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    A company that offers expertise in Digital Strategy, User Experience & Design, cross-platform Application Development and Code-level Maintenance & Support consulting. Door3 turns business process and campaign concepts into executable, usable applications that work across platforms and devices, and we help technology solve real world problems in efficient, affordable ways.
    HQNew York, NY, US
    Employee Ratings3.9

    Latest Updates

    Employees (est.) (Apr 2021)59(-1%)
    Cybersecurity ratingBMore

    Key People/Management at DOOR3

    Alex Asianov

    Alex Asianov

    Founder & President
    Jonathan Blessing

    Jonathan Blessing

    Chief Executive Officer
    Michael Montecollo

    Michael Montecollo

    Director of Principal Consulting
    Pedro Dalmau

    Pedro Dalmau

    Chief Operating Officer & Director of Practices
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    DOOR3 Office Locations

    DOOR3 has offices in New York, Atlanta and Ukrainka
    New York, NY, US (HQ)
    22 Cortlandt St
    Atlanta, GA, US
    1100 Peachtree St NE #200
    Ukrainka, UA
    12 Energetikov St
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    DOOR3 Financials and Metrics

    Summary Metrics

    Founding Date


    DOOR3 Cybersecurity Score

    Cybersecurity ratingPremium dataset



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    DOOR3 Online and Social Media Presence

    Embed Graph

    DOOR3 Company Culture

    • CEO Rating



    • Compensation



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    DOOR3 Blogs

    From Hubspot to Google Sheets with JavaScript - Part II

    When is a spreadsheet more than a spreadsheet? When coding with Google Apps Script turns it into a dynamic dashboard. In my last blog post, I talked about how we came to the decision to use Google Sheets and Google Apps Scripts to build out our new sales lead tracker. This post will go more in depth…

    How Do You Manage a Project to Ensure Success

    Project managers are the unsung heroes of the development process. There’s so much more to shepherding a project to launch than just keeping the trains on schedule. Each role, from researchers to designers to developers relies on the guidance of a strong PM to connect the dots of a project and enabl…

    From Hubspot to Google Sheets with JavaScript

    Sometimes the projects that seem the most simple can turn out to be the most involved. For instance, a request to create a dashboard to track sales leads. While it may have been less straightforward than just feeding data into some charts and graphs, the end result allowed our sales and marketing te…

    How To Ensure Your Essential Applications Are Always Supported

    It’s a business owner’s worst nightmare: You invest time, money, and resources into building mission-critical business applications to suddenly find your organization without a safety net. Maybe your in-house developer finds a better opportunity or your external vendor will no longer support your im…

    Idioms at Work: Cross-Cultural Communication Isn’t Always a Piece of Cake

    As the great author and physician Khaled Hosseini said, “If culture was a house, language would be the key to the front door and all of the rooms.” There is more to language than just words, just as there’s more to what we mean than what we say. Anyone who has navigated a language barrier knows how …

    Senior WPF Developer

    Location: Kyiv, Ukraine We are looking for a Senior .WPF Developer with experience in each phase of software development; including requirements, design, coding and implementation, test and maintenance with strong leadership skills and passion for the product. Essential Job Duties: Work direct…
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    DOOR3 Frequently Asked Questions

    • When was DOOR3 founded?

      DOOR3 was founded in 2002.

    • Who are DOOR3 key executives?

      DOOR3's key executives are Alex Asianov, Jonathan Blessing and Michael Montecollo.

    • How many employees does DOOR3 have?

      DOOR3 has 59 employees.

    • Who are DOOR3 competitors?

      Competitors of DOOR3 include Techugo, ICS (Integrated Computer Solutions) and Eninov.

    • Where is DOOR3 headquarters?

      DOOR3 headquarters is located at 22 Cortlandt St, New York.

    • Where are DOOR3 offices?

      DOOR3 has offices in New York, Atlanta and Ukrainka.

    • How many offices does DOOR3 have?

      DOOR3 has 3 offices.