What are the main types of software?

The main types of software are system software, utility software, and application software.

How much do software development projects cost?

Software development costs can vary significantly depending on many variables, such as complexity and developer experience. The project cost can go from $50,000 to as high as $300,000.

Top 100 Software Development Companies in Bellevue

The Best of January 2025

Investing in a cutting-edge software solution that’s tailored to help you improve your operations and business-related matters can positively impact your bottom line. Productivity is the key, and custom solutions cut down time, reduce repetitive tasks, and streamline processes, giving more room for business growth.

Jump to Most Reviewed Companies

List of the Best Bellevue Software Developers

Featured providers
- DOOR3
  (39 Reviews) 4.9
  - Timeliness
    4.9
  - Service Excellence
    4.9
  - Value
    4.7
  - Would Recommend
    4.9
  - $25,000+
  - 50 - 249 employees
  - New York, NY
  Launched in 2002, DOOR3 is an UX design agency. The company offers UX/UI Design, Custom Software Development, and Web Development and has a midsize team.
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- Opinov8 Digital and Engineering Solutions
  (19 Reviews) 4.7
  - Timeliness
    4.6
  - Service Excellence
    4.6
  - Value
    4.3
  - Would Recommend
    4.9
  - $50,000+
  - 250 - 999 employees
  - London, England
  Launched in 2017, Opinov8 Digital and Engineering Solutions is an IT strategy consulting company. Their midsize team is located in London, England; Kyiv, Ukraine; Cairo, Egypt and Weybridge, England. Their services include IT strategy consulting, cloud consulting & SI, Custom Software Development, BI & big data consulting & SI, and more.
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  Industries
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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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- 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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31

Gaper
(14 Reviews) 4.3
- Timeliness
  4.4
- Service Excellence
  4.3
- Value
  4.3
- Would Recommend
  4.4
- $50,000+
- 250 - 999 employees
- Seattle, WA
Gaper is a software company founded in San Francisco in 2018. With over 250 professionals, they provide IT staff augmentation, custom software development, and AI solutions to clients ranging from small companies to large businesses.

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Clients
- Madera
Industries
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32

Globant

(0 Reviews)

Not yet reviewed.
- $5,000+
- 10,000+ employees
- Seattle, WA
Globant is a large web development firm. They offer Web Development and Custom Software Development and were founded in 2003.
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Clients
- Google
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Featured providers
- 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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  Industries
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- 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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  Industries
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33

Codble
(1 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $25,000+
- 2 - 9 employees
- Seattle, WA
Codble is a Seattle, Washington-based application development firm. Founded in 2020, the small team offers Mobile App Development, Custom Software Development, Web Development, IT strategy consulting, and more.
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34

Persistent Systems
(1 Reviews) 4.5
- Timeliness
  4.5
- Service Excellence
  4.0
- Value
  4.0
- Would Recommend
  4.0
- $25,000+
- 10,000+ employees
- Bellevue, WA
Persistent Systems is a software development firm based in Pune, India. Founded in 1990, their team of over 12,000 employees provides custom software development, CRM consulting, and IT strategy services.

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Industries
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35

Helpful Human
(6 Reviews) 4.9
- Timeliness
  4.8
- Service Excellence
  5.0
- Value
  4.9
- Would Recommend
  5.0
- $10,000+
- 10 - 49 employees
- Seattle, WA
Helpful Human is a development agency based in Seattle. Since 2013, their team of 15 has been specializing in web design and development, mobile app development, and UX/UI design. They work primarily with small businesses in the information services and business services industries.

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Clients
- Rudy's
Industries
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36

Sandcastle Web Design and Development

(0 Reviews)

Not yet reviewed.
- $5,000+
- 2 - 9 employees
- Burien, WA
Sandcastle Web Design and Development is a software development company established in 1998. The team specializes in Custom Software Development and Mobile App Development.
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Clients
- Aviation Supplies & Academics
- Cevala / Brandvia
- Allegiant Commercial Asset Services Group
Industries
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37

ConnectPOS

(0 Reviews)

Not yet reviewed.
- $1,000+
- 50 - 249 employees
- Seattle, WA
ConnectPOS is a software development firm. They were founded in 2013 and specialize in Custom Software Development and Application Management & Support.
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Industries
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38

Fenyx Studio

(0 Reviews)

Not yet reviewed.
- $5,000+
- 10 - 49 employees
- Seattle, WA
Launched in 2017, Fenyx Studio is a mobile app development company. The small team specializes in Mobile App Development and Web Development.
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Industries
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39

Innova
(8 Reviews) 5.0
- Timeliness
  5.0
- Service Excellence
  5.0
- Value
  5.0
- Would Recommend
  5.0
- $5,000+
- 10 - 49 employees
- Bellevue, WA
Headquartered in Miami Beach, Florida; Yerevan, Armenia and Bellevue, Washington, Innova is a software development firm. The small firm was launched in 2021. Their team focuses on custom software development, web development, mobile app development, other application development, and more.

