| PWC | "Big Four" accounting firm founded in 1854 formerly known by a longer name |
| ATTORNEYGENERAL | Senior lawyer swayed by a longer entreaty? (8-7) |
| AIRCRAFTMAN | Lowest rank in the RAF, formerly known by the slang term erk (11) |
| BRIMSTONE | Sulphur was formerly known by this name |
| IRRAWADDY | Principal river of Myanmar, formerly known by the British as the Road to Mandalay (9) |
| ERNST | ___ & Young ('Big Four' accounting firm) |
| EY | One of the big four accounting firms, abbr. (2) |
| KPMG | One of the Big Four accounting firms |
| MINTON | Fine pottery made by a firm founded in Stoke in 1793 |
| AVIATION | CAE = Canadian ___ Electronics (Global firm founded in 1947 headquartered in Saint-Laurent in Quebec near Montreal) |
| METOFFICE | Founded in 1854 by Robert FitzRoy who was captain of HMS Beagle when Darwin was aboard, the name of UK's national weather service since 2000 (3,6) |
| OMAHA | City in the mid-west of the USA (pop about 500,000), founded in 1854 (5) |
| FITZROY | Captain of HMS Beagle during Charles Darwin's voyage who wrote The Weather Book, invented a barometer and founded in 1854 what became the Met Office (7) |
| DELOITTE | The only "Big Four" accounting firm not known by initials (8) |
| WOLSELEY | British car firm founded in 1901 which was absorbed into others but survived as a marque until the mid-1970s |
| MONONYM | Person known by a single name, as found in Carbon offset, spin kick, ten yards and mine mine mine |
| OWENS | James Cleveland ____ is better known by a nickname derived from a mishearing of his initials |
| TIMEX | Watch company founded in 1854 |
| GOP | Political org. founded in 1854 |
| DEERE | ___ & Company (firm founded in 1837) |