SUSTAINWARE LIMITED
Significant control: Helix International Group Limited (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
Watch this company
Get an email when Companies House records a change for Sustainware Limited: status, filings, accounts, officers or owners. Free.
Not live yet: alerts start by 15 December 2026. We store your email and this company number only, for these alerts. If alerts don’t launch, we tell you and delete your address. Privacy
What does Sustainware Limited sell?
Registered activity: Other software publishing (SIC 58290). We’re building product and service lists for UK companies. Get this one when it’s ready.
Summary
SUSTAINWARE LIMITED is an active private limited company (company number 07038265) incorporated on 12 October 2009, registered in London. Its registered activity is other software publishing (SIC 58290). Latest small accounts cover the period ending 30 November 2025, showing net assets of −£1.07m and cash of £3,252, with 20 employees on average. Net assets fell 302% on the prior period (£528k).
By net assets it sits in the bottom quarter of 2,698 comparable companies in London (median £100, upper quartile £9,081).
Ownership and control
- Helix International Group Limited
- owns 75–100% of shares
- holds 75–100% of voting rights
- 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.
Key dates
- Incorporated
- 12 October 200917 yrs ago
- Next accounts due
- 30 August 2027in 308 days
- Confirmation statement due
- 26 October 2027in 365 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 58290
- Other software publishing
- SIC 62090
- Other information technology service activities
- SIC 74909
- Other professional, scientific and technical activities n.e.c.
- Accounts type
- Small
- Size band
- MicroCompanies Act thresholds
Financials
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 November 2025 | −£1.07m | £3,252 | £136k | — | — | — | 20 |
| 30 November 2024 | £528k | £3,560 | £164k | — | — | — | 17 |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Filing and accounts signals
- Net assets below zeroNet assets £-1,065,437 at 30 November 2025
- Net assets down 25% or more on the prior period-301.7% vs prior period
- Incorporated five or more years agoIncorporated 12 October 2009
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.
Timeline
- Confirmation statement duein 365 days
- Next accounts duein 308 days
- Accounts period endNet liabilities £1.07m · small accounts
- Accounts period endNet assets £528k · small accounts
- Incorporated
Similar companies in London
- SEVONE UK LIMITEDLondon · inc. Sept 2009
- BAKING IT LTDLondon · inc. Sept 2009
- BLACKBAUD GLOBAL LTDLondon · inc. Aug 2009
- BBC MEDIA APPLICATIONS TECHNOLOGIES LIMITEDLondon · inc. Dec 2009
- MATAKO CONSULTANTS LIMITEDEast Ham · inc. Dec 2009
- SUPERFUNCO LIMITEDLondon · inc. Jul 2009
All companies incorporated on 12 October 2009 · in Oct 2009.
Reminders for SUSTAINWARE LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.