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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.

Jump to: Company in focus, Offsprings
Parent entities and officers 6
  • 1
    Marshall, Elizabeth Marie
    Director born in January 1999
    Individual (2 offsprings)
    Officer
    2019-03-27 ~ 2022-11-16
    OF - Director → CIF 0
  • 2
    Marshall, Beryl
    Administrator born in December 1943
    Individual (1 offspring)
    Officer
    (before 1991-12-31) ~ 2008-07-31
    OF - Director → CIF 0
    Marshall, Beryl
    Individual (1 offspring)
    Officer
    (before 1991-12-31) ~ 2008-07-31
    OF - Secretary → CIF 0
  • 3
    Marshall, Paul Stuart
    Born in December 1966
    Individual (6 offsprings)
    Officer
    1996-08-01 ~ now
    OF - Director → CIF 0
    Mr Paul Stuart Marshall
    Born in December 1966
    Individual (6 offsprings)
    Person with significant control
    2016-12-01 ~ now
    PE - Ownership of shares – 75% or more → CIF 0
  • 4
    Wales, Bernard David
    Entrepreneur born in November 1958
    Individual (179 offsprings)
    Officer
    2007-10-30 ~ 2009-04-29
    OF - Director → CIF 0
    Wales, Bernard David
    Individual (179 offsprings)
    Officer
    2008-08-01 ~ 2009-04-29
    OF - Secretary → CIF 0
  • 5
    Marshall, David
    Engineer born in June 1941
    Individual (1 offspring)
    Officer
    (before 1991-12-31) ~ 2000-04-10
    OF - Director → CIF 0
  • 6
    Marshall, Frances Mary
    Born in July 1964
    Individual (3 offsprings)
    Officer
    2008-08-01 ~ now
    OF - Director → CIF 0
parent relation
Company in focus

