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Company No. SC115530 · Incorporated 11 Jan 1989

RSK Environment Limited

Registered name: RSK ENVIRONMENT LIMITED

Part of RSK Group Limited group

RSK Environment Limited made £104m revenue and £434k profit in the year to 6 Apr 2025.

RSK Environment Limited’s revenue fell 3% to £104m in the year to 6 Apr 2025, with £434k profit and 631 employees. The company is classified under “remediation activities and other waste management services” and is based in Glasgow; we hold 2 years of its filed accounts.

Full P&L filedSIC 39000Remediation activities and other waste management servicesSIC 42990Construction of other civil engineering projects n.e.c.SIC 71122Engineering related scientific and technical consulting activitiesSIC 74901Environmental consulting activities
Status
Active
Location
Glasgow
Age
37 yrs · since 1989
Type
Private Limited Company
Latest accounts · year to 6 Apr 2025

Key figures

Revenue
£104m
Growth ▼3%
Profit
£434k
Growth ▼99.6%
Profit margin
0.4%
Gross 12.3%
Employees
631
Change ▲2.6%
Profit / employee
£688
Revenue/employee £164k
Profitable streak
2yrs
Consecutive profitable years in our data
2 filed years

Financial history

Multi-year financials, oldest to newest
Year to6 Apr 20246 Apr 2025
DisclosureFull P&LFull P&L
Profit & loss
Revenue (turnover)£107m£104m
Cost of sales−£94.5m−£90.9m
Gross profit£12.2m£12.7m
Operating profit−£9.6m−£71.9m
Profit before tax£105m£1.4m
Profit after tax£98.1m£434k
Profit (best available)£98.1m£434k
Employees (average)615631
Ratios
Profit margin91.8%0.4%
Gross margin11.5%12.3%
Revenue per employee£174k£164k
Profit per employee£159k£688
Growth (year on year)
Revenue growth—▼3%
Profit growth—▼99.6%
Headcount growth—▲2.6%
Balance sheet — indirect signals, not revenue
Net assets——
SourceAccounts · bulk data Dec 2025Accounts · bulk data Dec 2025
Derived from the latest filing

How the business works

Profit margin
0.4%
Profit ÷ revenue.
Gross margin
12.3%
Gross profit ÷ revenue. High for software and services.
Revenue per employee
£164k
Revenue ÷ average employees.
Profit per employee
£688
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
▲3%
Now 631
Deferred income
—
Now —
Fixed assets
—
Now —
Corporate ownership

Group structure

Ownership chain

  1. RSK Group Limitedultimate parent75–100%
  2. RSK Environment Limitedthis company

Bands show the share of ownership each company holds in the one below it.

Subsidiaries (133)

Sister companies (3)

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

Sources

Companies House profile Filing history & original accounts

Latest figures from accounts for the year to 6 Apr 2025 (profit £434k), from the Companies House accounts bulk data published Dec 2025. Spotted an error? Request a correction.

Updated from Companies House on 15 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.