- Companies
- Civil engineering
- Lisburn
- Ian Black Consulting Limited
Ian Black Consulting Limited
- Company number
- NI046129
- Incorporated
- 10 Apr 200323 years trading
- Registered office
- Garvey Studios, 14 Longstone Street, Lisburn, Co. Antrim, BT28 1TP
- Nature of business
- Construction of other civil engineering projects n.e.c.
Ian Black Consulting Limited is a 23-year-old private limited company registered in Lisburn, company number NI046129, one of 26 civil engineering contractors in Lisburn. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 Ian Black Consulting 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 down £59K (-17.3%) on the year before, to £285K.
- Net assets rose in 2 of 9 year-on-year comparisons on record.
- Current assets of £258K against £133K owed within a year: 1.9 times cover.
- 9 employees on average, down from 11 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 Apr 2025 | £285K | £142K | £258K | £133K | 9 |
| 30 Apr 2024 | £345K | £58K | £280K | £115K | 11 |
| 30 Apr 2023 | £386K | £156K | £333K | £150K | 11 |
| 30 Apr 2022 | £406K | £194K | £269K | £87K | 12 |
| 30 Apr 2021 | £437K | £191K | £294K | £93K | 13 |
| 30 Apr 2020 | £542K | £273K | £383K | £144K | 15 |
| 30 Apr 2019 | £527K | £172K | £379K | £184K | 16 |
| 30 Apr 2018 | £528K | £83K | £313K | £150K | 16 |
| 30 Apr 2017 | £551K | £366K | £541K | £167K | 14 |
| 30 Apr 2016 | £528K | £322K | £514K | £161K |
Where Ian Black Consulting Limited is registered
The registered office is in Lisburn (BT28), in the Lisburn and Castlereagh local authority area, Northern Ireland. Show BT28 1TP on a map.
Other trade companies in BT28
- Lisburn Autohub LtdMotor traders
- Ultralift Facilities Management LtdFacilities management
- Ultimate Tinting Lisburn LtdMotor traders
- A H Assist Cars LtdMotor traders
- Northpeak Developments LtdProperty developers
- Built by D Design and Build LtdProperty developers
- Lagan to Liffey Electrical Contractors LtdElectricians
- Ez Trade Solutions LtdJoiners and carpenters
Also registered at this address
6 other companies use the same registered office as Ian Black Consulting Limited.
- Belmont Plumbing Services LtdPlumbers and heating engineers
- Johnston Pedlow LtdCivil engineering
- Law Commercials LtdMechanics and garages
- One New Enterprise Properties LimitedProperty developers
- PMH Homes LtdBuilders
- T M Campbell & Son LtdProperty developers
What happens if Ian Black Consulting 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- NI046129
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 April 2003 (23 years ago)
- Registered office
- Garvey Studios, 14 Longstone Street, Lisburn, Co. Antrim, BT28 1TP
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 10 April 2026
- Charges (mortgages)
- 0 outstanding of 3 registered
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Lisburn
Other active civil engineering contractors registered in Lisburn.
- Je Signalling Ltd2024
- JKG Properties Limited2005
- John Campbell & Sons Limited2006
- Johnston Pedlow Ltd2022
- JSR Jointing Ltd2023
- KPM Surfacing Ltd2012
- Larkfield Structures Ltd2022
- Newrock Engineering Limited2009
All civil engineering contractors in Lisburn · All trades in Lisburn · Civil engineering across the UK
Frequently asked questions
When are Ian Black Consulting Limited's accounts due?
Ian Black Consulting Limited's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Ian Black Consulting Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Ian Black Consulting Limited still trading?
Ian Black Consulting 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 Ian Black Consulting Limited do?
Ian Black Consulting Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Ian Black Consulting Limited?
Ian Black Consulting Limited was incorporated on 10 April 2003, 23 years ago.
What is the penalty if Ian Black Consulting 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 Ian Black Consulting 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.