| CAMPBELL, Duncan James, Dr ACTIVE | Secretary | 19 Oct 2012 | | | | Highfields, Manorstead, Skelmanthorpe, Huddersfield, HD8 9DW, England |
| ARTHUR, Duncan Kenelm ACTIVE | Director | 27 Oct 2017 | | United Kingdom | February 1960 | Unit G1, Public Analyst Scientific Services Ltd, Business Park Valiant Way, Wolverhampton, West Midlands, WV9 5GB, England |
| CAMPBELL, Duncan James, Dr ACTIVE | Director | 15 Oct 2003 | | England | November 1960 | Highfields, Manorstead, Skelmanthorpe, Huddersfield, HD8 9DW, England |
| WHITE, Jane ACTIVE | Director | 12 Sep 2014 | | United Kingdom | February 1966 | 64, Everard Drive, Glasgow, G21 1XG, United Kingdom |
| BARNETT, Malvern RESIGNED | Secretary | | 08 May 1993 | | | 27 Wessex Drive, Hatch End, Pinner, Middlesex, HA5 4PX |
| CLARE, Peter Nicholas RESIGNED | Secretary | 08 May 1993 | 25 Apr 1998 | | | 17 Old Quarry Avenue, Kiveton Park, Sheffield, South Yorkshire, S31 8RW |
| ENNION, Ronald Anthony RESIGNED | Secretary | 24 Jul 2000 | 31 Oct 2007 | | | 5 Garden Court, Wrexham, North Wales, LL11 2SQ |
| LENARTOWICZ, Paul Marian RESIGNED | Secretary | 25 Apr 1998 | 24 Jul 2000 | | | 6 Thornhill Road, Cardiff, South Glamorgan, CF14 6PD |
| MACKIE, Andrew Charles, Dr RESIGNED | Secretary | 31 Oct 2008 | 19 Oct 2012 | | | 49, Greenbank Crescent, Edinburgh, EH10 5TD |
| APPLETON, Stephen Paul RESIGNED | Director | 19 Oct 2012 | 23 Oct 2015 | Uk | August 1958 | Royal Society Of Chemistry, Burlington House, Piccadilly, London, W1J 0BA, Uk |
| ARTHUR, Duncan Kenelm RESIGNED | Director | 19 Apr 1997 | 24 Jul 2000 | | February 1960 | 92 New Road, Croxley Green, Rickmansworth, Hertfordshire, WD3 3EP |
| BARNETT, Malvern RESIGNED | Director | | 25 Apr 1998 | | January 1936 | 27 Wessex Drive, Hatch End, Pinner, Middlesex, HA5 4PX |
| BILLINGTON, Melvyn John RESIGNED | Director | | 25 Apr 1998 | | July 1947 | The Yews 65 Coton Road, Coleshill, Birmingham, West Midlands, B46 2EX |
| BOYNES, Carol Rosemary RESIGNED | Director | 08 May 1993 | 19 Apr 1997 | | June 1953 | 4 Aragon Drive, Warwick, Warwickshire, CV34 6LR |
| BROOKES, Susanne RESIGNED | Director | 23 Oct 2015 | 26 Feb 2026 | Wales | November 1972 | Minton, Treharne & Davies Ltd, Forest Farm Industrial Estate, Longwood Drive, Cardiff, CF14 7HY, Wales |
| BROWN, Peter Anthony RESIGNED | Director | 09 Nov 2017 | 26 Oct 2018 | United Kingdom | February 1952 | Royal Society Of Chemistry, Burlington House, Piccadilly, London, W1V 0BN |
| BROWN, Peter Anthony RESIGNED | Director | 30 Oct 2009 | 24 Oct 2013 | United Kingdom | February 1952 | Burlington House, Piccadilly, London, W1V 0BN |
| CAMPBELL, Duncan James, Dr RESIGNED | Director | 24 Jun 1997 | 24 Jul 2000 | United Kingdom | November 1960 | 15 Kensington Road, Wakefield, West Yorkshire, WF1 3JX |
| CHISNALL, Kenneth Thomas RESIGNED | Director | | 08 May 1993 | | February 1936 | 57 Gritstone Road, Matlock, Derbyshire, DE4 3GD |
