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Transformation with Purpose Innovation with Impact

Sigli excels in developing innovative software with a sharp focus on data science. Our expertise spans .NET, JS, PHP, and Java, enabling us to deliver full-stack development solutions. With our global outreach, including Belgium, Italy, Switzerland, the USA, the Netherlands, and Sweden, we are adept at addressing diverse, international companies and their needs.

  • $50,000+
  • $50 - $99 / hr
  • 50 - 249
  • Vilnius, Lithuania
  • Founded 2015

2 Locations

  • Vilnius , Lithuania
  • Antwerpen , Belgium
Total Reviews
13
Average Referral Rating
4.6 /5
Most Common Project Size

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    Sigli Review Insights

    Overall Review Rating

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

    Top Mentions

    Review Highlights

    • Transparency and Open Communication

      Clients valued Sigli's transparency and open communication, ensuring that they were always kept in the loop and that any issues were promptly addressed.

    • Seamless Team Integration

      Sigli's developers integrated seamlessly with client teams, participating in daily meetings, planning sessions, and other project activities, which facilitated smooth collaboration.

    • Responsiveness to Feedback

      Sigli was noted for their responsiveness to feedback, making necessary adjustments quickly and ensuring that client requirements were met satisfactorily.

    • High Technical Expertise

      Sigli's developers were noted for their strong technical skills in various technologies such as .NET, Angular, and C#. Clients found them knowledgeable and capable of handling complex projects.

    • Flexibility and Adaptability

      Clients appreciated Sigli's flexibility and adaptability, particularly in adjusting to shifting deadlines and integrating with various project management tools and workflows.

    • Challenges with Initial Communication

      Some clients experienced initial communication challenges and cultural differences, but these issues were generally resolved through flexibility and patience.

    Sigli Reviews

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    AI Development for Crypto Marketing Agency

    • AI Development
    • $50,000 to $199,999
    • Jan. - Aug. 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They took the time to understand the nuances of our operations."

    Sep 27, 2024
    CEO, RD2
    Vitalii Drach
    • Advertising & marketing
    • Kyiv, Ukraine
    • 11-50 Employees
    • Online Review 
    • Verified

    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.

    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
    • Software
    • 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
    • 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
    • IT Services
    • 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
    • Software
    • 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
    • IT Services
    • 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.
    • Software
    • 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
    • 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.

    Web Dev for Software Consulting Organization

    • Web Development
    • $50,000 to $199,999
    • Oct. 2016 - May 2017
    4.0
    Quality
    3.5
    Schedule
    4.0
    Cost
    4.0
    Willing to Refer
    1.0

    "They may be fine as a direct provider, but I wouldn’t recommend using them as a sub."

    May 26, 2017
    Practice Director, Software Consulting Organization
    Anonymous
    • IT Services
    • Denver, Colorado
    • 11-50 Employees
    • Phone Interview 
    • Verified

    Sigli (formerly Cortlex) augmented staff with mid-level assistance on multiple software initiatives to boost productivity. Failure to disclose a relationship with the client’s customer resulted in the engagement’s cessation.

    Web Development & Integration for Software Company

    • Web Development
    • $50,000 to $199,999
    • Apr. 2016 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They will do anything to make sure we’re satisfied with the work that’s being delivered."

    Jan 18, 2017
    CEO, Software Company
    Anonymous
    • Software
    • Denver, Colorado
    • 1-10 Employees
    • Phone Interview 
    • Verified

    Sigli (formerly Cortlex) was hired to provide web development services.

    Locations (2)

    76 - 100

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