Top 100 Software Development Companies in California

The Best of November 2024

Looking for a top software developer in California?

As the use of mobile and web apps rise, your business’s digital presence becomes even more important. The biggest challenge facing organizations is how they can keep up in the digital world. The best way is to continuously develop up-to-date software that allows your organization to maintain an impactful digital presence.

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List of the Best California Software Developers

Featured providers
- Vention
  (87 Reviews) 4.9
  - Timeliness
    4.8
  - Service Excellence
    4.9
  - Value
    4.7
  - Would Recommend
    5.0
  - $25,000+
  - 1,000 - 9,999 employees
  - New York, NY
  Headquartered in New York, Vention is a custom software development company with additional offices in Marietta, Ga. and Iselin, N.J. Since 2002, Vention has helped startups and fast-growing tech companies fill in their talent gap and create robust web and mobile solutions that users love. To date, Vention's talent pool includes 3500+ engineers with experience in all of the latest technologies.
  
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- Opinov8 Digital and Engineering Solutions
  (18 Reviews) 4.8
  - Timeliness
    4.6
  - Service Excellence
    4.6
  - Value
    4.3
  - Would Recommend
    4.9
  - $50,000+
  - 250 - 999 employees
  - London, England
  Headquartered in London, Opinov8 Technology Services is a technology solutions company that was founded in 2016. With offices in Ukraine and Spain, the team of 88 works with mid-market and small businesses in the financial services, advertising, marketing, gambling, hospitality, IT, and media industries. Opinov8 specializes in custom software development, enterprise app modernization, big data consulting, and clould consulting for clients.
  
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- 10Pines
  (17 Reviews) 5.0
  - Timeliness
    4.8
  - Service Excellence
    5.0
  - Value
    4.7
  - Would Recommend
    4.9
  - $25,000+
  - 50 - 249 employees
  - Buenos Aires, Argentina
  10Pines is a custom software development firm based in Buenos Aires, Argentina. Founded in 2009, their team of 70 serves clients in the e-commerce, finance, and retail sectors. Services include iOS/Android, Ruby on Rails, ReactJS, and JavaScript development.
  
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- TeaCode.io
  (28 Reviews) 4.9
  - Timeliness
    4.7
  - Service Excellence
    4.8
  - Value
    4.7
  - Would Recommend
    4.9
  - $25,000+
  - 50 - 249 employees
  - Warszawa, Poland
  TeaCode.io is a Warsaw-based full-stack software development company that was founded in 2015. Their team of 12 specializes in custom software, web, and mobile app development. They also know their way around IoT and AI projects. They usually work with small and mid-sized companies and have so far completed many projects in fields of education, medical care, travel, security, communications, e-commerce, and more.
  
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601

Eztechstack

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- Cerritos, CA
Eztechstack is a cloud consulting & SI company. Located in Cerritos, California, their team focuses on cloud consulting & SI and Web Development.
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602

AppStealth

(0 Reviews)

Not yet reviewed.
- $1,000+
- 10 - 49 employees
- San Jose, CA
Headquartered in San Jose, California, AppStealth is a small mobile application development company. Their services include Mobile App Development and Custom Software Development.
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Featured providers
- GP Solutions
  (20 Reviews) 5.0
  - Timeliness
    4.9
  - Service Excellence
    4.9
  - Value
    4.9
  - Would Recommend
    5.0
  - $25,000+
  - 250 - 999 employees
  - Unterschleißheim, Germany
  GP Solutions is a software development company headquartered in Munich, Germany, with that specializes in web development, custom software development, and web design. Founded in 2002, the company builds custom web applications to help clients realize their business goals. A company of just less than 150 employees, GP Solutions works with enterprise and mid-market outfits in the IT and hospitality industries, offering end-to-end solutions that increase traffic, drive sales, and connect with consumers.
  
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- Flower Press Interactive
  (25 Reviews) 4.9
  - Timeliness
    4.8
  - Service Excellence
    4.9
  - Value
    4.6
  - Would Recommend
    5.0
  - $25,000+
  - 10 - 49 employees
  - Medina, WA
  A full-service digital design and development agency, Flower Press Creative Studio takes on mobile app, web, and custom software development projects. Founded in 2001, the small team of 6 is headquartered in Seattle and also has experience in UI/UX design.
  
