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Company No. 14615697 · Incorporated 25 Jan 2023

Blackspring Ltd

Registered name: BLACKSPRING LTD

Blackspring Ltd made £136k revenue and £3.4k profit in the year to 31 Jan 2026.

Blackspring Ltd’s revenue fell 13% to £136k in the year to 31 Jan 2026, with £3.4k profit and 1 employee. The company is classified under “other service activities” and is based in London; 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
London, London
Age
3 yrs · since 2023
Type
Private Limited Company
Latest accounts · year to 31 Jan 2026

Key figures

IndependentSmall teamYoung and profitable
Revenue
£136k
Growth ▼13.5%
Profit
£3.4k
Growth ▼74.6%
Profit margin
2.5%
Gross 83%
Employees
1
Change ▼75%
Profit / employee
£3.4k
Revenue/employee £136k
Profitable streak
2yrs
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 Jan 202431 Jan 202531 Jan 2026
DisclosureFull P&LFull P&LFull P&L
Profit & loss
Revenue (turnover)£11.2k£157k£136k
Gross profit£11.2k£157k£113k
Profit before tax−£486£13.3k£3.4k
Profit after tax−£486£13.3k£3.4k
Profit (best available)−£486£13.3k£3.4k
Staff costs£408£36.5k£15.5k
Employees (average)141
Ratios
Profit margin−4.3%8.5%2.5%
Gross margin100%100%83%
Revenue per employee£11.2k£39.2k£136k
Profit per employee−£486£3.3k£3.4k
Growth (year on year)
Revenue growth—▲1306%▼13.5%
Profit growth——▼74.6%
Headcount growth—▲300%▼75%
Balance sheet — indirect signals, not revenue
Net assets−£486£12.8k£13.7k
Current assets£463£64.5k£20.6k
SourceFilletedAccounts · bulk data May 2024FullAccounts · bulk data Mar 2025FullAccounts · bulk data Mar 2026
Derived from the latest filing

How the business works

Profit margin
2.5%
Profit ÷ revenue.
Gross margin
83%
Gross profit ÷ revenue. High for software and services.
Revenue per employee
£136k
Revenue ÷ average employees.
Profit per employee
£3.4k
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
▲7%
Now £13.7k
Cash at bank
—
Now —
Headcount
▼75%
Now 1
Deferred income
—
Now —
Fixed assets
—
Now —
Same industry, similar size

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Sources

Latest figures from FullAccounts for the year to 31 Jan 2026 (profit £3.4k), from the Companies House accounts bulk data published Mar 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.