| A C & R | A. C. & R. Ltd |
| Abbott | Richard Abbott |
| Ablett | T. W. Ablett |
| Adams | J. Adams Ltd |
| Addy | Addy & Cocker |
| Addy | Addy, Brownill & Taylor |
| Addy | George Addy & Son |
| Addy | George K. Addy |
| Addy | John Addy & Company |
| Adwick | John Adwick |
| AFC | AFC |
| Ainley | George Ainley |
| Akeroyd | S. Akeroyd Ltd |
| Akers | Akers & Dickinson Ltd |
| Alcock | Brian Alcock |
| Aldam | John Aldam |
| Alexander | Alexander |
| Alexander | Alexander & Co |
| Algor | John Algor |
| Allan | James Allan |
| Allanson | Fenton, Allanson & Machon |
| Allcard | Henry Allcard & Company |
| Allcroft | Robert and Joseph Allcroft |
| Allcut | Allcut Cutlery Company (Sheffield) Ltd |
| Allday | Allday Goods |
| Allen | Allen & Darwin |
| Allen | Allen & Son |
| Allen | Allen's |
| Allen | Charles James Allen |
| Allen | Edgar Allen & Company Ltd |
| Allen | George Allen & Son |
| Allen | James Allen & Company |
| Allen | Joe Allen |
| Allen | Joseph Allen & Sons Ltd |
| Allender | Stephen Allender (and sons) |
| Allison | Edward Allison |
| Aluminium | Aluminium Tableware Ltd |
| Amalgams | Amalgams Company Ltd |
| Ambler | Ambler, Price & Cole (Amprico) |
| Amery | Abraham Amery |
| Amory | Thomas Amory / John Amory |
| Amos | H. Amos |
| Amprico | Amprico |
| Anchor | Anchor Cutlery Company Ltd |
| Anderton | C. Anderton |
| Andrew | Samuel Andrew |
| Angus | Angus & Coote |
| Antt | Joseph Antt & Son |
| Appleby | Green, Pickslay and Appleby |
| Appleby | M. Appleby |
| Appleby | Pickslay, Appleby and Bertram |
| Archer | Henry Archer & Company |
| Ardron | Brown, Ardron & Company |
| Ardron | Samuel Ardron & Son |
| Argyle | C. A. Argyle & Company Ltd |
| Arlanza | Arlanza |
| Armitage | Armitage Brothers & Company |
| Arnold | Arnold & Son |
| Arrowsmith | Arrowsmith |
| Arter | Daniel & Arter |
| Arundel | Arundel & Eyre |
| Arundel | Robinson, Lamb & Arundel |
| Ascher | T. Ascher |
| Ash | J. Ash & Son |
| Ashberry | James Ashberry |
| Ashberry | Philip Ashberry & Sons Ltd |
| Ashby | A. R. Ashby Ltd |
| Asher | Kenneth Asher |
| Ashford | Ashford & Davis Ltd |
| Ashforth | Ashforth, Cutts & Anderton |
| Ashforth | Ashforth, Ellis & Company |
| Ashforth | William Thomas Ashforth |
| Askham | Askham & Mosforth |
| Askham | Frost, Askham & Mosforth |
| Askham | John Askham & Son |
| Asman | F. Asman & Company |
| Astral | Astral |
| Atherton | Peter Atherton |
| Atkin | Atkin Brothers (Silversmiths) Ltd |
| Atkin | Atkin, Oxley & Co |
| Atkin | Broadhead & Atkin (R. Broadhead & Company) |
| Atkin | Henry Atkin & Company |
| Atkin | Law, Atkin & Oxley |
| Atkinson | Atkinson Brothers Ltd |
| Atkinson | Frank Atkinson |
| Atkinson | Wood & Atkinson |
| Austin | Austin Cutlery |
| Axe | Axe & Wright Ltd |
| Axe | G. A. Axe & Company Ltd |
| Axelby | J. H. Axelby & Sons |
| Axelby | Joseph Axelby |
| Ayre | Edley & Ayre Ltd |
| Ayres | Stokes, Ayres & Co |
