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Company No. 02928764 · Incorporated 13 May 1994

Spencer Quantum Limited

Registered name: SPENCER QUANTUM LIMITED

Part of RSK Group Limited group

Spencer Quantum Limited made £14.7m revenue and £998k profit in the year to 31 Mar 2026.

Spencer Quantum Limited’s revenue grew 29% to £14.7m in the year to 31 Mar 2026, with £998k profit and 59 employees. The company is classified under “other service activities” and is based in Cheshire; we hold 3 years of its filed accounts.

Full P&L filedSection S · Other service activitiesSIC 96090Other service activities n.e.c.
Status
Active
Location
Cheshire, North West
Age
32 yrs · since 1994
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. From the filing: “RSK Environment Limited”

Latest accounts · year to 31 Mar 2026

Key figures

Revenue
£14.7m
Growth ▲29.2%
Profit
£998k
Growth ▼18.3%
Profit margin
6.8%
Gross 32.6%
Employees
59
Change ▲3.5%
Profit / employee
£16.9k
Revenue/employee £248k
Profitable streak
3yrs
Consecutive profitable years in our data

Badges are automated estimates derived from the filed figures — not statements of fact about the company.

3 filed years

Financial history

Multi-year financials, oldest to newest
Year to31 Mar 202431 Mar 202531 Mar 2026
DisclosureFull P&LFull P&LFull P&L
Profit & loss
Revenue (turnover)£7.2m£11.3m£14.7m
Cost of sales£4m£7.7m£9.9m
Gross profit£3.2m£3.6m£4.8m
Profit before tax£2.4m£1m£1.3m
Profit after tax£2m£1.2m£998k
Profit (best available)£2m£1.2m£998k
Staff costs£2.2m£2.9m£3.1m
Employees (average)485759
Ratios
Profit margin27.5%10.8%6.8%
Gross margin44.1%32%32.6%
Revenue per employee£150k£199k£248k
Profit per employee£41.3k£21.4k£16.9k
Growth (year on year)
Revenue growth—▲57.3%▲29.2%
Profit growth—▼38.4%▼18.3%
Headcount growth—▲18.8%▲3.5%
Balance sheet — indirect signals, not revenue
Cash at bank£436k£1.3m£1m
Net assets£3.7m£4.4m£5.4m
Fixed assets£5.5m£4.8m£6.2m
Current assets£6.4m£3.6m£6.1m
Debtors£838k£968k£2.8m
SourceFullAccounts · bulk data Oct 2025FullAccounts · bulk data Oct 2025FullAccounts · bulk data Oct 2026
Derived from the latest filing

How the business works

Profit margin
6.8%
Profit ÷ revenue.
Gross margin
32.6%
Gross profit ÷ revenue. High for software and services.
Revenue per employee
£248k
Revenue ÷ average employees.
Profit per employee
£16.9k
Profit ÷ average employees.
Cash conversion
—
Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue
42.3%
Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue
—
Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue
18.8%
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
▲23%
Now £5.4m
Cash at bank
▼17%
Now £1m
Headcount
▲4%
Now 59
Deferred income
—
Now —
Fixed assets
▲30%
Now £6.2m
Corporate ownership

Group structure

Ownership chain

  1. RSK Group Limitedultimate parent75–100%
  2. RSK Environment Limited75–100%
  3. Spencer Quantum Limitedthis company

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

Subsidiaries (1)

Sister companies (132)

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

Same industry, similar size

Similar profitable businesses

Industry benchmarks →

Sources

Companies House profile Filing history & original accounts

Latest figures from FullAccounts for the year to 31 Mar 2026 (profit £998k), from the Companies House accounts bulk data published Oct 2026. Spotted an error? Request a correction.

Updated from Companies House on 23 Oct 2026

Contains public sector information from Companies House licensed under the Open Government Licence v3.0. Data from Companies House, © Crown copyright. View the licence.