| CLARE, Peter Nicholas RESIGNED | Director | | 25 Apr 1998 | | September 1947 | 17 Old Quarry Avenue, Kiveton Park, Sheffield, South Yorkshire, S31 8RW |
| CONCHIE, Eric Charles RESIGNED | Director | | 08 May 1993 | | July 1940 | 7 Orchard Way, Kelsall, Tarporley, Cheshire, CW6 0NY |
| COUPER, Jane RESIGNED | Director | 23 Oct 2015 | 13 Nov 2020 | Scotland | June 1965 | Tayside Scientific Services, James Lindsay Place, Technopole, Dundee, DD1 5JJ, United Kingdom |
| COUPER, Jane RESIGNED | Director | 30 Oct 2009 | 24 Oct 2013 | Scotland | June 1965 | Burlington House, Piccadilly, London, W1V 0BN |
| COUPER, Jane RESIGNED | Director | 12 Oct 2002 | 08 Oct 2005 | Scotland | June 1965 | 7 Lancaster Crescent, Kelvinside, Glasgow, G12 0RR |
| DAVIES, Robert John RESIGNED | Director | 23 Apr 1994 | 12 Oct 2002 | | March 1949 | 19 Elveley Drive, West Ella, Hull, North Humberside, HU10 7RT |
| DREDGE, Brian Stuart RESIGNED | Director | 01 Jun 1996 | 24 Apr 1999 | | November 1939 | 9 Station Court, Newport, Shropshire, TF10 7RZ |
| DYER, Shayne Gordon John RESIGNED | Director | 12 Sep 2014 | 31 Oct 2019 | United Kingdom | June 1955 | Hampshire Scientific Service, Hyde Park Road, Portsmouth, Hampshire, PO5 4LL, United Kingdom |
| DYER, Shayne Gordon John RESIGNED | Director | 31 Oct 2008 | 28 Oct 2010 | United Kingdom | June 1955 | 36 Laurel Road, Locks Heath, Southampton, Hampshire, SO31 6QG |
| DYER, Shayne Gordon John RESIGNED | Director | 15 Oct 2003 | 29 Sep 2006 | United Kingdom | June 1955 | 36 Laurel Road, Locks Heath, Southampton, Hampshire, SO31 6QG |
| ENNION, Ronald Anthony RESIGNED | Director | 19 Oct 2012 | 23 Oct 2015 | Uk | August 1953 | Royal Society Of Chemistry, Burlington House, Piccadilly, London, W1V 0BN |
| ENNION, Ronald Anthony RESIGNED | Director | 19 Apr 1997 | 31 Oct 2007 | Uk | August 1953 | 5 Garden Court, Wrexham, North Wales, LL11 2SQ |
| EVANS, Michelle Lesley RESIGNED | Director | 24 Oct 2013 | 28 Oct 2016 | Uk | December 1968 | 14, Martin Street, Stafford, ST16 2LG |
| FULSTOW, John RESIGNED | Director | | 23 Apr 1994 | | April 1946 | Lee Farm House Free Street, Bishops Waltham, Southampton, Hampshire, SO32 1EE |
| GIBBONS, Carol Nicola RESIGNED | Director | 26 Nov 2021 | 26 Feb 2026 | England | October 1965 | Kent Scientific Services, Abbey Wood Road, Kings Hill, West Malling, ME19 4YT, England |
| GODFRAY, Martin Francis RESIGNED | Director | 23 Apr 1994 | 01 Jun 1996 | | May 1945 | 27 Burnbrae, Maybury Drive, Edinburgh, Mid Lothian, EH12 8UB |
| GORTON, Frank RESIGNED | Director | | 19 Apr 1997 | | December 1946 | Linden Cottages, Roman Road Blacksnake, Darwen, Lancashire |
| GREEN, Jennifer RESIGNED | Director | 28 Oct 2010 | 12 Sep 2014 | United Kingdom | October 1973 | Burlington House, Piccadilly, London, W1V 0BN, United Kingdom |
| GRIFFIN, Jonathan David RESIGNED | Director | 26 Mar 2016 | 26 Nov 2021 | United Kingdom | November 1972 | 8, Abbey Wood Road, Kings Hill, West Malling, Kent, ME19 4YT, England |
