Working in corner security in a building society u hun u UK

*what is your opinion on a person working in a building society in an IT department. That building society is engaged in savings insurance and mortgages

And also how permissible it is to use the money earned from such job to invest in a halal business ?

Wasalam

May Allah bless you.

Sorry, but I am not sure I understood the question. You are working as a security guard is that correct?