brands. We provide digital solutions for your business and bring innovations to it. Scrumteams offers remote IT workers and exceptionally talented software engineers tailored to your project development needs.  e; vertical-align: baseline; white-space: pre-wrap;">We have dedicated teams of professionals to provide hiring services for your business. You can hire remote developers from our website that will ease your work by increasing productivity. You can hire remote employees from scrum teams as we deal as both offshore development teams and nearshore development teams. Moreover, you can hire software engineers remotely for numerous technologies such as frontend development, backend development, full stack development, mobile app development etc. We are an IT staff augmentation firm that aims to fill in your employee gaps by increasing productivity. 

HashCash is a global software company offering solutions in Blockchain, AI, Big Data, and IoT through its platforms, products & services. HashCash Blockchain products enable enterprises to move assets across borders in real-time for Remittances, Trade Finance, Payment Processing, and more. HashCash runs US-based digital asset exchange, PayBito & Digital asset payment processor, BillBitcoins. HashCash offers Exchange solutions, Payment processor software, ICO services, and customized Blockchain use case development. It propels advancement in technology through Blockchain1o1 programs and its investment arm, Satoshi Angels. HashCash solves the toughest challenges by executing innovative digital transformation strategies for clients around the world.

Create enterprise-class systems based on Go that are easy to develop, maintain, and scale. We improve Apart from doing our job, we’re always looking for ways to improve the organizations we work with. Our developers are not only closing Jira tasks - they are proactive and eager to do much more! We care We assign well-coordinated dev teams to combine efforts with your resources. We always ensure our developers are comfortable, familiar with the project, and socialized with the company. We grow Every developer on our team is a world-class expert. We guarantee their professional development. Together we have vast experience with helping large companies implement Go.

We partner with the world’s most valuable brands to build digital solutions that transform businesses. As a digital native, we bring a 27-year track record of accelerating business impact through complete and scalable digital solutions. With a global presence of 7,000+ professionals in strategy, research, data science, design and engineering, we unlock top-line growth, improve customer experience and drive operational efficiency.      

Cledar’s engineering team helps ensure that your complex data project has the right architecture to build a robust and scalable infrastructure.Cledar’s team consists of former CERN leadership and a scalable roster of expert engineers fluent in areas such as deep learning, AV processing, financial modeling, industrial and commercial process monitoring, and data mining.Cledar is headquartered in Poland with an office in the San Francisco Bay Area.