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Competitive advantage for startups

We've worked with dozens of clients over the years, form one person startups to large brands and we know secret sauce to success. A small organized team, perfect for nurturing your business needs.

Here are is the proof:

  • Series A round of funding.
  • Series B round of funding.
  • Investments of $800,000.00+ several times
  • Featured on Techcrunch several times
  • https://techcrunch.com/2017/10/24/startup-o-school-raises-800000-to-improve-sex-education/
  • $10,000+
  • $25 - $49 / hr
  • 10 - 49
  • Founded 2011
Average Review Rating
5.0
Total Reviews
3
Most Common Project Size
Less than $10,000
Average Referral Rating
5.0 /5

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    Highly Rated Similar Providers

    Overall Review Rating

    5.0
    • Quality

      5.0 /5
    • Schedule

      4.8 /5
    • Cost

      4.8 /5
    • Willing to Refer

      5.0 /5
    See all 3 Reviews
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    Backend Development for Retail Company

    • Custom Software Development
    • Less than $10,000
    • Dec. 2019 - Jan. 2020
    5.0
    Quality
    5.0
    Schedule
    4.5
    Cost
    4.5
    Willing to Refer
    5.0

    "The ease within which we were able to communicate was impressive."

    Feb 12, 2020

    Kolosek was hired to fix bugs in the client's backend. They utilized Ruby on Rails and Spree Commerce to redevelop their e-commerce platform. 

    Mobile & Web App Dev for HR Startup

    • Mobile App Development
    • $50,000 to $199,999
    • Apr. 2016 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "I'm impressed by their level of competence and flexibility."

    Feb 8, 2019

    Kolosek developed web, iOS, and Android apps. They handled architecture, UI/UX design, development, and testing needs. Their services are ongoing.

    Custom Web App Dev for IT Service Provider

    • Custom Software Development
    • $10,000 to $49,999
    • June 2017 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Kolosek has met every expectation so far. We’re extremely happy with our collaboration."

    Jan 30, 2019

    Kolosek built a custom web application in Ruby on Rails to capture billable calls for an IT service provider. The solution records the data in custom Linux-run servers. The team now provides support services. 

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