To verify a technical company in Yanashi, follow these steps:

1. **Check the Registration:** The first step is to ensure that the company has registered with relevant local authorities. This can typically be done by searching online for the registration number or visiting their local business registry.

2. **Verify the Business License**: A technical company operating legally should possess a valid business license issued by the local government. Check if the company’s website, or by contacting them directly, provides this information.

3. **Inspect Online Reviews**: Check popular platforms like Google reviews or social media for customer feedback about the company. Positive comments and ratings can be indicators of a reputable technical company.

4. **Contact Industry Associations**: Reach out to relevant industry associations in Yanashi. They often have member directories or can provide insights into companies’ credibility.

By following these steps, you should be able to effectively verify a technical company in Yanashi.