- Companies
- Cleaning companies
- Northampton
- Optical Sciences Limited
Optical Sciences Limited
- Company number
- 03101124
- Incorporated
- 12 Sep 199531 years trading
- Registered office
- Unit 3 Charter Gate, Clayfield Close, Northampton, NN3 6QF
- Nature of business
- Specialised cleaning services
Optical Sciences Limited is a 31-year-old private limited company registered in Northampton, company number 03101124, one of 249 cleaning companies in Northampton. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 Optical Sciences 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 £36K (-11.8%) on the year before, to £269K.
- Net assets rose in 4 of 8 year-on-year comparisons on record.
- Current assets of £515K against £727K owed within a year: 0.7 times cover.
- 14 employees on average, down from 15 the year before.
- Balance sheets on record for 10 years, 2015 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £269K | £118K | £515K | £727K | 14 |
| 31 Jan 2024 | £305K | £238K | £581K | £733K | 15 |
| 31 Jan 2023 | £384K | £27K | £529K | £627K | 14 |
| 31 Jan 2022 | £500K | £70K | £520K | £510K | 14 |
| 31 Jan 2021 | £489K | £1,367 | £715K | £715K | 14 |
| 31 Jan 2020 | £494K | £344 | £711K | £740K | 13 |
| 31 Jan 2019 | £481K | £344 | £703K | £723K | 13 |
| 31 Jan 2017 | £376K | £8,949 | £432K | £412K | 13 |
| 31 Jan 2016 | £372K | £351 | £367K | £362K | |
| 31 Jan 2015 | £355K | £149 | £410K | £407K |
Who runs and owns Optical Sciences Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| R*** A*** | Director | Mar 2026 |
| D*** H*** | Director | Mar 2026 |
| R*** M*** | Director | Mar 2026 |
6 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| W*** A*** | Secretary | Dec 1995 | Jul 2022 |
| S*** S*** | Nominee Secretary | Sep 1995 | Dec 1995 |
| I*** A*** | Director | Dec 1995 | Mar 2026 |
| V*** A*** | Director | Jul 2022 | Mar 2026 |
| W*** A*** | Director | Oct 2004 | Mar 2026 |
| K*** L*** | Nominee director | Sep 1995 | Dec 1995 |
Person with significant control
Charges (secured borrowing)
All 2 registered charges have been satisfied. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| Crofton Place Investments Limited | Satisfied Nov 2025 | Mar 2010 |
| National Westminster Bank PLC | Satisfied Nov 2025 | Jan 2010 |
Public contracts won
Optical Sciences Limited has 3 public sector contract awards on record; the ones with their own published value total £41K, from 2019 to 2026. Source: Contracts Finder and Find a Tender award notices. 2 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Northumbria Healthcare Facilities Management1 award
- Calderdale and Huddersfield NHS Foundation Trust1 award
- Public Health England1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Northumbria Healthcare Facilities Management | Calibration of Climet Particle Counters and Climet Viable Counters | £15K | 28 Sep 2026 |
| Calderdale and Huddersfield NHS Foundation Trust | Annual service of aerosol photometer | £603 | 21 Dec 2022 |
| Public Health England | Provision of Slit Sampler | £25K | 4 Mar 2019 |
Where Optical Sciences Limited is registered
The registered office is in Northampton (NN3), in the West Northamptonshire local authority area, East Midlands. Show NN3 6QF on a map.
Other trade companies in NN3
- Building Services LtdBuilders
- Cma Constuction Group LtdSpecialist contractors
- Auto Correct Repairs LtdMotor traders
- LCK & Son LimitedLandscapers and gardeners
- Atlas Engeenering LtdCivil engineering
- Oakwell Energy Systems LtdElectricians
- Imdl Construction LtdBuilders
- BC Developments and Construction Group UK LtdProperty developers
What happens if Optical Sciences 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 03101124
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 September 1995 (31 years ago)
- Registered office
- Unit 3 Charter Gate, Clayfield Close, Northampton, NN3 6QF
- Nature of business
- Specialised cleaning services (SIC 81222)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 11 September 2026
- Charges (mortgages)
- 0 outstanding of 2 registered
Filing notes for cleaning companies
Cleaning companies are often staff-heavy, so wages, pension contributions and the employment allowance all show up in the accounts.
Similar companies in Northampton
Other active cleaning companies registered in Northampton.
- Orchard Home Cleaning Ltd2013
- Osadrew Services Ltd2026
- PCSM Ltd2019
- Perfection Cleaning Services Northampton Ltd2026
- Phoenix Cleaning (MK) Ltd2012
- PLC Proclean Ltd2022
- Premiershine Limited2025
- Prestige Hygiene UK Ltd2025
All cleaning companies in Northampton · All trades in Northampton · Cleaning companies across the UK
Frequently asked questions
When are Optical Sciences Limited's accounts due?
Optical Sciences Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Optical Sciences Limited's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Optical Sciences Limited still trading?
Optical Sciences 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 Optical Sciences Limited do?
Optical Sciences Limited is registered under Specialised cleaning services (SIC 81222).
How old is Optical Sciences Limited?
Optical Sciences Limited was incorporated on 12 September 1995, 31 years ago.
Who runs Optical Sciences Limited?
Optical Sciences Limited has 3 active directors, the longest-serving appointed in Mar 2026. Their names and service addresses are on the Companies House register.
Who owns Optical Sciences Limited?
One person or company has significant control of Optical Sciences Limited: Air Techniques International Ltd (owns 75% or more of the shares).
Has Optical Sciences Limited won public sector contracts?
Yes. Optical Sciences Limited has 3 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £41K), most recently from Northumbria Healthcare Facilities Management.
What is the penalty if Optical Sciences 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 Optical Sciences 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.