CRITICAL MARITIME SYSTEMS & SUPPORT LIMITED

Company summary

Company number: 00953609
Status: ACTIVE
Incorporated / age: 6 May 196957 years
Registered office: Harston Mill Royston Road, Harston, Cambridge, CB22 7GG, England
Accounts due: 30 September 2027
Confirmation statement due: 15 May 2027
Active officers: 3
Outstanding charges: 0

Sourced from Companies House, retrieved 18 October 2026 at 19:55 UTC. This is public register information, not a credit or legal assessment.

View this company on the Companies House register

Company type
Private limited company
Address
Harston Mill Royston Road, Harston, Cambridge, CB22 7GG, England
Nature of business
Manufacture of other special-purpose machinery n.e.c.
Previous company names
TPG MARITIME LIMITED
ATMOSPHERE CONTROL INTERNATIONAL LIMITED
WELLMAN DEFENCE LIMITED
WELLMAN CJB LIMITED
CJB DEVELOPMENTS LIMITED

Officer details

Name	Role	Appointed On	Resigned On	Country of Residence	Date of Birth	Address
BRETT, Jonathan ACTIVE	Director	27 Jan 2023		England	August 1979	Harston Mill, Royston Road, Harston, Cambridge, CB22 7GG, England
COLE, Sarah Elizabeth ACTIVE	Director	27 Jan 2023		England	July 1979	Harston Mill, Royston Road, Harston, Cambridge, CB22 7GG, England
KEANIE, Crispin James ACTIVE	Director	27 Jan 2023		England	June 1982	Dolphin House, Williams Road, Portsmouth, PO3 5FP, England
CHITTY, Jonathan Lees RESIGNED	Secretary	31 May 2002	04 Aug 2003			41 Cobden Avenue, Harley Whitefort, Warndon Villages, Worcestershire, WR4 0NA
DUCKWORTH, Simon Charles RESIGNED	Secretary	28 Feb 1997	31 Oct 1999			8 Newtons Croft Crescent, Barlborough, Chesterfield, Derbyshire, S43 4WA
HARROW, Stephen Giles RESIGNED	Secretary	05 Apr 2012	31 Dec 2012			Technology Cenre, 683-685 Stirling Road, Slough, SL1 4ST, United Kingdom
MACPHERSON, Claire Louise RESIGNED	Secretary	01 Feb 2015	01 May 2022			Cale House, Station Road, Wincanton, BA9 9FE, England
PIM, Colin John RESIGNED	Secretary		28 Feb 1997			224 Havant Road, Hayling Island, Hampshire, PO11 0LN
SHANNON, George RESIGNED	Secretary	04 Aug 2003	05 Apr 2012			Glen Clova 10b Bonfield Road, Strathkinness, Fife, KY16 9RP
SMITH, Jonathan Francis RESIGNED	Secretary	29 Oct 1999	31 May 2002			Mid Thatch Boon Street, Eckington, Pershore, Worcestershire, WR10 3BL
WEBB, Michael John RESIGNED	Secretary	28 Feb 2013	01 Feb 2015			Technology Centre, 683-685 Stirling Road, Slough, SL1 4ST
BARR, Daniel James RESIGNED	Director	22 Oct 2021	30 Jun 2022	England	February 1991	Cale House, Station Road, Wincanton, BA9 9FE, England
BAXANDALL, Charles Arthur Hillman RESIGNED	Director		28 May 1992		January 1931	52 Blackbrook Park Avenue, Fareham, Hampshire, PO15 5JL
BAXTER, Alan John RESIGNED	Director	28 Feb 1997	02 Aug 2005	England	January 1950	Marion Brook House, Warford Hall Drive, Great Warford Alderley Edge, Cheshire, SK9 7TR
CARTER, Jonathan Philip RESIGNED	Director	22 Jul 2013	01 Sep 2014	England	November 1965	Technology Centre, 683-685 Stirling Road, Slough, SL1 4ST
CARTMELL, Philip RESIGNED	Director	01 Feb 2016	21 Jun 2016	England	May 1951	A2/1064, Cody Technology Park, Old Ively Road, Farnborough, Hampshire, GU14 0LX, England
CASSIDY, Stephen RESIGNED	Director	02 Apr 2001	31 Jul 2014	England	June 1954	The Laurels, Crawley Hill, West Wellow, Romsey, Hampshire, SO51 6AP
