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Setting the new default in software development

Monterail is an agentic development company specializing in web and mobile applications for enterprise clients, ambitious startups, and scale-ups. Monterail works with recognized global brands, including Bosch, DocPlanner, EY, Merck, and SharkNinja.

Core Capabilities:

  • Custom web and mobile application development
  • AI-assisted software development services
  • Industries served: healthtech, MedTech, FemTech, fintech, proptech, retail, e-commerce
  • Team size: 130+ engineers and product experts
  • Min project size
    $10,000+
  • Hourly rate
    $25 - $49 / hr
  • Employees
    50 - 249
  • Locations
    Wrocław, Poland
  • Year founded
    Founded 2010
  • Languages
  • Timezones

2 Languages that we service

  • English
  • Polish

5 Timezones that we service

CET
Central European Time (CET)
EET
Eastern European Time (EET)
EST
Eastern Standard Time (EST)
GMT
Greenwich Mean Time (GMT)
MET
Middle East Time (MET)

1 Locations

  • Wrocław , Poland

Select Focus Area
Application Platforms
Amazon Application Development Framework
55%
Heroku
30%
Other app platform
15%
AI Consulting Focus
Programming & Scripting
Ruby
50%
Industries
Medical
25%
Financial services
20%
Retail
20%
Real estate
15%
eCommerce
15%
Other industries
5%
Clients
Midmarket ($10M - $1B)
50%
Enterprise (>$1B)
30%
Small Business (<$10M)
20%
Certified in:
Custom Software Development Web Development

Pricing Snapshot

Min. project size $10,000+
Avg. hourly rate $25 - $49 /hr
Rating for cost 4.4 /5

What Clients Have Said

Monterail's pricing varies widely, with project costs ranging from $30,000 to over $1 million, reflecting their adaptability to different project sizes and client needs. Clients often highlight good value for cost and effective communication, although some noted budget management could improve.

This summary is based on verified Clutch reviews.

Most Common Project Size

$50,000 - $199,999 based on 51 reviews
< $49,999 $50,000 - $199,999 $200,000 - $999,999 > $1,000,000

Select a service to see pricing information

Monterail Review Insights

Overall Review Rating

4.8
  • Quality 4.8
  • Schedule 4.7
  • Cost 4.4
  • Willing to Refer 4.8

Top Mentions

Review Highlights

  • Strong Project Management Skills

    Many clients praised Monterail's project management, noting clear communication, timely delivery, and effective use of tools like Slack, Jira, and Trello. They are proactive in addressing issues and ensuring projects stay on track.

  • Responsive and Adaptive Team

    Monterail is described as responsive and adaptive, capable of scaling their team to meet project demands. They adjust quickly to changing project scopes and client needs, ensuring successful outcomes.

  • Commitment to Best Practices

    Monterail adheres to industry best practices, ensuring high standards in development and design. Clients value their commitment to quality and their ability to deliver reliable, scalable solutions.

  • Impressive Technical Expertise

    Monterail's technical expertise is frequently highlighted, with clients noting their ability to handle complex integrations, migrations, and high-performance applications with ease.

  • Strong Emphasis on User Experience

    Monterail places a strong emphasis on UX/UI design, ensuring that applications are not only functional but also visually appealing and user-friendly. Clients report positive feedback from end users.

  • Areas for Improvement in Budget Management

    Some clients noted that budget management could be tighter, suggesting more clarity and expectation setting around costs and project scope to avoid exceeding initial budgets.

Monterail Reviews

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Ruby on Rails Development of e-Book Publishing App

  • Custom Software Development
  • backbone.js Other frameworks and CMS Ruby on Rails JavaScript
  • $10,000 to $49,999
  • Dec. 2011 - Dec. 2012
4.5
Quality
4.5
Schedule
4.0
Cost
4.5
Willing to Refer
4.5

"Compared to other agencies, they delivered a lot in terms of the budget. Other agencies were twice as expensive."

Feb 3, 2017
Consultant, eBookMakr
Stefan Wolpers
Verified
  • Other industries
  • Berlin, Germany
  • 1-10 Employees
  • Phone Interview
  • Verified

Monterail produced an MVP in JavaScript and Ruby on Rails that enables bloggers to publish ebooks efficiently in the cloud.

Outsourced Development Team for HR Software Platform

  • Custom Software Development
  • $200,000 to $999,999
  • Sep. 2015 - Ongoing
4.5
Quality
4.5
Schedule
4.0
Cost
5.0
Willing to Refer
5.0

"The team is very young, so they are very energetic and dynamic."

Jan 12, 2017
Co-founder, HR Software Firm
Anonymous
Verified
  • Other industries
  • Switzerland
  • 1-10 Employees
  • Phone Interview
  • Verified

A two-year-old HR platform has relied on Monterail's outsourced development team since the HR software startup's inception.

Ruby on Rails Development for Crowd Funding Platform

  • Web Development
  • Other frameworks and CMS Ruby on Rails
  • $10,000 to $49,999
  • Sep. 2013 - Mar. 2015
4.5
Quality
4.5
Schedule
5.0
Cost
4.5
Willing to Refer
5.0

"They were transparent about what was best for us even though it wasn’t in their best interest."

