The status is granted in Slovenia, not earned here
Most translation routes ask a translator to be qualified. This one asks them to be appointed. A certified translation in Manchester for Slovenia is done by a sodni tolmač, a translator sworn in and listed by a court in Slovenia. No amount of UK experience creates that status, and no agency can hand it over. It is granted where the document is going, not where it is written.
Slovenian is the language the file must be in
Offices in Slovenia work in Slovenian, so a document used there has to be in Slovenian first. A certified translation into Slovenian in Manchester carries every printed element across, including stamp text, reference codes and the wording under a signature. Leaving out a footer because it looks like decoration is one of the quiet ways a bundle comes back unfinished.
What the appointed translator adds to the page
The certification on record is a court-appointed translation for Slovenian authorities. In practice that means a signed and stamped statement, bound to a copy of your source, declaring that the Slovenian says what the original says. The stamp belongs to the appointed person. A reader can therefore trace the claim to a name held on a court's own list rather than to a letterhead.
Thirty euros a page, and a slightly longer clock
Pricing runs at ~£25 / page and the standard wait is 2–4 business days, with express at 24–48 hours. Both figures sit a little above the quicker routes, and the appointment is the reason. Count your sheets before you order, because the page rate, not the language, is what sets the final figure on a Slovenian file.
Getting the source right in Manchester
Start from a copy you are willing to have bound into someone else's set, because that is what happens here. For a civil record, a fresh certified copy can be ordered from Manchester Register Office at Heron House, 47 Lloyd Street, Manchester M2 5LE. An official Slovenian translation in Manchester then attaches to that copy, and the record you keep at home is never touched.