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Sigli

Sigli

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5.0 (10 reviews)
Antwerpen, Belgium
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Modernizing Legacy Systems with Excellence

Sigli focuses on legacy modernization, .NET development, Azure migrations, and custom software. 95%+ praise professionalism, domain expertise, exceptional project management, meeting deadlines, and performance improvements.

Min Project Size

$50,000

Hourly Rate

$50-99

Employees

50-249

Year Founded

2015

Languages

1

Years In Business

11+

Service Focus

Expertise distribution across services.

Pricing snapshot

Most Common Project Size $0 – $50,000 Based on 5 reviews
Average Hourly Rate $50-99 per hour
Rating for Cost 4/5

Reviews

Submit Review
The Project
Business Consulting Confidential Mar. 2024 - Apr. 2025
5
Quality 5 Schedule 5 Cost 5 Willing to Refer 5
The Review

Custom Software Development for Software Development Co

“Thanks to Sigli's efforts, the client's system performance and stability greatly improved. The team demonstrated excellent project management, maintained clear and consistent communication, and provided regular progress updates. Their professionalism and ”

4 weeks ago
Feedback Summary

Sigli provided software development for a software development company. The team re-architected an existing .NET solution, migrated the system to the Azure cloud, and integrated it with the client's ecosystem.

The Reviewer
K
Konstantyn Gytko Business Services
Antwerpen, Belgium 50-249 Verified
The Project
Web Development Confidential Oct. 2025 - Ongoing
5
Quality 5 Schedule 5 Cost 5 Willing to Refer 5
The Review

Custom Web Development for Sports Company

“Sigli has successfully delivered a working platform, helping the client reach multiple development milestones and create a scalable foundation for future growth. The team has managed the project professionally, communicating clearly and responding quickly”

4 weeks ago
Feedback Summary

Sigli has designed and developed a web platform for a sports company. The team has created the architecture, built the database, and implemented functionalities for performance data management and testing.

The Reviewer
S
Sammy Van De Velde Development
Antwerpen, Belgium 50-249 Verified
The Project
Software Development $50,000 to $199,999 Aug. 2024 - Aug. 2025
5
Quality 5 Schedule 5 Cost 5 Willing to Refer 5
The Review

Custom Software Development for Consulting Company

“Sigli's work improved the client's platform uptime by 99.95%, decreased API latency by 38%, and increased release frequency from quarterly to biweekly. The team provided excellent project management, treated the client's goals as their own, and quickly gr”

4 weeks ago
Feedback Summary

A consulting company hired Sigli to re-architect a legacy logistics platform, rewrite core components in .NET, and migrate the solution to Azure. The team also integrated the platform with an ERP system.

The Reviewer
A
Anonymous Development
Antwerpen, Belgium 50-249 Verified
The Project
AI Development $50,000 to $199,999 Jan. - Aug. 2024
5
Quality 5 Schedule 5 Cost 5 Willing to Refer 5
The Review

AI Development for Crypto Marketing Agency

“The client saw a 30% reduction in response time, a 20% increase in customer satisfaction, and a 15% increase in support team efficiency. Sigli delivered on time proactively addressed concerns and accommodated changes. Moreover, the team’s commitment to un”

4 weeks ago
Feedback Summary

Sigli developed an AI-driven customer support chatbot for a crypto marketing agency. The team built the chatbot, an internal dashboard, a custom backend system, and integrated CRM solutions.

The Reviewer
V
Vitalii Drach Development
Antwerpen, Belgium 50-249 Verified
The Project
Software Development $50,000 to $199,999 Apr. 2018 - Dec. 2019
5
Quality 5 Schedule 5 Cost 4 Willing to Refer 5
The Review

Cyber Security Web Portal for Custom Software Developer

“The project was a success. The client wasn't accustomed to a project going smoothly, much less finishing on time, and ended up hiring the company several times after that to add more functions to the portal.”

4 weeks ago
Feedback Summary

A custom software development firm hired Sigli (formerly Cortlex) to provide us with a .NET back-end developer to be part of the development team to build a web portal for a client.

The Reviewer
T
Thomas Schwendler Development
Antwerpen, Belgium 50-249 Verified

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