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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 7
  • 1
    Arnold, Ian
    Born in April 1973
    Individual (2 offsprings)
    Officer
    2025-03-04 ~ now
    OF - Director → CIF 0
  • 2
    Urquhart, John
    Engineer born in September 1948
    Individual (1 offspring)
    Officer
    2004-02-16 ~ 2019-06-01
    OF - Director → CIF 0
    Mr John Urquhart
    Born in September 1948
    Individual (1 offspring)
    Person with significant control
    2016-08-24 ~ 2019-08-26
    PE - Ownership of shares – More than 25% but not more than 50%CIF 0
  • 3
    Urquhart, Ann
    Born in August 1951
    Individual (1 offspring)
    Officer
    2004-02-16 ~ now
    OF - Director → CIF 0
    Urquhart, Ann
    Director
    Individual (1 offspring)
    Officer
    2004-02-16 ~ 2015-06-02
    OF - Secretary → CIF 0
    Mrs Ann Urquhart
    Born in August 1951
    Individual (1 offspring)
    Person with significant control
    2016-08-24 ~ now
    PE - Ownership of shares – 75% or moreCIF 0
  • 4
    Urquhart, Kevin
    Born in May 1974
    Individual (6 offsprings)
    Officer
    2025-03-04 ~ now
    OF - Director → CIF 0
  • 5
    Urquhart-arnold, Joanne
    Born in April 1973
    Individual (3 offsprings)
    Officer
    2025-03-04 ~ now
    OF - Director → CIF 0
  • 6
    CASTLEFIELD NOMINEES LIMITED - now
    ENERGIZE DIRECTOR LIMITED
    - 2007-11-19 03146689
    31 Buxton Road, Stockport, Cheshire
    Dissolved Corporate (4 parents, 2998 offsprings)
    Officer
    2004-02-13 ~ 2004-02-13
    OF - Nominee Director → CIF 0
  • 7
    CASTLEFIELD SECRETARIES LIMITED - now
    ENERGIZE SECRETARY LIMITED
    - 2007-11-19 03146690
    31 Buxton Road, Stockport, Cheshire
    Active Corporate (8 parents, 3237 offsprings)
    Officer
    2004-02-13 ~ 2004-02-13
    OF - Nominee Secretary → CIF 0
parent relation
Company in focus

PROTOCOL ENGINEERING LIMITED

Period: 2004-02-13 ~ now
Company number: 05044164
Registered name
PROTOCOL ENGINEERING LIMITED - now
Standard Industrial Classification
25990 - Manufacture Of Other Fabricated Metal Products N.e.c.
Brief company account
Fixed Assets
64,974 GBP2025-05-31
64,879 GBP2024-05-31
Current Assets
123,166 GBP2025-05-31
179,011 GBP2024-05-31
Creditors
Amounts falling due within one year
-63,853 GBP2025-05-31
-90,355 GBP2024-05-31
Net Current Assets/Liabilities
59,313 GBP2025-05-31
88,656 GBP2024-05-31
Total Assets Less Current Liabilities
124,287 GBP2025-05-31
153,535 GBP2024-05-31
Creditors
Amounts falling due after one year
-2,743 GBP2025-05-31
-12,431 GBP2024-05-31
Net Assets/Liabilities
121,544 GBP2025-05-31
141,104 GBP2024-05-31
Equity
121,544 GBP2025-05-31
141,104 GBP2024-05-31
Average Number of Employees
52024-06-01 ~ 2025-05-31
52023-06-01 ~ 2024-05-31

  • PROTOCOL ENGINEERING LIMITED
    Info
    Registered number 05044164
    17 Stanelaw Way, Tanfield Lea Industrial Estate, Stanley, County Durham DH9 9XB
    PRIVATE LIMITED COMPANY incorporated on 2004-02-13 (22 years 1 month). The status of the company number is Active.
    The last date of confirmation statement was made at 2025-08-24
    CIF 0
child relation
Offspring entities and appointments 0
  • Not found in our database.

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Contains public sector information retrieved at 22 March 2026 and licensed under the Open Government Licence v3.0.