I used to drum in to my staff that "The point of a risk assessment is to show that you've thought of all of the hazards, and have identified how to reduce the risks involved to an acceptable level or to eliminate risk altogether in order to ensure that as far as is reasonably practicable...
At some point, something will go horribly wrong and any savings made by doing things on the cheap will be eaten up in one foul swoop with a fine with the severity dependent on what happened. Then there's the adverse publicity. Who is responsible for the task you mention? You've been asked to...
It's only when something goes wrong that you realise you should have had a risk assessment. When you say "company", I assume you work for a reasonably sized outfit? I would say that you definitely should have a risk assessment. Have you a Safety Rep to ask?
You should have a trained risk...