CHITTY, Jonathan Lees RESIGNED	Director	31 May 2002	04 Aug 2003		April 1966	41 Cobden Avenue, Harley Whitefort, Warndon Villages, Worcestershire, WR4 0NA
CONSTABLE, Jon Neil RESIGNED	Director	22 Oct 2021	24 Feb 2022	England	July 1978	Cale House, Station Road, Wincanton, BA9 9FE, England
COUZENS, Raymond George RESIGNED	Director	01 Apr 1997	02 Jan 2001	England	August 1940	Copsewood, Green Lane Hambledon, Waterlooville, Hampshire, PO7 4SY
COUZENS, Raymond George RESIGNED	Director		28 Feb 1997	England	August 1940	Copsewood, Green Lane Hambledon, Waterlooville, Hampshire, PO7 4SY
CRAWFORD, Mark Stephen RESIGNED	Director	05 Apr 2012	01 Feb 2016	England	May 1967	Technology Centre, 683-685 Stirling Road, Slough, SL1 4ST, United Kingdom
GOODROW, Paul RESIGNED	Director	14 Dec 2005	12 Oct 2006		July 1949	5217 Mulberry Drive, Birlington, Ontario L7l 3p6, Canada
HANCOX, Roger Frederic RESIGNED	Director	28 Feb 1997	21 May 1998		October 1948	Lower Leys 46 Mount Road, Tettenhall Wood, Wolverhampton, West Midlands, WV6 8HW
HOLT, Michael St John RESIGNED	Director		28 Feb 1997	United Kingdom	April 1948	27 Hill Road, Portchester, Fareham, Hampshire, PO16 8LA
KINGS, Simon John Nicholson RESIGNED	Director	21 Jun 2016	09 Feb 2018	England	May 1963	A2/1064, Cody Technology Park, Old Ively Road, Farnborough, Hampshire, GU14 0LX, England
KINGS, Simon John Nicholson RESIGNED	Director	21 Jun 2016	21 Jun 2016	England	May 1953	A2/1064, Cody Technology Park, Old Ively Road, Farnborough, Hampshire, GU14 0LX, England
LAWRENCE, Peter Charles RESIGNED	Director	17 Mar 1997	31 Mar 2013	United Kingdom	February 1963	Fleet House, Fleet Lane, Twyning, Gloucestershire, GL20 6FL
LEPPARD, Colin John RESIGNED	Director		31 Jul 1995		October 1940	Brook House Priors Leaze Lane, Hambrook, Chichester, West Sussex, PO18 8RQ
MACPHERSON, Claire Louise RESIGNED	Director	15 Feb 2018	10 Oct 2021	England	February 1973	Cale House, Station Road, Wincanton, BA9 9FE, England
OSBORNE, Brian Roy RESIGNED	Director		28 Feb 1997		January 1940	10 Greatfield Way, Rowlands Castle, Hampshire, PO9 6AG
ROLFE, Bernard Philip RESIGNED	Director	14 Dec 2005	28 Aug 2007		September 1951	Keepers Cottage, Adbury, Newbury, Berkshire, RG20 4HD
SHANNON, George RESIGNED	Director	04 Aug 2003	05 Apr 2012	Scotland	April 1963	Glen Clova 10b Bonfield Road, Strathkinness, Fife, KY16 9RP
SMITH, Charles Patrick RESIGNED	Director		31 Oct 1992	United Kingdom	October 1936	Lynwood, Malvern Road Hill Brow, Liss, Hampshire, GU33 7PY
SMITH, Jonathan Francis RESIGNED	Director	28 Feb 1997	31 May 2002		May 1947	Mid Thatch Boon Street, Eckington, Pershore, Worcestershire, WR10 3BL
SMITH, Terence RESIGNED	Director	30 Jun 1997	30 Apr 1999	England	August 1949	Sandhill House Sandhill Lane, Sutton On Derwent, York, YO41 4BX
STROUD, Derren Mark RESIGNED	Director	01 Mar 2016	31 May 2023	United Kingdom	November 1970	Cale House, Station Road, Wincanton, BA9 9FE, England
WATKINS, James, Dr RESIGNED	Director	14 Dec 2005	28 Oct 2006		January 1954	Flat 101 Boston House, 69-75 Boston Manor Road Brentford, London, TW8 9JJ
WORLIDGE, Robert RESIGNED	Director	01 Sep 1993	28 Feb 1997	United Kingdom	October 1933	Abbey Rectory, 17 Park Lane, Bath, Avon, BA1 2XH

