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Company No. 02777304 · Incorporated 6 Jan 1993

Si Green UK Limited

Registered name: SI GREEN UK LIMITED

Part of Ambienthesis S.P.A group

Si Green UK Limited made £471k revenue and a £446k loss in the year to 31 Dec 2025. read from filing text

Si Green UK Limited’s revenue fell 93% to £471k in the year to 31 Dec 2025, with a loss of £446k and 1 employee. The company is classified under “buying and selling of own real estate” and is based in Enterprise Park Swansea; we hold 4 years of its filed accounts.

Full P&L filedSection L · Real estate activitiesSIC 68100Buying and selling of own real estate
Status
Active
Location
Enterprise Park Swansea, Wales
Age
33 yrs · since 1993
Type
Private Limited Company

Part of a group. The filing indicates this company sits within a group structure, so its results may depend on intra-group trading and it may be hard to replicate independently.

Latest accounts · year to 31 Dec 2025

Key figures

Small team
Revenue
£471k
Growth ▼92.6%
Profit
−£446k
Growth —
Profit margin
−94.8%
Gross 6.8%
Employees
1
Change 0%
Profit / employee
−£446k
Revenue/employee £471k
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 to31 Dec 202231 Dec 202331 Dec 202431 Dec 2025
DisclosureNo P&LFull P&Lread from filing textFull P&Lread from filing textFull P&Lread from filing text
Profit & loss
Revenue (turnover)—£18.3m£6.4m£471k
Cost of sales—£17.4m£7.1m£439k
Gross profit—£915k−£703k£32.1k
Operating profit—£603k−£1.1m−£292k
Profit before tax—£431k−£1.3m−£446k
Profit (best available)—£431k−£1.3m−£446k
Employees (average)2211
Ratios
Profit margin—2.4%−19.9%−94.8%
Gross margin—5%−11%6.8%
Revenue per employee—£9.1m£6.4m£471k
Profit per employee—£216k−£1.3m−£446k
Growth (year on year)
Revenue growth——▼65.1%▼92.6%
Profit growth——▼394.3%—
Headcount growth—0%▼50%0%
Balance sheet — indirect signals, not revenue
Cash at bank£577k£849k£489k£136k
Net assets——£373k—
SourceFullAccounts · bulk data Sep 2024FullAccounts · bulk data Sep 2024FullAccounts · bulk data Sep 2025FullAccounts · bulk data Sep 2026
Derived from the latest filing

How the business works

Profit margin
−94.8%
Profit ÷ revenue.
Gross margin
6.8%
Gross profit ÷ revenue. High for software and services.
Revenue per employee
£471k
Revenue ÷ average employees.
Profit per employee
−£446k
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
▼72%
Now £136k
Headcount
0%
Now 1
Deferred income
—
Now —
Fixed assets
—
Now —
Corporate ownership

Group structure

Ownership chain

  1. Ambienthesis S.P.A (registered outside the UK register)ultimate parent75–100%
  2. Si Green UK Limitedthis company

Bands show the share of ownership each company holds in the one below it.

From the Persons with Significant Control register (corporate controllers only).

Same industry, similar size

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Sources

Latest figures from FullAccounts for the year to 31 Dec 2025 (profit −£446k), from the Companies House accounts bulk data published Sep 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.