Serenita Knowledge Investments Ltd
Registered name: SERENITA KNOWLEDGE INVESTMENTS LTD
Part of Avenium Investments UK Ltd groupSerenita Knowledge Investments Ltd made £708k revenue and £8.9k profit in the year to 31 Dec 2024.
Serenita Knowledge Investments Ltd’s revenue was £708k in the year to 31 Dec 2024, with £8.9k profit and 2 employees. The company is classified under “other information technology service activities” and is based in London; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- London, London
- Age
- 9 yrs · since 2017
- 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 Aug 2022 | 31 Dec 2023 | 31 Dec 2024 |
|---|---|---|---|
| Disclosure | No P&L | Full P&L | Full P&L |
| Profit & loss | |||
| Revenue (turnover) | — | £365k | £708k |
| Gross profit | — | £365k | £708k |
| Operating profit | — | −£99.7k | £19.6k |
| Profit before tax | — | £322k | £8.9k |
| Profit after tax | — | £322k | £8.9k |
| Profit (best available) | — | £322k | £8.9k |
| Employees (average) | 2 | 2 | 2 |
| Ratios | |||
| Profit margin | — | 88.1% | 1.3% |
| Gross margin | — | 100% | 100% |
| Revenue per employee | — | £183k | £354k |
| Profit per employee | — | £161k | £4.5k |
| Balance sheet — indirect signals, not revenue | |||
| Cash at bank | £765 | £10.6k | £1.6k |
| Net assets | £24.3k | £331k | £325k |
| Fixed assets | £78.4k | £78.9k | £78.8k |
| Current assets | £2.6m | £920k | £1.7m |
| Debtors | £399k | £132k | £783k |
| Deferred income | — | £58.6k | £2.5k |
| Source | FullAccounts · bulk data Dec 2024 | FullAccounts · bulk data Dec 2024 | FullAccounts · bulk data Dec 2025 |
How the business works
- Profit margin
- 1.3%
- Profit ÷ revenue.
- Gross margin
- 100%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £354k
- Revenue ÷ average employees.
- Profit per employee
- £4.5k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 11.1%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- 0.4%
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 110.6%
- 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 £325k
- Cash at bank
- —
- Now £1.6k
- Headcount
- —
- Now 2
- Deferred income
- —
- Now £2.5k
- Fixed assets
- —
- Now £78.8k
Deferred income is reported together with accruals in this filing (“accruals and deferred income”), so it is an approximate signal only.
Group structure
Ownership chain
- Avenium Investments UK Ltdultimate parent75–100%
- Serenita Knowledge Investments Ltdthis company
Bands show the share of ownership each company holds in the one below it.
Subsidiaries (2)
- Study in Colchester LimitedRev. £2m · Profit £157k
- Ilc International Language Centers LtdRev. £1.1m · Profit −£385k
From the Persons with Significant Control register (corporate controllers only).
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Sources
Latest figures from FullAccounts for the year to 31 Dec 2024 (profit £8.9k), 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.