QH

QUADRO HARSTON LIMITED

Active

Company number 02015785

Cambridgeshire · Incorporated 30 April 1986

Harston Mill, Harston, Cambridge, Cambridgeshire, CB22 7GG

Last updated on 20 September 2026

Activities of other holding companies n.e.c. · SIC 64209

Other professional, scientific and technical activities n.e.c. · SIC 74909

Status
Active
Company age
40 years
Company type
Private limited
Accounts
Up to date

Company history

Previous company names

EQUALHOLD LIMITED · 30 April 1986 – 5 December 1986

GENERICS HOLDINGS CORPORATION LIMITED · 5 December 1986 – 17 July 1990

THE GENERICS GROUP LIMITED · 17 July 1990 – 20 October 2006

SAGENTIA GROUP LIMITED · 20 October 2006 – 17 March 2008

SAGENTIA HOLDINGS LIMITED · 17 March 2008 – 20 February 2014

SAGENTIA TECHNOLOGY ADVISORY LIMITED · 20 February 2014 – 23 June 2021

Company overview

QUADRO HARSTON LIMITED is a private limited company registered in England and Wales since its incorporation on 30 April 1986 and remains active on the register. It has changed its name 6 times, most recently from SAGENTIA TECHNOLOGY ADVISORY LIMITED on 20 February 2014. Its registered office is at Harston Mill, Harston, Cambridge, Cambridgeshire, CB22 7GG. Its principal activities are activities of other holding companies n.e.c. (SIC 64209) and other professional, scientific and technical activities n.e.c. (SIC 74909).

It is controlled by Science Group Plc, which holds 75-100% of the shares and voting rights and has the right to appoint and remove directors. The board consists of three British directors: COLE, Sarah Elizabeth (appointed 2 March 2011), EDWARDS, Daniel Robert Morgan (appointed 3 June 2014) and BRETT, Jonathan (appointed 23 July 2021). COLE, Sarah Elizabeth serves as company secretary (appointed 27 January 2014). The company has been served by 40 former officers who have since resigned.

Its regulatory record is clean, with no charges, no insolvency proceedings and no liquidation history. The company filed its most recent full accounts, covering the period to 31 December 2025, on 17 August 2026. The next accounts are due by 30 September 2027. Its most recent confirmation statement was made up to 11 July 2026. The next is due by 25 July 2027. 277 filings are recorded against the company at Companies House, most recently an accounts filing on 17 August 2026.

Compliance

Annual accounts Up to date
Last filed
31 December 2025
Next due
30 September 2027
13 months left
Confirmation statement Up to date
Last filed
11 July 2026
Next due
25 July 2027
11 months left

Financial snapshot

Last accounts type
Full
Period end
31 December 2025

Detailed figures (assets, liabilities, net worth) are available in the full credit report.

Capital table

Updated on 20 September 2026
  • SCIENCE GROUP PLC (100.0%)
Total shares
1
Nominal value
—
AI confidence
(—%)
Data quality
-

Shareholders

Shareholder Share class Shares Shareholding Votes Voting
SCIENCE GROUP PLC ORDINARY 1 100.00% 1 100.00%
Total 1 100% 1 100%

