£265k
−19%vs Mar 2024ActiveSC221253Private limited companyDumfries & Galloway
A.I. TONNAR LIMITED
Significant control: Colin Kerr (25–50%), Thomas Spencer Thomson (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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: Construction of commercial buildings (SIC 41201). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
A.I. TONNAR LIMITED is an active private limited company (company number SC221253) incorporated on 16 July 2001, registered in Dumfries & Galloway. Its registered activity is construction of commercial buildings (SIC 41201). Latest small accounts cover the period ending 31 March 2025, showing net assets of £265k and cash of £215k, with 5 employees on average. Net assets fell 19% on the prior period (£325k).
Peer position · net assets
By net assets it sits in the top quarter of 3,181 comparable companies in Other (median £11k, upper quartile £102k).
02
Ownership and control
- Mr Colin Kerr
- owns 25–50% of shares
- holds 25–50% of voting rights
- Mr Thomas Spencer Thomson
- owns 25–50% of shares
- holds 25–50% of voting rights
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
- 16 July 200125 yrs ago
- Next accounts due
- 31 December 2026in 67 days
- Confirmation statement due
- 30 July 2027in 278 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 41201
- Construction of commercial buildings
- SIC 41202
- Construction of domestic buildings
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£215k
−22%vs Mar 2024Not reported
5
No changevs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £265k | £215k | £24k | — | — | — | 5 |
| 31 March 2024 | £325k | £275k | £7,084 | — | — | — | 5 |
Cash per employee£43kCash ÷ 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 £264,534 at 31 March 2025
- Cash at bank of £50,000 or moreCash £214,529
- Incorporated five or more years agoIncorporated 16 July 2001
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
- Confirmation statement duein 278 days
- Next accounts duein 67 days
- Accounts period endNet assets £265k · small accounts
- Accounts period endNet assets £325k · small accounts
- Incorporated
08
Similar companies in the UK
- HALIDAY CONSTRUCTION LIMITEDHarrogate · inc. Jul 2001
- M T MILLS (CIVIL CONTRACTORS) LIMITEDNewton Abbot · inc. Jul 2001
- SOUTH HAMS MECHANICAL SERVICES LTDPlymouth · inc. Jul 2001
- FORTNUM & WOOLLEY LIMITEDDumfries · inc. Jul 2001
- MATRIX IDC LIMITEDShrewsbury · inc. Jul 2001
- BEDW LIMITEDSt. Asaph · inc. Jun 2001
All companies incorporated on 16 July 2001 · in Jul 2001.
09
Reminders for A.I. TONNAR LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.