- Companies
- Machinery repair and installation
- Aberdeen
- Proteus Dynamic Ltd
Proteus Dynamic Ltd
- Company number
- SC367439
- Incorporated
- 26 Oct 200916 years trading
- Registered office
- Scotstown Moor Base Scotstown Moor Base, Sheilhill, Bridge of Don, Aberdeen, AB23 8NN
- Nature of business
- Repair of electronic and optical equipment; Repair and maintenance of ships and boats; Installation of industrial machinery and equipment; Repair of computers and peripheral equipment
Proteus Dynamic Ltd is a 16-year-old private limited company registered in Aberdeen, company number SC367439, one of 92 machinery repair and installation companies in Aberdeen. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 Proteus Dynamic LtdOr 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 £218K (+31.4%) on the year before, to £914K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £747K against £238K owed within a year: 3.1 times cover.
- 4 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 Oct 2025 | £914K | £166K | £747K | £238K | 4 |
| 31 Oct 2024 | £696K | £125K | £636K | £294K | 4 |
| 31 Oct 2023 | £542K | £253K | £588K | £173K | 2 |
| 31 Oct 2022 | £289K | £90K | £300K | £82K | 2 |
| 31 Oct 2021 | £247K | £94K | £277K | £49K | 2 |
| 31 Oct 2020 | £251K | £91K | £292K | £85K | 3 |
| 31 Oct 2019 | £281K | £91K | £287K | £64K | 4 |
| 31 Oct 2018 | £254K | £7,146 | £288K | £105K | 4 |
| 31 Oct 2017 | £209K | £71K | £184K | £47K | 4 |
| 31 Oct 2016 | £193K | £106K | £238K | £131K |
Where Proteus Dynamic Ltd is registered
The registered office is in Aberdeen (AB23), in the Aberdeen City local authority area, Scotland. Show AB23 8NN on a map.
Other trade companies in AB23
- Home Glow Duo LtdCleaning companies
- Bennett Electrical Services LtdMachinery repair and installation
- Balgownie Painting and Decorating LtdPlasterers
- Ga Building Services (Scotland) LimitedLandscapers and gardeners
- Motobench LtdMotor traders
- Andy Reid Joinery LimitedJoiners and carpenters
- Westside Recovery LimitedMechanics and garages
- Retreatment Group LtdProperty developers
What happens if Proteus Dynamic Ltd 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 31 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- SC367439
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 October 2009 (16 years ago)
- Registered office
- Scotstown Moor Base Scotstown Moor Base, Sheilhill, Bridge of Don, Aberdeen, AB23 8NN
- Nature of business
- Repair of electronic and optical equipment (SIC 33130)
Repair and maintenance of ships and boats (SIC 33150)
Installation of industrial machinery and equipment (SIC 33200)
Repair of computers and peripheral equipment (SIC 95110) - Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 26 January 2026
- Charges (mortgages)
- 3 outstanding of 3 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 Aberdeen
Other active machinery repair and installation companies registered in Aberdeen.
- RB Mower Services Ltd2023
- React Electrical (Aberdeen) Ltd2026
- Remserv Subsea Ltd2026
- Ropex Ltd2025
- RT Site Services (Scotland) Ltd2021
- RW Baikie Electrical Services Ltd2020
- Samjay Global Ltd2025
- Saxon Engineering Limited2024
All machinery repair and installation companies in Aberdeen · All trades in Aberdeen · Machinery repair and installation across the UK
Frequently asked questions
When are Proteus Dynamic Ltd's accounts due?
Proteus Dynamic Ltd's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is Proteus Dynamic Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Proteus Dynamic Ltd still trading?
Proteus Dynamic Ltd 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 Proteus Dynamic Ltd do?
Proteus Dynamic Ltd is registered under Repair of electronic and optical equipment (SIC 33130); Repair and maintenance of ships and boats (SIC 33150); Installation of industrial machinery and equipment (SIC 33200); Repair of computers and peripheral equipment (SIC 95110).
How old is Proteus Dynamic Ltd?
Proteus Dynamic Ltd was incorporated on 26 October 2009, 16 years ago.
What is the penalty if Proteus Dynamic Ltd 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 Proteus Dynamic Ltd 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.