Officers

BJ
BRETT, Jonathan
Director
23 July 2021
ED
EDWARDS, Daniel Robert Morgan
Director
3 June 2014
CS
COLE, Sarah Elizabeth
Secretary
27 January 2014
CS
COLE, Sarah Elizabeth
Director
2 March 2011
VS
VOHRA, Sameet
Director · Resigned
11 January 2021
AR
ARCHER, Rebecca Anne
Director · Resigned
27 January 2014
EN
ELTON, Neil
Secretary · Resigned
2 August 2010
EN
ELTON, Neil Anthony
Director · Resigned
2 August 2010
HB
HUDSON, Brent Christopher
Director · Resigned
30 October 2009
MG
MCCARTHY, Guy Jonathan
Director · Resigned
3 August 2007
BA
BROWN, Alistair John Cameron, Dr
Director · Resigned
23 May 2007
FD
FLICOS, Daniel James
Director · Resigned
7 November 2006
TJ
TOWNSEND, John Gordon
Director · Resigned
18 October 2004
CM
CLARK, Mark Thomas
Director · Resigned
14 March 2003
DM
DANNATT, Margaret Anne, Dr
Director · Resigned
19 August 2002
LR
LEE, Robin Michael, Dr
Director · Resigned
12 April 2002
CM
CROSSFIELD, Michael, Dr
Director · Resigned
12 April 2002
GJ
GREAVES, John Richard Adam
Director · Resigned
12 April 2002
MR
MORLAND, Robert John
Director · Resigned
12 April 2002
CI
COLLINS, Ian Peter
Director · Resigned
1 December 2001
DS
DAVEY, Simon
Director · Resigned
23 October 2001
BH
BARRETT HAGUE, Helen Patricia
Secretary · Resigned
25 September 2001
SJ
SPARKES, Jonathan Winston
Director · Resigned
18 December 2000
HD
HINE, Duncan, Dr
Director · Resigned
8 May 2000
FM
FROST, Martin John
Director · Resigned
17 December 1997
KL
KYLBERG, Lars Vilhelm
Director · Resigned
20 March 1997
LP
LUDVIGSSON, Per Ake
Director · Resigned
22 February 1996
FD
FARMER, David
Secretary · Resigned
18 March 1993
PG
PEARCE GOULD, Rupert Anthony
Director · Resigned
10 August 1992
MR
MARAN, Roger
Secretary · Resigned
—
SG
SENENSIEB, Gideon Abraham
Director · Resigned
—
PU
PHADKE, Uday Prabmamar, Dr
Director · Resigned
—
FJ
FAIRCLOUGH, John Whitaker, Sir
Director · Resigned
—
MP
MOODY, Peter Brian
Director · Resigned
—
WM
WEBBER, Michael
Director · Resigned
—
LP
LAWSON, Peter Gerald
Director · Resigned
—
RG
RYLANDER, Gunnar
Director · Resigned
—
EG
EDGE, Gordon Malcolm
Director · Resigned
—
HP
HYDE, Peter John, Dr
Director · Resigned
—
PR
PETTIGREW, Robert Martin
Director · Resigned
—
CC
COGGILL, Christopher John
Director · Resigned
—

Persons with significant control

PS
Science Group Plc
Ownership Of Shares 75 To 100 Percent
Voting Rights 75 To 100 Percent
Right To Appoint And Remove Directors
6 April 2016

Funding

0 funding rounds

No funding rounds on record.

