Top 100 Software Development Companies in California

The Best of May 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
- Dualboot Partners
  (44 Reviews) 4.9
  - Timeliness
    4.9
  - Service Excellence
    4.9
  - Value
    4.8
  - Would Recommend
    4.9
  - $75,000+
  - 250 - 999 employees
  - Charlotte, NC
  Dualboot Partners is a product design and software engineering company founded in Raleigh, N.C. in 2018 with over 50 professionals. They offer custom software development and application testing solutions for various clients.
  
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- TeaCode.io
  (26 Reviews) 4.9
  - Timeliness
    4.7
  - Service Excellence
    4.9
  - Value
    4.8
  - 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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- Innowise
  (57 Reviews) 4.8
  - Timeliness
    4.8
  - Service Excellence
    4.8
  - Value
    4.7
  - Would Recommend
    4.9
  - $10,000+
  - 1,000 - 9,999 employees
  - Warszawa, Poland
  Innowise Group is a custom software development company based in Warsaw, Poland. With more than 1000 specialists on board and 600 projects completed, they use cutting-edge technologies to transform their client's businesses. They are experts in designing and developing tech solutions that will help your company enhance its processes and increase customer satisfaction, thanks to their 15+ years of experience and extensive expertise. They create custom software to fit your unique requirements in terms of timeline, budget, and use case. They handle every step of the development process, from product concept and development to testing, deployment, and support. In addition to building custom software, we also excel in UX/UI design, IT strategy consulting, and staff augmentation.
  
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331

ThirstySprout
(15 Reviews) 5.0
- Timeliness
  4.9
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $50,000+
- 50 - 249 employees
- San Francisco, CA
ThirstySprout is an outsourced development company headquartered in Seattle with an additional office in San Franciso. Founded in 2017, they currently have about 18 employees. They provide IT staff augmentation as well as custom software and web development services to primarily midmarket agencies in IT, e-commerce, and business services.

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Clients
- Rover.com
Industries
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332

DAS Labs

(0 Reviews)

Not yet reviewed.
- $25,000+
- 10 - 49 employees
- Rancho Cucamonga, CA
DAS Labs is a small software development firm founded in 2013. Their services include custom software development, mobile app development, and AR/VR development. The company is in Rancho Cucamonga, California.
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Featured providers
- Flower Press Interactive
  (24 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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- CubeZoo
  (27 Reviews) 5.0
  - Timeliness
    4.9
  - Service Excellence
    5.0
  - 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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333

ARES Corporation

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 250 - 999 employees
- Burlingame, CA
ARES Corporation is a software development firm established in 1992. The midsize Burlingame, California-based team specializes in custom software development, IT managed services, cybersecurity, and IT strategy consulting.
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334

OS Ignite, Inc.

(0 Reviews)

Not yet reviewed.
- $5,000+
- 2 - 9 employees
- Long Beach, CA
OS Ignite, Inc., an app development firm, is in Long Beach, California and Costa Mesa, California. The small team focuses on mobile app development, custom software development, e-commerce development, and web development. The agency was established in 2007.

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335

JETS Tech., LLC

(0 Reviews)

Not yet reviewed.
- $5,000+
- 2 - 9 employees
- Fresno, CA
Established in 2019, JETS Tech., LLC is a custom software development company. Located in Fresno, California, their small team focuses on custom software development, web development, application testing, and e-commerce development.
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336

SoftAvail, Inc.

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- San Francisco, CA
SoftAvail, Inc. Is a small custom software development firm located in San Francisco, California and Sofia City, Bulgaria. The team specializes in custom software development, mobile app development, CRM consulting and SI, IT strategy consulting, and more.
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337

Bytex Technologies

(0 Reviews)

Not yet reviewed.
- $10,000+
- 50 - 249 employees
- San Francisco, CA
Website development firm Bytex Technologies was launched in 2015. Their midsize team is located in Iași, Romania and San Francisco, California. Their services include web development, application testing, enterprise app modernization, custom software development, and more.

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338

Zerocoder
(3 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $1,000+
- 1,000 - 9,999 employees
- Roseville, CA
Zerocoder is a London, United Kingdom-based software development firm. The large firm was founded in 2023. Their services include custom software development, web development, mobile app development, web design, and more.

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339

GeekOffice

(0 Reviews)

Not yet reviewed.
- $10,000+
- 2 - 9 employees
- Pasadena, CA
GeekOffice, a , was founded in 2019. Headquartered in Sheridan, Wyoming, their small team specializes in.
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340

Definity First
(6 Reviews) 4.8
- Timeliness
  4.9
- Service Excellence
  4.8
- Value
  4.8
- Would Recommend
  4.8
- $25,000+
- 50 - 249 employees
- San Diego, CA
Definity First is an enterprise app modernization company. Their midsize team is headquartered in San Diego, California; San Francisco, California; Houston, Texas and Atlanta, Georgia. The company specializes in enterprise app modernization, CRM consulting and SI, custom software development, IT staff augmentation, and more.

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341

Harlow Technologies

(0 Reviews)

Not yet reviewed.
- $5,000+
- 2 - 9 employees
- Pasadena, CA
Custom software development company Harlow Technologies was launched in 1997. They are headquartered in Pasadena, California; Phoenix, ; Wilmington, and Thousand Oaks, California and have a small team. Their services include custom software development, mobile app development, and web development.
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342

DreamUp

(0 Reviews)

Not yet reviewed.
- $10,000+
- 2 - 9 employees
- Palo Alto, CA
DreamUp is a creative production company with offices in London, UK, Palo Alto, Calif. and Istanbul, Turkey. With fewer than 10 employees, the agency specializes in custom software and AR/VR development. DreamUp works with clients in hospitality, retail, healthcare and construction industries.

