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Cash

£299k

-27% lowest in 3 filed years

Net assets

£4m

+30.2% highest in 3 filed years

Employees

51

+2% highest in 3 filed years

Profit before tax

£1.3m

+47.9% highest in 3 filed years

Accounts

3-year trend · Δ = latest vs prior filed period · latest reflected 2025-12-31

Metric Trend 2023-12-312024-12-312025-12-31 Δ vs prior
Turnover £11,542,105£10,535,680£10,752,242 +2.1%
Operating profit £1,111,940£887,299£1,444,061 +62.7%
Profit before tax £964,243£873,359£1,292,035 +47.9%
Net profit £723,783£630,214£937,374 +48.7%
Cash £1,218,327£409,858£299,307 -27%
Total assets less current liabilities £2,812,197£3,812,858£4,910,093 +28.8%
Net assets £2,477,197£3,107,411£4,044,785 +30.2%
Equity £2,477,197£3,107,411£4,044,785 +30.2%
Average employees 505051 +2%
Wages £1,901,618£2,045,412£2,302,006 +12.5%
Directors' remuneration £174,255£169,321£153,652 -9.3%
Directors' pension contributions £7,564£5,580£3,487 -37.5%

Values shown as filed in the company's annual accounts. indicates the figure wasn't present under that line item in that period. The Δ column is the change from the prior filed period as a percentage of |prior|; lines a company doesn't report show . About these numbers

Ratios

Computed from the line items above — sparklines read oldest → newest

Ratio Trend 2023-12-312024-12-312025-12-31
Operating margin 9.6%8.4%13.4%
Net margin 6.3%6.0%8.7%
Return on capital employed 39.5%23.3%29.4%
Gearing (liabilities / total assets) 72.2%62.1%56.5%
Current ratio 0.97x1.10x1.14x
Interest cover 7.24x4.87x9.41x

Margins divide P&L lines by turnover. Gearing is liabilities over total assets. Current ratio is current assets over creditors falling due within one year. Interest cover is operating profit over absolute finance costs. Sector-distribution context coming next.

Audit & accounting basis

Accounting basis
FRS 102
Reporting scope
Consolidated group
Auditor
RSM UK Audit LLP
Audit opinion
Unqualified (clean)
Going concern
Affirmed

“In auditing the financial statements, we have concluded that the directors' use of the going concern basis of accounting in the preparation of the financial statements is appropriate. Based on the work we have performed, we have not identified any material uncertainties relating to events or conditions that, individually or collectively, may cast significant doubt on the group's or the parent company's ability to continue as a going concern for a period of at least twelve months from when the financial statements are authorised for issue.”

Group structure

  1. AIR HOLDCO LIMITED · parent
    1. Doby Verrolec Limited 100% · UK · dormant company
    2. Doby Cleats Limited 100% · UK · manufacturing and distribution of roller shutter door components, ductwork jointing systems and ductwork components, and other cold rolled sections and pressed components

Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers

People

1 active · 14 resigned

Name Role Appointed Born Nationality
DAHMER, Ralf Stefan Paul Director 2025-07-18 Jul 1967 German
Show 14 resigned officers
Name Role Appointed Resigned
BUTLER, David Thomas Director 2020-01-21 2021-06-10
CLARKSON, Tony Director 2020-03-12 2022-02-25
DINGLEY, Terence Director 2020-03-12 2022-09-30
FISHER, Amy Elizabeth Director 2022-11-29 2025-07-18
KRUCHEN, Henrik Director 2022-02-25 2023-10-11
MOSS, Thomas Malcolm Director 2020-03-12 2023-01-31
RANSOME, Edward Peter Taylor Director 2020-07-28 2021-06-10
SCHMITZ-ECKERT, Christian Director 2025-06-17 2025-07-18
SCHMITZ-ECKERT, Christian Director 2024-08-15 2025-06-17
SHEFFIELD, Alexander Charles Winter Director 2020-01-21 2020-07-28
THÖRNER, Dirk Director 2022-02-25 2024-08-15
UPTON, Andrew Richard Director 2021-06-10 2021-08-16
WESTON, Philip Richard Director 2021-06-10 2022-02-25
WILSON, Jonathan Richard Director 2021-06-10 2023-01-31

Ownership

Persons with significant control

Name Kind Nature of control Notified Status
Gebhardt Holdings Gmbh Corporate entity Shares 75–100% 2022-02-28 Active
Chiltern Capital Nominees Limited Corporate entity Shares 75–100%, Voting 75–100%, Appoints directors 2020-01-21 Ceased 2022-02-25

Filing timeline

Last 20 of 66 total filings

Date Type Category Description
2026-08-14 AA accounts Accounts with accounts type group
2026-02-19 CS01 confirmation-statement Confirmation statement with no updates PDF
2026-01-07 MR04 mortgage Mortgage satisfy charge full PDF
2025-10-27 AA accounts Accounts with accounts type group
2025-08-12 CH01 officers Change person director company with change date PDF
2025-07-31 AP01 officers Appoint person director company with name date PDF
2025-07-29 TM01 officers Termination director company with name termination date PDF
2025-07-29 TM01 officers Termination director company with name termination date PDF
2025-07-29 AP01 officers Appoint person director company with name date PDF
2025-06-17 TM01 officers Termination director company with name termination date PDF
2025-02-24 CS01 confirmation-statement Confirmation statement with no updates PDF
2024-08-15 AP01 officers Appoint person director company with name date PDF
2024-08-15 TM01 officers Termination director company with name termination date PDF
2024-04-16 AA accounts Accounts with accounts type group PDF
2024-02-27 PSC02 persons-with-significant-control Notification of a person with significant control PDF
2024-02-27 PSC09 persons-with-significant-control Withdrawal of a person with significant control statement PDF
2024-02-05 CS01 confirmation-statement Confirmation statement with no updates PDF
2023-10-16 TM01 officers Termination director company with name termination date PDF
2023-06-23 AA accounts Accounts with accounts type group PDF
2023-02-15 CH01 officers Change person director company with change date PDF

Public-record activity

Raw counts from Companies House — last 12–24 months

Filings
4

last 12 months

Capital events
0

last 24 months

Officers appointed
0

last 12 months

Officers resigned
0

last 12 months

Direct counts from the register. No score, no rating — see the Filing timeline for the underlying events.

Official Companies House page