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About QOLOS (pronounced "kōh-lōs")
Based in Green Bay, Wisconsin, QOLOS is a U.S.-based development firm specializing in Salesforce contracting, ERP integrations (SAP & Infor), eCommerce development, and custom SaaS software.

Our team of top-tier developers and solution architects builds scalable, high-performance systems that streamline operations, automate workflows, and drive measurable growth.

We’ve delivered complex solutions for leading national brands — from integrating Salesforce and ERP platforms to designing enterprise-grade Shopify and BigCommerce storefronts.

Whether you’re modernizing legacy systems, building new SaaS products, or connecting platforms for a seamless digital ecosystem, QOLOS combines technical excellence with business insight to help you scale smarter.

Core Services:

  • Salesforce Contracting & Automation

  • ERP Integrations (SAP, Infor, NetSuite)

  • eCommerce Development (Shopify, BigCommerce)

  • Custom SaaS & Web Applications

Headquarters: Green Bay, WI | Serving clients nationwide

  • Min project size
    $100,000+
  • Hourly rate
    $100 - $149 / hr
  • Employees
    10 - 49
  • Locations
    Green Bay, WI
  • Year founded
    Founded 2018

1 Locations

  • Green Bay , WI

No have been added yet...

    Pricing Snapshot

    Min. project size $100,000+
    Avg. hourly rate $100 - $149 /hr
    Rating for cost 5 /5

    What Clients Have Said

    QOLOS offers good value for cost, fitting clients' budgets across various projects. They consistently deliver on time and maintain excellent communication, enhancing project outcomes. Specific project costs are not provided, but clients highlight their efficiency and responsiveness as key strengths.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $200,000 - $999,999 based on 11 reviews
    < $49,999 $50,000 - $199,999 $200,000 - $999,999 > $1,000,000

    Select a service to see pricing information

    QOLOS Review Insights

    Overall Review Rating

    5.0
    • Quality 5.0
    • Schedule 5.0
    • Cost 5.0
    • Willing to Refer 5.0

    Top Mentions

    Review Highlights

    • Positive Client Outcomes

      QOLOS has achieved significant positive outcomes for clients, such as increased sales, improved user engagement, and enhanced app performance, demonstrating their ability to deliver impactful solutions.

    • Versatile and Adaptive Team

      QOLOS is praised for their versatility and ability to adapt to diverse client requirements, showcasing their capacity to deliver customized solutions that meet specific business objectives.

    • Impressive Technical Knowledge

      QOLOS's technical expertise is highly regarded, with clients appreciating their proficiency in web and app development using technologies like React, HTML, SQL, and Flutter. Their capability to handle complex requirements is well noted.

    • Innovative Solutions

      QOLOS is recognized for proposing creative and innovative solutions that clients hadn't considered, contributing significantly to the success and modernization of client projects.

    • Commitment to Collaboration

      QOLOS is noted for their commitment to collaboration, working closely with client teams to ensure seamless integration of skills and processes, enhancing the overall project experience.

    QOLOS Reviews

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    Web Dev & Design for Game Development Company

    • Web Design Web Development
    • $200,000 to $999,999
    • Jan. - Apr. 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They were incredibly personable and easy to work with throughout the process."

    Nov 8, 2024
    Project Manager, EGOSOFT
    Alla Lorent
    Verified
    • Gaming
    • Aachen, Germany
    • 11-50 Employees
    • Online Review
    • Verified

    QOLOS was hired by a game development company to modernize the overall look and feel of their website. Their work focused on fixing and enhancing existing features and adding new banners and functionalities. 

    Web & Mobile App Development for Research Co

    • Mobile App Development Web Development
    • $200,000 to $999,999
    • May - Sep. 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "What impressed us most was their deep technical expertise and proactive communication."

    Nov 8, 2024
    Owner, STURM & DRANG GmbH
    Europa Bendig
    Verified
    • Business services
    • Hamburg, Germany
    • 11-50 Employees
    • Online Review
    • Verified

    QOLOS used React and HTML to build a mobile app for a research company. The team also integrated an SQL database, handled frontend coding and database management, and supported the PWA app.

    Web Design & Development for HR Company

    • Web Design Web Development
    • $200,000 to $999,999
    • Jan. - May 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Their attention to detail and client-focused approach stood out."

    Oct 29, 2024
    CEO, High Touch
    Wilko Grievink
    Verified
    • Other industries
    • Amsterdam, Netherlands
    • 11-50 Employees
    • Online Review
    • Verified

    QOLOS redesigned a website for an HR company. The team was responsible for front- and backend development, integrating new interactive features, and optimizing the site for mobile devices.

    Mobile App Development & UX/UI Design for Brewery Company

    • Mobile App Development UX/UI Design
    • $200,000 to $999,999
    • June 2023 - Jan. 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The ability of QOLOS to fit in with our team was what really made them stand out."

