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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 5
  • 1
    Darby, Steven Matthew
    Born in October 1974
    Individual (4 offsprings)
    Officer
    icon of calendar 2008-04-01 ~ now
    OF - Director → CIF 0
  • 2
    Darby, Paul John
    Born in August 1976
    Individual (3 offsprings)
    Officer
    icon of calendar 2014-06-11 ~ now
    OF - Director → CIF 0
  • 3
    Darby, Kenneth David
    Born in November 1951
    Individual (3 offsprings)
    Officer
    icon of calendar 2014-06-11 ~ now
    OF - Director → CIF 0
  • 4
    Darby, Emma
    Individual (2 offsprings)
    Officer
    icon of calendar 2008-04-01 ~ now
    OF - Secretary → CIF 0
  • 5
    COMSTEAD (BUILDING SERVICES) LIMITED - 2004-02-13
    icon of address18-19, Century Park, Garrison Lane, Birmingham, England
    Active Corporate (4 parents, 1 offspring)
    Equity (Company account)
    767,345 GBP2024-03-31
    Person with significant control
    icon of calendar 2016-04-06 ~ now
    PE - Ownership of shares – 75% or moreCIF 0
Ceased 3
  • 1
    Darby, Peter
    Ductwork Fabricator born in April 1954
    Individual (1 offspring)
    Officer
    icon of calendar 2014-06-11 ~ 2020-05-29
    OF - Director → CIF 0
  • 2
    icon of addressCorner Chambers, 590a Kingsbury Road, Birmingham, West Midlands, England
    Active Corporate (2 parents)
    Equity (Company account)
    2 GBP2024-05-31
    Officer
    2008-04-01 ~ 2008-04-01
    PE - Director → CIF 0
  • 3
    icon of addressCorner Chambers, 590a Kingsbury Road, Birmingham, West Midlands, England
    Dissolved Corporate (2 parents, 2 offsprings)
    Equity (Company account)
    1 GBP2021-05-31
    Officer
    2008-04-01 ~ 2008-04-01
    PE - Secretary → CIF 0
parent relation
Company in focus

CALUMET SERVICES LIMITED

Standard Industrial Classification
43220 - Plumbing, Heat And Air-conditioning Installation
Brief company account
Property, Plant & Equipment
9,248 GBP2024-03-31
10,318 GBP2023-03-31
Debtors
785,186 GBP2024-03-31
1,163,173 GBP2023-03-31
Cash at bank and in hand
270,658 GBP2024-03-31
13,939 GBP2023-03-31
Current Assets
1,234,599 GBP2024-03-31
1,263,988 GBP2023-03-31
Creditors
Current, Amounts falling due within one year
-693,477 GBP2024-03-31
Net Current Assets/Liabilities
541,122 GBP2024-03-31
459,004 GBP2023-03-31
Total Assets Less Current Liabilities
550,370 GBP2024-03-31
469,322 GBP2023-03-31
Creditors
Non-current, Amounts falling due after one year
-13,333 GBP2024-03-31
Net Assets/Liabilities
534,725 GBP2024-03-31
445,989 GBP2023-03-31
Equity
Called up share capital
100 GBP2024-03-31
100 GBP2023-03-31
Retained earnings (accumulated losses)
534,625 GBP2024-03-31
445,889 GBP2023-03-31
Equity
534,725 GBP2024-03-31
445,989 GBP2023-03-31
Average Number of Employees
152023-04-01 ~ 2024-03-31
152022-04-01 ~ 2023-03-31
Intangible Assets - Gross Cost
Net goodwill
36,000 GBP2023-03-31
Intangible Assets - Accumulated Amortisation & Impairment
Net goodwill
36,000 GBP2023-03-31
Intangible Assets
Net goodwill
0 GBP2024-03-31
0 GBP2023-03-31
Property, Plant & Equipment - Gross Cost
Plant and equipment
16,111 GBP2024-03-31
16,111 GBP2023-03-31
Computers
5,760 GBP2024-03-31
4,519 GBP2023-03-31
Property, Plant & Equipment - Gross Cost
21,871 GBP2024-03-31
20,630 GBP2023-03-31
Property, Plant & Equipment - Accumulated Depreciation & Impairment
Plant and equipment
10,580 GBP2024-03-31
9,198 GBP2023-03-31
Computers
2,043 GBP2024-03-31
1,114 GBP2023-03-31
Property, Plant & Equipment - Accumulated Depreciation & Impairment
12,623 GBP2024-03-31
10,312 GBP2023-03-31
Property, Plant & Equipment - Increase From Depreciation Charge for Year
Plant and equipment
1,382 GBP2023-04-01 ~ 2024-03-31
Computers
929 GBP2023-04-01 ~ 2024-03-31
Property, Plant & Equipment - Increase From Depreciation Charge for Year
2,311 GBP2023-04-01 ~ 2024-03-31
Property, Plant & Equipment
Plant and equipment
5,531 GBP2024-03-31
6,913 GBP2023-03-31
Computers
3,717 GBP2024-03-31
3,405 GBP2023-03-31
Trade Debtors/Trade Receivables
Current
685,218 GBP2024-03-31
1,047,722 GBP2023-03-31
Amounts Owed By Related Parties
0 GBP2024-03-31
Current
991 GBP2023-03-31
Other Debtors
Amounts falling due within one year
99,968 GBP2024-03-31
114,460 GBP2023-03-31
Debtors
Current, Amounts falling due within one year
785,186 GBP2024-03-31
Amounts falling due within one year, Current
1,163,173 GBP2023-03-31
Bank Borrowings/Overdrafts
Current
8,333 GBP2024-03-31
8,333 GBP2023-03-31
Trade Creditors/Trade Payables
Current
488,838 GBP2024-03-31
605,428 GBP2023-03-31
Amounts owed to group undertakings
Current
66,509 GBP2024-03-31
0 GBP2023-03-31
Other Taxation & Social Security Payable
Current
25,845 GBP2024-03-31
71,254 GBP2023-03-31
Other Creditors
Current
103,952 GBP2024-03-31
119,969 GBP2023-03-31
Creditors
Current
693,477 GBP2024-03-31
804,984 GBP2023-03-31
Bank Borrowings/Overdrafts
Non-current
13,333 GBP2024-03-31
23,333 GBP2023-03-31

  • CALUMET SERVICES LIMITED
    Info
    Registered number 06551414
    icon of address18-19 Century Park, Garrison Lane, Birmingham, West Midlands B9 4NZ
    PRIVATE LIMITED COMPANY incorporated on 2008-04-01 (17 years 9 months). The company status is Active.
    The last date of confirmation statement was made at 2025-06-01
    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.