Damm Environmental Holdings Limited
Registered name: DAMM ENVIRONMENTAL HOLDINGS LIMITED
Part of Uim Services UK Ltd groupDamm Environmental Holdings Limited made £11.4m revenue and £1m profit in the year to 30 Sep 2025.
Damm Environmental Holdings Limited’s revenue was £11.4m in the year to 30 Sep 2025, with £1m profit and 107 employees. The company is classified under “remediation activities and other waste management services” and is based in Glasgow; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- Glasgow, Scotland
- Age
- 11 yrs · since 2015
- 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
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 30 Jun 2022 | 30 Jun 2023 | 30 Sep 2024 | 30 Sep 2025 |
|---|---|---|---|---|
| Disclosure | No P&L | No P&L | Full P&L | Full P&L |
| Profit & loss | ||||
| Revenue (turnover) | — | — | £14m | £11.4m |
| Cost of sales | — | — | −£6.4m | −£5m |
| Gross profit | — | — | £7.6m | £6.4m |
| Operating profit | — | — | £1.2m | £1.4m |
| Profit before tax | — | — | £1.2m | £1.4m |
| Profit after tax | — | — | £493k | £1m |
| Profit (best available) | — | — | £493k | £1m |
| Employees (average) | 0 | 0 | 0 | 107 |
| Ratios | ||||
| Profit margin | — | — | 3.5% | 8.9% |
| Gross margin | — | — | 54.3% | 56.1% |
| Revenue per employee | — | — | — | £106k |
| Profit per employee | — | — | — | £9.4k |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £60.2k | £27.1k | £2.1k | — |
| Net assets | £2.4m | £2.6m | £2.9m | — |
| Fixed assets | £3.1m | £3m | £3m | — |
| Current assets | — | £27.1k | £33.7k | — |
| Debtors | — | £0 | £31.6k | — |
| Source | FullAccounts · bulk data Dec 2023 | FullAccounts · bulk data Dec 2023 | FullAccounts · bulk data Jan 2025 | Accounts · bulk data Jan 2026 |
How the business works
- Profit margin
- 8.9%
- Profit ÷ revenue.
- Gross margin
- 56.1%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £106k
- Revenue ÷ average employees.
- Profit per employee
- £9.4k
- 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 —
- Cash at bank
- —
- Now —
- Headcount
- —
- Now 107
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Ownership chain
- Uim Services UK Ltdultimate parent75–100%
- Damm Environmental Holdings Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Subsidiaries (2)
- Damm Environmental LimitedFigures not disclosed
- N.a.d.c. (Scotland) Ltd.Figures not disclosed
Sister companies (2)
- Defluo Plumbing and Drainage LimitedRev. £14.9m · Profit £2.7m
- Clearway Drainage Systems LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
Similar profitable businesses
- LCM Environmental Services LimitedPadiham · Remediation activities and other waste management services
- Revenue
- £11.5m
- Profit
- £1.2m
- Staff
- 55
- Roydon Bottle Recycling LimitedSwinton · Remediation activities and other waste management services
- Revenue
- £11.5m
- Profit
- £387k
- Staff
- 49
- Matthias Construction Materials (South-East) LimitedLondon · Remediation activities and other waste management services
- Revenue
- £11m
- Profit
- £207k
- Staff
- 15
- Ambipar Response LimitedLondon · Remediation activities and other waste management services
- Revenue
- £11.9m
- Profit
- £2.5m
- Staff
- 50
- Drainforce LimitedBridgend · Remediation activities and other waste management services
- Revenue
- £10.8m
- Profit
- £598k
- Staff
- 96
- Silverwoods Waste Management LtdAccrington · Remediation activities and other waste management services
- Revenue
- £12.1m
- Profit
- £3.7m
- Staff
- 12
Sources
Latest figures from accounts for the year to 30 Sep 2025 (profit £1m), from the Companies House accounts bulk data published Jan 2026. Spotted an error? Request a correction.
Updated from Companies House on 23 Oct 2026
Contains public sector information from Companies House licensed under the Open Government Licence v3.0. Data from Companies House, © Crown copyright. View the licence.