How much does Sonic Builders Limited make?

Sonic Builders Limited reported revenue of £181k and a loss of £104k in the year to 31 Mar 2025, according to its accounts filed at Companies House.

How many employees does Sonic Builders Limited have?

Sonic Builders Limited reported an average of 4 employees in the year to 31 Mar 2025.

Is Sonic Builders Limited profitable?

No — Sonic Builders Limited reported a loss of £104k in the year to 31 Mar 2025.

Company No. 10849875 · Incorporated 4 Jul 2017

Sonic Builders Limited

Registered name: SONIC BUILDERS LIMITED

Sonic Builders Limited made £181k revenue and a £104k loss in the year to 31 Mar 2025.

Sonic Builders Limited’s revenue fell 18% to £181k in the year to 31 Mar 2025, with a loss of £104k and 4 employees. The company is classified under “construction of commercial buildings” and is based in Watford; 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: Watford, East of England
Age: 9 yrs · since 2017
Type: Private Limited Company

Latest accounts · year to 31 Mar 2025

Key figures

IndependentSmall team

Revenue

£181k

Growth ▼17.8%

Profit

−£104k

Growth —

Profit margin

−57.4%

Employees

Change ▲33.3%

Profit / employee

−£26k

Revenue/employee £45.3k

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	No P&L	No P&L	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	—	—	£220k	£181k
Profit after tax	—	—	−£11.4k	−£104k
Profit (best available)	—	—	−£11.4k	−£104k
Staff costs	—	—	£55.4k	£108k
Employees (average)	1	3	3	4
Ratios
Profit margin	—	—	−5.2%	−57.4%
Revenue per employee	—	—	£73.4k	£45.3k
Profit per employee	—	—	−£3.8k	−£26k
Growth (year on year)
Revenue growth	—	—	—	▼17.8%
Headcount growth	—	—	0%	▲33.3%
Balance sheet — indirect signals, not revenue
Net assets	£91.2k	£158k	£149k	£12.2k
Fixed assets	£76.4k	£169k	£190k	£126k
Current assets	£62.8k	£78k	£55k	£80.3k
Source	FullAccounts · bulk data Dec 2023	FullAccounts · bulk data Dec 2023	FullAccounts · bulk data Jan 2025	FullAccounts · bulk data Jan 2026

Derived from the latest filing

How the business works

Profit margin: −57.4%; Profit ÷ revenue.
Gross margin: —; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £45.3k; Revenue ÷ average employees.
Profit per employee: −£26k; Profit ÷ average employees.
Cash conversion: —; Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue: 69.4%; 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: ▼92%; Now £12.2k
Cash at bank: —; Now —
Headcount: ▲33%; Now 4
Deferred income: —; Now —
Fixed assets: ▼34%; Now £126k

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Sources

Companies House profile Filing history & original accounts

Latest figures from FullAccounts for the year to 31 Mar 2025 (profit −£104k), from the Companies House accounts bulk data published Jan 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.