| GRIFFIN, Jonathan David RESIGNED | Director | 26 Mar 2015 | 26 Mar 2016 | British | March 1965 | 8, Abbey Wood Road, Kings Hill, West Malling, Kent, ME19 4YT |
| GUFFOGG, Stephen RESIGNED | Director | 08 Oct 2005 | 30 Oct 2009 | | March 1952 | 13 Carnoustie, Norwich, Norfolk, NR4 6AY |
| GUFFOGG, Stephen RESIGNED | Director | 08 May 1993 | 19 Apr 1997 | | March 1952 | 13 Carnoustie, Norwich, Norfolk, NR4 6AY |
| HAMPTON, Ian James RESIGNED | Director | 24 Jul 2000 | 15 Oct 2003 | England | November 1947 | 15 The Orpines, Wateringbury, Maidstone, ME18 5BP |
| HANKS, Donna May RESIGNED | Director | 26 Nov 2021 | 26 Feb 2026 | England | March 1965 | Public Analyst Scientific Services, I54 Business Park, Valiant Way, Wolverhampton, WV9 5GB, England |
| HARRISON, Anthony John RESIGNED | Director | | 24 Apr 1999 | | December 1933 | Flat 1 Beaufort Court, Clevedon, Avon, BS21 7PQ |
| HARRISON, Norman RESIGNED | Director | 23 Apr 1994 | 24 Jul 2000 | | November 1936 | 6 The Tithings, Kibworth, Leicester, Leicestershire, LE8 0PU |
| HARRISON, Norman RESIGNED | Director | | 08 May 1993 | | November 1936 | 1 Fernie Close, Dadby, Leicester, LE2 4SJ |
| HAYWOOD, Geoff, Dr RESIGNED | Director | 12 Oct 2002 | 08 Oct 2005 | | September 1954 | 7 The Pinfold, Newton Burgoland, Coalville, Leicestershire, LE67 2SQ |
| HEIDE, Christopher John RESIGNED | Director | 24 Jul 2000 | 14 Oct 2004 | | February 1950 | 3, Rockwell Green, Wellington, Somerset, TA21 9BS |
| HOLLYWOOD, Francis, Dr RESIGNED | Director | 15 Oct 2003 | 22 May 2012 | United Kingdom | February 1952 | 17 Chepstow Drive, Stafford, Staffordshire, ST17 4TT |
| HUBBARD, Joanne RESIGNED | Director | 10 Nov 2006 | 26 Nov 2021 | United Kingdom | June 1969 | Public Analyst Scientific Services Ltd 154, Valiant Way, Wolverhampton, WV9 5GB, United Kingdom |
| HUBBARD, Joanne RESIGNED | Director | 29 Sep 2006 | 30 Oct 2009 | United Kingdom | June 1969 | 45 Whitehall Road, Didsbury, Manchester, Lancashire, M20 6RY |
| JOYCE, Stuart Anthony RESIGNED | Director | 17 Sep 2001 | 14 Oct 2004 | | May 1947 | 51 Tanzieknowe Road, Cambuslang, Glasgow, G72 8RD |
| LENARTOWICZ, Paul Marian RESIGNED | Director | 23 Apr 1994 | 30 Oct 2009 | | August 1954 | 42 Manor Drive, Farmhill, Douglas, Isle Of Man, IM2 2NS |
| LORD, David William RESIGNED | Director | | 23 Apr 1994 | | | 40 Hospital Road, Bromley Cross, Bolton, BL7 9LP |
| MACKIE, Andrew Charles, Dr RESIGNED | Director | 31 Oct 2008 | 19 Oct 2012 | United Kingdom | July 1951 | 49, Greenbank Crescent, Edinburgh, EH10 5TD |
| MAYES, Peter Leonard RESIGNED | Director | 08 Oct 2005 | 30 Oct 2009 | | March 1954 | 167 Hesketh Lane, Tarleton, Preston, Lancashire, PR4 6AS |
| MAYNARD, Peter Gordon Taylor RESIGNED | Director | 29 Sep 2006 | 31 Dec 2008 | Uk | June 1948 | Sylvan Bank, Ship Hill, Tatsfield, Westerham, Kent, TN16 2JY |
