Top 100 Software Development Companies in Illinois

The Best of November 2024

Looking for a top software developer in Illinois?

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 Illinois 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
    4.8
  - 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
    4.9
  - 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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151

Expresscommerce LLC

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- Chicago, IL
In Chicago, Illinois and Melbourne, Australia, Expresscommerce LLC is a small custom software development firm. Their services include Custom Software Development and Web Development.
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Clients
- SYDNEY EVAN
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152

Optimal Design

(0 Reviews)

Not yet reviewed.
- $25,000+
- 10 - 49 employees
- Arlington Heights, IL
Optimal Design, an IoT development company, was established in 1997. The firm focuses on IoT development and Custom Software Development.
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Featured providers
- GP Solutions
  (20 Reviews) 5.0
  - Timeliness
    4.9
  - Service Excellence
    5.0
  - 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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153

QuadW Technology

(0 Reviews)

Not yet reviewed.
- $5,000+
- 10 - 49 employees
- Oak Brook, IL
QuadW Technology is a software development firm. The Oak Brook, Illinois-based team specializes in Custom Software Development and Web Design.
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154

ConnectMedia Ventures

(0 Reviews)

Not yet reviewed.
- $5,000+
- 10 - 49 employees
- Chicago, IL
Headquartered in Chicago, Illinois, ConnectMedia Ventures is a small custom software development firm. The team focuses on Custom Software Development and Mobile App Development.
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155

Black Line IT

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- Naperville, IL
Located in Naperville, Illinois and Chicago, Illinois, Black Line IT is a software development firm. Their services include Custom Software Development and Digital Strategy.
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156

AzoBLUE Group Software

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- South Elgin, IL
Launched in 2001, AzoBLUE Group Software is an IT strategy consulting company. The small team provides IT strategy consulting and Custom Software Development.
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157

TekMutants

(0 Reviews)

Not yet reviewed.
- $5,000+
- 10 - 49 employees
- Chicago, IL
Based in Chicago, Illinois, TekMutants is a custom software development firm. Their services include Custom Software Development and E-Commerce 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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158

Swip Systems

(0 Reviews)

Not yet reviewed.
- $5,000+
- 10 - 49 employees
- Collinsville, IL
Swip Systems, a custom software development company, offers Custom Software Development and Web Development. The agency is located in Collinsville, Illinois.
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159

Aleysian

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- Chicago, IL
Aleysian is a small CRM consulting and SI company. Established in 2004, the team specializes in CRM consulting and SI and Custom Software Development.
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160

Thoughtworks Software Technologies Ltd

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10,000+ employees
- Chicago, IL
Founded in 1993, Thoughtworks Software Technologies Ltd is a large Chicago, Illinois-based AI company. Their team offers Artificial Intelligence and IT managed services.
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161

The William Everett Group

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 50 - 249 employees
- Chicago, IL
The William Everett Group is a software development company. Based in Chicago, Illinois, the team specializes in Custom Software Development and ERP consulting and SI.
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162

Global Mobility Services

(0 Reviews)

Not yet reviewed.
- $5,000+
- 50 - 249 employees
- Schaumburg, IL
Established in 1994, Global Mobility Services, a midsize custom software development company, is based in Schaumburg, Illinois. Their team provides Custom Software Development and IT managed services.
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163

UNCOMN

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 50 - 249 employees
- Scott Air Force Base, IL
Cybersecurity company UNCOMN was established in 2011. The team focuses on Cybersecurity and Custom Software Development.
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164

TechAvidus
(18 Reviews) 4.7
- Timeliness
  4.8
- Service Excellence
  4.7
- Value
  4.7
- Would Recommend
  4.8
- $5,000+
- 50 - 249 employees
- Chicago, IL
Headquartered in Gujhrat, India and founded in 2016, TechAvidus is a web and mobile app development company that works with clients in the real estate, manufacturing, consumer products, retail and transportation industries. With another office in Bedford, N.H., the team of 50 custom software, mobile, and web development services for clients.

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165

PerByte
(1 Reviews) 5.0
- Timeliness
  0.3
- Service Excellence
  0.3
- Value
  0.3
- Would Recommend
  0.3
- Undisclosed
- 10 - 49 employees
- Wheaton, IL
PerByte, an IT strategy consulting and software development firm, is headquartered in Wheaton, Illinois. The small team specializes in IT strategy consulting and custom software development and was founded in 2011.

