Best California Fintech Software Development Companies

212 Companies - Rankings updated: May 19, 2026

All agencies on DesignRush undergo evaluation based on professional expertise and verified client reviews. Please note that certain placements are paid partnerships.

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United States × California ×

  • Blue Trail Software

    More Than Code We Build Trust Through Craft & Commitment

    More Than Code We Build Trust Through Craft & Commitment

    Engineered with integrity. Backed by mentorship. Delivered with care. BTS transforms ideas into scalable, secure, and impactful digital products that deliver long-term value.  [... view Blue Trail Software profile ]
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $50,000 & Up
    View Profile

  • ITColark Consulting

    Building Smart Enterprise Solutions For Growing Businesses.

    Building Smart Enterprise Solutions For Growing Businesses.

    ITColark Consulting delivers customized enterprise software and IT solutions that help businesses streamline operations, scale efficiently, and achieve digital growth.  [... view ITColark Consulting profile ]
    Location
    California City, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $11/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile

  • AlgoRepublic

    Our expertise makes a positive impact to your business

    Our expertise makes a positive impact to your business

    AlgoRepublic offers comprehensive business automation, product development, and software/web development services to clients globally. Our expertise ensures innovative and efficient solutions tailored to meet the diverse needs of businesses worldwide.  [... see all AlgoRepublic reviews ]
    Location
    Los Angeles, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $30/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
    View Profile
    4.3 4.3 (1)
    4.8 4.8 (18)

  • Webllisto

    Webllisto is a prominent IT Consulting and Engineering firm offering clients the finest Web and Software development services for their business. Our exceptional Web services are dedicated to Enterprises, ISVs, Startups, and digital agencies.  [... view Webllisto profile ]
    Location
    San Jose, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed
    View Profile
    4.7 4.7 (61)

  • EpicBliss

    EpicBliss Solutions provides a variety of IT services.

    EpicBliss Solutions provides a variety of IT services.

    Many worldwide clients are now using "EpicBliss" benchmark solutions, We're capable to drive you to the right tech-track for your laudable idea. So, let's scrutinize your business need, mold it and establish it with the latest and most suitable technologies.  [... see all EpicBliss reviews ]
    Location
    Ontario, California
    Number of Employees
    Under 49
    View Profile
    4.3 4.3 (1)
    5.0 5.0 (36)

  • Dreamer Technoland

    Full Cycle Software & Mobile App Development Company.

    Full Cycle Software & Mobile App Development Company.

    Dreamer Technoland is a web development, mobile app design and development company building reliable solutions for businesses and startups.  [... view Dreamer Technoland profile ]
    Location
    Alameda, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    3 Projects Listed
    View Profile
    4.4 4.4 (28)

  • Persistent

    See Beyond, Rise Above.

    See Beyond, Rise Above.

    Persistent Systems, a renowned global leader in software product development and technology services. Delve into our innovative offerings to stay ahead in the ever-evolving landscape of technology.  [... view Persistent profile ]
    Location
    Santa Clara, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $50,000 & Up
    View Profile
    4.6 4.6 (730)

  • Rainstreamweb

    Where Business Gets Success

    Where Business Gets Success

    Rainstream Technologies is a website design and development company based in India that has been providing professional services since 2014, with an extensive portfolio of over 500+ projects.  [... view Rainstreamweb profile ]
    Location
    Ontario, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • CONTUS Tech

    Your Digital Growth Success Partner.

    Your Digital Growth Success Partner.

    CONTUS Tech stands as a prominent global authority in digital engineering services, heralded for its transformative impact on businesses worldwide. Our forte lies in crafting cutting-edge digital products, pioneering connected vehicle experiences, and spearheading next-generation streaming services that  [... view CONTUS Tech profile ]
    Location
    Santa Clara, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $25,000 - $50,000
    View Profile
    4.0 4.0 (314)

  • TechnoBrains Business Solutions

    Empowering Businesses Through Innovative Software Development

    Empowering Businesses Through Innovative Software Development

    TechnoBrains Business Solutions is a global software development and AI solutions company founded in 2009, delivering custom web, mobile, AI, and enterprise software solutions for startups, SMEs, and established enterprises worldwide. Headquartered in Ahmedabad, India, with a presence in the United States  [... view TechnoBrains Business Solutions profile ]
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Minimal Budget
    $10,000 - $25,000
    View Profile
    4.8 4.8 (27)

  • Squareboat

    Design Driven Success

    Design Driven Success

    Squareboat is a design-first software development company with offices in India and the US. Through our Crewmate division, we help global businesses hire top remote developers and build fast, scalable digital products.  [... view Squareboat profile ]
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $25,000 - $50,000
    View Profile
    4.4 4.4 (256)

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About The Author and Expert Reviewer

Content Specialist

selina@designrush.com

Selina Garcia has authored 500+ articles and edited 50+ published books in economics, law, and history. Her unique blend of experiences allows her to approach content creation from a well-rounded perspective. Currently, Selina applies her expertise to producing insightful articles on IT, software, and applications for DesignRush.

Former Development Director

spotlight@designrush.com

Sergio is a technology leader with over six years of experience managing global teams and delivering projects across fintech, sportstech, and B2B platforms. At DesignRush, he drove product growth and development execution, building tools that speed up processes by 95% and cut costs by 35% while maintaining full uptime.

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