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Maintaining On-Premise .NET Systems is Leaking 80% of IT Budgets 

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  • Eliminate Downtime with Full Data Security and Multiple Back-ups.
  • Eliminate Expensive Hiring for Essential Skills

Forrester estimates that 80% of IT spending is on maintenance, with only 20% on new projects & initiatives



Maintaining old systems costs 4 x times more than their initial purchase price. 

1.39 million

The average cost of lost business due to system failures and breaches in 2021 ("Cost of a Data Breach 2021", IBM)

€252 million

Average cost of legacy systems maintenance for large organisations ("Banks face Spiraling costs from archaic IT", Financial News)

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From a planning application system for planning authorities to a customised waste management systems used by waste councils across the UK – our .NET Migration & Support projects provide security, expertise and peace of mind to our customers.

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Your success is our success: we partner with you on a deep level, and build solutions that support your business future.

Why .NET Migration and Support with OpenSky

  • Microsoft Gold Certified Partner
  • ISO 27001, ISO 20000 & ISO 9001 Certifications
  • Extensive GDPR and Data Regulation Expertise
  • 17 years of experience and successful delivery in development, migration, security, and support in large-scale projects at highest levels of government, large enterprises, and the public sector.
  • Dedicated .NET Technology Teams that research, pioneer, and master best practice for the latest Azure and .NET services.
  • Continuous research and innovation. At OpenSky, we invest over 10% of revenue in R&D to ensure we are always ahead of the technology curve.
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Explore the real business benefits that our bespoke .NET migration solutions and enterprise support services will bring to your organisation, including streamlined operations, reduced business costs, and security against breaches and data losses.

OpenSky's other .net services

Not what you're looking for?

Take a look at our .NET Modernisation and .NET Support services. 


Best-practice .NET Modernisation and Azure Solutions with best-in-class Enterprise Support. Upgrade your systems with the speed & security they need. 

  • 100% System Security, Accuracy, and Reliability.
  • Upgrade Your Organisation's System Integrity & Reliability.
  • Guarantee Data Integrity and Operations With Multiple Offsite Storage and Hosting Options.
  • Enjoy Peace of Mind with System Backups, Multiple Backups, and Disaster Recovery Options.
  • Reduced Cost of Ownership Through Improved Performance & System Uptime. 


Rigorous Service Level Agreements. Best-in-class enterprise support. Extensive documentation & fast ticket resolution. Give your organisation scalable, fast support that keeps things running.

  • Secure Your Operations Against Downtime & Breaches.
  • Strict Service Level Agreements for fast issue resolution.
  • Maintain Operations, Improve Site & Resource Reliability, and Avoid System Downtime.
  • Dedicated .NET Team, GDPR Experts, & Accredited Helpdesk technicians.
  • Eliminate Expensive Hiring for Essential Skills, Support, and QA.

Thought leadership from OpenSky

Discover the latest articles, blogs, news, and events from OpenSky's team of experts