Not reported
Active07875186Private limited companyKingston Upon Thames
HEAVY SPECTRUM LIMITED
Significant control: Matthew Birch (25–50%), Yukiko Konno (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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Registered activity: Business and domestic software development (SIC 62012). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
HEAVY SPECTRUM LIMITED is an active private limited company (company number 07875186) incorporated on 8 December 2011, registered in Kingston Upon Thames. Its registered activity is business and domestic software development (SIC 62012). Latest small accounts cover the period ending 31 March 2025 and cash of £467, with 2 employees on average.
There are 4,366 companies in business and domestic software development in Greater London with filed accounts; the median reports net assets of £1,196 and is 8 years old.
02
Ownership and control
- Mr Matthew Birch
- owns 25–50% of shares
- can appoint or remove directors
- Yukiko Konno
- owns 25–50% of shares
- can appoint or remove directors
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 8 December 201114 yrs ago
- Next accounts due
- 31 December 2026in 66 days
- Confirmation statement due
- 22 December 2026in 57 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 62012
- Business and domestic software development
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£467
−79%vs Mar 2024Not reported
2
No changevs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | — | £467 | £0 | £22k | — | — | 2 |
| 31 March 2024 | — | £2,264 | £53 | £12k | — | — | 2 |
Current ratio0.02Current assets ÷ creditors within one year
Cash per employee£234Cash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Current assets below creditors within one yearCurrent ratio 0.02
- Incorporated five or more years agoIncorporated 8 December 2011
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
07
Timeline
- Next accounts duein 66 days
- Confirmation statement duein 57 days
- Accounts period end
- Accounts period end
- Incorporated
08
Similar companies in Greater London
- CAPTUREFOUR LIMITEDRomford · inc. Dec 2011
- HPUROHIT INFRACON LIMITEDWembley · inc. Dec 2011
- UCAD LTDBexleyheath · inc. Dec 2011
- SONELLI LTDChertsey · inc. Dec 2011
- PAGRAV SOLUTIONS LTDCroydon · inc. Dec 2011
- UCHSOFT LIMITEDSutton · inc. Dec 2011
All companies incorporated on 8 December 2011 · in Dec 2011.
09
Reminders for HEAVY SPECTRUM LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.