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Overall Review Rating

4.2 (5 Ratings)

Quality 4.3/5
Schedule 4.3/5
Cost 4.3/5
Communication 3.9/5

Overview

X1 Group a trustworthy web development company. They develop long-term dedicated development teams which become an integral part of your company. Their customers benefit from their long experience with today's web technologies and their knowledge about the international online market. They develop web applications, web platforms, and websites.

founded
Founded 2010
employees
Employees 50 - 249
hourly rates
Hourly Rates N/A
our ratings
Ratings 4.2/5
contact
Contact +493056838111

Services

  • DevOps & Cloud
  • Cryptocurrency Wallet Development
  • iOS App Development
  • .NET Development
  • Cloud Computing
  • Android App Development
  • Web Development
  • Crypto Exchange Development
  • Cross Platform Development
  • Azure Services
  • CRM Development
  • Mobile App Development

Industries Served

Construction Energy & Utilities Healthcare Logistics & Supply Chain Mining & Metals

X1 Group Reviews

Have a look at these client reviews on previously delivered projects.

Takashi Morimoto

Director of IT Strategy - Sakura Digital KK
Posted on Jul 05, 2026
4.0 Overall Rating

App store debut with a 4.7 rating. The reviews write themselves when the product is good.

We have worked with a few agencies over the years and the comparison is honestly not close. What stood out from the start was that they spent serious time understanding the problem before they proposed anything. Once development started, every sprint review was clean — no hidden surprises, no slipped milestones. The production system has been running for four months without a single critical issue. Our internal developers reviewed the codebase at handover and were genuinely complimentary about the quality. That does not happen often.

Project summary

Telehealth demand had turned a pilot into a core service line faster than our technology could keep up. We needed a compliant, reliable platform and we needed it quickly.

Quality 4.5/5
Schedule 4.0/5
Cost 4.0/5
Communication 3.5/5
project type
Project Type Mobile App Development
industry
Industry Healthcare
project cost
Project Cost $10,000 to $49,999
Read Full Review

Charlotte Nevill

Head of Product - Croydon Digital Agency Ltd
Posted on Jan 04, 2026
4.0 Overall Rating

Multi-region setup and automated failover that we tested twice and it worked both times

We went with a smaller team than we had originally planned for. I had concerns about whether the capacity would be sufficient given our timeline. Those concerns were unfounded. The team was focused, communication was constant, and the quality at each milestone review was consistent throughout. Smaller does not mean slower when the people are the right ones and this engagement proved that.

Project summary

Our product thinking was strong. Our execution capacity in this specific domain was limited. We needed deep expertise, not a generalist willing to learn on our time.

Quality 3.5/5
Schedule 4.0/5
Cost 4.0/5
Communication 4.0/5
project type
Project Type Cloud Services
industry
Industry Construction
project cost
Project Cost $50,000 to $149,999
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Jake Moreno

Co-Founder & CEO - Pinnacle Commerce Group
Posted on Feb 01, 2025
4.5 Overall Rating

First vendor to explain the model clearly enough that our non-technical leadership got it

What set this team apart in practice was their engineering judgment — specifically, their willingness to tell us when our requirements were wrong and explain what to do instead. Not every vendor does that. The consultative element elevated the final output well beyond what our original brief described. We ended up with something better than what we had asked for, which is not a sentence I expected to be writing in a review.

Project summary

Our product thinking was strong. Our execution capacity in this specific domain was limited. We needed deep expertise, not a generalist willing to learn on our time.

Quality 4.5/5
Schedule 4.5/5
Cost 5.0/5
Communication 4.0/5
project type
Project Type AI & Machine Learning
industry
Industry Mining & Metals
project cost
Project Cost $500,000+
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Lars Pfeiffer

VP of Technology - NordTech Logistik GmbH
Posted on Mar 11, 2024
4.5 Overall Rating

SEO foundation they built is still generating organic traffic eighteen months later

What I appreciated most was that they were honest when things were not going to plan. There was one point mid-project where a dependency was going to affect our timeline and they told us three weeks before it would have become critical. That gave us time to adjust. Vendors who manage upward proactively are rare. This one did it consistently throughout the engagement.

Project summary

A major enterprise client contract required API-level integration with their supply chain platform. We had thirty days to demonstrate capability and our existing system could not provide it.

Quality 5.0/5
Schedule 5.0/5
Cost 4.0/5
Communication 4.5/5
project type
Project Type Digital Marketing
industry
Industry Logistics & Supply Chain
project cost
Project Cost $10,000 to $49,999
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Hamza Qureshi

Senior Engineering Manager - Karachi Tech Solutions
Posted on Oct 26, 2022
4.0 Overall Rating

Primary keywords moved from page two to position three in five months

The knowledge transfer at the end of the project was notably good. Too many vendors see handover as a tick-box exercise. This team ran structured sessions, produced documentation our internal team actually references, and spent real time making sure we understood the architecture decisions well enough to maintain and extend the system independently. Six months later we are doing exactly that without needing to go back to them for every question.

Project summary

Grid modernisation funding required us to demonstrate demand-response capability. The ML models existed on paper — we needed an engineering partner to build and deploy them.

Quality 4.0/5
Schedule 4.0/5
Cost 4.5/5
Communication 3.5/5
project type
Project Type Digital Marketing
industry
Industry Energy & Utilities
project cost
Project Cost $150,000 to $499,999
Read Full Review
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