How much does BT Building Ltd make?

BT Building Ltd reported revenue of £38.8k and a loss of £3.2k in the year to 31 Mar 2025, according to its accounts filed at Companies House.

How many employees does BT Building Ltd have?

BT Building Ltd reported an average of 1 employee in the year to 31 Mar 2025.

Is BT Building Ltd profitable?

No — BT Building Ltd reported a loss of £3.2k in the year to 31 Mar 2025.

Company No. 11870958 · Incorporated 8 Mar 2019

BT Building Ltd

Registered name: BT BUILDING LTD

BT Building Ltd made £38.8k revenue and a £3.2k loss in the year to 31 Mar 2025.

BT Building Ltd’s revenue fell 51% to £38.8k in the year to 31 Mar 2025, with a loss of £3.2k and 1 employee. The company is classified under “construction of commercial buildings” and is based in London; we hold 4 years of its filed accounts.

Full P&L filedSection F · ConstructionSIC 41201Construction of commercial buildings SIC 41202Construction of domestic buildings

Status: Active
Location: London, London
Age: 7 yrs · since 2019
Type: Private Limited Company

Latest accounts · year to 31 Mar 2025

Key figures

IndependentSmall teamCapital-light

Revenue

£38.8k

Growth ▼50.5%

Profit

−£3.2k

Growth —

Profit margin

−8.3%

Gross 100%

Employees

Change ▼66.7%

Profit / employee

−£3.2k

Revenue/employee £38.8k

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.

4 filed years

Financial history

Multi-year financials, oldest to newest
Year to	31 Mar 2022	31 Mar 2023	31 Mar 2024	31 Mar 2025
Disclosure	Full P&L	Full P&L	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	£127k	£184k	£78.5k	£38.8k
Cost of sales	£30.6k	—	—	—
Gross profit	£96k	£184k	£78.5k	£38.8k
Operating profit	−£7.5k	−£10k	−£7.2k	−£3.2k
Profit before tax	−£7.5k	−£10k	−£7.2k	−£3.2k
Profit after tax	−£7.5k	−£10k	−£7.2k	−£3.2k
Profit (best available)	−£7.5k	−£10k	−£7.2k	−£3.2k
Employees (average)	1	3	3	1
Ratios
Profit margin	−5.9%	−5.4%	−9.2%	−8.3%
Gross margin	75.8%	100%	100%	100%
Revenue per employee	£127k	£61.2k	£26.2k	£38.8k
Profit per employee	−£7.5k	−£3.3k	−£2.4k	−£3.2k
Growth (year on year)
Revenue growth	—	▲45%	▼57.2%	▼50.5%
Headcount growth	—	▲200%	0%	▼66.7%
Balance sheet — indirect signals, not revenue
Net assets	£1	£1	£1	£1
Fixed assets	£1	£1	£1	£1
Source	FullAccounts · bulk data Dec 2023	FullAccounts · bulk data Dec 2023	FullAccounts · bulk data Dec 2024	FullAccounts · bulk data Dec 2025

Derived from the latest filing

How the business works

Profit margin: −8.3%; Profit ÷ revenue.
Gross margin: 100%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £38.8k; Revenue ÷ average employees.
Profit per employee: −£3.2k; Profit ÷ average employees.
Cash conversion: —; Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue: 0%; 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: 0%; Now £1
Cash at bank: —; Now —
Headcount: ▼67%; Now 1
Deferred income: —; Now —
Fixed assets: 0%; Now £1

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Sources

Companies House profile Filing history & original accounts

Latest figures from FullAccounts for the year to 31 Mar 2025 (profit −£3.2k), from the Companies House accounts bulk data published Dec 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.