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Custom B2B digital products, built AI-native.

Notch is an AI engineering partner. We build agentic solutions, custom AI models, and software-based digital products with AI embedded across every team and every stage of delivery - not bolted on at the end. 

Our services: AI-native software development, AI consulting, greenfield projects, app modernization, team extension, design, discovery, and business process consulting.

Domain expertise: Finance, telecom, government, construction, pharma, and IT. 

  • 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

Select Focus Area
Application Platforms
Amazon Application Development Framework
30%
Azure Platform
30%
AI Agent Development Focus
AI Agent Frameworks
60%
AI Agent Platforms & Builders
40%
AI Agent Purpose Focus
General Purpose AI Agents
20%
Business Intelligence AI Agents
15%
Coding & Development AI Agents
15%
Customer Service AI Agents
15%
Workflow AI Agents
15%
Data Analysis AI Agents
10%
Productivity AI Agents
10%
AI Consulting Focus
AI Platform Integration Focus
Hubspot AI Integration
20%
Wix AI Integration
20%
Notion AI Integration
15%
Squarespace AI Integration
15%
Google Workspace AI Integration
10%
Gumloop AI Integration
10%
Salesforce AI Integration
10%
AI Technologies & Models
Open AI GPT-3
40%
Anthropic
20%
Cohere
15%
Deepmind Gopher
10%
Hugging Face Bloom
10%
Open AI Dall-E 2
5%
Frameworks and CMS
Spring MVC
50%
.NET
10%
Programming & Scripting
Java
30%
Go
10%
Industries
Information technology
20%
Financial services
15%
Telecommunications
15%
Government
10%
Medical
10%
Supply Chain, Logistics, and Transport
10%
Business services
5%
Energy & natural resources
5%
Other industries
5%
eCommerce
5%
Clients
Midmarket ($10M - $1B)
50%
Enterprise (>$1B)
40%
Small Business (<$10M)
10%

Pricing Snapshot

Min. project size $50,000+
Avg. hourly rate $50 - $99 /hr
Rating for cost 4.6 /5

What Clients Have Said

Notch offers competitive pricing that aligns well with client budgets. Projects typically involve teams of 2-10 employees, with successful outcomes such as enhanced UX and operational efficiency. Clients appreciate the value for cost, citing strong communication and adaptability throughout the project lifecycle.

This summary is based on verified Clutch reviews.

Most Common Project Size

$200,000 - $999,999 based on 13 reviews
< $49,999 $50,000 - $199,999 $200,000 - $999,999 > $1,000,000

Select a service to see pricing information

Notch Review Insights

Overall Review Rating

4.9
  • Quality 4.9
  • Schedule 4.9
  • Cost 4.6
  • Willing to Refer 4.9

Top Mentions

Review Highlights

  • Successful Integration with Client Teams

    Notch successfully integrates with client teams, contributing to project success as an extension of the client's workforce. This integration is facilitated by their understanding of client systems and processes.

  • Effective Project Management

    Clients commend Notch for their project management skills, emphasizing timely deliveries, proactive communication, and adaptability to evolving needs. Their structured processes and ability to meet milestones are repeatedly noted as strengths.

  • Strong Industry and Domain Knowledge

    Notch demonstrates a deep understanding of various industries, including telecom, insurance, and AI. This knowledge allows them to offer informed advice and innovative solutions tailored to specific business needs.

  • Positive Client Feedback

    Feedback from clients is overwhelmingly positive, with many expressing high satisfaction with Notch's deliverables and the overall impact on their business operations. Clients appreciate the quality and consistency of Notch's work.

  • Collaborative and Client-Focused Approach

    Notch is recognized for integrating seamlessly with client teams, showing commitment and ownership akin to internal staff. Their collaborative style and investment in client success are major factors that set them apart.

Notch Reviews

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Services
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Industry
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POC Web Development for AI CV Writing Platform

  • AI Consulting Custom Software Development Web Development
  • $50,000 to $199,999
  • Oct. 2025 - May 2026
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They took the time to understand our industry, our users, and the pressures of frontline delivery."

Jun 15, 2026
CEO, Candid AI
Emma Alkirwi
Verified
  • Information technology
  • United Kingdom
  • 1-10 Employees
  • Online Review
  • Verified

Notch provided web development services for an AI CV writing platform. The team ran AI POC experiments to validate technical and business assumptions and built a SaaS product.

IT Staff Augmentation for Telecommunications Company

  • Custom Software Development IT Staff Augmentation
  • Other frameworks and CMS
    +3
  • Confidential
  • Oct. 2021 - June 2025
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Everyone, including the analysts, is very positive about the tool and the improvements it brings."

Dec 16, 2025
Director of IT, Iskon Internet
Ranko Petrovic
Verified
  • Telecommunications
  • Zagreb, Croatia
  • 201-500 Employees
  • Online Review
  • Verified

Notch augmented a telecommunications company's development team with Java engineers. The team helped the client implement business processes in Camunda to improve automation and operational efficiency.

AI Consulting & Development for Telecommunications Co

  • AI Consulting AI Development Custom Software Development
  • Confidential
  • Sep. 2024 - Jan. 2025
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"The level of commitment to help us succeed with our pitch stood out."

