SINEWAVE DESIGN LIMITED

🚨Distressedactive
SC529241 · ltd · incorporated 2016-03-10
Investment thesis
Distressed but structurally messy — likely a value trap without major surgery.
Why interesting: Headline may look cheap; sector may be recovering.
Why risky: Critical deal-killers in ownership or security; closing cost and post-deal clean-up likely to dominate.
🔒Estimated value
Upgrade to see
Turnover
year to Mar 2024
Net worth
£-18.7k
book net assets
Opportunity
63/100
Worth a look
🔔
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What this business does
Primary activity: Business and domestic software development
Sector: Information & communication
Investor take
Pass (distressed without resilience)
Distressed active trading company — structural issues outweigh the discount.

Opportunity 63/100 (worth a look), bankability 55/100. High owner-dependency — earn-out structure likely required for clean transition. Share purchase looks the cleaner deal structure. Biggest value-creation lever: File overdue accounts. Clears statutory overdue flag — immediate bankability uplift for refinance conversations. Most likely exit: distressed disposal / insolvency (65/100).

Data confidence

Overall: medium (70/100)

Adequate coverage. AI outputs are reliable for the sections scored high; verify the rest in diligence.

Company profile
address, 1 SIC codes, incorporation date
100
Financials
1 year of iXBRL accounts extracted (no YoY comparison) + narrative notes parsed
50
Lenders & charges
Confirmed no charges registered
85
Directors & officers
1 officers (1 active, 1 linked, 1 with DOB)
90
Ownership & PSC
1 active PSC(s) of 2 total, 2 with control declared
90
Director network
Network not yet resolved
30
Filing history
32 filings on record
85
Gazette notices
No matching gazette notices (standard for active companies)
60
Opportunity Score
63/100Worth a look
PassWatchWorth a lookStrongExceptional 

Mixed signal. Worth opening the full target workup before deciding to pursue.

Business quality
55
Adequate — check latest filings for context.
Acquirability
50
Some acquirability indicators.
Risk profile
67
Some moderate concerns — review flags.
Signal strength
90
Good data coverage for analysis.

Signals from accounts

Derived from iXBRL accounts · accounting standard not declared
Negative net assets
Liabilities exceed assets by £18,745

Key financials

1 year extracted from filed iXBRL accounts
Cash
£2k
Net Worth
-£19k
Current Assets
£5k
Current Liabilities

Financials

Extracted from Companies House accounts · accounting standard unknown
Metric2024-03-30
Total assets£-4.3k
Current assets£4.8k
Cash£1.5k
Debtors£3.3k
Net assets£-18.7k

Amounts extracted automatically from iXBRL. Fields left blank were not reported or not mapped. Values in GBP unless stated.

🔒Filing-note intelligence

2 signals detected in this company's narrative notes — going-concern language, audit opinion, contingent liabilities, related-party transactions.

Available from the Pro tier upwards.

See pricing →

Recent activity

Last 30 days
1
filing
  • 1 gazette
Last 90 days
4
filings
  • 2 persons-with-significant-control
  • 1 gazette
  • 1 confirmation-statement
Last 180 days
5
filings
  • 2 persons-with-significant-control
  • 1 gazette
  • 1 confirmation-statement
Counts from Companies House filing history.
Corporate timeline (20 events)Click to expand
  1. 2026-05-19
    📄
    gazette-notice-compulsory
    gazette · GAZ1
  2. 2026-03-20
    📄
    notification-of-a-person-with-significant-control
    persons-with-significant-control · PSC01
  3. 2026-03-20
    📄
    cessation-of-a-person-with-significant-control
    persons-with-significant-control · PSC07
  4. 2025-12-23
    📄
    change-account-reference-date-company-previous-shortened
    accounts · AA01
  5. 2025-03-20
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  6. 2024-12-24
    📄
    change-account-reference-date-company-previous-shortened
    accounts · AA01
  7. 2024-03-28
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  8. 2024-03-23
    📄
    gazette-filings-brought-up-to-date
    gazette · DISS40
  9. 2024-03-20
    📄
    change-person-director-company-with-change-date
    officers · CH01
  10. 2024-03-20
    📄
    change-to-a-person-with-significant-control
    persons-with-significant-control · PSC04
  11. 2024-03-05
    📄
    gazette-notice-compulsory
    gazette · GAZ1
  12. 2023-01-30
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  13. 2022-05-25
    📄
    gazette-filings-brought-up-to-date
    gazette · DISS40
  14. 2022-05-24
    📄
    gazette-notice-compulsory
    gazette · GAZ1
  15. 2021-12-21
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  16. 2021-12-20
    📄
    accounts-amended-with-accounts-type-total-exemption-full
    accounts · AAMD
  17. 2021-03-31
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  18. 2020-01-28
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  19. 2016-03-10
    🏢
    Company incorporated
    As SINEWAVE DESIGN LIMITED
  20. 2016-03-10
    BROWN, Thomas Edward appointed
    director

