- Company number
- NI638825
- Incorporated
- 2 Jun 201610 years trading
- Registered office
- 15A McCrums Court, Scotch Street, Armagh, BT61 7BY
- Nature of business
- Roofing activities
Sealmax Roofing Limited is a 10-year-old private limited company registered in Armagh, company number NI638825, one of 7 roofing companies in Armagh. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 Sealmax Roofing 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 £48K (+22.6%) on the year before, to £263K.
- Net assets rose in 5 of 8 year-on-year comparisons on record.
- Current assets of £447K against £254K owed within a year: 1.8 times cover.
- 7 employees on average, down from 8 the year before.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £263K | £126K | £447K | £254K | 7 |
| 30 Jun 2024 | £215K | £226K | £300K | £144K | 8 |
| 30 Jun 2023 | £101K | £44K | £156K | £72K | 11 |
| 30 Jun 2022 | £93K | £14K | £107K | £55K | 12 |
| 30 Jun 2021 | £79K | £116K | £151K | £97K | 7 |
| 30 Jun 2020 | £11K | £29K | £69K | £61K | 5 |
| 30 Jun 2019 | £28K | £0 | £40K | £19K | 5 |
| 30 Jun 2018 | £29K | £39K | £50K | £23K | |
| 30 Jun 2017 | £36K | £43K | £73K | £67K |
Who runs and owns Sealmax Roofing Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| K*** A*** | Director | Feb 2023 |
| S*** M*** | Director | Feb 2023 |
4 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| W*** A*** | Director | Jan 2017 | Jul 2018 |
| S*** M*** | Director | Dec 2019 | Sep 2021 |
| S*** M*** | Director | Jun 2016 | Feb 2023 |
| D*** M*** | Director | Jun 2016 | Sep 2022 |
Person with significant control
Where Sealmax Roofing Limited is registered
The registered office is in Armagh (BT61), in the Armagh City, Banbridge and Craigavon local authority area, Northern Ireland. Show BT61 7BY on a map.
Other trade companies in BT61
- MTC Global LtdMotor traders
- Solid Rock Construction LtdProperty developers
- P.Kelly Recycling LimitedGroundworks and demolition
- Sre Contracts LtdElectricians
- McArdle Roofing and Joinery LtdJoiners and carpenters
- Hughes Power and Civils LtdElectricians
- Aquarius Pumps N.I. LtdSpecialist contractors
- Four Seasons Garden Care & Maintenance LtdRoofers
What happens if Sealmax Roofing 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- NI638825
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 June 2016 (10 years ago)
- Registered office
- 15A McCrums Court, Scotch Street, Armagh, BT61 7BY
- Nature of business
- Roofing activities (SIC 43910)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 1 June 2026
Filing notes for roofing companies
Roofing companies commonly work under CIS and run vans and access equipment, so CIS deductions and capital allowances are the two things to get right.
Similar companies in Armagh
Other active roofing companies registered in Armagh.
- Stormproof: Roofing & Coating Contracts Ltd2025
- Zwecker Engineering Limited2022
- Four Seasons Garden Care & Maintenance Ltd2026
- Muldoon Flat Roofing Ltd2026
- Pristine Roofing & Guttering Ltd2025
- R J Park Contracts Ltd2026
All roofing companies in Armagh · All trades in Armagh · Roofers across the UK
Frequently asked questions
When are Sealmax Roofing Limited's accounts due?
Sealmax Roofing Limited's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Sealmax Roofing Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Sealmax Roofing Limited still trading?
Sealmax Roofing 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 Sealmax Roofing Limited do?
Sealmax Roofing Limited is registered under Roofing activities (SIC 43910).
How old is Sealmax Roofing Limited?
Sealmax Roofing Limited was incorporated on 2 June 2016, 10 years ago.
Who runs Sealmax Roofing Limited?
Sealmax Roofing Limited has 2 active directors, the longest-serving appointed in Feb 2023. Their names and service addresses are on the Companies House register.
Who owns Sealmax Roofing Limited?
One person or company has significant control of Sealmax Roofing Limited: an individual (owns 75% or more of the shares).
What is the penalty if Sealmax Roofing 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 Sealmax Roofing 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.