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Mainstream

Belgrade, Serbia (UTC+2)
Belgrade, Serbia (UTC+2)

Overview

Mainstream delivers 20+ years of cloud expertise from its Belgrade offices and a network of enterprise-class data centers across Southeast Europe, providing managed hosting, managed cloud, and cloud migration services. The company specializes in public and private cloud platforms including AWS and Microsoft Azure, along with Kubernetes and DevOps practices. It supports banking, retail, and media clients through SLA-backed, 24/7 managed services, tailored infrastructure design, and cost-optimized multi-cloud solutions, ensuring high availability, performance, and security.

Quick Facts

Year Founded
Year Founded
2005
Company Size
Company Size
51 - 200
Avg. Hourly Rate
Avg. Hourly Rate
$25/hr - $49/hr
Min. Project Size
Min. Project Size
$1,000

Specialties

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  • DevOps Implementation Services
  • Kubernetes & Containerization Services
  • Public Cloud Services
  • Managed Hosting
  • Web Hosting
  • Consulting
  • Private Cloud
  • Enterprise Cloud
  • AWS
  • Azure
  • Disaster Recovery
  • Cloud Migration
  • Cloud Management
  • DevOps Implementation Services
  • Kubernetes & Containerization Services
  • Public Cloud Services
  • Managed Hosting
  • Web Hosting
  • Consulting
  • Private Cloud
  • Enterprise Cloud
  • AWS
  • Azure
  • Disaster Recovery
  • Cloud Migration
  • Cloud Management

Team Experience

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  • < 1 Year
    14%
  • 1-2 Years
    34%
  • 3-5 Years
    36%
  • 6-10 Years
    12%
  • 10+ Years
    4%
< 1 Year
14%
Median Employee Tenure: 
2.9 years
Employee Growth in last 1 year: 
-1%
head-count-down

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Get clear guidance before you outsource a single line of code.

Offerings

Services
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  • Cloud Consulting and ServicesFeatured service icon
  • DevOpsFeatured service icon
  • Managed IT ServicesFeatured service icon
  • Big Data Analytics and Business Intelligence
  • IT Consulting

Industries Served

  • Aviation
  • Business Consulting & Services
  • E-commerce & Retail
  • Financial Services
  • Gaming
  • Media

Expertise

Tech Stacks
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  • SQLFeatured technology icon
  • PythonFeatured technology icon
  • PHPFeatured technology icon
  • Amazon Web Services (AWS)
  • Azure
  • Java
  • Laravel
  • MongoDB
  • Node.js
  • Oracle

Tools

  • Linux
  • Docker
  • Kubernetes
  • Git
  • Grafana
  • Jenkins
  • Jira
  • Microsoft SQL Server
  • Prometheus

Skills & Expertise

  • bullet-point icon
    Object-Oriented Programming (OOP)
  • bullet-point icon
    Project Management
  • bullet-point icon
    Software Development

Highlights

Notable Clients

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  • AIK Banka logoAIK Banka
  • Air Serbia logoAir Serbia
  • Balkan Bet logoBalkan Bet
  • Beorol logoBeorol
  • COFA Games logoCOFA Games
  • CONFIDA logoCONFIDA

Awards and Certifications

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Microsoft logo

Microsoft Certified Solutions Associate (MCSA)

Certified By: Microsoft
Veeam logo

Platinum Cloud & Service Provider for Veeam

Certified By: Veeam
RedHat logo

Red Hat Certified System Administrator

Certified By: RedHat

Location(s)

Primary Development Center & Headquarter
Other
Map of Enosis Outsourcing partner countries across Asia, Europe, and South America

Primary Development Center & Headquarter

info icon

Belgrade, Serbia

50+ employees

Important Facts About Serbia (PDC):

literacy rate iconLiteracy Rate
:
99%
english proficiency iconEnglish Proficiency
:
High
gdp per capita iconGDP Per Capita
:
$13,490
income category iconIncome Category
:
Upper Medium

Other Locations

Bulgaria
1 Office
Croatia
1 Office
Greece
1 Office
Slovenia
1 Office
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Company Profile Disclaimer

The company profile information provided in this website is entirely based on research and data obtained from publicly available sources on the internet as of April 2026. While every effort has been made to ensure the accuracy and reliability of the information, we cannot guarantee its comprehensiveness. All the company information is for informational purposes only. We strongly advise conducting further due diligence before making any business decisions.

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