BRETT, Jonathan ACTIVE
Role: Director
Appointed on: 27 Jan 2023
Country of Residence: England
Date of birth: August 1979
Address: Harston Mill, Royston Road, Harston, Cambridge, CB22 7GG, England

COLE, Sarah Elizabeth ACTIVE
Role: Director
Appointed on: 27 Jan 2023
Country of Residence: England
Date of birth: July 1979
Address: Harston Mill, Royston Road, Harston, Cambridge, CB22 7GG, England

KEANIE, Crispin James ACTIVE
Role: Director
Appointed on: 27 Jan 2023
Country of Residence: England
Date of birth: June 1982
Address: Dolphin House, Williams Road, Portsmouth, PO3 5FP, England

CHITTY, Jonathan Lees RESIGNED
Role: Secretary
Appointed on: 31 May 2002
Resigned on: 04 Aug 2003
Address: 41 Cobden Avenue, Harley Whitefort, Warndon Villages, Worcestershire, WR4 0NA

DUCKWORTH, Simon Charles RESIGNED
Role: Secretary
Appointed on: 28 Feb 1997
Resigned on: 31 Oct 1999
Address: 8 Newtons Croft Crescent, Barlborough, Chesterfield, Derbyshire, S43 4WA

HARROW, Stephen Giles RESIGNED
Role: Secretary
Appointed on: 05 Apr 2012
Resigned on: 31 Dec 2012
Address: Technology Cenre, 683-685 Stirling Road, Slough, SL1 4ST, United Kingdom

MACPHERSON, Claire Louise RESIGNED
Role: Secretary
Appointed on: 01 Feb 2015
Resigned on: 01 May 2022
Address: Cale House, Station Road, Wincanton, BA9 9FE, England

PIM, Colin John RESIGNED
Role: Secretary
Appointed on:
Resigned on: 28 Feb 1997
Address: 224 Havant Road, Hayling Island, Hampshire, PO11 0LN

SHANNON, George RESIGNED
Role: Secretary
Appointed on: 04 Aug 2003
Resigned on: 05 Apr 2012
Address: Glen Clova 10b Bonfield Road, Strathkinness, Fife, KY16 9RP

SMITH, Jonathan Francis RESIGNED
Role: Secretary
Appointed on: 29 Oct 1999
Resigned on: 31 May 2002
Address: Mid Thatch Boon Street, Eckington, Pershore, Worcestershire, WR10 3BL

WEBB, Michael John RESIGNED
Role: Secretary
Appointed on: 28 Feb 2013
Resigned on: 01 Feb 2015
Address: Technology Centre, 683-685 Stirling Road, Slough, SL1 4ST

BARR, Daniel James RESIGNED
Role: Director
Appointed on: 22 Oct 2021
Resigned on: 30 Jun 2022
Country of Residence: England
Date of birth: February 1991
Address: Cale House, Station Road, Wincanton, BA9 9FE, England

BAXANDALL, Charles Arthur Hillman RESIGNED
Role: Director
Appointed on:
Resigned on: 28 May 1992
Date of birth: January 1931
Address: 52 Blackbrook Park Avenue, Fareham, Hampshire, PO15 5JL

BAXTER, Alan John RESIGNED
Role: Director
Appointed on: 28 Feb 1997
Resigned on: 02 Aug 2005
Country of Residence: England
Date of birth: January 1950
Address: Marion Brook House, Warford Hall Drive, Great Warford Alderley Edge, Cheshire, SK9 7TR

CARTER, Jonathan Philip RESIGNED
Role: Director
Appointed on: 22 Jul 2013
Resigned on: 01 Sep 2014
Country of Residence: England
Date of birth: November 1965
Address: Technology Centre, 683-685 Stirling Road, Slough, SL1 4ST

CARTMELL, Philip RESIGNED
Role: Director
Appointed on: 01 Feb 2016
Resigned on: 21 Jun 2016
Country of Residence: England
Date of birth: May 1951
Address: A2/1064, Cody Technology Park, Old Ively Road, Farnborough, Hampshire, GU14 0LX, England

