Idsl Group Holdings Limited
Registered name: IDSL GROUP HOLDINGS LIMITED
Part of Graphmars Holdco Limited groupIdsl Group Holdings Limited made a £2.4m loss in the year to 30 Sep 2025 (revenue not disclosed).
Idsl Group Holdings Limited reported a loss of £2.4m in the year to 30 Sep 2025; its revenue was not disclosed. It had 344 employees. The company is classified under “activities of other holding companies” and is based in Castleford; we hold 2 years of its filed accounts.
- Status
- Active
- Location
- Castleford, Yorkshire and The Humber
- Age
- 2 yrs · since 2024
- Type
- Private Limited Company
Pass-through vehicle. This looks like a holding, staffing or umbrella company. Its revenue and profit may largely pass through to or from other entities, so the figures may not reflect a standalone operating business. It is excluded from our opportunity lists.
Part of a group. The filing indicates this company sits within a group structure, so its results may depend on intra-group trading and it may be hard to replicate independently.
Key figures
This company published its profit but not its turnover, so revenue and margins are not disclosed. We never estimate them.
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 30 Sep 2024 | 30 Sep 2025 |
|---|---|---|
| Disclosure | Profit only | Profit only |
| Profit & loss | ||
| Revenue (turnover) | — | — |
| Profit after tax | £18k | −£2.4m |
| Profit (best available) | £18k | −£2.4m |
| Employees (average) | 317 | 344 |
| Ratios | ||
| Profit margin | — | — |
| Profit per employee | £57 | −£7k |
| Balance sheet — indirect signals, not revenue | ||
| Cash at bank | £2k | £169k |
| Net assets | £393k | −£1.8m |
| Fixed assets | £27.2m | £27.2m |
| Current assets | £55k | £1.4m |
| Debtors | £0 | £0 |
| Deferred income | £35k | £107k |
| Source | FullAccounts · bulk data Jun 2025 | FullAccounts · bulk data Apr 2026 |
How the business works
- Profit margin
- —
- Profit ÷ revenue.
- Gross margin
- —
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- —
- Revenue ÷ average employees.
- Profit per employee
- −£7k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- —
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- —
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- —
- Money owed by customers. Low = customers pay quickly.
Balance-sheet signals
Year-on-year changes in filed balance-sheet items. They can hint at momentum (or investment) but are not revenue or profit and must not be read as such.
- Net assets
- —
- Now −£1.8m
- Cash at bank
- —
- Now £169k
- Headcount
- —
- Now 344
- Deferred income
- —
- Now £107k
- Fixed assets
- —
- Now £27.2m
Deferred income is reported together with accruals in this filing (“accruals and deferred income”), so it is an approximate signal only.
Group structure
Ownership chain
- Graphmars Holdco Limitedultimate parent75–100%
- Graphmars Midco Limited75–100%
- Graphmars Bidco Limited75–100%
- Premier Technical Services Group Limited75–100%
- Idsl Group Holdings Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Subsidiaries (1)
- Integrated Doorset Solutions LimitedRev. — · Profit £2.8m
Sister companies (10)
- Brooke, Edgley (Industrial Chimneys) LimitedLiquidationFigures not disclosed
- HCS Water Treatment LtdFigures not disclosed
- Ohmega Testing Services LimitedLiquidationFigures not disclosed
- PTSG Access and Safety LimitedFigures not disclosed
- PTSG Building Access Specialists LimitedFigures not disclosed
- PTSG Electrical Services LimitedFigures not disclosed
- PTSG Electrical Testing Services LimitedLiquidationFigures not disclosed
- PTSG LimitedFigures not disclosed
- PTSG Management Services LimitedFigures not disclosed
- Test Strike UK LimitedLiquidationFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
Sources
Latest figures from FullAccounts for the year to 30 Sep 2025 (profit −£2.4m), from the Companies House accounts bulk data published Apr 2026. Spotted an error? Request a correction.
Contains public sector information from Companies House licensed under the Open Government Licence v3.0. Data from Companies House, © Crown copyright. View the licence.