Filing history

Accounts With Accounts Type Full
Accounts
17 August 2026 View
Confirmation Statement With No Updates
Confirmation Statement
16 July 2026 View
Confirmation Statement With No Updates
Confirmation Statement
11 July 2025 View
Accounts With Accounts Type Full
Accounts
27 May 2025 View
Mortgage Create With Deed With Charge Number Charge Creation Date
Mortgage
21 March 2025 View
Mortgage Create With Deed With Charge Number Charge Creation Date
Mortgage
21 March 2025 View
Change Person Director Company With Change Date
Officers
5 February 2025 View
Memorandum Articles
Incorporation
27 January 2025 View
Mortgage Satisfy Charge Full
Mortgage
17 January 2025 View
Mortgage Satisfy Charge Full
Mortgage
17 January 2025 View
Mortgage Satisfy Charge Full
Mortgage
17 January 2025 View
Confirmation Statement With No Updates
Confirmation Statement
11 July 2024 View
Accounts With Accounts Type Full
Accounts
25 June 2024 View
Confirmation Statement With No Updates
Confirmation Statement
11 July 2023 View
Accounts With Accounts Type Full
Accounts
13 June 2023 View
Confirmation Statement With No Updates
Confirmation Statement
13 July 2022 View
Accounts With Accounts Type Full
Accounts
10 June 2022 View
Resolution
Resolution
26 January 2022 View
Mortgage Create With Deed With Charge Number Charge Creation Date
Mortgage
23 December 2021 View
Termination Director Company With Name Termination Date
Officers
13 August 2021 View
Mortgage Create With Deed With Charge Number Charge Creation Date
Mortgage
12 August 2021 View
Accounts With Accounts Type Full
Accounts
7 August 2021 View
Appoint Person Director Company With Name Date
Officers
26 July 2021 View
Confirmation Statement With Updates
Confirmation Statement
12 July 2021 View
Change Person Director Company With Change Date
Officers
23 June 2021 View
Resolution
Resolution
23 June 2021 View
Termination Director Company With Name Termination Date
Officers
12 April 2021 View
Legacy
Capital
9 March 2021 View
Capital Statement Capital Company With Date Currency Figure
Capital
9 March 2021 View
Legacy
Insolvency
9 March 2021 View
Resolution
Resolution
9 March 2021 View
Appoint Person Director Company With Name Date
Officers
12 January 2021 View
Accounts With Accounts Type Full
Accounts
23 September 2020 View
Confirmation Statement With No Updates
Confirmation Statement
13 July 2020 View
Accounts With Accounts Type Full
Accounts
13 August 2019 View
Confirmation Statement With No Updates
Confirmation Statement
11 July 2019 View
Accounts With Accounts Type Full
Accounts
20 September 2018 View
Confirmation Statement With No Updates
Confirmation Statement
12 July 2018 View
Change Person Director Company With Change Date
Officers
5 January 2018 View
Change Person Director Company With Change Date
Officers
6 November 2017 View
Accounts With Accounts Type Full
Accounts
29 September 2017 View
Confirmation Statement With No Updates
Confirmation Statement
11 July 2017 View
Change Person Director Company With Change Date
Officers
19 May 2017 View
Accounts With Accounts Type Full
Accounts
29 September 2016 View
Confirmation Statement With Updates
Confirmation Statement
13 July 2016 View
Change Person Director Company With Change Date
Officers
7 June 2016 View
Change Person Director Company With Change Date
Officers
8 September 2015 View
Annual Return Company With Made Up Date Full List Shareholders
Annual Return
13 July 2015 View
Accounts With Accounts Type Full
Accounts
25 June 2015 View
Change Person Director Company With Change Date
Officers
26 February 2015 View
Accounts With Accounts Type Full
Accounts
8 October 2014 View
Annual Return Company With Made Up Date Full List Shareholders
Annual Return
11 July 2014 View
Appoint Person Director Company With Name
Officers
4 June 2014 View
Certificate Change Of Name Company
Change Of Name
20 February 2014 View
Termination Director Company With Name
Officers
14 February 2014 View
Appoint Person Secretary Company With Name
Officers
10 February 2014 View
Termination Secretary Company With Name
Officers
10 February 2014 View
Appoint Person Director Company With Name
Officers
10 February 2014 View
Accounts With Accounts Type Full
Accounts
25 September 2013 View
Annual Return Company With Made Up Date Full List Shareholders
Annual Return
12 July 2013 View
Change Person Director Company With Change Date
Officers
28 December 2012 View
Termination Director Company With Name
Officers
14 November 2012 View
Accounts With Accounts Type Full
Accounts
3 October 2012 View
Annual Return Company With Made Up Date Full List Shareholders
Annual Return
12 July 2012 View
Accounts With Accounts Type Full
Accounts
6 October 2011 View
Annual Return Company With Made Up Date Full List Shareholders
Annual Return
18 July 2011 View
