How much does Zero 51 Limited make?

Zero 51 Limited reported revenue of £61.4k and £12.7k profit in the year to 31 May 2025, according to its accounts filed at Companies House.

How many employees does Zero 51 Limited have?

Zero 51 Limited reported an average of 1 employee in the year to 31 May 2025.

Is Zero 51 Limited profitable?

Yes — Zero 51 Limited reported a profit of £12.7k in the year to 31 May 2025.

Company No. 10763834 · Incorporated 10 May 2017

Zero 51 Limited

Registered name: ZERO 51 LIMITED

Zero 51 Limited made £61.4k revenue and £12.7k profit in the year to 31 May 2025.

Zero 51 Limited’s revenue fell 29% to £61.4k in the year to 31 May 2025, with £12.7k profit and 1 employee. The company is classified under “construction of domestic buildings” and is based in Chatham; we hold 4 years of its filed accounts.

Full P&L filedSection F · ConstructionSIC 41202Construction of domestic buildings

Status: Active
Location: Chatham, South East
Age: 9 yrs · since 2017
Type: Private Limited Company

Latest accounts · year to 31 May 2025

Key figures

IndependentSmall team

Revenue

£61.4k

Growth ▼29.2%

Profit

£12.7k

Growth ▼36.9%

Profit margin

20.6%

Gross 82.9%

Employees

Change 0%

Profit / employee

£12.7k

Revenue/employee £61.4k

Profitable streak

4yrs

Consecutive profitable years in our data

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

4 filed years

Financial history

Multi-year financials, oldest to newest
Year to	31 May 2022	31 May 2023	31 May 2024	31 May 2025
Disclosure	Full P&L	Full P&L	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	£68.4k	£74.8k	£86.7k	£61.4k
Cost of sales	£44.5k	£48.9k	£57.4k	£10.5k
Gross profit	£23.9k	£25.8k	£29.4k	£50.9k
Operating profit	£20.2k	£21.9k	£24.8k	£15.6k
Profit before tax	£20.2k	£21.9k	£24.8k	£15.6k
Profit after tax	£16.4k	£17.8k	£20.1k	£12.7k
Profit (best available)	£16.4k	£17.8k	£20.1k	£12.7k
Staff costs	£0	£1.2k	£2k	£5k
Employees (average)	—	1	1	1
Ratios
Profit margin	23.9%	23.8%	23.1%	20.6%
Gross margin	34.9%	34.6%	33.9%	82.9%
Revenue per employee	—	£74.8k	£86.7k	£61.4k
Profit per employee	—	£17.8k	£20.1k	£12.7k
Growth (year on year)
Revenue growth	—	▲9.3%	▲16%	▼29.2%
Profit growth	—	▲8.6%	▲12.9%	▼36.9%
Headcount growth	—	—	0%	0%
Balance sheet — indirect signals, not revenue
Cash at bank	£290	£6k	£3.1k	£218
Net assets	−£14k	−£6k	−£11.7k	−£6k
Current assets	£290	£6k	£3.1k	£218
Source	Accounts · bulk data Jan 2024	Accounts · bulk data Jan 2024	AbridgedAccounts · bulk data Feb 2025	AbridgedAccounts · bulk data Feb 2026

Derived from the latest filing

How the business works

Profit margin: 20.6%; Profit ÷ revenue.
Gross margin: 82.9%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £61.4k; Revenue ÷ average employees.
Profit per employee: £12.7k; 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 −£6k
Cash at bank: ▼93%; Now £218
Headcount: 0%; Now 1
Deferred income: —; Now —
Fixed assets: —; Now —

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Sources

Companies House profile Filing history & original accounts

Latest figures from AbridgedAccounts for the year to 31 May 2025 (profit £12.7k), from the Companies House accounts bulk data published Feb 2026. 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.