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343

Simulations Plus

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 2 - 9 employees
- Lancaster, CA
Simulations Plus is a small custom software development firm and IT managed services company headquartered in Lancaster, California. They specialize in custom software development and IT managed services and were founded in 1996.
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344

StartupLandia

(0 Reviews)

Not yet reviewed.
- $5,000+
- 2 - 9 employees
- San Francisco, CA
StartupLandia is a software development firm. Launched in 2012, the agency is located in San Francisco, California. The small team provides custom software development, mobile app development, and web development.
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345

External Resources, Inc.

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 2 - 9 employees
- Modesto, CA
External Resources, Inc. Is a software development firm. Established in 2008, the small company is headquartered in Modesto, California. Their team focuses on custom software development, web development, and business consulting.
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346

UI Flow

(0 Reviews)

Not yet reviewed.
- $10,000+
- 2 - 9 employees
- San Francisco, CA
UI Flow, a software development company, is in San Francisco, California. The small team focuses on custom software development, enterprise app modernization, and web development. The firm was founded in 2020.
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347

Sirene Solutions

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 2 - 9 employees
- Temecula, CA
Sirene Solutions is a small software development company. They provide custom software development, corporate training, and application management & support and were established in 2016.

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348

Ginisis Group Inc.

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 2 - 9 employees
- El Segundo, CA
Ginisis Group Inc., a custom software development company and business consulting company, is headquartered in El Segundo, California. They provide custom software development and business consulting and were launched in 2009.
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349

Framework

(0 Reviews)

Not yet reviewed.
- $10,000+
- 2 - 9 employees
- Redding, CA
Custom software development firm and UX design agency Framework is headquartered in Redding, California. The small team focuses on custom software development and ux/ui design and was established in 2019.
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350

Orbital Dev

(0 Reviews)

Not yet reviewed.
- $25,000+
- 2 - 9 employees
- Palo Alto, CA
Orbital Dev is an IT staff augmentation company established in 2022. The agency offers IT staff augmentation, custom software development, product design, mobile app development, and more and has a small team. The agency is headquartered in Palo Alto, California.
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351

Codi Technologies

(0 Reviews)

Not yet reviewed.
- $5,000+
- 2 - 9 employees
- Los Angeles, CA
Codi Technologies is a small custom software development company and artificial intelligence company established in 2022. Their team specializes in custom software development and Artificial Intelligence. The firm is based in Los Angeles, California.
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352

Netpace Inc.

(0 Reviews)

Not yet reviewed.
- $1,000+
- 50 - 249 employees
- San Ramon, CA
NetPace is a. Their small team is in. Their team provides.
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353

AppMozart

(0 Reviews)

Not yet reviewed.
- $10,000+
- 2 - 9 employees
- Emeryville, CA
App development company AppMozart was founded in 2019. Their small team is located in Emeryville, California. Their services include mobile app development, web development, custom software development, enterprise app modernization, and more.
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354

Luminous Tec

(0 Reviews)

Not yet reviewed.
- $10,000+
- 10 - 49 employees
- Irvine, CA
Luminous Tec, a app development company, was founded in 2006. The small team provides mobile app development, custom software development, web development, digital strategy, and more. The company is based in Irvine, California.

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355

Margasoft Corp.
(2 Reviews) 4.8
- Timeliness
  4.3
- Service Excellence
  4.8
- Value
  4.5
- Would Recommend
  4.8
- $10,000+
- 10 - 49 employees
- Burbank, CA
Margasoft Corp. is a software company based in Burbank, Calif. that was founded in 2005. They have about 30 employees that specialize in web development, IT services, custom software development, and strategic consulting. Its clients are mostly midmarket businesses.

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Clients
- Johnson & Johnson
Industries
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356

Scalable Path
(13 Reviews) 4.9
- Timeliness
  4.8
- Service Excellence
  4.9
- Value
  4.8
- Would Recommend
  4.8
- Undisclosed
- 50 - 249 employees
- San Francisco, CA
Scalable Path is a. The midsize team offers. The firm was established in 2010.

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Clients
- Gensler
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357

AppeX Technology

(0 Reviews)

Not yet reviewed.
- $5,000+
- 2 - 9 employees
- San Jose, CA
Software development company AppeX Technology is based in San Jose, California and IXA, Argentina. They specialize in custom software development, IT strategy consulting, mobile app development, and web development and were launched in 2019.
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358

NanoByte Technologies

(0 Reviews)

Not yet reviewed.
- $10,000+
- 10 - 49 employees
- Sacramento, CA
NanoByte Technologies is a web design company. The small Sacramento, California-based team specializes in web design, ux/ui design, custom software development, web development, and more. The agency was established in 2015.

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359

SOLVD
(1 Reviews) 4.5
- Timeliness
  4.5
- Service Excellence
  4.5
- Value
  4.5
- Would Recommend
  5.0
- $5,000+
- 10 - 49 employees
- San Francisco, CA
SOLVD is a custom software development company. Founded in 2018, the small firm is based in San Francisco, California. Their team specializes in custom software development, enterprise app modernization, web development, ux/ui design, and more.

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360

SyMed Corporation

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- Napa, CA
SyMed Corporation, a small business consulting company, is based in Napa, California. Launched in 1990, the team specializes in business consulting and custom software development.
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