Best Missouri .Net Development Companies

15 Companies - Rankings updated: June 06, 2026

DesignRush evaluates each agency using expert assessment and client feedback to inform your choices. Some featured agencies have paid placements.

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United States × Missouri ×

  • Funnel Boost Media

    Design. Rank. Grow | Award Winning Digital Marketing Agency

    Design. Rank. Grow | Award Winning Digital Marketing Agency

    Funnel Boost Media offers local web design, SEO, GEO, PPC, and social media marketing. We help businesses rank on search engines and LLM AI platforms, drive traffic, and get measurable results. Known as one of America's best digital marketing companies by Forbes. Call us now for a free consultation.  [... see all Funnel Boost Media reviews ]

    Top Services:

    • Software Development
    Location
    Kansas City, Missouri
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    14 Projects Listed
    View Profile
    5.0 5.0 (89)
    4.9 4.9 (220)

  • Keyhole Software

    Custom App Development for Brands and Businesses!

    Custom App Development for Brands and Businesses!

    Keyhole is a company that specializes in quality software development services. They offer full-stack developers skilled in Java development, .NET, and JavaScript technologies, along with product development teams that manage software projects from design to launch, including architects, developers, project  [... view Keyhole Software profile ]

    Top Services:

    • Software Development
    • Mobile App Development
    • UI/UX Design
    Location
    Kansas City, Missouri
    Number of Employees
    50 - 99
    Portfolios Count
    5 Projects Listed
    View Profile
    4.7 4.7 (10)

  • Tepia

    Invested in Your Success

    Invested in Your Success

    Tepia is a software company founded in 2012 with over 30 years of experience in web and mobile app development. We are a passionate and agile team of developers, designers, and strategists who are consistently pushing the boundaries of technology.  [... see all Tepia reviews ]

    Top Services:

    • Software Development
    • Mobile App Development
    • .Net
    Location
    Kansas City, Missouri
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    2 Projects Listed
    View Profile
    4.6 4.6 (3)
    4.8 4.8 (26)

  • Active Logic

    100% US-Based Software Development Services

    100% US-Based Software Development Services

    Active Logic is a premium custom software development agency with 100% US-based software engineers. We locally staff our offices with Senior Software Developers and we strive to deliver exceptional digital products through active communication and collaboration with our clients.  [... view Active Logic profile ]

    Top Services:

    • Software Development
    • eCommerce Development
    • Mobile App Development
    Location
    Kansas City, Missouri
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Portfolios Count
    5 Projects Listed
    View Profile
    5.0 5.0 (1)

  • American Web Designers

    Leading Website Design & Development Agency For The Best Digital Experience

    Leading Website Design & Development Agency For The Best Digital Experience

    American Web Designers is a professional Web Design and Digital Marketing Agency. We excel in providing full services to our clients and helping them reach their full potential along with highly successful growth.  [... see all American Web Designers reviews ]

    Top Services:

    • Software Development
    Location
    St. Louis, Missouri
    Number of Employees
    100 - 249
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    4 Projects Listed
    View Profile
    4.3 4.3 (2)
    3.0 3.0 (6)

  • STL Website Development

    Stress-Free Website Development, Maintenance, Logo Design, Copywriting Services.

    Stress-Free Website Development, Maintenance, Logo Design, Copywriting Services.

    STL Website Development specializes in minimalistic website development, maintenance, logo design, and copywriting services, ensuring a professional touch in every project. The agency's approach prioritizes collaboration and creativity. As such, STL Website Development brings the client's vision to life while  [... view STL Website Development profile ]

    Top Services:

    • Software Development
    • Cybersecurity
    • Web Development
    Location
    St. Louis, Missouri
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    15 Projects Listed
    View Profile

  • Alambda Systems

    Bridging the Gap between people and Technology

    Bridging the Gap between people and Technology

    Alambda Systems has had the pleasure of collaborating with customers and partners from across the world on projects of varying size and complexity. In all of our work, we blend curiosity and originality with a deep understanding of what it takes to make everything function and function exceptionally well.  [... view Alambda Systems profile ]

    Top Services:

    • Software Development
    • eCommerce Development
    • IT Services
    Location
    St. Louis, Missouri
    Number of Employees
    Under 49
    Average Hourly Rate
    $125/hr
    Portfolios Count
    1 Project Listed
    View Profile
    5.0 5.0 (26)

  • Tecziq Solutions

    Strategy, Innovation, Growth

    Strategy, Innovation, Growth

    Technology partners in the development and implementation of automated solutions on mobile and web platforms leading to digital transformation and sustainable growth.  [... see all Tecziq Solutions reviews ]