CASSIDY, Stephen RESIGNED
Role: Director
Appointed on: 02 Apr 2001
Resigned on: 31 Jul 2014
Country of Residence: England
Date of birth: June 1954
Address: The Laurels, Crawley Hill, West Wellow, Romsey, Hampshire, SO51 6AP

CHITTY, Jonathan Lees RESIGNED
Role: Director
Appointed on: 31 May 2002
Resigned on: 04 Aug 2003
Date of birth: April 1966
Address: 41 Cobden Avenue, Harley Whitefort, Warndon Villages, Worcestershire, WR4 0NA

CONSTABLE, Jon Neil RESIGNED
Role: Director
Appointed on: 22 Oct 2021
Resigned on: 24 Feb 2022
Country of Residence: England
Date of birth: July 1978
Address: Cale House, Station Road, Wincanton, BA9 9FE, England

COUZENS, Raymond George RESIGNED
Role: Director
Appointed on: 01 Apr 1997
Resigned on: 02 Jan 2001
Country of Residence: England
Date of birth: August 1940
Address: Copsewood, Green Lane Hambledon, Waterlooville, Hampshire, PO7 4SY

COUZENS, Raymond George RESIGNED
Role: Director
Appointed on:
Resigned on: 28 Feb 1997
Country of Residence: England
Date of birth: August 1940
Address: Copsewood, Green Lane Hambledon, Waterlooville, Hampshire, PO7 4SY

CRAWFORD, Mark Stephen RESIGNED
Role: Director
Appointed on: 05 Apr 2012
Resigned on: 01 Feb 2016
Country of Residence: England
Date of birth: May 1967
Address: Technology Centre, 683-685 Stirling Road, Slough, SL1 4ST, United Kingdom

GOODROW, Paul RESIGNED
Role: Director
Appointed on: 14 Dec 2005
Resigned on: 12 Oct 2006
Date of birth: July 1949
Address: 5217 Mulberry Drive, Birlington, Ontario L7l 3p6, Canada

HANCOX, Roger Frederic RESIGNED
Role: Director
Appointed on: 28 Feb 1997
Resigned on: 21 May 1998
Date of birth: October 1948
Address: Lower Leys 46 Mount Road, Tettenhall Wood, Wolverhampton, West Midlands, WV6 8HW

HOLT, Michael St John RESIGNED
Role: Director
Appointed on:
Resigned on: 28 Feb 1997
Country of Residence: United Kingdom
Date of birth: April 1948
Address: 27 Hill Road, Portchester, Fareham, Hampshire, PO16 8LA

KINGS, Simon John Nicholson RESIGNED
Role: Director
Appointed on: 21 Jun 2016
Resigned on: 09 Feb 2018
Country of Residence: England
Date of birth: May 1963
Address: A2/1064, Cody Technology Park, Old Ively Road, Farnborough, Hampshire, GU14 0LX, England

KINGS, Simon John Nicholson RESIGNED
Role: Director
Appointed on: 21 Jun 2016
Resigned on: 21 Jun 2016
Country of Residence: England
Date of birth: May 1953
Address: A2/1064, Cody Technology Park, Old Ively Road, Farnborough, Hampshire, GU14 0LX, England

LAWRENCE, Peter Charles RESIGNED
Role: Director
Appointed on: 17 Mar 1997
Resigned on: 31 Mar 2013
Country of Residence: United Kingdom
Date of birth: February 1963
Address: Fleet House, Fleet Lane, Twyning, Gloucestershire, GL20 6FL

LEPPARD, Colin John RESIGNED
Role: Director
Appointed on:
Resigned on: 31 Jul 1995
Date of birth: October 1940
Address: Brook House Priors Leaze Lane, Hambrook, Chichester, West Sussex, PO18 8RQ

MACPHERSON, Claire Louise RESIGNED
Role: Director
Appointed on: 15 Feb 2018
Resigned on: 10 Oct 2021
Country of Residence: England
Date of birth: February 1973
Address: Cale House, Station Road, Wincanton, BA9 9FE, England

OSBORNE, Brian Roy RESIGNED
Role: Director
Appointed on:
Resigned on: 28 Feb 1997
Date of birth: January 1940
Address: 10 Greatfield Way, Rowlands Castle, Hampshire, PO9 6AG

