63 Grupp OÜ

63 Grupp OÜ is an Estonian architecture & engineering company based in Tallinn, Estonia. The company’s Estonian registry code is 17145694. It was entered in the Estonian e-Business Register in 2025. Its registered address is Siidisaba tn 9-9, 11311 Tallinn. The company is located in Harju maakond. Its primary registered activity falls under NACE Rev. 2 class 71.12 (architecture & engineering). As a registered architecture & engineering provider, 63 Grupp OÜ is listed in EULista’s directory of EU companies, where its identifiers and registration details are cross-referenced with official open data sources for accuracy. Its registration can be independently verified through the Estonian e-Business Register using the registry code 17145694. This profile is compiled from the Estonian e-Business Register open data (CC BY 4.0, Centre of Registers and Information Systems) and the GLEIF Legal Entity Identifier register, and is updated as new official information becomes available. Businesses and buyers researching architecture & engineering suppliers in Estonia can use EULista to compare 63 Grupp OÜ with other companies in the same sector and region.