You can contact an interpreter individually. But in that case you have to check everything yourself to make sure he or she is competent. In principle it is the same with the choice of company

If you want a truly high-quality translation of such a document, it is worth considering contacting a company. Not every private translator will be able to provide a guarantee for a technical translation. Author, try this link for full details of the translation of SP 485.1311500.2020 in English https://gostperevod.com/sp-485-1311500-2020.html

I have received the following document SP 485.1311500.2020.I cannot yet decide who provides this type of translation service? Can I consider any translator or do I have to go through a company?