C3 123 Limited
Registered name: C3 123 LIMITED
Part of Westbridge II GP LLP groupC3 123 Limited made £14.9m revenue and a £1.1m loss in the year to 31 Mar 2026.
C3 123 Limited’s revenue grew 2% to £14.9m in the year to 31 Mar 2026, with a loss of £1.1m. The company is classified under “activities of other holding companies” and is based in Cardiff; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- Cardiff, Wales
- Age
- 5 yrs · since 2020
- Type
- Private Limited Company
Pass-through vehicle. This looks like a holding, staffing or umbrella company. Its revenue and profit may largely pass through to or from other entities, so the figures may not reflect a standalone operating business. It is excluded from our opportunity lists.
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.
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Mar 2024 | 31 Mar 2025 | 31 Mar 2026 |
|---|---|---|---|
| Disclosure | Full P&L | Full P&L | Full P&L |
| Profit & loss | |||
| Revenue (turnover) | £15.7m | £14.6m | £14.9m |
| Cost of sales | −£9.9m | −£9.4m | −£9.3m |
| Gross profit | £5.7m | £5.2m | £5.6m |
| Operating profit | £1m | −£204k | £204k |
| Profit before tax | −£283k | −£1.4m | −£976k |
| Profit after tax | −£596k | −£1.3m | −£1.1m |
| Profit (best available) | −£596k | −£1.3m | −£1.1m |
| Employees (average) | 78 | 75 | — |
| Ratios | |||
| Profit margin | −3.8% | −9.2% | −7.3% |
| Gross margin | 36.6% | 35.6% | 37.7% |
| Revenue per employee | £201k | £195k | — |
| Profit per employee | −£7.6k | −£18k | — |
| Growth (year on year) | |||
| Revenue growth | — | ▼6.6% | ▲2.2% |
| Headcount growth | — | ▼3.9% | — |
| Balance sheet — indirect signals, not revenue | |||
| Net assets | — | — | — |
| Source | Accounts · bulk data Sep 2025 | Accounts · bulk data Sep 2025 | Accounts · bulk data Aug 2026 |
How the business works
- Profit margin
- −7.3%
- Profit ÷ revenue.
- Gross margin
- 37.7%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- —
- Revenue ÷ average employees.
- Profit per employee
- —
- 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.
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
- —
- Now —
- Headcount
- —
- Now —
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Ownership chain
- Westbridge II GP LLPultimate parent50–75%
- C3 123 Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Subsidiaries (1)
- C3 456 LimitedRev. — · Profit £356k
Sister companies (2)
- Ravel 123 LimitedRev. — · Profit −£1m
- Stream 123 LimitedRev. — · Profit £12.5k
From the Persons with Significant Control register (corporate controllers only).
Sources
Latest figures from accounts for the year to 31 Mar 2026 (profit −£1.1m), from the Companies House accounts bulk data published Aug 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.