| MAYNARD, Peter Gordon Taylor RESIGNED | Director | 29 Sep 2006 | 30 Oct 2009 | Uk | June 1948 | Sylvan Bank, Ship Hill, Tatsfield, Westerham, Kent, TN16 2JY |
| MAYNARD, Peter Gordon Taylor RESIGNED | Director | 17 Sep 2001 | 14 Oct 2004 | Uk | June 1948 | Sylvan Bank, Ship Hill, Tatsfield, Westerham, Kent, TN16 2JY |
| MCDONALD, Charles, Dr RESIGNED | Director | 25 Apr 1998 | 17 Sep 2001 | | February 1950 | 7 Castlehill Crescent, Ayr, Ayrshire, KA7 2JG |
| MCINTOSH, Laurence John RESIGNED | Director | | 29 Apr 1995 | | January 1939 | 2 Hamilton Drive, Bothwell, Glasgow, G71 8RR |
| MICHIE, Norman Dale RESIGNED | Director | 19 Apr 1997 | 30 Oct 2009 | | November 1950 | 4 Mains View, Westhill, Aberdeenshire, AB32 6NZ |
| MORAN, Watney Elizabeth RESIGNED | Director | 26 Oct 2007 | 23 Oct 2015 | United Kingdom | August 1971 | I54 Business Park, Valiant Way, Wolverhampton, WV9 5GB, Uk |
| NEW, Rachel Ann RESIGNED | Director | 31 Oct 2019 | 26 Feb 2026 | England | May 1968 | Hampshire Scientific Services, Hyde Park Road, Southsea, PO5 4LL, England |
| NICOLSON, Ronald Samuel RESIGNED | Director | | 23 Apr 1994 | | January 1930 | 7 Beech Road, Kirkintilloch, Glasgow, Lanarkshire, G66 4HN |
| OTTIE, Ronald RESIGNED | Director | 08 May 1993 | 01 Jun 1996 | United Kingdom | August 1946 | 7 Crowley Avenue, Whickham, Newcastle Upon Tyne, Tyne & Wear, NE16 4TD |
| PARKER, Alan Frederick RESIGNED | Director | 25 Apr 1998 | 17 Sep 2001 | | July 1942 | 81 Ashburton Avenue, Seven Kings, Ilford, Essex, IG3 9ER |
| PAYNE, Nigel Kenneth RESIGNED | Director | 27 Oct 2011 | 24 Oct 2017 | United Kingdom | October 1959 | Burlington House, Piccadilly, London, W1V 0BN, United Kingdom |
| PAYNE, Nigel Kenneth RESIGNED | Director | 15 Oct 2003 | 29 Sep 2006 | United Kingdom | October 1959 | Chantry Cottage, South Road, Prudhoe, Northumberland, NE42 5LB |
| PAYNE, Nigel Kenneth RESIGNED | Director | 24 Apr 1999 | 12 Oct 2002 | United Kingdom | October 1959 | Chantry Cottage, South Road, Prudhoe, Northumberland, NE42 5LB |
| REDDY, Bharathi RESIGNED | Director | 13 Dec 2020 | 26 Feb 2026 | England | March 1966 | Lancashire County Scientific Services, Pedders Way, Ashton-On-Ribble, Preston, PR2 2TX, England |
| REYNOLDS, Edward Braxton RESIGNED | Director | | 31 Oct 2007 | England | December 1940 | 83 Heavitree Road, Exeter, Devon, EX1 2ND |
| RICHARDS, Alan Thomas RESIGNED | Director | 12 Oct 2002 | 19 Oct 2012 | United Kingdom | February 1956 | 11 Chirton Avenue, South Shields, NE34 7BW |
| ROBINSON, John Antony RESIGNED | Director | 29 Sep 2006 | 23 Oct 2015 | United Kingdom | May 1965 | 4 Walnut Close, Bishops Hull, Taunton, Somerset, TA1 5HP |
| SALTER, John Frances RESIGNED | Director | 17 Sep 2001 | 29 Jul 2002 | England | June 1942 | Stilehouse 35 Belmont Road, Maidenhead, Berkshire, SL6 6JL |