ROLFE, Bernard Philip RESIGNED
Role: Director
Appointed on: 14 Dec 2005
Resigned on: 28 Aug 2007
Date of birth: September 1951
Address: Keepers Cottage, Adbury, Newbury, Berkshire, RG20 4HD

SHANNON, George RESIGNED
Role: Director
Appointed on: 04 Aug 2003
Resigned on: 05 Apr 2012
Country of Residence: Scotland
Date of birth: April 1963
Address: Glen Clova 10b Bonfield Road, Strathkinness, Fife, KY16 9RP

SMITH, Charles Patrick RESIGNED
Role: Director
Appointed on:
Resigned on: 31 Oct 1992
Country of Residence: United Kingdom
Date of birth: October 1936
Address: Lynwood, Malvern Road Hill Brow, Liss, Hampshire, GU33 7PY

SMITH, Jonathan Francis RESIGNED
Role: Director
Appointed on: 28 Feb 1997
Resigned on: 31 May 2002
Date of birth: May 1947
Address: Mid Thatch Boon Street, Eckington, Pershore, Worcestershire, WR10 3BL

SMITH, Terence RESIGNED
Role: Director
Appointed on: 30 Jun 1997
Resigned on: 30 Apr 1999
Country of Residence: England
Date of birth: August 1949
Address: Sandhill House Sandhill Lane, Sutton On Derwent, York, YO41 4BX

STROUD, Derren Mark RESIGNED
Role: Director
Appointed on: 01 Mar 2016
Resigned on: 31 May 2023
Country of Residence: United Kingdom
Date of birth: November 1970
Address: Cale House, Station Road, Wincanton, BA9 9FE, England

WATKINS, James, Dr RESIGNED
Role: Director
Appointed on: 14 Dec 2005
Resigned on: 28 Oct 2006
Date of birth: January 1954
Address: Flat 101 Boston House, 69-75 Boston Manor Road Brentford, London, TW8 9JJ

WORLIDGE, Robert RESIGNED
Role: Director
Appointed on: 01 Sep 1993
Resigned on: 28 Feb 1997
Country of Residence: United Kingdom
Date of birth: October 1933
Address: Abbey Rectory, 17 Park Lane, Bath, Avon, BA1 2XH

Filing history

Timeline

People with significant control

Charges

Created	Status	Filings
18 Mar 2025	Outstanding	Registration of a charge (MR01) (opens in a new tab)
18 Mar 2025	Outstanding	Registration of a charge (MR01) (opens in a new tab)
18 Mar 2025	Outstanding	Registration of a charge (MR01) (opens in a new tab)
03 Mar 2020	Satisfied	Registration of a charge (MR01) (opens in a new tab)Satisfaction of a charge (MR04) (opens in a new tab)
03 Mar 2020	Satisfied	Registration of a charge (MR01) (opens in a new tab)Satisfaction of a charge (MR04) (opens in a new tab)
05 Apr 2012	Satisfied	Registration of a charge (MG01) (opens in a new tab)Satisfaction of a charge (MR04) (opens in a new tab)
24 Sep 2007	Satisfied	Registration of a charge (395) (opens in a new tab)Statement of satisfaction of a charge in full or part (MG02) (opens in a new tab)
30 Sep 2005	Satisfied	Registration of a charge (395) (opens in a new tab)Statement of satisfaction of a charge in full or part (MG02) (opens in a new tab)
29 Mar 2001	Satisfied	Registration of a charge (395) (opens in a new tab)Statement of satisfaction of a charge in full or part (MG02) (opens in a new tab)
28 Apr 1999	Satisfied	Registration of a charge (395) (opens in a new tab)Statement of satisfaction of a charge in full or part (403a) (opens in a new tab)
26 May 1998	Satisfied	Registration of a charge (395) (opens in a new tab)Statement of satisfaction of a charge in full or part (403a) (opens in a new tab)
20 Feb 1998	Satisfied	Registration of a charge (395) (opens in a new tab)Statement of satisfaction of a charge in full or part (403a) (opens in a new tab)
05 Jun 1997	Satisfied	Registration of a charge (395) (opens in a new tab)Statement of satisfaction of a charge in full or part (403a) (opens in a new tab)
23 May 1984	Satisfied
23 May 1984	Satisfied	Statement of satisfaction of a charge in full or part (403a) (opens in a new tab)

Registers

Exemptions

No PSC exemptions are recorded for this company.

Legal Entity Identifier

Financial Conduct Authority

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