Healthier Solutions, Aviva's individual private medical insurance has achieved a 5 Star Defaqto rating for its comprehensive level of cover.
The rating follows the introduction of a range of additional benefits and enhancements for Healthier Solutions earlier this year, including a unique cancer pledge.
Nicola Graham, head of commercial and proposition development at Aviva Health, said: "We continually look to improve our health insurance products to keep up with medical advances and provide customers with improved cover and greater flexibility, while endeavouring to make private medical insurance more affordable.
"With the Defaqto 5 Star Rating, customers and their intermediaries can now be confident that Healthier Solutions is one of the best products available."
Defaqto is an independent financial research company specialising in ratings, comparing and analysing financial products, including insurance. Star Ratings from one to five, where 5 Stars is the highest, are awarded following analysis and comparison of products based on the features and benefits they offer.