How much does Green Rock UK Holdings Limited make?

Green Rock UK Holdings Limited reported revenue of £8.2m and a loss of £399k in the year to 31 Dec 2025, according to its accounts filed at Companies House.

How many employees does Green Rock UK Holdings Limited have?

Green Rock UK Holdings Limited reported an average of 50 employees in the year to 31 Dec 2025.

Is Green Rock UK Holdings Limited profitable?

No — Green Rock UK Holdings Limited reported a loss of £399k in the year to 31 Dec 2025.

Company No. 15742145 · Incorporated 25 May 2024

Green Rock UK Holdings Limited

Registered name: GREEN ROCK UK HOLDINGS LIMITED

Green Rock UK Holdings Limited made £8.2m revenue and a £399k loss in the year to 31 Dec 2025.

Green Rock UK Holdings Limited’s revenue was £8.2m in the year to 31 Dec 2025, with a loss of £399k and 50 employees. The company is classified under “treatment and disposal of hazardous waste” and is based in Romsey; we hold 3 years of its filed accounts.

Full P&L filedSection E · Water supply, sewerage and waste managementSIC 38220Treatment and disposal of hazardous waste

Status: Active
Location: Romsey, South East
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.

Latest accounts · year to 31 Dec 2025

Key figures

Independent

Revenue

£8.2m

Growth —

Profit

−£399k

Growth —

Profit margin

−4.8%

Gross 32.5%

Employees

Change —

Profit / employee

−£8k

Revenue/employee £165k

Profitable streak

0yrs

Consecutive profitable years in our data

Badges are automated estimates derived from the filed figures — not statements of fact about the company.

3 filed years

Financial history

Multi-year financials, oldest to newest
Year to	24 May 2024	31 Dec 2024	31 Dec 2025
Disclosure	No P&L	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	—	£0	£8.2m
Cost of sales	—	£0	−£5.6m
Gross profit	—	£0	£2.7m
Operating profit	—	£0	−£188k
Profit before tax	—	£0	−£359k
Profit after tax	—	£0	−£399k
Profit (best available)	—	£0	−£399k
Employees (average)	0	0	50
Ratios
Profit margin	—	—	−4.8%
Gross margin	—	—	32.5%
Revenue per employee	—	—	£165k
Profit per employee	—	—	−£8k
Balance sheet — indirect signals, not revenue
Net assets	—	£1k	—
Debtors	—	£1k	—
Source	FullAccounts · bulk data Sep 2025	FullAccounts · bulk data Sep 2025	Accounts · bulk data Sep 2026

Derived from the latest filing

How the business works

Profit margin: −4.8%; Profit ÷ revenue.
Gross margin: 32.5%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £165k; Revenue ÷ average employees.
Profit per employee: −£8k; 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.

Indirect — not revenue

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 50
Deferred income: —; Now —
Fixed assets: —; Now —

Corporate ownership

Group structure

Subsidiaries (2)

GRG Waste UK LtdRev. £33.6m · Profit £912k
Humber Resources Group LimitedFigures not disclosed

Minority corporate shareholders

Bailiwick Investments Limited (registered outside the UK register) 25–50%
Woodstock Corporate Holdings Ltd (registered outside the UK register) 25–50%

From the Persons with Significant Control register (corporate controllers only).

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Sources

Companies House profile Filing history & original accounts

Latest figures from accounts for the year to 31 Dec 2025 (profit −£399k), from the Companies House accounts bulk data published Sep 2026. Spotted an error? Request a correction.

Updated from Companies House on 24 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.