I got job offer and joining letter from the Icelan...

I got job offer and joining letter from the Iceland Supermarket Company, Address is near Queens Street, London UK.
I got the name of counsler Mr.Patrik Ronald (consuler/immigration service director) I want to know that is this client is fake or froud or its a very right and trustfull company and client and consuler.
Please let me know by via mail. Thank you.