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Building custom enterprise-grade digital products

In October 2022 Agency 04 has rebranded to Notch.

We build custom enterprise-grade digital products that support businesses to effectively accelerate their mission-critical goals, and unlock new business opportunities enabled by technology.

Our services: product research and design, software development and architecture, custom digital products, mobile app development, application modernization, tech consulting, business analysis, quality engineering, project management.

  • Min project size
    $50,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    50 - 249
  • Locations
    Zagreb, Croatia
  • Year founded
    Founded 2014
  • Languages
  • Timezones

3 Languages that we service

  • English
  • German
  • Croatian

6 Timezones that we service

CET
Central European Time (CET)
CST
Central Standard Time (CST)
EST
Eastern Standard Time (EST)
EET
Eastern European Time (EET)
GMT
Greenwich Mean Time (GMT)
UTC
Universal Coordinated Time (UTC)

2 Locations

  • Zagreb , Croatia
  • Split , Croatia
No have been added yet...

    Pricing Snapshot

    Min. project size $50,000+
    Avg. hourly rate $50 - $99 /hr
    Rating for cost 4.7 /5

    What Clients Have Said

    Notch is noted for providing good value for cost, with clients highlighting competitive pricing and effective project management. Specific project costs were not detailed, but clients appreciated the affordability and quality of service, reflecting positive outcomes and strong partnerships.

    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
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    Notch Review Insights

    Overall Review Rating

    4.9
    • Quality 4.9
    • Schedule 4.9
    • Cost 4.7
    • Willing to Refer 4.9

    Top Mentions

    Review Highlights

    • Proactive and Structured Project Management

      Notch is recognized for proactive project management and well-structured processes. They deliver on time and maintain open communication, ensuring client needs are met and expectations are managed effectively.

    • Seamless Team Integration

      Clients noted that Notch teams integrate seamlessly with internal teams, adopting similar work philosophies and fostering collaboration. This integration was highlighted as a key factor in successful project outcomes.

    • Commitment to Client Success

      Notch's commitment to client success is notable, with teams going above and beyond to ensure project goals are achieved. Their dedication to understanding client needs and delivering tailored solutions is frequently praised.

    • High Technical Competency

      Clients commend Notch for their deep understanding of technology and ability to provide insightful guidance. Their technical expertise is a significant asset in developing innovative and effective solutions.

    • Effective Communication and Documentation

      Notch is praised for their clear communication and extensive documentation, which facilitate smooth project execution and stakeholder alignment. They anticipate client needs and address concerns proactively.

    Notch Reviews

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    All Filters

    E-Commerce Solution for IT Services Company

    • E-Commerce Development
    • $1,000,000 to $9,999,999
    • July 2019 - July 2020
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The flexibility of the management was much appreciated."

    ECommerce project manager, ECLA Informatique SA
    Nicolas Binnendijk
    • Information technology
    • Lausanne, Switzerland
    • 1,001-5,000 Employees
    • Online Review 
    • Verified

    AGENCY04 provided e-commerce development. Their team augmented the client's staff. 

    Software Dev for Electrical Engineering Company

    • Custom Software Development
    • $200,000 to $999,999
    • Nov. 2017 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    “They’re eager to learn from us and solve our issues creatively.”

    Head of Custom Software Development, Končar
    Tonci Kalina
    • Manufacturing
    • Zagreb, Croatia
    • 51-200 Employees
    • Phone Interview 
    • Verified

    AG04 was hired to develop two software programs from scratch.

    Dedicated Dev for Continuous Delivery Software Firm

    • Web Development
    • Confidential
    • Jan. 2014 - Ongoing
    4.5
    Quality
    4.5
    Schedule
    5.0
    Cost
    4.0
    Willing to Refer
    5.0

    "They’re committed, knowledgeable, and capable of managing an IT team."

    VP of Product Development, XebiaLabs
    Andreas Prins
    • Software
    • Burlington, Massachusetts
    • 51-200 Employees
    • Phone Interview 
    • Verified

    AG04 participates in the development of complex products, including a software deployment tool. They use Angular, React, Java, and Scala to build the products’ core engines and features.

    Custom Web Solution for Global Construction Tech Group

    • Web Design
    • $200,000 to $999,999
    • Oct. 2018 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "All challenges our projects faced were solved together quickly!"

    Product Owner, Global Construction Tech Group
    Anonymous
    • Construction
    • Vienna, Austria
    • 10,001+ Employees
    • Online Review 
    • Verified

    Agency 04 developed a custom web solution in Java and Angular for a global construction tech group. The team created an application that aggregates and visualizes data in real-time from different ERP systems.

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

    Learn More
    Verified Client Reviews
    15
    Overall Review Rating
    4.9
    Source
    Clutch
    Last Updated
    April 21, 2025
    Business Entity
    Business Entity Name AG04 Innovative Solutions d.o.o.
    Source Republika Hrvatska Sudski Registar
    Jurisdiction of Formation Croatia
    Date of Formation October 2, 2014
    Status Active
    Last Updated July 21, 2022
    ID 080934686
    Credit Report Results
    International Credit Risk Assessment Very Low Risk
    Source Creditsafe
    Last Updated January 1, 2022
    Learn More About The Clutch Verification Process

    Locations (2)

    101 - 150

    Contact Notch

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