Appoint Person Director Company With Name
Officers
7 March 2011 View
Legacy
Mortgage
30 November 2010 View
Appoint Person Director Company With Name
Officers
5 August 2010 View
Appoint Person Secretary Company With Name
Officers
5 August 2010 View
Termination Director Company With Name
Officers
4 August 2010 View
Termination Secretary Company With Name
Officers
4 August 2010 View
Annual Return Company With Made Up Date Full List Shareholders
Annual Return
15 July 2010 View
Accounts With Accounts Type Full
Accounts
14 June 2010 View
Termination Director Company With Name
Officers
2 November 2009 View
Appoint Person Director Company With Name
Officers
2 November 2009 View
Accounts With Accounts Type Full
Accounts
1 August 2009 View
Legacy
Annual Return
20 July 2009 View
Legacy
Officers
15 May 2009 View
Accounts With Accounts Type Full
Accounts
8 August 2008 View
Legacy
Annual Return
7 August 2008 View
Legacy
Officers
17 July 2008 View
Legacy
Officers
29 April 2008 View
Legacy
Officers
29 April 2008 View
Certificate Change Of Name Company
Change Of Name
17 March 2008 View
Auditors Resignation Company
Auditors
4 February 2008 View
Legacy
Officers
6 December 2007 View
Accounts With Accounts Type Full
Accounts
19 October 2007 View
Auditors Resignation Company
Auditors
15 August 2007 View
Legacy
Officers
15 August 2007 View
Legacy
Annual Return
8 August 2007 View
Legacy
Address
8 August 2007 View
Legacy
Address
8 August 2007 View
Legacy
Address
8 August 2007 View
Legacy
Officers
5 June 2007 View
Legacy
Officers
5 June 2007 View
Legacy
Officers
18 May 2007 View
Legacy
Officers
15 November 2006 View
Legacy
Officers
13 November 2006 View
Memorandum Articles
Incorporation
10 November 2006 View
Resolution
Resolution
30 October 2006 View
Resolution
Resolution
30 October 2006 View
Certificate Change Of Name Company
Change Of Name
20 October 2006 View
Accounts With Accounts Type Full
Accounts
9 August 2006 View
Legacy
Annual Return
8 August 2006 View
Legacy
Officers
8 August 2006 View
Legacy
Officers
8 August 2006 View
Legacy
Officers
27 June 2006 View
Legacy
Mortgage
23 June 2006 View
Accounts With Accounts Type Group
Accounts
28 December 2005 View
Legacy
Annual Return
11 August 2005 View
Legacy
Officers
26 April 2005 View
Accounts With Accounts Type Group
Accounts
17 January 2005 View
Legacy
Officers
25 October 2004 View
Legacy
Annual Return
16 July 2004 View
Legacy
Capital
12 May 2004 View
Legacy
Capital
12 May 2004 View
Resolution
Resolution
12 May 2004 View
Resolution
Resolution
12 May 2004 View
Resolution
Resolution
12 May 2004 View
Legacy
Officers
6 November 2003 View
Legacy
Officers
21 October 2003 View
Legacy
Officers
21 October 2003 View
Legacy
Officers
21 October 2003 View
Legacy
Officers
21 October 2003 View
Legacy
Annual Return
16 August 2003 View
Legacy
Officers
11 August 2003 View
Legacy
Officers
11 August 2003 View
Accounts With Accounts Type Group
Accounts
27 April 2003 View
Legacy
Officers
24 March 2003 View
Legacy
Officers
24 March 2003 View
Legacy
Officers
5 December 2002 View
Legacy
Officers
27 November 2002 View
Legacy
Officers
15 October 2002 View
Legacy
Officers
8 October 2002 View
Accounts With Accounts Type Group
Accounts
4 October 2002 View
Legacy
Officers
16 August 2002 View
Legacy
Annual Return
30 July 2002 View
Legacy
Officers
30 July 2002 View
Legacy
Officers
13 June 2002 View
Legacy
Officers
17 April 2002 View
Legacy
Officers
17 April 2002 View
Legacy
Officers
17 April 2002 View
Legacy
Officers
17 April 2002 View
Legacy
Officers
17 April 2002 View
Legacy
Officers
16 November 2001 View
Legacy
Officers
9 October 2001 View
Legacy
Officers
9 October 2001 View
Accounts With Accounts Type Group
Accounts
5 October 2001 View
Legacy
Annual Return
25 July 2001 View
Legacy
Capital
24 July 2001 View
Legacy
Officers
5 March 2001 View
Legacy
Officers
23 January 2001 View
Legacy
Officers
19 January 2001 View
Legacy
Address
29 December 2000 View
Legacy
Mortgage
15 November 2000 View
Accounts With Accounts Type Full Group
Accounts
30 October 2000 View
Legacy
Officers
6 October 2000 View
Legacy
Officers
6 October 2000 View
Legacy
Officers
6 October 2000 View
Legacy
Annual Return
1 August 2000 View
Legacy
Mortgage
14 July 2000 View
Legacy
Officers
16 May 2000 View
Legacy
Capital
7 January 2000 View
Legacy
Officers
7 January 2000 View
Legacy
Annual Return
10 August 1999 View
Accounts With Accounts Type Full Group
Accounts
24 June 1999 View
Legacy
Capital
26 April 1999 View
Legacy
Officers
10 April 1999 View
Certificate Re Registration Public Limited Company To Private
Change Of Name
12 November 1998 View
Re Registration Memorandum Articles
Incorporation
12 November 1998 View
Legacy
Reregistration
12 November 1998 View
Resolution
Resolution
12 November 1998 View
Resolution
Resolution
12 November 1998 View
