Does it matter if top-up / super top-up health insurance is bought from a different company?
What are implications of buying top-up / super top-up health insurance from a different company than the one providing the base health insurance policy?
This tweet suggests that it is beneficial to have the same company for both:
However, when looking for policies, the options reduce greatly if looking for super top-up insurance from the same company (because it seems not everyone provides them). Which is the reason for the question - are there practical issues in having a different company?