Country: United States
State: California

List of the Top California Custom Software Development Companies

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  • Saritasa

    Saritasa

    Empowering Clients with Technology!

    $25,000+
    $100 - $149 / hr
    50 - 249
    Newport Beach, CA
    Service Focus

    "They work with you according to your budget and prioritize items to help with the cost."

    • President & Owner, CARESPHERE LLC
  • Sidebench

    Sidebench

    Top Product, Technology, & Venture Design Firm

    $50,000+
    $150 - $199 / hr
    50 - 249
    Santa Monica, CA
    Service Focus

    “The design team at Sidebench is also very impressive; they have truly blown us away.”

    • Founder & CEO, Fashion & Style Platform
  • Vincit

    Vincit

    Software Development, Design & Marketing Services

    $50,000+
    $150 - $199 / hr
    250 - 999
    Irvine, CA
    Service Focus

    "They performed at a high level in terms of design and creating new tech which they hadn't had experience with before."

    • Co-Founder, Supercar Auction Platform
  • WLCM App Studio

    WLCM App Studio

    App Design, Strategy, and Development Agency

    $100,000+
    $50 - $99 / hr
    10 - 49
    San Francisco, CA
    Service Focus

    “Their attitude around accountability is vital for us. They act as an extended part of our team.”

    • Former VP of Product, HeyMama
  • SF AppWorks

    SF AppWorks

    ✅ Web & Mobile Development | Trusted Since 2012

    $10,000+
    $50 - $99 / hr
    50 - 249
    San Francisco, CA
    Service Focus

    "They’re incredibly creative and client-focused."

    • Project Director, Business for Impact-Georgetown University
  • Endertech

    Endertech

    Transparent Method. Tech Wit. Talented Minds.

    $5,000+
    $100 - $149 / hr
    10 - 49
    Los Angeles, CA
    Service Focus

    "I was very fortunate that Endertech was levelheaded, earnest, sincere, and capable."

    • Owner, Riko Weimer International
  • Goji Labs

    Goji Labs

    Build It Right The First Time

    $25,000+
    $100 - $149 / hr
    10 - 49
    Los Angeles, CA
    Service Focus

    "They were always available to answer any questions we had."

    • Director, Vascular Neurology of Southern California
  • Sunrise Integration

    Sunrise Integration

    Enterprise Solutions & Ecommerce Apps

    $5,000+
    $100 - $149 / hr
    10 - 49
    Los Angeles, CA
    Service Focus

    "The partnership went as smoothly as I expected — they did everything we asked of them."

    • SVP Ecommerce & Technology, Mad Engine
  • Wonderment Apps

    Wonderment Apps

    Design Like A Butterfly, Code Like A Bee

    $5,000+
    $50 - $99 / hr
    50 - 249
    Los Angeles, CA
    Service Focus

    "Wonderment Apps was truly professional, and they keenly listened to our needs."

    • Program Manager, Mailing & Shipping Company
  • Toptal

    Toptal

    Hire the top 3% of freelance talent

    $50,000+
    $100 - $149 / hr
    1,000 - 9,999
    San Francisco, CA
    Service Focus

    "It was a big success."

    • President, Reformation Services LLC
  • Expedition Co.

    Expedition Co.

    Agile Software Design and Development

    $50,000+
    $100 - $149 / hr
    2 - 9
    El Segundo, CA
    Service Focus

    "I appreciated having the co-founder involved and making sure we had what we needed."

    • CEO/Co-Founder, Afissio, LLC
  • TheoremOne

    TheoremOne

    Custom Software & Effective Technology Consulting

    $100,000+
    $150 - $199 / hr
    250 - 999
    Los Angeles, CA
    Service Focus

    "Their thought-leadership in design and their ability to quickly pick up on what we were looking for from the platform."

    • CTO & President, iMercatus Holdings LLC
  • Metal Toad

    Metal Toad

    AWS Application Development | AWS Advanced Partner

    $25,000+
    $150 - $199 / hr
    50 - 249
    Los Angeles, CA
    Service Focus

    "They have done an excellent job of hiring talent and managing issues."

    • VP of Digital Strategy, Membership and Awards Media Business
  • Wildebeest

    Wildebeest

    Hands-on digital agency for creative brands

    $50,000+
    Undisclosed
    2 - 9
    Marina del Rey, CA
    Service Focus

    "Their work ethic was truly pivotal in our project’s success."

    • CMO, AI Search Engine Company
  • Niftic Agency

    Niftic Agency

    Creating more positive interactions.