    Oct 25, 2024
    Former CEO, Adnams Information
    Andy Wood OBE DL
    Verified
    • Other industries
    • London, England
    • 201-500 Employees
    • Online Review
    • Verified

    A brewery company hired QOLOS to develop and design a mobile app. The team was responsible for the app's design, UI/UX, encryption layers, protocol integration, and distribution.

    Web Design, Branding & Logo for Inventory Finance Company

    • Branding Logo Web Design
    • $200,000 to $999,999
    • May - Aug. 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "We definitely recommend QOLOS to anyone with any kind of design needs."

    Oct 24, 2024
    FOUNDER, Settle
    Sabeen Syed
    Verified
    • Financial services
    • San Francisco, California
    • 11-50 Employees
    • Online Review
    • Verified

    QOLOS designed a web platform for an inventory finance company. The team was also responsible for the client's rebranding, including creating a logo and branding materials.

    Mobile App Dev & Testing & UX/UI Design for EdTech Company

    • Application Testing Mobile App Development UX/UI Design
    • Less than $10,000
    • May - Sep. 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Our experience with QOLOS was exceptional, and they surpassed our expectations throughout the project."

    Oct 23, 2024
    Founder & CEO, Dailies
    Jessica Shelley
    Verified
    • Education
    • Los Angeles, California
    • 1-10 Employees
    • Online Review
    • Verified

    QOLOS provided mobile app development services for an edtech company. The team used Flutter to migrate the client's app from iOS and Android to a unified codebase, created a UX using Figma, and offered QA.

    Mobile App Development for IT Services Company

    • Mobile App Development
    • $200,000 to $999,999
    • Jan. - Apr. 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "I was extremely satisfied with the cooperation."

    Nov 8, 2024
    Senior Recruiter, nemensis AG
    Natalia Katana
    • Other industries
    • Berlin, Germany
    • 11-50 Employees
    • Online Review

    QOLOS  worked with an IT services company to build a custom app for iOS and Android using Flutter. Their work involved analytics, UX/UI design, user research, usability testing, and further development.

    Web Design & Development for Financial Services Company

    • Web Design Web Development
    • $200,000 to $999,999
    • Sep. 2023 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "We find their personable approach and ability to meet our every need to be truly unique."

    Nov 1, 2024
    Co-Founder, StudentFinance
    Mariano Kostelec
    • Financial services
    • Madrid, Spain
    • 11-50 Employees
    • Online Review

    QOLOS has designed and developed a website for a financial services company.

    Web Design & Development for Financial Company

    • Web Design Web Development
    • $200,000 to $999,999
    • Jan. - Apr. 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "What stood out most was QOLOS’s ability to blend technical expertise with a deep understanding of user experience."

    Oct 29, 2024
    Project Manager, FactorFox Software LLC
    Disha S.
    • Financial services
    • Miami Beach, Florida
    • 11-50 Employees
    • Online Review

    QOLOS worked with a financial company to redesign their website. This involved designing a new UI, optimizing the site's performance, and integrating new tools, and enhancing backend functionalities.

    Mobile App & Admin Panel Development for AI News Company

    • Custom Software Development Mobile App Development
    • $200,000 to $999,999
    • June - Sep. 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They're great at communicating and always there when I need them."

    Oct 25, 2024
    Founder & CEO, Superhuman
    Zain Kahn
    Verified
    • Information technology
    • Ontario, Canada
    • 1-10 Employees
    • Online Review
    • Verified

    QOLOS provided mobile app development services for an AI news company. The team finished an existing app, created an admin panel, and developed a new app.

    Showing 1-11 of 11 Reviews

    Our Story

    At QOLOS, technology is only as good as the people behind it — and ours are among the best. Based in Green Bay and Appleton, Wisconsin, our team blends enterprise-level experience with the agility and creativity of a startup.

    QOLOS brings together a powerhouse group of Salesforce architects, ERP consultants, software engineers, eCommerce specialists, designers, and marketing strategists — all driven by one goal: building technology that makes business simpler, smarter, and more profitable.

    Clutch verification provides an additional layer of data to help you make the right purchasing decision of business services.

    Learn More
    Verified Client Reviews
    8
    Overall Review Rating
    5
    Source
    Clutch
    Last Updated
    November 8, 2024

    Business Entity

    Business Entity Name QOLOS, Inc.
    Source State of Wisconsin Department of Financial Institutions
    Jurisdiction of Formation Wisconsin
    Date of Formation July 9, 2018
    Status Active
    Last Updated October 11, 2025
    ID Q005568

    Credit Report Results

    International Credit Risk Assessment Low Risk
    Source Creditsafe
    Last Updated October 11, 2025
    Learn More About The Clutch Verification Process

    Locations (1)

    340 North Broadway Green BayWI, United States 54303

    16 - 20

    Contact QOLOS

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