If you have an existing listing on Google My Business, you can import it directly into your Bing listing.
If you have a “claimed and verified” listing on Google My Business, Bing will recognize it and provide you with instant verification of ownership.
Select “Import from Google” or “Claim Your Business” as applicable.
Select a business type, and perform a search on Bing (phone number, or business name and zip code)
If your business is NOT found, click “Create new business”, then Log in or create a Microsoft Account and Log in and follow the prompts.
If your business IS found, Click “Claim your business manually” (they will ask you to do another business search)
Complete the form with your business location information
Enter a Business segment (Hint: use “I’m not sure”)
Now, choose up to 10 Business Categories to be associated with
Enter a short business description
Decide whether you want your full business address to be visible in search results, or just by City and Zip Code
Enter your business contact details (email and social page web addresses)
Add/upload up to 100 photos of your business
Add Your Business Hours & Click Submit
You will now be asked to verify ownership of your business.
The verification can be made via business phone, text, mail, or possibly e-mail.
More information here: Bing Local Places