UNBLOC DRAINAGE ENGINEERS LIMITED

Period: 1982-02-10 ~ now
Company number: 01456790
Registered names
UNBLOC DRAINAGE ENGINEERS LIMITED - now
Standard Industrial Classification
37000 - Sewerage
Brief company account
Property, Plant & Equipment
842,855 GBP2025-07-31
595,754 GBP2024-07-31
Fixed Assets - Investments
747,929 GBP2025-07-31
626,917 GBP2024-07-31
Fixed Assets
1,590,784 GBP2025-07-31
1,222,671 GBP2024-07-31
Debtors
1,240,632 GBP2025-07-31
1,061,944 GBP2024-07-31
Cash at bank and in hand
375,316 GBP2025-07-31
275,848 GBP2024-07-31
Current Assets
1,639,448 GBP2025-07-31
1,361,292 GBP2024-07-31
Net Current Assets/Liabilities
667,366 GBP2025-07-31
489,637 GBP2024-07-31
Total Assets Less Current Liabilities
2,258,150 GBP2025-07-31
1,712,308 GBP2024-07-31
Creditors
Non-current
-683,988 GBP2025-07-31
-254,147 GBP2024-07-31
Net Assets/Liabilities
1,407,987 GBP2025-07-31
1,362,431 GBP2024-07-31
Equity
Called up share capital
100 GBP2025-07-31
100 GBP2024-07-31
Retained earnings (accumulated losses)
1,407,887 GBP2025-07-31
1,362,331 GBP2024-07-31
Equity
1,407,987 GBP2025-07-31
1,362,431 GBP2024-07-31
Average Number of Employees
612024-08-01 ~ 2025-07-31
612023-08-01 ~ 2024-07-31
Property, Plant & Equipment - Gross Cost
Other
2,252,708 GBP2025-07-31
1,718,960 GBP2024-07-31
Property, Plant & Equipment - Other Disposals
Other
-26,688 GBP2024-08-01 ~ 2025-07-31
Property, Plant & Equipment - Accumulated Depreciation & Impairment
Other
1,409,853 GBP2025-07-31
1,123,206 GBP2024-07-31
Property, Plant & Equipment - Increase From Depreciation Charge for Year
Other
309,346 GBP2024-08-01 ~ 2025-07-31
Property, Plant & Equipment - Other Disposals/Decrease in Depreciation & Impairment
Other
-22,699 GBP2024-08-01 ~ 2025-07-31
Property, Plant & Equipment
Other
842,855 GBP2025-07-31
595,754 GBP2024-07-31
Investments in group undertakings and participating interests
747,929 GBP2025-07-31
626,917 GBP2024-07-31
Trade Debtors/Trade Receivables
Current
882,304 GBP2025-07-31
729,104 GBP2024-07-31
Amounts Owed By Related Parties
0 GBP2025-07-31
Current
112,342 GBP2024-07-31
Other Debtors
Current, Amounts falling due within one year
358,328 GBP2025-07-31
220,498 GBP2024-07-31
Debtors
Current, Amounts falling due within one year
1,240,632 GBP2025-07-31
1,061,944 GBP2024-07-31
Bank Borrowings/Overdrafts
Current
226,787 GBP2025-07-31
250,077 GBP2024-07-31
Trade Creditors/Trade Payables
Current
142,227 GBP2025-07-31
171,518 GBP2024-07-31
Amounts owed to group undertakings
Current
50,757 GBP2025-07-31
0 GBP2024-07-31
Corporation Tax Payable
Current
0 GBP2025-07-31
37,193 GBP2024-07-31
Other Taxation & Social Security Payable
Current
272,866 GBP2025-07-31
269,514 GBP2024-07-31
Other Creditors
Current
279,445 GBP2025-07-31
143,353 GBP2024-07-31
Bank Borrowings/Overdrafts
Non-current
363,490 GBP2025-07-31
84,080 GBP2024-07-31
Other Creditors
Non-current
320,498 GBP2025-07-31
170,067 GBP2024-07-31
Par Value of Share
Class 1 ordinary share
1 GBP2024-08-01 ~ 2025-07-31
Number of Shares Issued (Fully Paid)
Class 1 ordinary share
100 shares2025-07-31
100 shares2024-07-31
Related profiles found in government register
  • UNBLOC DRAINAGE ENGINEERS LIMITED
    Info
    DAVID MARSHALL HEATING LIMITED - 1982-02-10
    DAVID MARSHALL DRAINAGE LIMITED - 1982-02-10
    Registered number 01456790
    Unit 4 Trade City Lyon Way, Frimley, Surrey GU16 7AL
    PRIVATE LIMITED COMPANY incorporated on 1979-10-25 (46 years 6 months). The status of the company number is Active.
    The last date of confirmation statement was made at 2025-12-20
    CIF 0
  • UNBLOC DRAINAGE ENGINEERS LIMITED
    S
    Registered number 01456790
    Unit 4, Lyon Way, Frimley, Camberley, England, GU16 7AL
    Limited Company in England
    CIF 1
  • UNBLOC DRAINAGE ENGINEERS LIMITED
    S
    Registered number 01456790
    Unit 4, Trade City Lyon Way, Frimley, Surrey, United Kingdom, GU16 7AL
    Limited in Companies House, United Kingdom
    CIF 2
child relation
Offspring entities and appointments 2
  • 1
    DRAIN SERVICES LIMITED
    03199803
    Unit 4 Trade City Lyon Way, Frimley, Surrey, United Kingdom
    Active Corporate (10 parents)
    Person with significant control
    2016-04-06 ~ now
    CIF 1 - Ownership of voting rights - 75% or more → OE
    CIF 1 - Ownership of shares – 75% or more → OE
  • 2
    UNBLOC DRAIN SERVICES LIMITED
    09265898
    Unit 4 Trade City Lyon Way, Frimley, Surrey, United Kingdom
    Active Corporate (3 parents)
    Person with significant control
    2022-07-05 ~ now
    CIF 2 - Ownership of voting rights - 75% or more → OE
    CIF 2 - Ownership of shares – 75% or more → OE
    CIF 2 - Right to appoint or remove directors → OE

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