    $10,000+
    $150 - $199 / hr
    2 - 9
    Los Angeles, CA
    Service Focus

    "They did whatever they could to support our goals and objectives."

    • Director of Marketing, Venture for America
  • Solwey Consulting

    Solwey Consulting

    Custom software solutions to elevate your business

    $10,000+
    $100 - $149 / hr
    10 - 49
    Marina del Rey, CA
    Service Focus

    "The likelihood of our app’s success has increased because Solwey is our development partner."

    • VP, Triangle
  • HyperTrends Global Inc.

    HyperTrends Global Inc.

    Your Unfair Advantage In Building SaaS Products

    $50,000+
    $150 - $199 / hr
    10 - 49
    San Diego, CA
    Service Focus

    "Everything has been absolutely wonderful."

    • Co-Founder & CEO, LoginLegacy Inc.
  • Tesuji

    Tesuji

    We create products that bring people together.

    $25,000+
    $100 - $149 / hr
    2 - 9
    Nevada City, CA
    Service Focus

    "Tesuji has definitely exceeded expectations."

    • Co-Founder, DanceFight
  • Five Jars

    Five Jars

    ⭐️⭐️⭐️⭐️⭐️ OUTSTANDING WEB DESIGN & DEVELOPMENT

    $10,000+
    $100 - $149 / hr
    50 - 249
    Los Angeles, CA
    Service Focus

    "Five Jars has more than proven its ability to maintain service and composure through good times and bad."

    • VP of Digital & Strategy, YMCA of the North
  • Tivix

    Tivix

    Innovation Engineering

    $50,000+
    $50 - $99 / hr
    50 - 249
    San Francisco, CA
    Service Focus

    “They were helpful in guiding us through the whole process.”

    • Technical Advisor, Nonprofit
  • Tepia Co

    Tepia Co

    Invested in your success

    $25,000+
    $150 - $199 / hr
    2 - 9
    Costa Mesa, CA
    Service Focus

    "We haven’t had any problems with the app shutting down — it functions smoothly." "

  • Rootstrap

    Rootstrap

    Outcome-driven development. At any scale.

    $50,000+
    $100 - $149 / hr
    50 - 249
    West Hollywood, CA
    Service Focus

    “They stand out for their design skills and focus on usability and product development.”

    • CTO, Summum
  • mTraction Enterprise (An Affle Company)

    mTraction Enterprise (An Affle Company)

    Reinventing 360° Digital Transformation

    $25,000+
    $25 - $49 / hr
    50 - 249
    San Francisco, CA
    Service Focus

    "Our daily scrum meetings helped us share progress, solve queries and stay on top of the project."

    • Project Manager, Muthoot Fincorp Limited
  • Method

    Method

    Bring Your Digital Vision to Life

    $25,000+
    $150 - $199 / hr
    50 - 249
    San Jose, CA
    Service Focus

    “They were 100% invested in creating a great experience.”

    • VP of Design, MetLife
  • HashCash Consultants

    HashCash Consultants

    Global Blockchain Company

    $5,000+
    $50 - $99 / hr
    50 - 249
    Palo Alto, CA
    Service Focus

    "They have a very strong project management skills."

    • Founder & CEO, Passion Securities
  • iTechArt Group

    iTechArt Group

    Custom Software Development | Dedicated Teams

    $25,000+
    $50 - $99 / hr
    1,000 - 9,999
    San Francisco, CA
    Service Focus

    "The level of expertise of the developers they let me interview is impressive."

    • CTO, Staircase AI
  • Pixelette Technologies

    Pixelette Technologies

    Blockchain | NFT | Web3 | Crypto | Wallet

    $5,000+
    $25 - $49 / hr
    50 - 249
    Sacramento, CA
    Service Focus

    “Pixelette Technologies has been the perfect partner so far.

    • Co-Founder, Buttersmiles
  • Accelerance

    Accelerance

    Risk-free software outsourcing + advisory services

    $100,000+
    $50 - $99 / hr
    10 - 49
    Redwood City, CA
    Service Focus

    "Everything was very well-planned and completed on time."

    • Director of Engineering, IT Systems Startup
  • Specno

    Specno

    We bring ideas to life. Design - Build - Launch

    $5,000+
    $50 - $99 / hr
    10 - 49
    Santa Clara, CA
    Service Focus

    "The team at Specno went out of their way to make sure they slotted into our workflow."

    • Technical Director, Quicket
  • Beyondsoft Consulting Inc.

    Beyondsoft Consulting Inc.

