House of Parliament
- House of Lords: Baroness Hollis of Heigham (Labour, Life Peer) died 13 October.
- House of Commons: Standards Committee – Kate Green elected unopposed as chair; Liaison Committee – Kate Green appointed as a member.
Government departments
- Home Office: Phil Gormley has been appointed to take up the dual roles of Her Majesty's Inspector of Constabulary and Inspector of Fire & Rescue Authorities in England.
- Department for Business, Energy and Industrial Strategy: Met Office - Penelope Endersby to become Chief Executive from December.
- Department for Work and Pensions: Single Finance Guidance Body - Tim Jones, Elaine Kempson and Moray McDonald appointed as Non-Executive Directors on the board.
- Ministry of Defence: Armed Forces Pay Review Body - Lesley Mercer reappointed as a member.
- Foreign and Commonwealth Office: Hugh Elliott has been appointed Her Majesty's Ambassador to Spain and Non-Resident Ambassador to Andorra.
- Department for International Trade :Simon Penney became Her Majesty’s Trade Commissioner for the Middle East, Afghanistan and Pakistan.
- Department for Digital, Culture, Media and Sport: National Citizen Service Trust Board - appointed Paul Cleal, Dame Sally Coates, Flick Drummond, Ian Livingstone, John Maltby, Tristram Mayhew, Lord Iain McNicol, Ndidi Okezie, Ashley Summerfield and Julia Cleverdon as Board Members.
Devolved authorities
- Welsh Government: Natural Resources Wales – David Henshaw named as interim chair from 1 November.
Local Authorities
- By-election Results 18 October: Mid and East Antrim Council – Peter Johnston elected for Carrick Castle – DUP gain from Independent. (Jim Brown died); Oxfordshire Council – Damian Haywood elected for Iffley Fields and St Mary’s – Labour hold. (Helen Evans resigned); Hackney Council – Penny Wrout elected for Victoria – Labour hold. (Alex Kuye resigned).
Trade Associations
- British Ports Association: Alec Don stood down as chair, with Martin Lawlor taking on the role on an interim basis.
- Country Land and Business Association: Sarah Hendry to take over from Helen Woolley as director general.
Interest Groups
- Mental Health Foundation: Mark Rowland appointed as the chief executive.
- National Examining Board for Dental Nurses: Kate Kerslake to become chief executive.
Corporates
- Acevo: Rosie Ferguson to replace Joe Irvin as chair on 6th December.
- Deafblind UK: Steve Conway appointed as chief executive.
- Reclaim: Roger Harding appointed as chief executive.
- London Marathon Events Limited: Kenneth Foreman named as the first head of charities.
- Big Lottery Fund: Cassie Robinson appointed as head of digital grant making.