How much does Sentinel Core Services Limited make?

Sentinel Core Services Limited reported revenue of £10.7m and a loss of £271k in the year to 31 Dec 2025, according to its accounts filed at Companies House.

How many employees does Sentinel Core Services Limited have?

Sentinel Core Services Limited reported an average of 17 employees in the year to 31 Dec 2025.

Is Sentinel Core Services Limited profitable?

No — Sentinel Core Services Limited reported a loss of £271k in the year to 31 Dec 2025.

Company No. 03234691 · Incorporated 6 Aug 1996

Sentinel Core Services Limited

Registered name: SENTINEL CORE SERVICES LIMITED

Part of Sentinel Group Limited group

Sentinel Core Services Limited made £10.7m revenue and a £271k loss in the year to 31 Dec 2025. read from filing text

Sentinel Core Services Limited’s revenue was £10.7m in the year to 31 Dec 2025, with a loss of £271k and 17 employees. The company is classified under “other activities of employment placement agencies” and is based in Tunbridge Wells; we hold 4 years of its filed accounts.

Full P&L filedSection N · Administrative and support servicesSIC 78109Other activities of employment placement agencies SIC 78200Temporary employment agency activities

Status: Active
Location: Tunbridge Wells, South East
Age: 30 yrs · since 1996
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. From the filing: “The parent company of Sentinel Core Services Limited is Sentinel Group Holdings Limited and the ultimate controlling party is Sentinel Group Limited. The ultimate controlling party's registered office”

Latest accounts · year to 31 Dec 2025

Key figures

Capital-light

Revenue

£10.7m

Growth —

Profit

−£271k

Growth —

Profit margin

−2.5%

Gross 16%

Employees

Change —

Profit / employee

−£15.9k

Revenue/employee £627k

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	31 Aug 2022	31 Aug 2023	31 Aug 2024	31 Dec 2025
Disclosure	No P&L	No P&L	Full P&Lread from filing text	Full P&Lread from filing text
Profit & loss
Revenue (turnover)	—	—	£8.7m	£10.7m
Cost of sales	—	—	£7.3m	£9m
Gross profit	—	—	£1.4m	£1.7m
Operating profit	—	—	£333k	−£211k
Profit before tax	—	—	£262k	−£275k
Profit after tax	—	—	£263k	−£271k
Profit (best available)	—	—	£263k	−£271k
Employees (average)	18	21	20	17
Ratios
Profit margin	—	—	3%	−2.5%
Gross margin	—	—	16.2%	16%
Revenue per employee	—	—	£437k	£627k
Profit per employee	—	—	£13.2k	−£15.9k
Growth (year on year)
Headcount growth	—	▲16.7%	▼4.8%	—
Balance sheet — indirect signals, not revenue
Cash at bank	£46.7k	£76.9k	£22.3k	£13.7k
Net assets	£923k	£1.1m	£1.4m	£1.1m
Fixed assets	£189k	£146k	£71.7k	£6.9k
Current assets	£2.5m	£3.1m	£2.8m	£2.2m
Debtors	£1.1m	£1m	£1.1m	£1m
Source	FullAccounts · bulk data Mar 2024	FullAccounts · bulk data Mar 2024	FullAccounts · bulk data Jan 2025	FullAccounts · bulk data Sep 2026

Derived from the latest filing

How the business works

Profit margin: −2.5%; Profit ÷ revenue.
Gross margin: 16%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £627k; Revenue ÷ average employees.
Profit per employee: −£15.9k; Profit ÷ average employees.
Cash conversion: —; Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue: 0.1%; Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue: —; Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue: 9.5%; 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 £1.1m
Cash at bank: —; Now £13.7k
Headcount: —; Now 17
Deferred income: —; Now —
Fixed assets: —; Now £6.9k

Corporate ownership

Group structure

Ownership chain

Sentinel Group Limitedultimate parent75–100%
Sentinel Group Holdings Limited75–100%
Sentinel Core Services Limitedthis company

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

Sister companies (2)

Sentinel Technology LtdRev. £4.5m · Profit −£112k
Sentinel International LtdRev. £3.1m · Profit −£962k

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

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Sources

Companies House profile Filing history & original accounts

Latest figures from FullAccounts for the year to 31 Dec 2025 (profit −£271k), 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.