The DIY chain has had no default retirement age for more than 15 years and almost a third of its workforce is over the age of 50.
The telecoms giant allows staff to work well past 65. It has almost 2,500 employees over 60 and around 38% of its total workforce is over 50.
The energy group which owns British Gas claims that only 40 employees retire from its business each year. It abolished its default retirement age long before the recent legislation change.
Marks & Spencer
The retailer abolished its mandatory retirement policy a decade ago and now employs 700 staff over 65.
The supermarket has been actively recruiting workers over 50 for some years, in an attempt to ensure its staff better reflect the age range of its customers.