Based at Childwall in South Liverpool. You get the engineer on the phone, and the same engineer at the door.
Heating is a trade anybody can put on a van. "Time served" is the word engineers use for having done the full apprenticeship rather than a few weeks of training, and it is the reason he leads with it.
British Gas trains on the boilers that are actually in British houses, in volume. An engineer who came through that has already seen whatever is on your wall.
Somebody in L16 searching for a heating engineer today gets the national lead-generation sites first, because there is nothing of his for the search to find.
Everything above came off his own Facebook page and a public directory listing. Nothing else is invented, so the rest is blank until he sends it.
Send those over and this page writes itself.