- Companies
- Specialist contractors
- Guildford
- Optimum Structures Limited
Optimum Structures Limited
- Company number
- 07889733
- Incorporated
- 22 Dec 201114 years trading
- Registered office
- Unit 17 the Pines Business Park, Broad Street, Guildford, GU3 3BH
- Nature of business
- Other specialised construction activities n.e.c.
Optimum Structures Limited is a 14-year-old private limited company registered in Guildford, company number 07889733, one of 54 specialist construction companies in Guildford. 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.
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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 down £1,660 (-18%) on the year before, to £7,575.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £240K against £233K owed within a year: 1.0 times cover.
- 3 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 | £7,575 | £240K | £233K | 3 | |
| 31 Dec 2024 | £9,235 | £189K | £180K | 3 | |
| 31 Dec 2023 | £14K | £163K | £149K | 3 | |
| 31 Dec 2022 | £14K | £180K | £166K | 3 | |
| 31 Dec 2021 | £7,225 | £194K | £187K | 3 | |
| 31 Dec 2020 | £5,957 | £146K | £140K | 3 | |
| 31 Dec 2019 | £5,505 | £97K | £91K | 3 | |
| 31 Dec 2018 | £15K | £107K | £92K | ||
| 31 Dec 2017 | £15K | £78K | £63K | ||
| 31 Dec 2016 | £15K | £99K | £85K |
Where Optimum Structures Limited is registered
The registered office is in Guildford (GU3), in the Guildford local authority area, South East. Show GU3 3BH on a map.
Other trade companies in GU3
- Surrey Air Solutions LtdPlumbers and heating engineers
- Ig Services LtdSpecialist contractors
- Prem-Tech Heating LtdPlumbers and heating engineers
- Wild Acre Tree Specialists LimitedLandscapers and gardeners
- Huber Property Group LimitedBuilders
- Sma Autos LtdMechanics and garages
- Surrey Green Group LtdFinishing trades
- Guild Building Contractors LtdBuilders
What happens if Optimum Structures 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
- 07889733
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 December 2011 (14 years ago)
- Registered office
- Unit 17 the Pines Business Park, Broad Street, Guildford, GU3 3BH
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 23 October 2025
- Previous names
- Arizon Structures Limited (until 8 Sep 2021)
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 Guildford
Other active specialist construction companies registered in Guildford.
- PKT Project Management Ltd2025
- Pulse Mapping Ltd2011
- SB Solar Ltd2018
- Silverleaf Spaces Ltd2020
- Surrey Av Solutions Ltd2018
- Surrey Building & Groundworks Ltd2018
- Sustainable Bright Ltd2015
- Technics Group Limited1999
All specialist construction companies in Guildford · All trades in Guildford · Specialist contractors across the UK
Frequently asked questions
When are Optimum Structures Limited's accounts due?
Optimum Structures Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Optimum Structures 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 Optimum Structures Limited still trading?
Optimum Structures 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 Optimum Structures Limited do?
Optimum Structures Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Optimum Structures Limited?
Optimum Structures Limited was incorporated on 22 December 2011, 14 years ago.
What is the penalty if Optimum Structures 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 Optimum Structures 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.