It is impossible to determine which company in Hunan is the "best" for trademark registration and inquiry. However, I can provide two companies that specialize in trademark registration and inquiry in Hunan for your reference:

1. Changsha Meichuang Intellectual Property Agency Co., Ltd.: This is a company approved by the State Administration for Industry and Commerce A professional intellectual property agency registered with the Trademark Office and approved by the Changsha Administration for Industry and Commerce. The company provides efficient, professional and fast all-round intellectual property agency services, and its service tenet is "brand originality, perfect value-added". Meichuang's team is composed of a group of senior teams with high efficiency, professional service, fast speed and integrity. They can provide one-on-one services to our customers at any time and put forward brand protection strategies, suggestions and solutions.

2. Hexie Intellectual Property: This is a professional intellectual property agency engaged in trademark registration, patent application, copyright application and other businesses in Hunan. The company has provided professional services for 16 years, ranked first in Hunan Province in terms of transaction volume for five consecutive years, and was rated as one of the top ten intellectual property agencies in the country.

The above two companies are professional organizations engaged in trademark registration and inquiry in Hunan, with many years of experience and excellent teams. You can choose the company that suits you based on your needs and actual situation. Please note that before choosing any company, it is recommended that you conduct detailed investigation and comparison to ensure that you receive the most satisfactory service.