How much does Advent CSS Limited make?

Advent CSS Limited reported revenue of £125k and a loss of £18.4k in the year to 30 Sep 2025, according to its accounts filed at Companies House.

How many employees does Advent CSS Limited have?

Advent CSS Limited reported an average of 3 employees in the year to 30 Sep 2025.

Is Advent CSS Limited profitable?

No — Advent CSS Limited reported a loss of £18.4k in the year to 30 Sep 2025.

Company No. 08175563 · Incorporated 10 Aug 2012

Advent CSS Limited

Registered name: ADVENT CSS LIMITED

Advent CSS Limited made £125k revenue and a £18.4k loss in the year to 30 Sep 2025.

Advent CSS Limited’s revenue fell 12% to £125k in the year to 30 Sep 2025, with a loss of £18.4k and 3 employees. The company is classified under “construction of commercial buildings” and is based in Goole; we hold 4 years of its filed accounts.

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

Status: Active
Location: Goole, Yorkshire and The Humber
Age: 14 yrs · since 2012
Type: Private Limited Company

Latest accounts · year to 30 Sep 2025

Key figures

IndependentSmall team

Revenue

£125k

Growth ▼11.6%

Profit

−£18.4k

Growth ▼433.8%

Profit margin

−14.7%

Gross 47.8%

Employees

Change ▲50%

Profit / employee

−£6.1k

Revenue/employee £41.6k

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	30 Sep 2022	30 Sep 2023	30 Sep 2024	30 Sep 2025
Disclosure	Profit only	Full P&L	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	—	£98.8k	£141k	£125k
Cost of sales	£40.8k	£54.6k	£63.4k	£65.2k
Gross profit	£51.9k	£44.2k	£77.7k	£59.5k
Operating profit	−£20.3k	−£20.2k	£6.8k	−£18.4k
Profit before tax	−£20.3k	−£20.2k	£6.8k	−£18.4k
Profit after tax	−£16.4k	−£16.6k	£5.5k	−£18.4k
Profit (best available)	−£16.4k	−£16.6k	£5.5k	−£18.4k
Employees (average)	2	2	2	3
Ratios
Profit margin	—	−16.8%	3.9%	−14.7%
Gross margin	—	44.7%	55.1%	47.8%
Revenue per employee	—	£49.4k	£70.5k	£41.6k
Profit per employee	−£8.2k	−£8.3k	£2.8k	−£6.1k
Growth (year on year)
Revenue growth	—	—	▲42.8%	▼11.6%
Profit growth	—	—	—	▼433.8%
Headcount growth	—	0%	0%	▲50%
Balance sheet — indirect signals, not revenue
Cash at bank	£4k	£11.2k	£6.8k	£955
Net assets	−£20.3k	−£34.7k	−£64.3k	−£69.3k
Fixed assets	£27.1k	£27.1k	£27.1k	£27.1k
Current assets	£4k	£11.2k	£6.8k	£955
Source	FullAccounts · bulk data Nov 2023	FullAccounts · bulk data Nov 2023	FullAccounts · bulk data Oct 2024	FullAccounts · bulk data Oct 2025

Derived from the latest filing

How the business works

Profit margin: −14.7%; Profit ÷ revenue.
Gross margin: 47.8%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £41.6k; Revenue ÷ average employees.
Profit per employee: −£6.1k; Profit ÷ average employees.
Cash conversion: —; Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue: 21.7%; 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 −£69.3k
Cash at bank: ▼86%; Now £955
Headcount: ▲50%; Now 3
Deferred income: —; Now —
Fixed assets: 0%; Now £27.1k

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Sources

Companies House profile Filing history & original accounts

Latest figures from FullAccounts for the year to 30 Sep 2025 (profit −£18.4k), from the Companies House accounts bulk data published Oct 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.