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4.6 out of 5, based on 7 real reviews.
Rankings updated: May 18, 2026

Certain agencies may be featured through sponsored placements. Rankings and SF Scores remain unbiased and are based solely on our evaluation methodology.

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31

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

31

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

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Services Provided
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Expertise Distribution (%)
  • 25% AI Development

  • 50% IT Services

  • 25% Cloud Computing Services

Go beyond agility.Embrace innovation with us.

Sirma Group is among the biggest Bulgarian IT groups, founded in 1992. The company is proud of its 33+ years of successful development, numerous business accomplishments, and multiple professional awards. Sirma helps companies globally achieve sustainable growth, implementing innovative and unique software solutions that transform their business into the Intelligent Enterprise. Sirma employs over 800 experienced software professionals who have created and implemented hundreds of successful projects worldwide. The company owns industry-specific know-how and in-depth technological expertise, which lays the foundation for long-term relationships with its clients and business partners. Our software innovations include world-class data platforms and solutions, cognitive software business solutions, facial recognition software, industrial applications, mobile platforms and applications, ERP software, solutions and services for the financial industry, payment services, e-government platforms and services, cloud services, and solutions, cyber security applications, etc.

View Sirma Group Profile
Inside Service Listing

N/A

Hourly Rate
Inside Service Listing

$10,000+

Min. Budget Size
Inside Service Listing

501 - 1,001

Team size
Inside Service Listing

Sofia, Bulgaria

Location
Verified Client Review

Verified Client Review

Staff Augmentation for Software Development Company

Reviewed by: Friedemann Vorwerk, VP of Software Development at Protel Hotelsoftware GmbH View all 7 ReviewsView all Reviews

17

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

17

SF Score

SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology

View Profile Visit Website
Services Provided
info
Expertise Distribution (%)
  • 10% AI Development

  • 20% Web Development

  • 10% Mobile App Development

  • 10% Software Development

  • 10% Web Design

  • 10% Blockchain Development

  • 10% Cloud Computing Services

  • 10% IT Services

  • 10% Internet of Things

Inverted Software is an enterprise software development and publishing boutique firm.

Inverted Software is a publishing and enterprise software development boutique. We work directly with our clients to deliver software solutions across a variety of industries while optimizing, controlling, and safeguarding enterprise-critical IT services. By putting together carefully chosen, exceptional teams of developers, architects, solution directors, dev operations, security experts, and cloud integrators, we ease the burden of software development and expedite the delivery of your product. Let us provide a solution that simply works so you may stop lagging behind! We have extensive experience with cloud migration, blockchain, data security, artificial intelligence, e-commerce, GIS systems, big data, PCI, social media, SEO, financial systems, media, and more. We specialize in mobile, web, IoT, and desktop applications. The software development community uses our open source, in-house libraries, and our published solutions include Tarantula MySql UI, Bulk Image Resizer, and ShoppingCart.NET.

View Inverted Software Profile
Inside Service Listing

$50-$99/hr

Hourly Rate
Inside Service Listing

$100,000+

Min. Budget Size
Inside Service Listing

50 - 249

Team size
Inside Service Listing

Las Vegas, USA

Location

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