Level 5 Training and Education Diploma - providers?

I have been working in apprenticeships and 16+ education for about 8 years and hold various relevant quals including Level 3 assessing vocational achievement, level 3 Training and Education and Level 4 IQA.

I'd now like to do the Level 5 Training and Education Diploma but am struggling to find a provider that seems reputable.

If you've recently done or are currently doing the level 5 Training and Education Diploma please can you let me know the company you did it with, the cost and your experience of doing it with that company please.