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Read 15 Sigma reviews and testimonials from customers, explore 20 case studies and customer success stories, and watch customer videos to see why companies chose Sigma as their Digital Marketing Agencies

Sigma believe in a better tomorrow. They act now and lead the digital revolution forward. They continuously see results in challenging the status quo and together with their clients, they create technologies for the future. It is about cutting edge knowledge combined with the ability to dream. To work together with people who create wow! That´s how they make a difference.

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4.8/5.0 (1735)

15Testimonials

  • "It was a privilege to be asked to independently test the Green Engage system's usability. With a System Usability Score of 96.6, that is the highest score we have seen to date."

    Carol BarnumDirector of the Usability Center
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20 Case Studies

  • Driving efficiency for med-tech providers through the HealthTech Connect platform

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Additional Sigma Information & Resources

Read Sigma Reviews, Testimonials & Customer References from 15 real Sigma customers.

Browse Sigma Case Studies, Customer Success Stories, & Customer References from 20 businesses that use Sigma.

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