Jan 9, 2017
Managing Director, Innovestment
Christin Friedrich
Verified
  • Financial services
  • Berlin, Germany
  • 1-10 Employees
  • Phone Interview
  • Verified

Monterail enhanced an existing Ruby on Rails crowd-funding site that has a large presence in Germany.

Website Redesigns for Online Medical Resources

  • Web Development
  • $50,000 to $199,999
  • Jan. 2015 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"I really liked their approach of convincing us through data-driven metrics."

Jan 6, 2017
Fmr. Manager CEO Office, Merck
Anonymous
Verified
  • Information technology
  • Amsterdam, Netherlands
  • 1,001-5,000 Employees
  • Phone Interview
  • Verified

The engagement involved the redesign of performance-driven website resources and includes ongoing maintenance. 

Development Partnership for B2B Software as a Service

  • Custom Software Development
  • Angular Ruby on Rails
  • $1,000,000 to $9,999,999
  • Jan. 2012 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"We decided to expand the relationship with them because they’re able to execute."

Jan 4, 2017
Co-founder, Cooleaf
John Duisberg
Verified
  • Business services
  • Atlanta, Georgia
  • 1-10 Employees
  • Phone Interview
  • Verified

An MVP deliverable for a startup turned into a lucrative development partnership requiring several Ruby on Rails and Angular specialists.

Ruby on Rails Development for Supply Chain Software

  • UX/UI Design
  • UX Strategy
  • $50,000 to $199,999
  • Jan. 2011 - Ongoing
5.0
Quality
5.0
Schedule
4.0
Cost
4.0
Willing to Refer
5.0

"They were able to put together the most credible plan for what I wanted to build."

Jan 4, 2017
Co-founder, Supply Chain Firm
Anonymous
Verified
  • Advertising & marketing
  • Chicago, Illinois
  • 11-50 Employees
  • Phone Interview
  • Verified

What began a test project to diversify the client's vendor-list turned into a several hundred thousand dollar UI/UX partnership.

Web and App Development for Toy Company

  • Custom Software Development
  • Other app platform
  • $50,000 to $199,999
  • Feb. - Sep. 2016
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They had very good project management and everything was tightly controlled."

Nov 16, 2016
CEO, MysteryVibe
Soumyadip Rakshit
Verified
  • Other industries
  • London, England
  • 11-50 Employees
  • Phone Interview
  • Verified

Monterail (formerly Untitled Kingdom) built a website and an Android app to be utilized by clients to connect to the hardware they manufacture. They provided the programming for the Android app and the implementation for the website.

iOS App Development for Yoga Availability App

  • Mobile App Development
  • Mobile Commerce Health & Wellness Mobile App Development Consumer Mobile App Development iPhone iOS App Development
  • $50,000 to $199,999
  • July 2016 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
4.0
Willing to Refer
5.0

"I feel confident that they believe in my vision."

Nov 11, 2016
CEO, Yoga Availability App
Anonymous
Verified
  • Other industries
  • London, England
  • 1-10 Employees
  • Phone Interview
  • Verified

Monterail (formerly Untitled Kingdom) was hired to do end-to-end development for an iOS application that gives customers in the UK access to yoga teachers in order to schedule and pay for sessions. 

Mobile App Development for Hearing Aid Company

  • Application Management & Support Application Testing Mobile App Development
  • $50,000 to $199,999
  • Feb. 2025 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Monterail exceeded expectations in managing the integration of multiple platforms and hardware configurations."

Sep 23, 2026
VP, Audien Hearing
Todd Robinson
Verified
  • Medical
  • Scottsdale, Arizona
  • 51-200 Employees
  • Online Review
  • Verified

Monterail has redesigned an existing app for a hearing aid company. They've developed new features and enhanced the app's compatibility with different product models.

AI Development & Consulting for Spend Management Co

  • AI Consulting AI Development Custom Software Development
  • Linux server AI Deployment Machine Learning Natural Language Processing AI Strategy AI Text Generation Python
  • Confidential
  • Jan. - May 2024
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Everything they do is extraordinarily good."

Feb 27, 2025
CTO, Simfoni
Alan Buxton
  • Information technology
  • Morristown, New Jersey
  • 201-500 Employees
  • Online Review

Monterail developed an AI proof of concept for a spend management company. The team used AWS Bedrock to create an ML Ops environment and created a PowerPoint presentation.

Premier Verified means Clutch independently confirmed Monterail is a legally registered business,
financially sound (Creditsafe: Low Risk), and backed by 63 verified client reviews averaging 4.8 stars.

Learn More
Verified Client Reviews
63
Overall Review Rating
4.8
Source
Clutch
Last Updated
October 7, 2026

Business Entity

Business Entity Name MONTERAIL Sp. z o. o.
Source KRS-Pobierz
Jurisdiction of Formation Poland
Date of Formation May 27, 2010
Status Active
Last Updated June 16, 2021
ID 0000357415

Credit Report Results

International Credit Risk Assessment Low Risk
Source Creditsafe
Last Updated January 1, 2022
Learn More About The Clutch Verification Process

Locations (1)

Olawska 27-29 Wrocław, Poland 50-123

151 - 200

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