About us

DTG Testing is independent, not-for-profit and occupies a unique position at the heart of the UK digital television industry.

Conformance explained

DTG Testing underpins the Freeview and Freesat trademarks. 

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Our facilities

DTG Testing operates from an ISO 17025 accredited laboratory in central London.

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Our unique position

The UK digital television industry founded DTG Testing in 2000 to carry out interoperability testing on its behalf.

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Our clients and partners

DTG Testing works in partnership for key organisations from across the digital television industry.  

» Who we work with

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Our expert team

DTG expert has a team of technical experts and client support specialists.


» Meet the team

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Over-air download schedule

DTG Testing manages the UK Engineering Channel which is used for over-air downloads to receiver software and interactive application testing for the Freeview, Freeview HD and Freesat services.

Over-air downloads scheduled for this week and next are available on the Digital TV Group website

Clients and partners

  • Channel 4
  • Channel 4
  • Channel 4
  • Channel 4
  • Channel 4
  • Channel 4
  • Channel 4
  • Channel 4
  • Channel 4
  • Channel 4
  • Channel 4
  • Channel 4
  • Channel 4
  • Channel 4
  • Channel 4
  • Channel 4
  • Channel 4
  • Channel 4
  • Channel 4
  • Channel 4
  • Channel 4
  • Channel 4