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166

Thirdwave, LLC

(0 Reviews)

Not yet reviewed.
- $25,000+
- 10 - 49 employees
- Chicago, IL
Thirdwave, LLC is a web development company. They are located in Chicago, Illinois and have small team. They offer Web Development and Custom Software Development.
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Industries
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167

Cipher Sanctum
(2 Reviews) 5.0
- Timeliness
  0.3
- Service Excellence
  0.3
- Value
  0.3
- Would Recommend
  0.3
- $1,000+
- Freelancer employees
- Lake Zurich, IL
Cyber Haven Programming is a custom software development company launched in 2017. The company specializes in custom software development, ux/ui design, application testing, web design, and more and has a small team.

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Industries
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168

Tissaa
(1 Reviews) 4.5
- Timeliness
  0.3
- Service Excellence
  0.3
- Value
  0.3
- Would Recommend
  0.3
- $1,000+
- 10 - 49 employees
- Chicago, IL
Tissaa is a SEO services firm. They are in Chicago, Illinois and have a small team. The firm provides search engine optimization, IT strategy consulting, cloud consulting & SI, IT managed services, and more.
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169

Devfollow

(0 Reviews)

Not yet reviewed.
- $10,000+
- 2 - 9 employees
- Chicago, IL
Devfollow is an IT strategy consulting company. Established in 2024, the firm is located in Chicago, Illinois. Their team offers IT strategy consulting and Custom Software Development.
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170

Uptarget Co
(4 Reviews) 4.8
- Timeliness
  4.9
- Service Excellence
  4.8
- Value
  4.8
- Would Recommend
  5.0
- $10,000+
- 10 - 49 employees
- Arthur, IL
Titanium Labs is a software firm based in Cherkasy, Ukraine, and founded in 2017. Their team of more than 10 specializes in custom software, web, and mobile app development solutions for small and mid-market firms in the industries of e-commerce and advertising.

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171

Netzant Technology LLC
(1 Reviews) 4.5
- Timeliness
  0.3
- Service Excellence
  0.3
- Value
  0.3
- Would Recommend
  0.3
- $1,000+
- Freelancer employees
- River Forest, IL
Other IT consulting and SI company Netzant Technology LLC is located in River Forest, Illinois. The small team focuses on other IT consulting and SI, custom software development, web development, mobile app development, and more and was launched in 2007.

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172

Trinitiii

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 2 - 9 employees
- Bloomington, IL
Small software development firm Trinitiii, is in Bloomington, Illinois. Their services include Custom Software Development and Cybersecurity.
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173

Replient

(0 Reviews)

Not yet reviewed.
- $10,000+
- 2 - 9 employees
- Lincolnshire, IL
Replient is a small custom software development firm. They focus on Custom Software Development and Enterprise App Modernization and were established in 2019.
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174

Saritasa
(95 Reviews) 4.8
- Timeliness
  4.7
- Service Excellence
  4.8
- Value
  4.5
- Would Recommend
  4.9
- $50,000+
- 50 - 249 employees
- Chicago, IL
Saritasa is a full-source software development firm based in Newport Beach, Calif. With additional offices in New York City, Russia, and Vietnam. They were founded in 2005 and employ a team of about 90 who provide custom software, web, mobile, IoT, and AR/VR development for mostly mid-sized businesses.

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Clients
- iHeartMedia
Industries
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175

Catalyst Consulting group

(0 Reviews)

Not yet reviewed.
- $10,000+
- 10 - 49 employees
- Chicago, IL
Catalyst Consulting group, a software development firm, is in Chicago, Illinois. Founded in 1992, the team provides Custom Software Development and IT managed services.
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176

Ai2

(0 Reviews)

Not yet reviewed.
- $10,000+
- 10 - 49 employees
- Chicago, IL
Ai2 is a small software development firm established in 1982. Their services include Custom Software Development and Enterprise App Modernization.
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177

Black Line IT

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- Naperville, IL
Software development company Black Line IT is headquartered in Naperville, Illinois. They offer Custom Software Development and IT managed services and were founded in 1993.
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178

VantagePro Systems

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- Naperville, IL
VantagePro Systems is a software development company. Their small team is located in Naperville, Illinois. Their services include Custom Software Development and Recruiting.
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179

Stellar Systems, Inc.

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- Peoria, IL
Stellar Systems, Inc., a software development company, was launched in 1985. The team specializes in Custom Software Development and Mobile App Development.
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180

All in One Cluster

(0 Reviews)

Not yet reviewed.
- $1,000+
- 10 - 49 employees
- Groveland, IL
All in One Cluster is a software development company. They are based in Groveland, Illinois and Bengaluru, India, and their services include Custom Software Development and Web Development.
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