Top Software Development Companies in San Francisco, CA
We ranked 12 software development companies in and around San Francisco, CA on client reviews, how many are verified, service focus and profile completeness. Includes companies in nearby Oakland. Updated October 2026. How rankings work
Teams that design, build and maintain software, from web and mobile apps to the internal systems a business runs on.
- Rank 1
San Francisco agency that builds and maintains custom web apps, mobile apps and APIs for companies from startups to large enterprises.
No reviews yet
San Francisco, CA
- Web Development
- API & Integration Development
- Mobile App Development
- Team
- 10-49 people
- Rank 2
San Francisco studio that plans, designs, builds and tests web and mobile apps, with AI features, for Bay Area startups and larger brands.
No reviews yet
San Francisco, CA
- Mobile App Development
- Web Development
- AI & Automation
- Team
- 50-99 people
- Rank 3
Small San Francisco product team that builds, modernizes and secures software for startups and large enterprises, with design and DevOps included.
No reviews yet
San Francisco, CA
- Custom Software Development
- Product Design & Development
- Web Development
- Team
- 1-9 people
- Rank 4
San Francisco product agency that designs and engineers native and React Native mobile apps and web products for brands and startups.
No reviews yet
San Francisco, CA
- Mobile App Development
- Web Development
- UX/UI Design
- Rank 5
San Jose agency that designs and builds enterprise websites and CMS platforms for B2B technology and other complex companies.
No reviews yet
San Francisco, CA
- Web Development
- UX/UI Design
- API & Integration Development
- Rank 6
App and AI development agency with a Redmond office, building mobile apps and agentic AI products for mid-market and enterprise companies.
No reviews yet
San Francisco, CA
- AI & Automation
- Mobile App Development
- Product Design & Development
- Team
- 100-249 people
- Rank 7
San Francisco studio that designs and builds interactive data visualizations, digital maps and data platforms for public and private clients.
No reviews yet
San Francisco, CA
- Web Development
- Custom Software Development
- UX/UI Design
- Rank 8
Oakland agency that researches, designs, builds and supports Drupal and WordPress websites for nonprofits, universities and public agencies.
No reviews yet
Oakland, CA
- Web Development
- UX/UI Design
- Rank 9
Dallas AI consulting, design and engineering firm building AI solutions and digital experiences for regulated enterprises.
No reviews yet
San Francisco, CA
- AI & Automation
- Product Design & Development
- Custom Software Development
- Rank 10
San Francisco UI/UX design and development firm that builds data-heavy B2B SaaS products, design systems and AI features.
No reviews yet
San Francisco, CA
- UX/UI Design
- Web Development
- AI & Automation
- Rank 11
Design and development studio for SaaS and B2B tech products: UI/UX, web apps, design systems and branding.
No reviews yet
San Francisco, CA
- UX/UI Design
- Product Design & Development
- Web Development
- Team
- 50-99 people
- Rank 12
UX design and branding agency that also builds websites and digital products, with frontend and backend developers.
No reviews yet
San Francisco, CA
- UX/UI Design
- Product Design & Development
- Web Development
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