The company itself is naturally formal, but note:
If you are applying, pay attention to the recruitment department. If you are in marketing, you are basically a salesman. If it is recruited by the human resources department, it should be a regular employee of the company.
If you buy insurance, you must correctly understand the benefits of insurance coverage, don't take what a single agent says for granted, and do some verification through some neutral channels, such as online third-party insurance intermediate stations.
Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.