Legacy
Officers
10 August 1998 View
Legacy
Annual Return
27 July 1998 View
Accounts With Accounts Type Full Group
Accounts
6 July 1998 View
Legacy
Officers
3 February 1998 View
Legacy
Capital
3 February 1998 View
Legacy
Mortgage
7 November 1997 View
Legacy
Officers
10 September 1997 View
Legacy
Officers
10 September 1997 View
Accounts With Accounts Type Full Group
Accounts
29 July 1997 View
Legacy
Annual Return
17 July 1997 View
Legacy
Officers
27 May 1997 View
Memorandum Articles
Incorporation
27 January 1997 View
Resolution
Resolution
27 January 1997 View
Legacy
Mortgage
27 November 1996 View
Legacy
Mortgage
7 October 1996 View
Legacy
Annual Return
22 July 1996 View
Legacy
Officers
10 July 1996 View
Legacy
Capital
8 July 1996 View
Legacy
Capital
8 July 1996 View
Accounts With Accounts Type Full Group
Accounts
4 July 1996 View
Legacy
Officers
5 March 1996 View
Legacy
Officers
5 March 1996 View
Legacy
Officers
5 March 1996 View
Legacy
Officers
5 March 1996 View
Legacy
Officers
9 November 1995 View
Legacy
Annual Return
3 August 1995 View
Accounts With Accounts Type Full Group
Accounts
19 July 1995 View
Legacy
Address
31 May 1995 View
Legacy
Mortgage
9 March 1995 View
Legacy
Officers
30 January 1995 View
Selection Of Mortgage Documents Registered Before January 1995
Historical
1 January 1995 View
Selection Of Documents Registered Before January 1995
Historical
1 January 1995 View
Legacy
Annual Return
10 August 1994 View
Accounts With Accounts Type Full Group
Accounts
28 July 1994 View
Legacy
Officers
8 September 1993 View
Legacy
Annual Return
20 August 1993 View
Accounts With Accounts Type Full Group
Accounts
23 July 1993 View
Legacy
Officers
31 March 1993 View
Legacy
Officers
7 September 1992 View
Legacy
Annual Return
25 August 1992 View
Accounts With Accounts Type Full Group
Accounts
30 July 1992 View
Legacy
Officers
23 June 1992 View
Legacy
Officers
16 April 1992 View
Legacy
Officers
13 February 1992 View
Legacy
Officers
6 February 1992 View
Legacy
Mortgage
2 January 1992 View
Accounts With Accounts Type Full
Accounts
21 August 1991 View
Legacy
Annual Return
21 August 1991 View
Legacy
Officers
12 April 1991 View
Legacy
Officers
12 April 1991 View
Legacy
Officers
21 January 1991 View
Accounts With Accounts Type Full Group
Accounts
3 October 1990 View
Legacy
Annual Return
3 October 1990 View
Legacy
Officers
3 October 1990 View
Memorandum Articles
Incorporation
24 August 1990 View
Resolution
Resolution
18 July 1990 View
Certificate Change Of Name Re Registration Private To Public Limited Company
Change Of Name
18 July 1990 View
Legacy
Reregistration
17 July 1990 View
Accounts Balance Sheet
Accounts
17 July 1990 View
Auditors Statement
Auditors
17 July 1990 View
Auditors Report
Auditors
17 July 1990 View
Re Registration Memorandum Articles
Incorporation
17 July 1990 View
Legacy
Reregistration
17 July 1990 View
Legacy
Capital
13 March 1990 View
Legacy
Capital
13 March 1990 View
Legacy
Capital
2 March 1990 View
Legacy
Officers
26 February 1990 View
Resolution
Resolution
22 January 1990 View
Accounts With Accounts Type Full Group
Accounts
30 August 1989 View
Legacy
Annual Return
30 August 1989 View
Legacy
Officers
28 July 1989 View
Legacy
Capital
13 July 1989 View
Legacy
Officers
31 January 1989 View
Accounts With Accounts Type Full Group
Accounts
5 September 1988 View
Legacy
Annual Return
18 August 1988 View
Legacy
Capital
27 July 1988 View
Legacy
Officers
12 May 1988 View
Legacy
Capital
9 May 1988 View
Legacy
Capital
13 April 1988 View
Legacy
Officers
12 April 1988 View
Legacy
Officers
4 March 1988 View
Legacy
Capital
22 February 1988 View
Legacy
Officers
16 February 1988 View
Legacy
Capital
17 November 1987 View
Legacy
Capital
17 November 1987 View
Legacy
Capital
17 November 1987 View
Accounts With Accounts Type Full
Accounts
2 November 1987 View
Legacy
Annual Return
2 November 1987 View
Legacy
Officers
29 October 1987 View
Legacy
Officers
29 October 1987 View
Legacy
Officers
24 March 1987 View
Legacy
Accounts
12 March 1987 View
Legacy
Officers
5 February 1987 View
Legacy
Address
28 January 1987 View
Legacy
Officers
27 January 1987 View
Selection Of Documents Registered Before January 1987
Historical
1 January 1987 View
Legacy
Gazette
31 December 1986 View
Certificate Change Of Name Company
Change Of Name
5 December 1986 View
Legacy
Officers
2 December 1986 View
Legacy
Officers
27 November 1986 View
Legacy
Officers
27 November 1986 View
Legacy
Officers
18 November 1986 View
Incorporation Company
Incorporation
30 April 1986 View

Risk at a glance

  • Company active
  • Accounts up to date
  • Confirmation statement up to date
  • No insolvency history
  • No registered charges
  • Credit score
  • Recommended limit
  • Payment risk

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