There is no European standard for employer bills of quantities. There is, however, a strong set of vocabulary patterns that repeat across languages — English, German, Turkish, Hungarian, Polish. If you know those patterns, you can auto-detect the header row and column mapping in any Excel that follows the norm.
That is exactly what ScopeSense's BOQ importer does. It scans the first ~40 rows for the row that carries the most known header hints — Description, Mennyiség, Adet, Menge, Anyag e.ár, Material u.p., and so on. It picks that as the header row and maps each column to a canonical field.
Currency is detected from a nearby cell. Discount and unit-of-measure are inferred from the cell content. Section headings — the ones that don't have a quantity but do have a description — are skipped. Everything below the header that carries both a description and a quantity or unit becomes a BOQ line.
The upshot: you do not rename a single header. You upload the file the employer sent, unchanged. Five minutes later, every line sits in the same shape it came in.