The list of current NAG member organisations (excluding individual members) is shown below:
| Member Organisation |
| Live Borders |
| Liverpool Hope University |
| Liverpool John Moores University |
| Liverpool Libraries |
| Liverpool University |
| Livewire Warrington |
| LM Information Delivery |
| London Borough of Barnet |
| London Borough of Camden |
| LONDON BOROUGH OF WALTHAM FOREST |
| London Business School |
| London School of Economics and Political Science |
| London School of Hygiene and Tropical Medicine |
| London South Bank University |
| Loughborough University |
| Louth Library Service |
| Manchester County Council |
| Manchester Metropolitan University |
| Mary Immaculate College |
| Meath County Library |
| Medway Libraries |
| Middlesex University |
| MIlton Keynes Libraries |
| Monmouthshire Libraries |
| Multilingual Library Scotland |
| NAG575 |
| National Art Library |
| National College of Policing |
| National Library of Scotland |
| National Library of Wales |
| National University of Ireland Galway- Cancelled membership |
| National University of Ireland, Maynooth |
| Natural History Museum |
| Newcastle University |
| Newham Libraries |
| Newport Community Learning & Libraries |
| Nielsen Book |
| Norfolk Library and Information Service |
| North Lincolnshire |
| North Somerset |
| North Tyneside Council |
| North Yorkshire Libraries & Information |
| Northumberland County Council |
| Northumbria University |
| Nottingham Trent University |
| OCLC (UK) Limited |
| Offaly County Library |
| Oldham Libraries |
| Open University Library |