The record comes before the translation
Every certified translation into Swedish in Leeds starts from a piece of paper that already exists. You cannot translate a record you do not yet hold, so the first job is getting a clean, current copy of it. For a birth, marriage or death record that copy comes from Leeds Register Office at 2 Great George Street, Leeds LS2 8BA. Order it there and your own certificate never has to move.
Who is allowed to sign
Sweden's route is a sworn one. The Swedish text must be signed by an authorised translator — auktoriserad translator — and that title is granted by Kammarkollegiet to a named person. A sworn Swedish translator in Leeds therefore signs in their own name, under their own credential, so the oath is theirs and not a company's. Nobody else on the job can stand in for that signature.
What it costs, once you can count
The price runs at about £25 a page, so an official Swedish translation in Leeds costs what its page count says it costs. Here is the second reason to fetch the copy first: the number of sheets is only knowable once the copy sits in front of you. Guess it early and you budget for the wrong job. Learn it late and the figure arrives with no room left to react.
Two clocks, only one of them ours
The writing clock runs 2–4 business days, or 24–48 hours on the express run. The register office clock is a separate one, and it starts the moment you order the copy. A certified translation for Sweden lands late far more often because the first clock was started late than because the second one dragged. Set them going in the right order and the deadline mostly looks after itself.
Working backwards from the date
Take the day the Swedish side needs the file, subtract four business days for the writing, and put the copy order in well before that. Where the gap is tight, the express run buys you two or three days and no more. Anyone ordering a certified translation in Leeds for Sweden in the week it falls due is really betting on a register office, not on a translator.