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Transformation with Purpose Innovation with Impact

Sigli – AI & Software Development Partner for Global Enterprises

The software development and AI consulting market is crowded with global giants and niche players. Many firms focus on delivering standard outsourcing or generic AI pilots — often leaving companies with partial solutions that fail to scale.

  • Min project size
    $50,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    50 - 249
  • Locations
    Antwerpen, Belgium
  • Year founded
    Founded 2015
  • Languages
  • Timezones

2 Languages that we service

  • English
  • Dutch

2 Timezones that we service

CET
Central European Time (CET)
EET
Eastern European Time (EET)

3 Locations

  • Antwerpen , Belgium
  • Vilnius , Lithuania
  • London , England

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

    Sigli offers good value for cost, with clients noting budget alignment and effective project management. Specific project costs range from $10,000 to $200,000 annually, depending on the engagement size and scope.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

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

    Select a service to see pricing information

    Sigli Review Insights

    Overall Review Rating

    4.9
    • Quality 4.8
    • Schedule 4.8
    • Cost 4.7
    • Willing to Refer 4.6

    Top Mentions

    Review Highlights

    • Quick Adaptability to Client Needs

      Sigli has shown a remarkable ability to adapt quickly to client needs and requirements, providing tailored solutions that fit specific business contexts effectively.

    • Strong Project Management

      Multiple reviews commend Sigli for their excellent project management, including clear communication, timely updates, and effective risk management. This has resulted in successful on-time project deliveries and client satisfaction.

    • Challenges with Cultural and Language Barriers

      Some clients noted initial challenges with cultural and language barriers. However, these were typically overcome with clear communication and adjustments, though it indicates an area for improvement.

    • Proven Expertise in .NET and Azure

      Sigli has demonstrated significant expertise in .NET and Azure, as evidenced by successful project outcomes such as improved system performance and reduced infrastructure costs. Clients appreciated their technical skills and ability to modernize legacy systems effectively.

    • Effective Communication and Integration

      Sigli's ability to integrate seamlessly into client teams and maintain effective communication has been highlighted as a key strength. Clients appreciate their proactive approach and responsiveness.

    • Commitment to Client Goals

      Clients consistently note Sigli's dedication to understanding and achieving their business goals. Their approach to treating client objectives as their own has built confidence and trust among clients.

    Sigli Reviews

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    Custom Software Development for Consulting Company

    • Custom Software Development IoT Development
    • $50,000 to $199,999
    • Aug. 2024 - Aug. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "I was impressed by their professionalism and ownership."

    Sep 10, 2025
    Procurator, Software Consulting Company
    Anonymous
    Verified
    • Other industries
    • Marupe, Latvia
    • 51-200 Employees
    • Online Review
    • Verified

    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.

    Custom Software Development for Software Development Co

    • Business Consulting Custom Software Development Enterprise App Modernization
    • Confidential
    • Mar. 2024 - Apr. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Beyond their technical expertise, their strong domain knowledge was also absolutely impressive."

    May 8, 2025
    CEO, Devox
    Konstantyn Gytko
    Verified
    • Other industries
    • Miami, Florida
    • 51-200 Employees
    • Online Review
    • Verified

    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.

    Cyber Security Web Portal for Custom Software Developer

    • Custom Software Development
    • $50,000 to $199,999
    • Apr. 2018 - Dec. 2019
    4.5
    Quality
    4.5
    Schedule
    4.5
    Cost
    4.0
    Willing to Refer
    4.5

    "It was great working with Sigli (formerly Cortlex). I can't think of any improvements to make."

    Sep 24, 2020
    Project Lead, Ascendle Technology, LLC
    Thomas Schwendler
    Verified
    • Other industries
    • North Hampton, New Hampshire
    • 11-50 Employees
    • Online Review
    • Verified

    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.