Owner dependency

80/100
Critical — business is the founder

The business appears inseparable from the founder. Acquisition without a serious earn-out or meaningful transition period would likely destroy value.

FACTORS
  • +Sole director: Only one active director — all governance concentrated on one person.
  • +No director turnover: Company is 10 years old with no director changes — suggests a very tight-knit founder team never broadened.

Succession & seller-readiness

45/100
Moderate signal

Some succession indicators present. Worth watching; approach if sector/strategy fits.

SIGNALS
  • primarySole active director: Only one director in control. No visible successor — buyers solve the succession problem.

Red flags

1 high ·
Accounts overdue
high

Statutory accounts have not been filed by their due date. Can indicate admin breakdown, cash preservation, or deliberate delay.

Evidence: Next due: 2026-03-23

Shareholders & ownership

1 active beneficial owner · dominant holder ≥75%
NameSharesVoting rightsNature of controlNotified
Mr Thomas Edward Brown
Individual · British · DOB 02/1984 · age 42
75100%
75-100% shares20/03/2026
1 historic (ceased) PSC
  • Mr Thomas Edward Brownceased 20/03/2026· 75-100% shares

From Companies House Persons with Significant Control filings. Share ranges are banded per the public PSC regime.

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Peers ranked by estimated value, then turnover, then opportunity score.See all →
🔒Tailored diligence questions

9 specific questions generated from this company's actual signals — liquidity, leverage, director age, charge count, red flags, age-of-company.

Available from the Pro tier upwards.

See pricing →
🔒Advanced scoring suite

Exit-route ranking, improvement thesis, quiet-distress detector, covenant-pressure proxy, extraction monitor, approaching triggers, ownership drift, local cluster, value trap, debt capacity, archetype classification — 48+ scoring modules.

Available from the Pro tier upwards.

See pricing →

Company details

Statusactive
Typeltd
Incorporated2016-03-10
Jurisdictionscotland
Primary SIC62012 — Business and domestic software development

Registered office

Office 1f3 100 Constitution Street
Edinburgh
EH6 6AW
Scotland

Filing status

Accounts
Next due: 2026-03-23OVERDUE
Last made up to: 2024-03-30
Confirmation statement
Next due: 2027-03-22
Last: 2026-03-08

Officers (1 active · 0 resigned)

BROWN, Thomas Edward
director · ~42y · appointed 2016-03-10
View their other companies + combined net worth →
Active

Click a director name to see their full track record across all companies.

Recent filings (32 total)

gazette-notice-compulsory
gazette · GAZ1
2026-05-19
confirmation-statement-with-no-updates
confirmation-statement · CS01
2026-03-20
notification-of-a-person-with-significant-control
persons-with-significant-control · PSC01
2026-03-20
cessation-of-a-person-with-significant-control
persons-with-significant-control · PSC07
2026-03-20
change-account-reference-date-company-previous-shortened
accounts · AA01
2025-12-23
accounts-with-accounts-type-total-exemption-full
accounts · AA
2025-03-20
confirmation-statement-with-no-updates
confirmation-statement · CS01
2025-03-14
change-account-reference-date-company-previous-shortened
accounts · AA01
2024-12-24
accounts-with-accounts-type-total-exemption-full
accounts · AA
2024-03-28
gazette-filings-brought-up-to-date
gazette · DISS40
2024-03-23
confirmation-statement-with-no-updates
confirmation-statement · CS01
2024-03-21
change-person-director-company-with-change-date
officers · CH01
2024-03-20
change-to-a-person-with-significant-control
persons-with-significant-control · PSC04
2024-03-20
gazette-notice-compulsory
gazette · GAZ1
2024-03-05
confirmation-statement-with-no-updates
confirmation-statement · CS01
2023-04-17