Since 2013, Four Dots has grown from a Belgrade startup into a 30-strong team...

https://tango-wiki.win/index.php/SEO_Technical_Debt:_Why_Your_Website_is_Bleeding_Revenue_(And_How_to_Fix_It)

Since 2013, Four Dots has grown from a Belgrade startup into a 30-strong team of SEO experts. With over 200 clients globally, we combine a strict white-hat approach with a full suite of services—including SEO, PPC, content, ORM, and web design