- Companies
- Machinery repair and installation
- Halesworth
- Seath Instruments (1992) Limited
Seath Instruments (1992) Limited
- Company number
- 02756303
- Incorporated
- 16 Oct 199233 years trading
- Registered office
- Georgian House, 34 Thoroughfare, Halesworth, Suffolk, IP19 8AP
- Nature of business
- Repair and maintenance of ships and boats
Seath Instruments (1992) Limited is a 33-year-old private limited company registered in Halesworth, company number 02756303, one of 10 machinery repair and installation companies in Halesworth. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Seath Instruments (1992) LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £9,037 (+10.6%) on the year before, to £94K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £113K against £30K owed within a year: 3.7 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £94K | £63K | £113K | £30K | 2 |
| 31 Dec 2024 | £85K | £80K | £117K | £37K | 2 |
| 31 Dec 2023 | £101K | £86K | £126K | £31K | 2 |
| 31 Dec 2022 | £85K | £62K | £108K | £29K | 2 |
| 31 Dec 2021 | £55K | £46K | £64K | £15K | 2 |
| 31 Dec 2020 | £58K | £43K | £70K | £17K | 2 |
| 31 Dec 2019 | £32K | £25K | £49K | £19K | 2 |
| 31 Dec 2018 | £27K | £29K | £50K | £25K | 2 |
| 31 Dec 2017 | £1,410 | £389 | £74K | £24K | 3 |
| 31 Dec 2016 | £57K | £106K | £139K | £83K | 3 |
Where Seath Instruments (1992) Limited is registered
The registered office is in Halesworth (IP19), in the East Suffolk local authority area, East of England. Show IP19 8AP on a map.
Other trade companies in IP19
- Aldridge Renovations LimitedFinishing trades
- Neat Spaces LtdCleaning companies
- Firmly Rooted Grounds and Gardens LimitedLandscapers and gardeners
- T&B Paving LtdInstallers
- James Tyler Wilson LimitedFinishing trades
- Renover Property LtdProperty developers
- Green Clean Services LtdCleaning companies
- JRM Motors LimitedMotor traders
Shared registered office
44 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Seath Instruments (1992) Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 02756303
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 October 1992 (33 years ago)
- Registered office
- Georgian House, 34 Thoroughfare, Halesworth, Suffolk, IP19 8AP
- Nature of business
- Repair and maintenance of ships and boats (SIC 33150)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 30 May 2026
- Charges (mortgages)
- 1 outstanding of 2 registered
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Halesworth
Other active machinery repair and installation companies registered in Halesworth.
- SJ'S UK Engineering Ltd2021
- Amps & Stephenson Limited2003
- Baldwins Electrical Services Ltd2016
- East Suffolk Hydraulic Hoses Limited2014
- G Engineering Limited2013
- Inflatesafe Ltd2023
- Marine Instrument Calibration Limited2017
- NJ Designs (Suffolk) Ltd2020
All machinery repair and installation companies in Halesworth · All trades in Halesworth · Machinery repair and installation across the UK
Frequently asked questions
When are Seath Instruments (1992) Limited's accounts due?
Seath Instruments (1992) Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Seath Instruments (1992) Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Seath Instruments (1992) Limited still trading?
Seath Instruments (1992) Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Seath Instruments (1992) Limited do?
Seath Instruments (1992) Limited is registered under Repair and maintenance of ships and boats (SIC 33150).
How old is Seath Instruments (1992) Limited?
Seath Instruments (1992) Limited was incorporated on 16 October 1992, 33 years ago.
What is the penalty if Seath Instruments (1992) Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Seath Instruments (1992) Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.