Apr 21, 2025
PMO, Telecommunications Co
Anonymous
Verified
  • Telecommunications
  • Dubai, United Arab Emirates
  • 201-500 Employees
  • Online Review
  • Verified

Notch provided AI consulting for a telecommunications company. The team developed an AI-driven solution using predictive analytics, NLP, and data integration.

Custom App Revamp for Automotive Services Company

  • Application Testing Custom Software Development UX/UI Design
  • Confidential
  • Nov. 2022 - Ongoing
5.0
Quality
4.5
Schedule
4.5
Cost
4.5
Willing to Refer
5.0

"A great thing about Notch is that they're flexible and listen to our needs, but they also provide their opinion."

Jul 12, 2024
Head of IT, Beerens
Christophe de Smet
Verified
  • Automotive
  • Antwerp, Belgium
  • 51-200 Employees
  • Phone Interview
  • Verified

Notch has helped an automotive services company revamp their EOC app to improve their customers' EOC task management. Their work has included UI/UX design, front- and backend development, and testing.

Custom Software Development for Crop Insurance Company

  • Application Management & Support Application Testing Custom Software Development Enterprise App Modernization
  • .NET
    +1
  • Confidential
  • July 2022 - Mar. 2023
4.5
Quality
5.0
Schedule
5.0
Cost
4.5
Willing to Refer
5.0

"Notch delivered on the commitments they made."

Apr 18, 2023
CIO, ProAg
Maria Wintheiser-Lloyd
Verified
  • Other industries
  • Minneapolis, Minnesota
  • 201-500 Employees
  • Online Review
  • Verified

A crop insurance agency hired Notch for custom software development. The client's goal was to create a revolutionary quoting system that would attract agents to the client's company. 

Custom Web Dev for HR-Focused Technology Startup

  • Custom Software Development IT Staff Augmentation Web Development
  • $200,000 to $999,999
  • Apr. 2021 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

“They always want to build technology that solves our customers' needs.”

Sep 19, 2022
Head of Delivery, HR-Focused Technology Startup
Anonymous
Verified
  • Other industries
  • Ireland
  • 51-200 Employees
  • Phone Interview
  • Verified

Agency04 collaborates with the internal development team of a technology startup, continuously developing web apps and features related to an HR SaaS tool. Additionally, they provide ongoing customer support.

Digital Goods Marketplace Dev for Sports Company

  • Mobile App Development
  • Mobile Game Development
  • $200,000 to $999,999
  • Oct. 2020 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Every person involved is very dedicated to the product they are building for us."

 
Apr 1, 2021
COO, The Football Company
Anonymous
Verified
  • Other industries
  • Munich, Germany
  • 1-10 Employees
  • Online Review
  • Verified

Agency04 is the chosen developer of a digital goods marketplace for a sports company. The team handles the backend and native mobile applications frontend of the product. They utilize Java, ReactJS, and more.

Custom Software Dev for Cloud-Based Platform

  • Custom Software Development
  • Confidential
  • Apr. 2020 - Ongoing
4.0
Quality
4.5
Schedule
4.0
Cost
4.0
Willing to Refer
3.5

"The whole team is committed to the product and does their best to have good results."

Mar 31, 2021
Product Owner, Cloud-Based Platform
Anonymous
Verified
  • Other industries
  • Koeln, Germany
  • 51-200 Employees
  • Online Review
  • Verified

A cloud-based platform hired Agency 04 to create a new web platform. The goal is to finish all the necessary features and replace the client's old solution. The team also handles the testings.

Web App Dev for Full-Service Digital Agency

  • Web Development
  • $200,000 to $999,999
  • Nov. 2020 - June 2021
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"The motivation of each team member to achieve the best possible result is amazing."

Mar 29, 2021
Senior Principal Project Manager, Merkle DACH
Stefan Herder
Verified
  • Other industries
  • Germany
  • 1,001-5,000 Employees
  • Online Review
  • Verified

Agency04 was hired by a full-service digital agency to develop an app for their customer. They were tasked to create a progressive web app that representatives can use during customer meetings.

Showing 1-10 of 20 Reviews

Our Story

We are a team of over 170 experts based in Central Europe, united by a passion for solving complex business challenges and creating robust AI-first digital products. Here, engineers, designers, analysts, and consultants thrive together, forming strong client relationships and truly living Notch’s values every day—from courage and collaboration to human respect. That’s how we delivered over 300 projects to clients worldwide and earned recognition as a top global software and AI strategy company.

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

Learn More
Verified Client Reviews
19
Overall Review Rating
4.9
Source
Clutch
Last Updated
June 15, 2026

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)

Ul. Republike Austrije 33 ZagrebCroatia 10000

101 - 150

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1WorldSync EMEA

(1)
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Dan Parris

Candid AI

(1)
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Emma Alkirwi

Crowtech Solutions

(1)
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Crowtech Solutions

Instrek

(1)
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Anjali Chaurasia

Iskon

(1)
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Ranko Petrovic

Additional Connections

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