Seymour House Ltd.
Registered name: SEYMOUR HOUSE LTD.
Part of Blackwater Partners Limited groupSeymour House Ltd. made £13.3m revenue and £1.4m profit in the year to 31 Mar 2025.
Seymour House Ltd.’s revenue grew 24% to £13.3m in the year to 31 Mar 2025, with £1.4m profit and 331 employees. The company is classified under “pre-primary education” and is based in Chelmsford; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- Chelmsford, East of England
- Age
- 39 yrs · since 1987
- 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.
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| 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) | — | — | £10.7m | £13.3m |
| Cost of sales | — | — | £8.5m | £9.4m |
| Gross profit | — | — | £2.3m | £3.9m |
| Operating profit | — | — | £471k | £1.9m |
| Profit before tax | — | — | £518k | £1.9m |
| Profit after tax | — | — | £491k | £1.4m |
| Profit (best available) | — | — | £491k | £1.4m |
| Staff costs | — | — | £6.6m | £7.5m |
| Employees (average) | 279 | 284 | 284 | 331 |
| Ratios | ||||
| Profit margin | — | — | 4.6% | 10.2% |
| Gross margin | — | — | 21.2% | 29% |
| Revenue per employee | — | — | £37.8k | £40.1k |
| Profit per employee | — | — | £1.7k | £4.1k |
| Growth (year on year) | ||||
| Revenue growth | — | — | — | ▲23.7% |
| Profit growth | — | — | — | ▲177% |
| Headcount growth | — | — | 0% | ▲16.6% |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £1.3m | £1.7m | £1.8m | £3.4m |
| Net assets | £1.9m | £2.2m | £2.5m | £3.1m |
| Fixed assets | £637k | £389k | £171k | £184k |
| Current assets | £3.5m | £4.3m | £4.9m | £6.8m |
| Debtors | £22.5k | £10.5k | £0 | £3.4m |
| Deferred income | £478k | £506k | £462k | £734k |
| Source | Accounts · bulk data Dec 2023 | Accounts · bulk data Dec 2023 | Accounts · bulk data Dec 2024 | FullAccounts · bulk data Dec 2025 |
How the business works
- Profit margin
- 10.2%
- Profit ÷ revenue.
- Gross margin
- 29%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £40.1k
- Revenue ÷ average employees.
- Profit per employee
- £4.1k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 1.4%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- 5.5%
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 25.7%
- 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
- ▲27%
- Now £3.1m
- Cash at bank
- ▲91%
- Now £3.4m
- Headcount
- ▲17%
- Now 331
- Deferred income
- ▲59%
- Now £734k
- Fixed assets
- ▲8%
- Now £184k
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
- Blackwater Partners Limitedultimate parent75–100%
- Seymour House Ltd.this company
Bands show the share of ownership each company holds in the one below it.
Sister companies (3)
- L3 Leisure LimitedFigures not disclosed
- L3 Property LimitedFigures not disclosed
- Nursery Kitchen LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
Similar profitable businesses
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- Profit
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- Staff
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- Claires Court Schools LimitedAscot · Pre-primary education
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- Careroom LimitedHitchin · Pre-primary education
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- Profit
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- Ashbourne Day Nurseries LimitedMilton Keynes · Pre-primary education
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- Profit
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- Kaamil Education LtdLondon · Pre-primary education
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- Profit
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- Staff
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Sources
Latest figures from FullAccounts for the year to 31 Mar 2025 (profit £1.4m), 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.