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Industries
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40

Carbon Five

(0 Reviews)

Not yet reviewed.
- $100,000+
- 50 - 249 employees
- Seattle, WA
Launched in 2000, Carbon Five is a custom software development company. Their team specializes in Custom Software Development and Mobile App Development.
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Industries
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41

Devblock

(0 Reviews)

Not yet reviewed.
- $10,000+
- 50 - 249 employees
- Seattle, WA
Devblock is a software development company. Based in Seattle, Washington and Ho Chi Minh, Vietnam, the company offers Custom Software Development and Web Development.
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Industries
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42

Palador

(0 Reviews)

Not yet reviewed.
- $10,000+
- 10 - 49 employees
- Seattle, WA
Palador is a small custom software development firm headquartered in Seattle, Washington and Yogyakarta, Indonesia. Their services include Custom Software Development and Enterprise App Modernization.
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Industries
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43

Room 8 Group

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 1,000 - 9,999 employees
- Kingston, WA
Room 8 Group, an app development firm, was founded in 2011. They specializes in Mobile App Development and Custom Software Development.
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Industries
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44

Rooster Park Consulting

(0 Reviews)

Not yet reviewed.
- $5,000+
- 10 - 49 employees
- Seattle, WA
Located in Seattle, Washington, Rooster Park Consulting is a software development firm. They focus on Custom Software Development and IT staff augmentation and were founded in 2008.
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Clients
- Disney
Industries
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45

LabKey

(0 Reviews)

Not yet reviewed.
- $5,000+
- 10 - 49 employees
- Seattle, WA
LabKey is a small software development company located in Seattle, Washington and San Diego, California. The team offers Custom Software Development and cloud consulting & SI.
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Clients
- MIT
Industries
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46

DMC, Inc.

(0 Reviews)

Not yet reviewed.
- $10,000+
- 50 - 249 employees
- Seattle, WA
DMC, Inc., a custom software development firm, is based in Chicago, Illinois and Somerville, Massachusetts. The team provides Custom Software Development and CRM consulting and SI.
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Clients
- 3M
Industries
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47

Jetstream Software, Inc.

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- Kirkland, WA
Jetstream Software, Inc., a software development company, provides Custom Software Development and AR/VR development. The agency is located in Kirkland, Washington.
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48

Dev9

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 50 - 249 employees
- Kirkland, WA
Dev9 is a custom software development company. The team is headquartered in Kirkland, Washington, and their services include Custom Software Development and IT managed services.
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49

SOUTHWORKS

(0 Reviews)

Not yet reviewed.
- $10,000+
- 250 - 999 employees
- Bellevue, WA
SOUTHWORKS is a midsize custom software development firm. They offer Custom Software Development and cloud consulting & SI and were launched in 2004.
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Industries
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50

Xebia

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 1,000 - 9,999 employees
- Seattle, WA
Big data company Xebia is in San Fernando, Spain and Seattle, Washington. Their services include BI & big data consulting & SI and cloud consulting & SI.
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51

PiorSoft

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 2 - 9 employees
- Kirkland, WA
Established in 2016, PiorSoft, a small software development company, is located in Kirkland, Washington. Their team offers Custom Software Development.
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52

F5

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 1,000 - 9,999 employees
- Seattle, WA
Cloud consulting & SI company F5 was established in 1996. The team specializes in cloud consulting & SI and Custom Software Development and is in Seattle, Washington and Billerica, Massachusetts.
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Industries
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53

CoreUs

(0 Reviews)

Not yet reviewed.
- $250,000+
- 2 - 9 employees
- Renton, WA
CoreUs is a software development firm. The Renton, Washington-based company provides Custom Software Development and UX/UI Design.
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Industries
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54

Fresh Consulting

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 250 - 999 employees
- Bellevue, WA
Fresh Consulting is a custom software development firm established in 2007. The midsize team provides Custom Software Development and UX/UI Design.
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Industries
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55

Actus Consulting Group

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 2 - 9 employees
- Seattle, WA
Actus Consulting Group is a small Seattle, Washington-based CRM consulting and SI and custom software development company. Their services include CRM consulting and SI and Custom Software Development.
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56

Caravel Labs

(0 Reviews)

Not yet reviewed.
- $5,000+
- 10 - 49 employees
- Seattle, WA
Caravel Labs is a software development firm. The Seattle, Washington-based firm specializes in Custom Software Development and Mobile App Development.
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57

Merito Solutions, Inc

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 10 - 49 employees
- Bellevue, WA
Merito Solutions, Inc, a software development company, was established in 2013. Located in Bellevue, Washington, the team offers Custom Software Development and Application Testing.
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58

Stellar Elements
(44 Reviews) 4.9
- Timeliness
  4.9
- Service Excellence
  4.9
- Value
  4.7
- Would Recommend
  5.0
- Undisclosed
- 250 - 999 employees
- Seattle, WA
Projekt202 is a software development and marketing company based in Addison, Texas. They were founded in 2003 and have a team of 285 employees. They specialize in custom software development, UX/UI design, and mobile app development to improve their client’s customer and employee experiences.

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Clients
- Vonto
Industries
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59

Motion Automation Intelligence

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 250 - 999 employees
- Kirkland, WA
Motion Automation Intelligence is a Robotics Process Automation company. The Kirkland, Washington-based team focuses on Robotics Process Automation and Custom Software Development.
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Industries
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60

Auth0 by Okta

(0 Reviews)

Not yet reviewed.
- Undisclosed
- 250 - 999 employees
- Bellevue, WA
Auth0 by Okta is a cloud consulting & SI company. Their midsize team is based in Bellevue, Washington and provides cloud consulting & SI and Custom Software Development. The firm was founded in 2013.
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