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Company No. 02209742 · Incorporated 5 Jan 1988

Carbon60 Limited

Registered name: CARBON60 LIMITED

Part of Headfirst Global PLC group

Carbon60 Limited made £120m revenue and £4.6m profit in the year to 3 Jan 2025.

Carbon60 Limited’s revenue grew 13% to £120m in the year to 3 Jan 2025, with £4.6m profit and 106 employees. The company is classified under “other activities of employment placement agencies” and is based in Luton; we hold 2 years of its filed accounts.

Full P&L filedSection N · Administrative and support servicesSIC 78109Other activities of employment placement agenciesSIC 78200Temporary employment agency activities
Status
Active
Location
Luton, East of England
Age
38 yrs · since 1988
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. From the filing: “Impellam UK Limited”

Latest accounts · year to 3 Jan 2025

Key figures

Revenue
£120m
Growth ▲12.6%
Profit
£4.6m
Growth ▼0.5%
Profit margin
3.8%
Gross 13.4%
Employees
106
Change ▲0.9%
Profit / employee
£43.7k
Revenue/employee £1.1m
Profitable streak
2yrs
Consecutive profitable years in our data

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

2 filed years

Financial history

Multi-year financials, oldest to newest
Year to5 Jan 20243 Jan 2025
DisclosureFull P&LFull P&L
Profit & loss
Revenue (turnover)£107m£120m
Cost of sales£91.3m£104m
Gross profit£15.7m£16.1m
Operating profit£6.1m£6.2m
Profit before tax£6.5m£6.7m
Profit after tax£4.7m£4.6m
Profit (best available)£4.7m£4.6m
Staff costs£6.4m£6m
Employees (average)105106
Ratios
Profit margin4.3%3.8%
Gross margin14.6%13.4%
Revenue per employee£1m£1.1m
Profit per employee£44.3k£43.7k
Growth (year on year)
Revenue growth—▲12.6%
Profit growth—▼0.5%
Headcount growth—▲0.9%
Balance sheet — indirect signals, not revenue
Cash at bank£1.5m£1.1m
Net assets£33.9m£38.5m
Fixed assets£39.6m£60m
Current assets£17.7m£20.9m
Debtors£16.2m£19.7m
Deferred income£2.6m£2.6m
SourceFullAccounts · bulk data Jul 2025FullAccounts · bulk data Jul 2025
Derived from the latest filing

How the business works

Profit margin
3.8%
Profit ÷ revenue.
Gross margin
13.4%
Gross profit ÷ revenue. High for software and services.
Revenue per employee
£1.1m
Revenue ÷ average employees.
Profit per employee
£43.7k
Profit ÷ average employees.
Cash conversion
—
Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue
49.8%
Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue
2.1%
Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue
16.4%
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
▲14%
Now £38.5m
Cash at bank
▼23%
Now £1.1m
Headcount
▲1%
Now 106
Deferred income
▼3%
Now £2.6m
Fixed assets
▲52%
Now £60m

Deferred income is reported together with accruals in this filing (“accruals and deferred income”), so it is an approximate signal only.

Corporate ownership

Group structure

Ownership chain

  1. Headfirst Global PLCultimate parent75–100%
  2. Vertage Limited75–100%
  3. Impellam UK Limited75–100%
  4. Carbon60 Limitedthis company

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

Sister companies (4)

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

Same industry, similar size

Similar profitable businesses

Industry benchmarks →

Sources

Companies House profile Filing history & original accounts

Latest figures from FullAccounts for the year to 3 Jan 2025 (profit £4.6m), from the Companies House accounts bulk data published Jul 2025. 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.