Real Estate Website SEO

Hello,
I need to improve the position in Google of the real estate company IVASI https://ivasipanama.com
Country: Panama
Target: Companies and people interested in investing in the country.
Type of Properties: Land, Warehouses, Luxury Apartments and Commercial Offices.
I need an expert.
What results can I get? In how much time? Fee

Regards,
Ovidio