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The above diagram shows the color scheme of the layout in the main result page. The parent entities and officers are those entities, including individual and legal persons, have significant controls over the company in focus. The offspring entities and appointments are those entities that the company in focus can influence on.

Clicking the links on parent entities or officers, and offspring entities or managed companies will put them in focus and show upstream or downstream connections. In general, ascendant entities can be found by moving toward upstream, and descendant entities are by toward downstream. In this way, progenitor entities such as grandparent companies (parents of parent), sibling companies (children of parent), partner companies (parents of child), and progeny entities such as grandchild companies (children of child) can be found easily.

Parent entities and officers
Active 2
  • 1
    Rothwell, Michael
    Born in December 1966
    Individual (4 offsprings)
    Officer
    icon of calendar 1997-12-18 ~ now
    OF - Director → CIF 0
  • 2
    Harrison, Ian Michael
    Born in May 1962
    Individual (3 offsprings)
    Officer
    icon of calendar 2002-02-01 ~ now
    OF - Director → CIF 0
Ceased 5
  • 1
    Lindsey, Julia Isabel
    Individual
    Officer
    icon of calendar 1997-12-18 ~ 2002-03-01
    OF - Secretary → CIF 0
  • 2
    Todd, Andrew William
    Individual (5 offsprings)
    Officer
    icon of calendar 1997-12-18 ~ 1997-12-18
    OF - Secretary → CIF 0
  • 3
    Mr Michael Rothwell
    Born in December 1966
    Individual (4 offsprings)
    Person with significant control
    icon of calendar 2016-04-06 ~ 2016-04-06
    PE - Has significant influence or controlCIF 0
  • 4
    DUX (COMPANY SECRETARY) LIMITED - now
    HAINES WATTS BERKHAMSTED (COMPANY SECRETARY) LIMITED - 2024-06-26
    icon of address4, Claridge Court, Lower Kings Road, Berkhamsted, Hertfordshire, United Kingdom
    Active Corporate (1 parent, 11 offsprings)
    Equity (Company account)
    1 GBP2024-03-31
    Officer
    2013-02-01 ~ 2020-07-01
    PE - Secretary → CIF 0
  • 5
    PLUMECLASS LIMITED - 1980-12-31
    icon of address134, Regis House, 134 Percival Road, Enfield, Middlesex, United Kingdom
    Active Corporate (1 parent, 126 offsprings)
    Equity (Company account)
    99 GBP2024-03-31
    Officer
    2002-03-01 ~ 2013-02-01
    PE - Nominee Secretary → CIF 0
    PE - Nominee Secretary → CIF 0
parent relation
Company in focus

MERCURY SECURITY SYSTEMS LTD

Standard Industrial Classification
84250 - Fire Service Activities
80200 - Security Systems Service Activities
43210 - Electrical Installation
25120 - Manufacture Of Doors And Windows Of Metal
Brief company account
Intangible Assets
1,333 GBP2024-09-30
3,333 GBP2023-09-30
Property, Plant & Equipment
13,287 GBP2024-09-30
18,015 GBP2023-09-30
Fixed Assets
14,620 GBP2024-09-30
21,348 GBP2023-09-30
Total Inventories
471,580 GBP2024-09-30
422,580 GBP2023-09-30
Debtors
1,246,204 GBP2024-09-30
1,088,597 GBP2023-09-30
Cash at bank and in hand
46,107 GBP2024-09-30
191 GBP2023-09-30
Current Assets
1,763,891 GBP2024-09-30
1,511,368 GBP2023-09-30
Creditors
-1,733,625 GBP2024-09-30
-1,456,293 GBP2023-09-30
Net Current Assets/Liabilities
30,266 GBP2024-09-30
55,075 GBP2023-09-30
Total Assets Less Current Liabilities
44,886 GBP2024-09-30
76,423 GBP2023-09-30
Creditors
Non-current
-30,000 GBP2024-09-30
-60,000 GBP2023-09-30
Net Assets/Liabilities
11,564 GBP2024-09-30
11,919 GBP2023-09-30
Equity
Called up share capital
4 GBP2024-09-30
4 GBP2023-09-30
Retained earnings (accumulated losses)
11,560 GBP2024-09-30
11,915 GBP2023-09-30
Average Number of Employees
362023-10-01 ~ 2024-09-30
342022-10-01 ~ 2023-09-30
Intangible Assets - Gross Cost
6,000 GBP2024-09-30
6,000 GBP2023-09-30
Intangible Assets - Accumulated Amortisation & Impairment
4,667 GBP2024-09-30
2,667 GBP2023-09-30
Intangible Assets - Increase From Amortisation Charge for Year
2,000 GBP2023-10-01 ~ 2024-09-30
Property, Plant & Equipment - Gross Cost
307,897 GBP2024-09-30
306,927 GBP2023-09-30
Property, Plant & Equipment - Accumulated Depreciation & Impairment
294,610 GBP2024-09-30
288,912 GBP2023-09-30
Property, Plant & Equipment - Increase From Depreciation Charge for Year
5,698 GBP2023-10-01 ~ 2024-09-30
Future Minimum Lease Payments Under Non-cancellable Operating Leases
Amounts falling due within one year
25,082 GBP2024-09-30
39,704 GBP2023-09-30
Between one and five year
25,081 GBP2023-09-30
Future Minimum Lease Payments Under Non-cancellable Operating Leases
25,082 GBP2024-09-30
64,785 GBP2023-09-30

  • MERCURY SECURITY SYSTEMS LTD
    Info
    Registered number 03482926
    icon of address9 Bridgegate Centre, Martinfield, Welwyn Garden City, Hertfordshire AL7 1JG
    PRIVATE LIMITED COMPANY incorporated on 1997-12-18 (28 years). The company status is Active.
    The last date of confirmation statement was made at 2025-06-30
    CIF 0
child relation
Offspring entities and appointments
Active 0
  • Not found in our database.

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Contains public sector information retrieved at 12 November 2025 and licensed under the Open Government Licence v3.0.