How much does Sponge Group Holdings Limited make?

Sponge Group Holdings Limited reported revenue of £12.6m and a loss of £5.5m in the year to 30 Apr 2025, according to its accounts filed at Companies House.

How many employees does Sponge Group Holdings Limited have?

Sponge Group Holdings Limited reported an average of 154 employees in the year to 30 Apr 2025.

Is Sponge Group Holdings Limited profitable?

No — Sponge Group Holdings Limited reported a loss of £5.5m in the year to 30 Apr 2025.

Company No. 11935701 · Incorporated 9 Apr 2019

Sponge Group Holdings Limited

Registered name: SPONGE GROUP HOLDINGS LIMITED

Part of Aliter Capital LLP group

Sponge Group Holdings Limited made £12.6m revenue and a £5.5m loss in the year to 30 Apr 2025.

Sponge Group Holdings Limited’s revenue fell 18% to £12.6m in the year to 30 Apr 2025, with a loss of £5.5m and 154 employees. The company is classified under “other information technology service activities” and is based in London; we hold 3 years of its filed accounts.

Full P&L filedSection J · Information and communicationSIC 62090Other information technology service activities

Status: Active
Location: London, London
Age: 7 yrs · since 2019
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.

Latest accounts · year to 30 Apr 2025

Key figures

Revenue

£12.6m

Growth ▼18.5%

Profit

−£5.5m

Growth —

Profit margin

−43.8%

Gross 69.7%

Employees

154

Change ▼9.9%

Profit / employee

−£35.7k

Revenue/employee £81.6k

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.

3 filed years

Financial history

Multi-year financials, oldest to newest
Year to	30 Apr 2023	30 Apr 2024	30 Apr 2025
Disclosure	Full P&L	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	£17.1m	£15.4m	£12.6m
Cost of sales	−£5.8m	−£5.3m	−£3.8m
Gross profit	£11.2m	£10.1m	£8.8m
Operating profit	−£2.9m	−£4.2m	−£4m
Profit before tax	−£4.3m	−£5.8m	−£5.5m
Profit after tax	−£4.4m	−£5.8m	−£5.5m
Profit (best available)	−£4.4m	−£5.8m	−£5.5m
Employees (average)	187	171	154
Ratios
Profit margin	−25.6%	−37.3%	−43.8%
Gross margin	65.8%	65.4%	69.7%
Revenue per employee	£91.2k	£90.1k	£81.6k
Profit per employee	−£23.3k	−£33.6k	−£35.7k
Growth (year on year)
Revenue growth	—	▼9.7%	▼18.5%
Headcount growth	—	▼8.6%	▼9.9%
Balance sheet — indirect signals, not revenue
Net assets	—	—	—
Source	Accounts · bulk data Nov 2024	Accounts · bulk data Nov 2024	Accounts · bulk data Jan 2026

Derived from the latest filing

How the business works

Profit margin: −43.8%; Profit ÷ revenue.
Gross margin: 69.7%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £81.6k; Revenue ÷ average employees.
Profit per employee: −£35.7k; 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.

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 —
Cash at bank: —; Now —
Headcount: ▼10%; Now 154
Deferred income: —; Now —
Fixed assets: —; Now —

Corporate ownership

Group structure

Ownership chain

Aliter Capital LLPultimate parent75–100%
Aliter Capital General Partner Limited75–100%
Ac Training Holdco Limited75–100%
Sponge Group Holdings Limitedthis company

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

Subsidiaries (1)

Sponge Group LimitedFigures not disclosed

Sister companies (1)

Ac TGP I LimitedFigures not disclosed

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 accounts for the year to 30 Apr 2025 (profit −£5.5m), from the Companies House accounts bulk data published Jan 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.