How much does Wisetek UK Limited make?

Wisetek UK Limited reported revenue of £3.9m and £857k profit in the year to 31 Dec 2025, according to its accounts filed at Companies House.

Is Wisetek UK Limited profitable?

Yes — Wisetek UK Limited reported a profit of £857k in the year to 31 Dec 2025.

Company No. 11269096 · Incorporated 22 Mar 2018

Wisetek UK Limited

Registered name: WISETEK UK LIMITED

Part of Iron Mountain Incorporated group

Wisetek UK Limited made £3.9m revenue and £857k profit in the year to 31 Dec 2025.

Wisetek UK Limited’s revenue grew 137% to £3.9m in the year to 31 Dec 2025, with £857k profit. The company is classified under “other information technology service activities” and is based in Lutterworth; we hold 5 years of its filed accounts.

Full P&L filedSection J · Information and communicationSIC 62090Other information technology service activities SIC 95110Repair of computers and peripheral equipment

Status: Active
Location: Lutterworth, East Midlands
Age: 8 yrs · since 2018
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.

Latest accounts · year to 31 Dec 2025

Key figures

Revenue

£3.9m

Growth ▲136.8%

Profit

£857k

Growth —

Profit margin

22.2%

Gross 32.1%

Employees

—

Change —

Profit / employee

—

Profitable streak

1yr

Consecutive profitable years in our data

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

5 filed years

Financial history

Multi-year financials, oldest to newest
Year to	31 Oct 2022	31 Oct 2023	31 Dec 2023	31 Dec 2024	31 Dec 2025
Disclosure	No P&L	No P&L	Full P&L	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	—	—	£1.5m	£1.6m	£3.9m
Cost of sales	—	—	−£992k	−£1.1m	−£2.6m
Gross profit	—	—	£493k	£534k	£1.2m
Operating profit	—	—	−£718k	−£914k	£869k
Profit before tax	—	—	−£722k	−£1m	£857k
Profit after tax	—	—	−£722k	−£1m	£857k
Profit (best available)	—	—	−£722k	−£1m	£857k
Employees (average)	10	13	15	16	—
Ratios
Profit margin	—	—	−48.6%	−62%	22.2%
Gross margin	—	—	33.2%	32.8%	32.1%
Revenue per employee	—	—	£99k	£102k	—
Profit per employee	—	—	−£48.1k	−£63.1k	—
Growth (year on year)
Revenue growth	—	—	—	▲9.8%	▲136.8%
Headcount growth	—	▲30%	—	▲6.7%	—
Balance sheet — indirect signals, not revenue
Cash at bank	£488k	£745k	—	—	—
Net assets	£270k	−£1.9m	—	—	—
Fixed assets	£31.3k	£26.6k	—	—	—
Current assets	£488k	£745k	—	—	—
Source	AbridgedAccounts · bulk data Jul 2024	AbridgedAccounts · bulk data Jul 2024	Accounts · bulk data Jan 2026	Accounts · bulk data Jan 2026	Accounts · bulk data Aug 2026

Derived from the latest filing

How the business works

Profit margin: 22.2%; Profit ÷ revenue.
Gross margin: 32.1%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: —; Revenue ÷ average employees.
Profit per employee: —; 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: —; Now —
Deferred income: —; Now —
Fixed assets: —; Now —

Corporate ownership

Group structure

Ownership chain

Iron Mountain Incorporated (registered outside the UK register)ultimate parent75–100%
Iron Mountain Europe (Group) Limited75–100%
Iron Mountain Europe Limited75–100%
Iron Mountain International (Holdings) Limited75–100%
Wisetek UK Limitedthis company

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

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 31 Dec 2025 (profit £857k), from the Companies House accounts bulk data published Aug 2026. Spotted an error? Request a correction.

Updated from Companies House on 12 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.