How much does Carthusia Limited make?

Carthusia Limited reported revenue of £927k and £361k profit in the year to 31 Mar 2026, according to its accounts filed at Companies House.

Is Carthusia Limited profitable?

Yes — Carthusia Limited reported a profit of £361k in the year to 31 Mar 2026.

Company No. 07612570 · Incorporated 21 Apr 2011

Carthusia Limited

Registered name: CARTHUSIA LIMITED

Carthusia Limited made £927k revenue and £361k profit in the year to 31 Mar 2026.

Carthusia Limited’s revenue grew 10% to £927k in the year to 31 Mar 2026, with £361k profit. The company is classified under “operation of historical sites and buildings and similar visitor attractions” and is based in London; we hold 3 years of its filed accounts.

Full P&L filedSection R · Arts, entertainment and recreationSIC 91030Operation of historical sites and buildings and similar visitor attractions

Status: Active
Location: London, London
Age: 15 yrs · since 2011
Type: Private Limited Company

Latest accounts · year to 31 Mar 2026

Key figures

IndependentOperating leverage

Revenue

£927k

Growth ▲9.9%

Profit

£361k

Growth ▲16.4%

Profit margin

39%

Gross 46%

Employees

—

Change —

Profit / employee

—

Profitable streak

3yrs

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	31 Mar 2024	31 Mar 2025	31 Mar 2026
Disclosure	Full P&L	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	£727k	£844k	£927k
Cost of sales	−£376k	−£451k	−£500k
Gross profit	£351k	£392k	£427k
Operating profit	£266k	£310k	£361k
Profit before tax	£266k	£310k	£361k
Profit after tax	£266k	£310k	£361k
Profit (best available)	£266k	£310k	£361k
Employees (average)	—	—	—
Ratios
Profit margin	36.5%	36.8%	39%
Gross margin	48.3%	46.5%	46%
Growth (year on year)
Revenue growth	—	▲16.1%	▲9.9%
Profit growth	—	▲16.9%	▲16.4%
Balance sheet — indirect signals, not revenue
Net assets	—	—	—
Source	Accounts · bulk data Aug 2025	Accounts · bulk data Aug 2025	Accounts · bulk data Aug 2026

Derived from the latest filing

How the business works

Profit margin: 39%; Profit ÷ revenue.
Gross margin: 46%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: —; Revenue ÷ average employees.
Profit per employee: —; 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 —
Deferred income: —; Now —
Fixed assets: —; Now —

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Sources

Companies House profile Filing history & original accounts

Latest figures from accounts for the year to 31 Mar 2026 (profit £361k), from the Companies House accounts bulk data published Aug 2026. Spotted an error? Request a correction.

Updated from Companies House on 13 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.