    Delivering Business Value With Innovative Solution

    $10,000+
    $150 - $199 / hr
    10,000+
    Torrance, CA
    Service Focus

    "Their ability to hire superb talent in a crunched market was impressive."

    • Former Head of Digital & Product Analytics, Thomson Reuters
  • Vates

    Vates

    Nearshore Custom Software Development

    $10,000+
    $25 - $49 / hr
    250 - 999
    Sausalito, CA
    Service Focus

    "They followed up on the entire project and showed great teamwork."

    • CTO, Banking Firm
  • CI&T

    CI&T

    Global Digital Specialists

    $100,000+
    $50 - $99 / hr
    1,000 - 9,999
    Oakland, CA
    Service Focus

    "These guys definitely go above and beyond, by being thoughtful and proactive in communicating."

    • Founder, RepairQ.io
  • GeekyAnts

    GeekyAnts

    Research. Collaborate. Build

    $5,000+
    $25 - $49 / hr
    250 - 999
    San Francisco, CA
    Service Focus

    "We are glad we worked with GeekyAnts."

    • UXD Manager, Pepperfry
  • Airdev

    Airdev

    The global leader in no-code development

    $10,000+
    Undisclosed
    50 - 249
    San Francisco, CA
    Service Focus

    “Our whole experience with Airdev has been positive. If I could give them 10 stars, I would.

    • Founder & CEO, Property Startup Company
  • Serious Development

    Serious Development

    We help organizations scale for growth.

    $10,000+
    $50 - $99 / hr
    10 - 49
    Pasadena, CA
    Service Focus

    "The team knows our business well and provides valuable insight into the design and workflow."

    • Director, Global One Ventures
  • WebcentriQ

    WebcentriQ

    WE THINK, WE INNOVATE, WE CREATE

    $50,000+
    $50 - $99 / hr
    50 - 249
    San Diego, CA
    Service Focus

    “The most impressive aspect about WebcentrIQ was their quality of work and what they delivered.”

    • Co-Founder & CEO, Odora LLC
  • SitePen

    SitePen

    Enterprise Web Apps Done Right

    $10,000+
    Undisclosed
    10 - 49
    Palo Alto, CA
    Service Focus

    "They’re just the type of people I would hire full-time without hesitation."

    • Product Manager, Intuit
  • Apex Lab

    Apex Lab

    End-to-end, stress-free digital product delivery

    $5,000+
    $50 - $99 / hr
    10 - 49
    San Francisco, CA
    Service Focus

    "Thanks to them, everyone was motivated and driven by the product’s success."

    • CMO, Recart
  • Venture Aviator

    Venture Aviator

    Award Winning Web, Mobile, and Blockchain Experts

    $25,000+
    $50 - $99 / hr
    10 - 49
    Santa Monica, CA
    Service Focus

    "They never missed a deadline, which is one of their greatest strengths."

    • Rentberry, CEO
  • Scrumteams

    Scrumteams

    Scrum Teams - Remote Software Engineering Teams

    $1,000+
    $25 - $49 / hr
    50 - 249
    Elk Grove, CA
    Service Focus

    "Scrumteams has a strong sense of responsibility and dedication to their clients."

    • Former People Development & Cultural Lead, Amalgamated Bank
  • SP Marketplace

    SP Marketplace

    Transforming Businesses with Sharepoint Online

    Undisclosed
    < $25 / hr
    2 - 9
    Penn Valley, CA
    Service Focus

    "They respond quickly with different solutions to meet our needs."

    • Information Services Manager, Intermodal Equipment Supplier
  • Catalyst UX

    Catalyst UX

    The UX Leader in Medical, Life Science, & FinTech

    $25,000+
    Undisclosed
    10 - 49
    San Mateo, CA
    Service Focus

    "They’re always willing to take an extra step and think broader about the client’s vision as well." "

    • Vice President, Healthcare and Technology Company
  • The Smyth Group

    The Smyth Group

    Design, Develop, Deploy

    $25,000+
    $100 - $149 / hr
    10 - 49
    Vista, CA
    Service Focus

    "The deadlines were clearly communicated and agreed upon, and work was completed on time."

    • Revenue Cycle Analytics Director, Integrity Billing Company
  • Dayspring Partners

    Dayspring Partners

    Partners for a digital world.

    $50,000+
    $150 - $199 / hr
    10 - 49
    San Francisco, CA
    Service Focus

    "Dayspring Partners is a group of smart and talented people who are ready to listen and work with you."

    • Executive Director, Christians for Social Action

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