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- Qubika
  (57 Reviews) 4.9
  - Timeliness
    4.9
  - Service Excellence
    4.9
  - Value
    4.6
  - Would Recommend
    5.0
  - $10,000+
  - 250 - 999 employees
  - Austin, TX
  In Austin, Texas and Montevideo, Uruguay, Qubika is a product design company. The midsize firm was established in 2006. Their services include product design, cloud consulting & SI, IoT development, application testing, and more.
  
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603

EXR Systems LLC

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- San Francisco, CA
Web design agency EXR Systems LLC was founded in 2021. The company specializes in Web Design and Web Development, and is small.
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604

Hi Dev

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- San Mateo, CA
Established in 2010, Hi Dev is a software development company. The team specializes in Custom Software Development and Web Development.
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605

Xano, Inc.

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- Los Angeles, CA
Xano, Inc. Is a Los Angeles, California-based website development firm. Their services include Web Development and Custom Software Development.
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606

Apollo 21

(0 Reviews)

Not yet reviewed.
- $75,000+
- 10 - 49 employees
- West Hollywood, CA
Apollo 21 is a Market Research company. Their small team is located in West Hollywood, California. Their services include Market Research and Web Design.
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607

TrioSource

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- San Jose, CA
TrioSource is a cloud consulting & SI company based in San Jose, California and Los Angeles, California. They specialize in cloud consulting & SI and Custom Software Development.
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Featured providers
- CubeZoo
  (29 Reviews) 4.9
  - Timeliness
    4.9
  - Service Excellence
    4.9
  - Value
    4.8
  - Would Recommend
    5.0
  - $10,000+
  - 10 - 49 employees
  - Johannesburg, South Africa
  CubeZoo is a web development company. The small team is headquartered in Randburg, South Africa. Their services include web development, mobile app development, and enterprise app modernization.
  
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- Calibec
  (3 Reviews) 5.0
  - Timeliness
    5.0
  - Service Excellence
    5.0
  - Value
    5.0
  - Would Recommend
    5.0
  - $5,000+
  - 2 - 9 employees
  - Mission Viejo, CA
  Calibec is a small custom software development firm. Founded in 2021, the team offers custom software development, web development, mobile app development, enterprise app modernization, and more. The agency is located in Mission Viejo, California.
  
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608

AuriQ Systems, Inc.

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- Pasadena, CA
Business intelligence company AuriQ Systems, Inc. Is headquartered in Pasadena, California. Founded in 1996, the team focuses on BI & big data consulting & SI and Custom Software Development.
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609

Grow Jumbo LLC

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- Merced, CA
Grow Jumbo LLC is a social media marketing agency. Launched in 2023, the team focuses on Social Media Marketing and Email Marketing. The company is in Merced, California.
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610

Lukasa

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- Los Angeles, CA
Lukasa is a branding firm. The team provides Branding and UX/UI Design and is located in Los Angeles, California.
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611

productOps, Inc.

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- Santa Cruz, CA
ProductOps, Inc. Is a small data analytics company launched in 2008. Their team focuses on BI & big data consulting & SI and Custom Software Development.
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612

BatchTest

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- Santa Clara, CA
BatchTest is a small Product Design company launched in 2005. Their team specializes in Product Design and Application Testing.
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613

Advantu

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- San Diego, CA
Advantu is an Application Testing company. Their small team of employees is based in San Diego, California. Their team offers Application Testing and Custom Software Development.
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614

CloudBase Services

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- Berkeley, CA
Founded in 2005, CloudBase Services is a small cloud consulting & SI company. Their team offers cloud consulting & SI and BI & big data consulting & SI.
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615

Launchable, Inc

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- San Jose, CA
Launchable, Inc is a data analytics company. Located in San Jose, California, the team specializes in BI & big data consulting & SI and Custom Software Development.
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616

IDATTEC

(0 Reviews)

Not yet reviewed.
- $1,000+
- 10 - 49 employees
- Berkeley, CA
IDATTEC, an Other Marketing company, is based in Berkeley, California. They specialize in Other Marketing and Web Design.
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617

Nobox Idea

(0 Reviews)

Not yet reviewed.
- $1,000+
- 10 - 49 employees
- Davis, CA
Nobox Idea, a social media marketing agency, is based in Davis, California. Established in 2017, the team offers Social Media Marketing and Search Engine Optimization.
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618

Rooted Software

(0 Reviews)

