Yes there would be. They would only get 80% of the $250K cash in their life policy, so there would be $50K left to cover annuities.
To be honest though, the chances of multiple companies going belly up at the same time is pretty slim. Because of this, you may have time to rethink your strategy if one did default.
Dan
Yeah, agree on multiple companies with the same client, but this brings to my attention the danger of multiple products from ONE company. Perhaps it is not good to sell an annuity from the same company one has contracted a Life policy!