£1
No changevs Mar 2025ActiveNI712098Private limited companyOmagh
CELTONN TECHNOLOGY LIMITED
Significant control: Mark John Kelly (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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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What does Celtonn Technology Limited sell?
Registered activity: Engineering design activities for industrial process and production (SIC 71121). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
CELTONN TECHNOLOGY LIMITED is an active private limited company (company number NI712098) incorporated on 20 March 2024, registered in Omagh. Its registered activity is engineering design activities for industrial process and production (SIC 71121). Latest dormant accounts cover the period ending 31 March 2026, showing net assets of £1. Net assets were unchanged on the prior period.
Peer position · net assets
By net assets it sits in the lower half of 109 comparable companies in Belfast (median £4,901, upper quartile £37k).
02
Ownership and control
- Dr Mark John Kelly
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
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
- 20 March 20242 yrs ago
- Next accounts due
- 31 December 2027in 433 days
- Confirmation statement due
- 3 April 2027in 161 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 71121
- Engineering design activities for industrial process and production
- Accounts type
- Dormant
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not reported
Not reported
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2026 | £1 | — | — | — | — | — | — |
| 31 March 2025 | £1 | — | — | — | — | — | — |
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 £1 at 31 March 2026
- Incorporated two to five years agoIncorporated 20 March 2024
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 433 days
- Confirmation statement duein 161 days
- Accounts period endNet assets £1 · dormant accounts
- Accounts period endNet assets £1 · dormant accounts
- Incorporated
08
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- LIQUID CARBON TECHNOLOGIES UK LTDDerry · inc. May 2024
- MCAT SYSTEMS LTDDungannon · inc. Jan 2024
- GCM INDUSTRIAL ENGINEERING (NI) LTDBelfast · inc. Jun 2024
- SLIEVE GULLION ENGINEERING LTDNewry · inc. Dec 2023
All companies incorporated on 20 March 2024 · in Mar 2024.
09
Reminders for CELTONN TECHNOLOGY LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.