| SALTER, John Frances RESIGNED | Director | | 08 May 1993 | England | June 1942 | Stilehouse 35 Belmont Road, Maidenhead, Berkshire, SL6 6JL |
| SHELTON, Clive James RESIGNED | Director | | 29 Apr 1995 | England | June 1957 | 65 Malmains Way, Beckenham, Kent, BR3 6SB |
| SMITH, Andrew Christopher, Dr RESIGNED | Director | 30 Oct 2009 | 17 Sep 2012 | Great Britain | January 1954 | Burlington House, Piccadilly, London, W1V 0BN |
| SMITH, Andrew Christopher RESIGNED | Director | 24 Apr 1999 | 31 Oct 2008 | | January 1954 | 8 Whitley Road, Heaton Moor, Stockport, SK4 4EH |
| SMITH, Peter Irvine, Doctor RESIGNED | Director | 29 Apr 1995 | 25 Apr 1998 | Scotland | April 1947 | 7 Napier Road, Killearn, Glasgow, Central Region, G63 9PB |
| STANLEY, Philip Charles RESIGNED | Director | 15 Oct 2003 | 31 Oct 2007 | | March 1966 | 1 Cadbury Road, Portishead, Bristol, North Somerset, BS20 6QF |
| STEPHENSON, George, Dr RESIGNED | Director | 14 Oct 2004 | 31 Oct 2008 | | July 1951 | Columbine House, Combe St Nicholas, Somerset, TA20 3LT |
| STEPHENSON, George, Dr RESIGNED | Director | 19 Apr 1997 | 24 Apr 1999 | | July 1951 | Columbine House, Combe St Nicholas, Somerset, TA20 3LT |
| STEVENS, Robert Alan RESIGNED | Director | 19 Apr 1997 | 31 Oct 2008 | | January 1947 | 17 Wheatfield Avenue, Worcester, WR5 3HA |
| STEVENS, Robert Alan RESIGNED | Director | | 01 Jun 1996 | | January 1947 | 4 Aragon Drive, Warwick, Warwickshire, CV34 6LR |
| SWAN, Karen Joyce RESIGNED | Director | 24 Apr 1999 | 15 Oct 2003 | | June 1953 | 10 Buttermere Avenue, Fleetwood, Lancashire, FY7 8PF |
| TAYLOR, Brian RESIGNED | Director | 08 May 1993 | 19 Apr 1997 | | June 1942 | 5 Thornton Close, Little Lever, Bolton, BL3 1NZ |
| THOMAS, Marian Jane, Dr RESIGNED | Director | 24 Jul 2000 | 15 Oct 2003 | | November 1952 | 46 Boothgate Drive, Howden, Goole, North Humberside, DN14 7EW |
| URWIN, Patricia RESIGNED | Director | 24 Apr 1999 | 15 Oct 2003 | | March 1956 | 25 Tranmere Avenue, Bristol, Avon, BS10 7JN |
| WALKER, Gary George Cavendish RESIGNED | Director | 27 Oct 2011 | 12 Sep 2014 | United Kingdom | April 1967 | Burlington House, Piccadilly, London, W1V 0BN, United Kingdom |
| WALKER, Gary George Cavendish RESIGNED | Director | 14 Oct 2004 | 31 Oct 2008 | United Kingdom | April 1967 | 8 Baltersan Gardens, Quarter, Hamilton, Lanarkshire, ML3 7QW |
| WALLER, John Maurice RESIGNED | Director | 31 Oct 2008 | 29 Oct 2012 | United Kingdom | April 1957 | 6 The Balk, Glenfield, Leicester, Leicestershire, LE3 8BL |
| WALLER, John Maurice RESIGNED | Director | 25 Apr 1998 | 17 Sep 2001 | United Kingdom | April 1957 | 6 The Balk, Glenfield, Leicester, Leicestershire, LE3 8BL |
| WHITE, Jane Mary RESIGNED | Director | 31 Oct 2008 | 27 Oct 2011 | Scotland | February 1966 | 93 Oban Drive, Glasgow, Lanarkshire, G20 6AA |
| WOOTTEN, Jeremy Paul RESIGNED | Director | 24 Oct 2013 | 28 Oct 2016 | England | April 1953 | 28-32, Brunel Road, Westway Estate Acton, London, W3 7XR, Uk |