What software leaves out
A translation app returns text and nothing else. There is no author, no date and no statement about the sheet it came from. If a reader questions a line, there is nobody at the other end of it. A certified translation in Southampton for Singapore exists to supply exactly the things the app cannot: a name, a date, and a written claim.
What the signature adds
A certified translator reads the source, writes the English, and attaches a certificate of accuracy. That certificate names the signer, carries a date, and states that the English holds the content of the sheet it was made from. It creates a line of responsibility running from the words on the page back to a real person who chose them.
Where machines quietly slip
Official papers are mostly not prose. They are headings, printed form text, office names, reference lines and short entries in boxes. Software treats those as ordinary sentences and smooths them, which is where meaning drifts. A certified translation into English in Southampton is produced by someone who reads the layout as well as the words, and knows which parts are names to be carried over untouched.
What the page rate is really for
At about £25 / page you are buying reading time and a signature, not keystrokes. Standard work comes back in 2–3 business days and the express route in 24 hours. Both clocks run on the language work alone, so a certified copy still to be ordered from the register office sits outside them entirely.
Using the software anyway
Free tools are useful before you order. Run a sheet through one to see roughly what it holds, and you can tell whether it belongs in your set at all. Then order an official English translation in Southampton for the sheets that survive that sort. Reading for yourself is free; the signed version is the one that leaves your hands.