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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 8
  • 1
    Darby, Peter
    Ductwork Fabricator born in April 1954
    Individual (4 offsprings)
    Officer
    2014-06-11 ~ 2020-05-29
    OF - Director → CIF 0
  • 2
    Darby, Emma
    Individual (2 offsprings)
    Officer
    2008-04-01 ~ now
    OF - Secretary → CIF 0
  • 3
    Darby, Kenneth David
    Born in November 1951
    Individual (4 offsprings)
    Officer
    2014-06-11 ~ now
    OF - Director → CIF 0
  • 4
    Darby, Paul John
    Born in August 1976
    Individual (3 offsprings)
    Officer
    2014-06-11 ~ now
    OF - Director → CIF 0
  • 5
    Darby, Steven Matthew
    Born in October 1974
    Individual (4 offsprings)
    Officer
    2008-04-01 ~ now
    OF - Director → CIF 0
  • 6
    COMSTEAD (MECHANICAL SERVICES) LIMITED
    - now 05040718
    COMSTEAD (BUILDING SERVICES) LIMITED - 2004-02-13
    18-19, Century Park, Garrison Lane, Birmingham, England
    Active Corporate (8 parents, 1 offspring)
    Person with significant control
    2016-04-06 ~ now
    PE - Ownership of shares – 75% or moreCIF 0
  • 7
    CENTRAL SECRETARIES LIMITED
    03987684
    Corner Chambers, 590a Kingsbury Road, Birmingham, West Midlands, England
    Dissolved Corporate (6 parents, 1184 offsprings)
    Officer
    2008-04-01 ~ 2008-04-01
    OF - Secretary → CIF 0
  • 8
    CENTRAL DIRECTORS LIMITED
    03987504
    Corner Chambers, 590a Kingsbury Road, Birmingham, West Midlands, England
    Active Corporate (8 parents, 1211 offsprings)
    Officer
    2008-04-01 ~ 2008-04-01
    OF - Director → CIF 0
parent relation
Company in focus

CALUMET SERVICES LIMITED

Period: 2008-04-01 ~ now
Company number: 06551414
Registered name
CALUMET SERVICES LIMITED - now
Standard Industrial Classification
43220 - Plumbing, Heat And Air-conditioning Installation
Brief company account
Property, Plant & Equipment
9,835 GBP2025-03-31
9,248 GBP2024-03-31
Debtors
670,849 GBP2025-03-31
785,186 GBP2024-03-31
Cash at bank and in hand
903,199 GBP2025-03-31
270,658 GBP2024-03-31
Current Assets
1,770,956 GBP2025-03-31
1,234,599 GBP2024-03-31
Net Current Assets/Liabilities
614,776 GBP2025-03-31
541,122 GBP2024-03-31
Total Assets Less Current Liabilities
624,611 GBP2025-03-31
550,370 GBP2024-03-31
Net Assets/Liabilities
620,486 GBP2025-03-31
534,725 GBP2024-03-31
Equity
Called up share capital
100 GBP2025-03-31
100 GBP2024-03-31
Retained earnings (accumulated losses)
620,386 GBP2025-03-31
534,625 GBP2024-03-31
Equity
620,486 GBP2025-03-31
534,725 GBP2024-03-31
Average Number of Employees
152024-04-01 ~ 2025-03-31
152023-04-01 ~ 2024-03-31
Intangible Assets - Gross Cost
Net goodwill
36,000 GBP2024-03-31
Intangible Assets - Accumulated Amortisation & Impairment
Net goodwill
36,000 GBP2024-03-31
Intangible Assets
Net goodwill
0 GBP2025-03-31
0 GBP2024-03-31
Property, Plant & Equipment - Gross Cost
Plant and equipment
16,111 GBP2025-03-31
16,111 GBP2024-03-31
Computers
8,805 GBP2025-03-31
5,760 GBP2024-03-31
Property, Plant & Equipment - Gross Cost
24,916 GBP2025-03-31
21,871 GBP2024-03-31
Property, Plant & Equipment - Accumulated Depreciation & Impairment
Plant and equipment
11,687 GBP2025-03-31
10,580 GBP2024-03-31
Computers
3,394 GBP2025-03-31
2,043 GBP2024-03-31
Property, Plant & Equipment - Accumulated Depreciation & Impairment
15,081 GBP2025-03-31
12,623 GBP2024-03-31
Property, Plant & Equipment - Increase From Depreciation Charge for Year
Plant and equipment
1,107 GBP2024-04-01 ~ 2025-03-31
Computers
1,351 GBP2024-04-01 ~ 2025-03-31
Property, Plant & Equipment - Increase From Depreciation Charge for Year
2,458 GBP2024-04-01 ~ 2025-03-31
Property, Plant & Equipment
Plant and equipment
4,424 GBP2025-03-31
5,531 GBP2024-03-31
Computers
5,411 GBP2025-03-31
3,717 GBP2024-03-31
Trade Debtors/Trade Receivables
Current
561,427 GBP2025-03-31
685,218 GBP2024-03-31
Other Debtors
Amounts falling due within one year
109,422 GBP2025-03-31
99,968 GBP2024-03-31
Debtors
Current, Amounts falling due within one year
670,849 GBP2025-03-31
785,186 GBP2024-03-31
Bank Borrowings/Overdrafts
Current
10,000 GBP2025-03-31
8,333 GBP2024-03-31
Trade Creditors/Trade Payables
Current
686,121 GBP2025-03-31
488,838 GBP2024-03-31
Amounts owed to group undertakings
Current
200,241 GBP2025-03-31
66,509 GBP2024-03-31
Other Taxation & Social Security Payable
Current
109,839 GBP2025-03-31
25,845 GBP2024-03-31
Other Creditors
Current
149,979 GBP2025-03-31
103,952 GBP2024-03-31
Creditors
Current
1,156,180 GBP2025-03-31
693,477 GBP2024-03-31
Bank Borrowings/Overdrafts
Non-current
1,667 GBP2025-03-31
13,333 GBP2024-03-31

  • CALUMET SERVICES LIMITED
    Info
    Registered number 06551414
    18-19 Century Park, Garrison Lane, Birmingham, West Midlands B9 4NZ
    PRIVATE LIMITED COMPANY incorporated on 2008-04-01 (18 years 1 month). The status of the company number is Active.
    The last date of confirmation statement was made at 2025-06-01
    CIF 0
child relation
Offspring entities and appointments 0
  • Not found in our database.

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Contains public sector information retrieved at 5 April 2026 and licensed under the Open Government Licence v3.0.