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    Location
    St. Louis, Missouri
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    2 Projects Listed
    View Profile
    4.3 4.3 (1)

  • The Joseph Company

    We Ignite Your Vision

    We Ignite Your Vision

    The Joseph Company is a trusted technology partner providing custom web development & IT services to businesses across St. Louis and Southern Illinois. Headquartered in Arnold, Missouri, we serve clients throughout the region with a commitment to excellence, responsiveness, and long-term partnership  [... view The Joseph Company profile ]

    Top Services:

    • Software Development
    • Web Design
    • IT Services
    Location
    Arnold, Missouri
    Number of Employees
    Under 49
    Average Hourly Rate
    $120/hr
    View Profile
    3.9 3.9 (7)

  • AW Digital Marketing

    Marketing made simple. We're here for however long YOU need us!

    Marketing made simple. We're here for however long YOU need us!

    AW Digital Marketing is a full-service marketing agency offering content marketing, SEO (Search Engine Optimization), Google Ads, social media marketing/management, website design/redesign/management, graphic design, mobile application development, marketing strategy advice and direction, email/SMS  [... view AW Digital Marketing profile ]

    Top Services:

    • Software Development
    Location
    Kansas City, Missouri
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    5 Projects Listed
    View Profile

  • Soft Does

    Custom Software That Works in the Real World

    Custom Software That Works in the Real World

    SoftDoes builds custom software, AI, and web applications for mid-market companies that need enterprise-grade results without the overhead of an in-house team. U.S.-based leadership. Full IP ownership. No lock-in.  [... view Soft Does profile ]

    Top Services:

    • Software Development
    • AWS
    • UI/UX Design
    Location
    St. Louis, Missouri
    Number of Employees
    50 - 99
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
    View Profile

  • VIVIDSITES

    Transforming the Way You Reach Customers

    Transforming the Way You Reach Customers

    VIVIDSITES is a long-standing, full-service digital marketing agency dedicated to innovation and providing exceptional service. With our ability to build custom or third-party software solutions at an affordable price point, we ensure organizations get the most out of their investment.  [... view VIVIDSITES profile ]

    Top Services:

    • Software Development
    • Mobile App Development
    • UI/UX Design
    Location
    St. Louis, Missouri
    Number of Employees
    Under 49
    Average Hourly Rate
    $199/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    5.0 5.0 (22)

  • Atlatl Enterprises LLC

    Launch your Business to new Heights.

    Launch your Business to new Heights.

    Atlatl is your data-driven growth partner, elevating brands with SEO, PPC & web design. Atlatl empowers startups, entrepreneurs, and established businesses to soar to new heights through tailored digital marketing and branding solutions.  [... view Atlatl Enterprises LLC profile ]

    Top Services:

    • Software Development
    Location
    St. Louis, Missouri
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • Sketch Development Services

    Better Teams // Better Software

    Better Teams // Better Software

    Sketch delivers AI-enabled custom software and DevOps via a subscription model with two-week delivery cycles, citing zero missed deadlines. Its team serves Fortune 500 clients and is best suited for product teams needing a transparent, agile dev partner without long-term contracts.  [... view Sketch Development Services profile ]

    Top Services:

    • Software Development
    • Java
    • Cloud Consulting
    Location
    St. Louis, Missouri
    Number of Employees
    Under 49
    Minimal Budget
    $50,000 & Up
    View Profile
    4.8 4.8 (8)

  • CubyCode

    Cutting-edge tech solutions

    Cutting-edge tech solutions

    CUBYCODE is a team of tech professionals providing exceptional services since 2014. Specializing in web and app development, quality assurance and testing, we are committed to delivering data-driven results to mid-sized organizations, startups and established corporate companies.  [... view CubyCode profile ]

    Top Services:

    • Software Development
    Location
    Overland, Missouri
    Number of Employees
    Under 49
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile

Related Services in Missouri

Related Software Development Specializations in Missouri

About The Author and Expert Reviewer

Content Specialist

selina@designrush.com

Selina Garcia has authored 500+ articles and edited 50+ published books in economics, law, and history. Her unique blend of experiences allows her to approach content creation from a well-rounded perspective. Currently, Selina applies her expertise to producing insightful articles on IT, software, and applications for DesignRush.

Former Development Director

spotlight@designrush.com

Sergio is a technology leader with over six years of experience managing global teams and delivering projects across fintech, sportstech, and B2B platforms. At DesignRush, he drove product growth and development execution, building tools that speed up processes by 95% and cut costs by 35% while maintaining full uptime.

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