Our analysts identified the top outsourcing software development companies in California providing cutting-edge services that answer key business problems, from building technical software, designing websites or mobile apps to integrating operating systems and more. Narrow down your search by team size, budget, reviews and more to select the best developer for your company’s needs.

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

United States × California × Outsourcing Software Development × Sort by: Organic Rankings ×Clear Filters
  • Build A Success-Driven ECommerce Store

    Build A Success-Driven ECommerce Store

    Amazon Automations is a USA-based service agency of auomations service providers. They provide services of automation like: amazon automation, Shopify automation, tiktok automation and walmart automations...

    Top Services:

    • IT Services
    • Public Relations
    • Digital Services
    • Print Design
    • Product Design
    • Show more
    Location
    California City, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $500/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Innovate, Code, Elevate Transforming Ideas into Reality.

    Innovate, Code, Elevate Transforming Ideas into Reality.

    H.R. Software Solutions Pvt. Ltd. is a leading IT company offering cutting-edge software development, web solutions, and digital marketing services. We specialize in ERP, CRM, mobile app development, and AI-driven solutions for businesses of all sizes. With a customer-centric approach, we deliver innovative...

    Top Services:

    • Software Development
    • Web Development
    • Digital Marketing
    • Mobile App Development
    • Show more
    Location
    Ontario, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $10,000 - $25,000
  • You Set Expectations. We Exceed Them.

    You Set Expectations. We Exceed Them.

    Bransys Group was first introduced into the marketplace in 2008 in Skopje, Macedonia, founded by Branko Trajkovski. Bransys is a product-oriented company that makes, develops and sales Hardware and Software, designed for GPS and tracking devices...

    Top Services:

    • IoT
    • Software Development
    • Mobile App Development
    Location
    Walnut Creek, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
  • Scaling Startups With Elite Developers

    Scaling Startups With Elite Developers

    Insquad is a leading outsourcing software development agency that connects startups with top-tier remote developers. The agency delivers pre-vetted senior talent across various domains, including FinTech, Web3, AI, and MarTech. Insquad's rigorous vetting process and rapid hiring model enable companies to...

    Top Services:

    • Software Development
    Location
    Cupertino, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • Grow with Technology.

    Grow with Technology.

    We have a Team of 100+ Skilled App Developers who thrive on rolling up their sleeves and solving your IT problems and meeting your business needs like APP Development, Software Development, Cloud Consulting, Generative AI Development, Cyber Security Services, Custom ERP Software Development, and Web...

    Top Services:

    • AI Development
    • Mobile App Development
    • Software Development
    • Blockchain
    • Software Testing
    • Show more
    Location
    Irvine, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
  • Innovate, Create, Excel.

    Innovate, Create, Excel.

    SoftGrid Computers is a prominent custom software development company that excels in blending the latest technologies with well-organized creative work. With a strong focus on understanding client needs and delivering optimal solutions, we strive to be a reliable partner that offers great value for money. Our...

    Top Services:

    • Mobile App Development
    • Web Design
    • Software Development
    • Web Development
    • Reputation Management
    • Show more
    Location
    Santa Monica, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $1,000 - $10,000
  • Digital products. Done beautifully.

    Digital products. Done beautifully.

    Wve Labs is a digital product company bringing strategy, design, and engineering together to create mobile apps, web platforms, and custom software. Since 2015, we have partnered with startups, growth companies, and global organizations to design, build, and scale digital products...

    Top Services:

    • Mobile App Development
    • Software Development
    • UI/UX Design
    • Product Design
    • Web Development
    • Show more
    Location
    Costa Mesa, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    5 Projects Listed
  • Azumo

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    Build Intelligent Apps for Web, Mobile, Data, AI and Cloud

    Client partnerships average 3.2+ years. Azumo delivers nearshore and onshore engineering for AI, machine learning, and full-stack development, serving Facebook, Omnicom, United Health, and Discovery Channel with teams specializing in Python, React, Next.js, Node.js, and AWS.Recent reviews highlight...

    Top Services:

    • AI Development
    • Software Development
    • Staff Augmentation
    • Mobile App Development
    • Big Data Analytics
    • Show more
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    9 Projects Listed
  • Talentica Software

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    Building Products AI-Native Way

    Talentica Software is a Pune-based software outsourcing partner that has delivered 200+ products for high-growth startups and enterprises over 22 years. The agency recruits from India's top engineering schools and works across AI/ML, SaaS, data engineering, and cloud-native platforms, with clients achieving...

    Top Services:

    • Software Development
    • AI Development
    • IT Services
    • Big Data Analytics
    • Blockchain
    • Show more
    Location
    Pleasanton, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    7 Projects Listed
  • Designli

    VerifiedVerified by the DesignRush team for authenticity and credibility.AI LeaderRecognized for strong visibility across AI-powered search and answer engines.

    Build software people actually pay for.

    Designli is a Greenville, South Carolina-based software development agency that partners with non-technical founders to build revenue-generating products. The TractionLab program guarantees a live product with a real user within 30 days or the next month is free. Their Hypothesis-Driven Development approach...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • Web Design
    • UI/UX Design
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $85/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    16 Projects Listed

The Benefits Of Top Outsourcing Companies In California

Why companies trust DesignRush

Every agency is independently vetted before it can be listed or ranked

1

Identity Check

We verify businesses and reviewer LinkedIn profiles for integrity.

Agencies vetted
125,741+
2

Portfolio Review

We review agency work, case studies, and results to confirm skill.

Applicants rejected
49%
3

Ongoing Audit

We monitor listings regularly; outdated agencies are removed.

Agencies verified
210

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