£143.61m
+10%vs Dec 2024Active08979990Private limited companyLeeds
TAMPNET UK LIMITED
Significant control: Colombo Bidco Limited (75–100%), 3i Investments PLC (significant control) and 1 more
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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Registered activity: Other telecommunications activities (SIC 61900). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
TAMPNET UK LIMITED is an active private limited company (company number 08979990) incorporated on 4 April 2014, registered in Leeds. Its registered activity is other telecommunications activities (SIC 61900). Latest full accounts cover the period ending 31 December 2025, showing net assets of £143.61m and cash of £4.15m, with 13 employees on average. Turnover was £37.73m and profit for the year £13.27m. Net assets rose 10% on the prior period (£130.34m).
Peer position · net assets
By net assets it sits in the top quarter of 180 comparable companies in Leeds (median £4,515, upper quartile £58k).
02
Ownership and control
- Colombo Bidco Limited
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
- 3i Investments Plc
- has significant influence or control
- 3i Infrastructure Plc
- has significant influence or control
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 4 April 201412 yrs ago
- Next accounts due
- 30 September 2027in 340 days
- Confirmation statement due
- 18 April 2027in 175 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 61900
- Other telecommunications activities
- Accounts type
- Full
- Size band
- MediumCompanies Act thresholds
05
Financials
£4.15m
+1%vs Dec 2024£37.73m
Not reported the period before13
−7%vs Dec 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2025 | £143.61m | £4.15m | — | £11.91m | £37.73m | £13.27m | 13 |
| 31 December 2024 | £130.34m | £4.09m | £125.10m | £15.49m | — | £12.82m | 14 |
| 1 January 2024 | — | — | — | — | — | — | — |
| 31 December 2023 | £117.52m | £6.97m | £110.73m | £17.48m | — | £37.48m | 13 |
| 31 December 2022 | — | — | — | — | — | — | — |
Current ratio11.85Current assets ÷ creditors within one year
Net margin35.2%Profit for the year ÷ turnover
Cash per employee£319kCash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets above zeroNet assets £143,612,850 at 31 December 2025
- Net assets up 10% or more on the prior period+10.2% vs prior period
- Current assets at least 1.5× creditors within one yearCurrent ratio 11.85
- Cash at bank of £50,000 or moreCash £4,151,143
- Three or more accounting periods on record5 periods on record
- Incorporated five or more years agoIncorporated 4 April 2014
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
07
Timeline
- Next accounts duein 340 days
- Confirmation statement duein 175 days
- Accounts period endNet assets £143.61m · full accounts
- Accounts period endNet assets £130.34m · full accounts
- Accounts period end
- Accounts period endNet assets £117.52m · full accounts
- Accounts period end
- Incorporated
08
Similar companies in Leeds
09
Reminders for TAMPNET UK LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.