- Companies
- Specialist contractors
- Seaham
- Buffalo Power Services Limited
Buffalo Power Services Limited
- Company number
- 04910686
- Incorporated
- 24 Sep 200323 years trading
- Registered office
- Lynwood, Seaton, Seaham, County Durham, SR7 0NB
- Nature of business
- Other specialised construction activities n.e.c.
Buffalo Power Services Limited is a 23-year-old private limited company registered in Seaham, company number 04910686, one of 11 specialist construction companies in Seaham. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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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 £393K (+24.9%) on the year before, to £2M.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £1.8M against £311K owed within a year: 5.8 times cover.
- 15 employees on average, up from 14 the year before.
- 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 |
|---|---|---|---|---|---|
| 30 Nov 2025 | £2M | £1.5M | £1.8M | £311K | 15 |
| 30 Nov 2024 | £1.6M | £915K | £1.3M | £228K | 14 |
| 30 Nov 2023 | £1.2M | £1.1M | £1.5M | £384K | 14 |
| 30 Nov 2022 | £766K | £719K | £939K | £344K | 14 |
| 30 Nov 2021 | £467K | £655K | £787K | £264K | 13 |
| 30 Nov 2020 | £486K | £246K | £653K | £86K | 13 |
| 30 Nov 2019 | £728K | £579K | £740K | £150K | 13 |
| 30 Sep 2018 | £537K | £390K | £560K | £125K | 13 |
| 30 Sep 2017 | £569K | £400K | £610K | £141K | 13 |
| 30 Sep 2016 | £520K | £527K | £637K | £220K |
Where Buffalo Power Services Limited is registered
The registered office is in Seaham (SR7), in the County Durham local authority area, North East. Show SR7 0NB on a map.
Other trade companies in SR7
- Northeast Hygiene Solution LtdCleaning companies
- Wraccess LimitedElectricians
- GS Groundworks Ne LtdCivil engineering
- Alloy Wheel Studio LimitedMechanics and garages
- Leewoods Developments LtdProperty developers
- Parker Clarke Group LtdMachinery repair and installation
- Coast 2 Coast Builders LtdBuilders
- Technalight LtdElectricians
What happens if Buffalo Power Services 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 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 04910686
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 September 2003 (23 years ago)
- Registered office
- Lynwood, Seaton, Seaham, County Durham, SR7 0NB
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 24 September 2026
- Charges (mortgages)
- 2 outstanding of 3 registered
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Seaham
Other active specialist construction companies registered in Seaham.
- Drilcorp Limited1992
- Eleganz Constructions Limited2016
- L.Brunning Inspection Services Ltd2022
- Odin Construction Services Ltd2025
- Office Glass Partitions Northern Limited2015
- Retroflo Limited2007
- SLD Planning Ltd2016
- ST. Astier Limited2003
All specialist construction companies in Seaham · All trades in Seaham · Specialist contractors across the UK
Frequently asked questions
When are Buffalo Power Services Limited's accounts due?
Buffalo Power Services Limited's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is Buffalo Power Services Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Buffalo Power Services Limited still trading?
Buffalo Power Services 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 Buffalo Power Services Limited do?
Buffalo Power Services Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Buffalo Power Services Limited?
Buffalo Power Services Limited was incorporated on 24 September 2003, 23 years ago.
What is the penalty if Buffalo Power Services 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 Buffalo Power Services 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.