    Staff Augmentation for Full-Cycle Software Dev Firm

    • IT Staff Augmentation
    • $50,000 to $199,999
    • Mar. 2019 - Feb. 2020
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.5
    Willing to Refer
    5.0

    "Their communication ownership sets them apart. We were never left in the dark."

    Jun 3, 2020
    CTO, Custom Software Development Company
    Anonymous
    Verified
    • Information technology
    • Perth, Australia
    • 51-200 Employees
    • Online Review
    • Verified

    Sigli (formerly Cortlex) augmented the staff of a full-cycle software development company. The team provided software development services, creating a system for a third-party healthcare client.

    Development for Mobility Firm

    • Custom Software Development
    • $50,000 to $199,999
    • Jan. 2018 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.0
    Willing to Refer
    5.0

    "If the developers we chose were not the right fit, they would replace them and eat the cost."

    Apr 20, 2020
    Chief Technology Officer, Ineo Global Mobility Knowledge
    David Blatherwick
    Verified
    • Other industries
    • Centennial, Colorado
    • 51-200 Employees
    • Online Review
    • Verified

    A mobility firm hired Sigli (formerly Cortlex) to build a new platform while expanding upon existing capabilities. Based on the Microsoft stack with a frontend built in Angular, the platform was primarily worked on in C.

    IT Staff Augmentation for Assistive Tech Company

    • IT Staff Augmentation
    • Confidential
    • Dec. 2018 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    4.0
    Cost
    4.0
    Willing to Refer
    5.0

    "They’re everything one would hope for when looking for reinforcements for a team."

    Apr 3, 2020
    Senior Developer, Sensotec NV
    William De Prêtre
    Verified
    • Other industries
    • Brugge, Belgium
    • 11-50 Employees
    • Phone Interview
    • Verified

    Sigli (formerly Cortlex) provides assistive speech technology software development support to an understaffed team, taking on various projects of all lengths and difficulty levels. The team also assists with design processes.

    Software Development for Cryptocurrency Startup

    • Custom Software Development
    • $200,000 to $999,999
    • June 2018 - Ongoing
    5.0
    Quality
    4.5
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They feel like they're dedicated members of our team."

    Jul 18, 2019
    CIO, The Divi Project
    Nick Saponaro
    Verified
    • Other industries
    • Costa Rica
    • 11-50 Employees
    • Phone Interview
    • Verified

    Working alongside a design team, Sigli (formerly Cortlex) developed a cryptocurrency software that simplifies the process of earning store cryptocurrencies. They used Electron and AngularJS for development.

    IoT System Dev for Remote Devices

    • Custom Software Development
    • $50,000 to $199,999
    • Oct. - Dec. 2017
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    4.5

    “I was impressed by the quality of the engineers, their ability to work independently, and the decisions they made.”

    Dec 4, 2017
    President & Chief Consulting Architect, Softrange Technology, Inc.
    Leo Kudryavtsev, Ph.D.
    Verified
    • Other industries
    • Boston, Massachusetts
    • 1-10 Employees
    • Online Review
    • Verified

    Based on a prototype, subcontracted developers built a custom Internet of things software that allows users to control remote devices and sensors. They also helped with project management and testing.

    Pet Store Software Distribution Platform

    • Custom Software Development
    • $10,000 to $49,999
    • Apr. - July 2017
    4.5
    Quality
    4.5
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    4.5

    "Sigli (formerly Cortlex) provided resources really quickly, put talent in front of me, and integrated with our team seamlessly."

    Aug 18, 2017
    Director of Engineering, PHIDO
    Nate Krantz
    Verified
    • Arts, entertainment & music
    • Albany, New York
    • 51-200 Employees
    • Phone Interview
    • Verified

    As part of a three month contract, Sigli (formerly Cortlex) were tasked with secure base API setup and to work on the backend of a SAS solution designed for a behind-the-counter special ordering application.

    Showing 1-10 of 15 Reviews

    Locations (3)

    Sint-Pietersvliet 7 AntwerpenBelgium 2000

    76 - 100

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