Not yet reviewed.
- $1,000+
- 10 - 49 employees
- Walnut Creek, CA
Rooted Software, an IT managed services company, was launched in 2021. The team provides IT managed services and Custom Software Development and is based in Walnut Creek, California.
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619

GHK Technologies Inc

(0 Reviews)

Not yet reviewed.
- $50,000+
- 10 - 49 employees
- Fremont, CA
Founded in 2015, GHK Technologies Inc is a CRM consulting and SI company. The company specializes in CRM consulting and SI and ECM consulting and SI, and is small.
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620

INPoint

(0 Reviews)

Not yet reviewed.
- $25,000+
- 10 - 49 employees
- Beverly Hills, CA
INPoint, a cloud consulting & SI company, provides cloud consulting & SI and Cybersecurity. The firm is based in Beverly Hills, California and Anoka, Minnesota.
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621

Valerian

(0 Reviews)

Not yet reviewed.
- $5,000+
- 10 - 49 employees
- Menifee, CA
Valerian, an IT strategy consulting company, was launched in 2018. The team offers IT strategy consulting and Cybersecurity and is in Menifee, California.
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622

Craft

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- San Francisco, CA
Craft is a New York, New York-based business intelligence company. Founded in 2014, the team specializes in BI & big data consulting & SI and Cybersecurity.
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623

Rootstrap
(44 Reviews) 4.8
- Timeliness
  4.8
- Service Excellence
  4.8
- Value
  4.5
- Would Recommend
  4.9
- $25,000+
- 250 - 999 employees
- Beverly Hills, CA
Rootstrap is a midsize custom software development firm established in 2011. Their services include Custom Software Development, Artificial Intelligence, Mobile App Development, BI & big data consulting & SI, and more. The firm is in Beverly Hills, California; Buenos Aires, Argentina; Montevideo, Uruguay and Medellín, Colombia.
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Clients
- MasterClass
- Google
- Tony Robbins
- Emeritus
Industries
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624

Puri's Tech Limousine Answering Service

(0 Reviews)

Not yet reviewed.
- $1,000+
- 10 - 49 employees
- Inglewood, CA
Puri's Tech Limousine Answering Service is a software development company launched in 2010. The team provides Custom Software Development and UX/UI Design.
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625

Trailhead Technology Partners

(0 Reviews)

Not yet reviewed.
- $50,000+
- 10 - 49 employees
- San Marcos, CA
Trailhead Technology Partners is a small Application Testing company. They focus on Application Testing and Custom Software Development and were founded in 2016.
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626

Tessafold LLC
(26 Reviews) 4.7
- Timeliness
  4.7
- Service Excellence
  4.8
- Value
  4.6
- Would Recommend
  4.7
- $5,000+
- 10 - 49 employees
- Palo Alto, CA
Established in 2017, Tessafold is a software development company. The firm focuses on custom software development, web development, mobile app development, AR/VR development, and more and has a small team.

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627

Hvantage Technologies Inc
(2 Reviews) 4.5
- Timeliness
  4.3
- Service Excellence
  4.3
- Value
  4.5
- Would Recommend
  4.5
- $50,000+
- 50 - 249 employees
- Los Angeles, CA
Hvantage Technologies Inc is a Los Angeles-based digital agency that was founded in 2011. With more than 200 employees, the agency has experts in mobile app and custom software development, UX/UI design, and web design.

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628

TechloSet

(0 Reviews)

Not yet reviewed.
- $5,000+
- 10 - 49 employees
- Sacramento, CA
Small mobile app development company TechloSet, is located in Faisalabad, Pakistan and Sacramento, California. Their services include Mobile App Development and Custom Software Development.
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Clients
- 13
Industries
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629

TOPCONE INC

(0 Reviews)

Not yet reviewed.
- $25,000+
- 2 - 9 employees
- Los Angeles, CA
TOPCONE INC is a software development firm. The firm is in Los Angeles, California. Their services include Custom Software Development and Mobile App Development.
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630

Mopro
(1 Reviews) 4.5
- Timeliness
  5.0
- Service Excellence
  4.5
- Value
  4.5
- Would Recommend
  4.5
- $5,000+
- 250 - 999 employees
- Irvine, CA
Mopro, a web design agency, was launched in 2011. The midsize Irvine, California-based team focuses on web design, custom software development, digital strategy, web development, and more.

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