ALTOSIG LIMITED

🌳Matureactive
04851195 · ltd · incorporated 2003-07-30
Investment thesis
Well-run mature business — low negotiation leverage; premium likely.
Why interesting: Textbook target; clean filings, stable trading.
Why risky: No pressure on seller; any deal likely at full price.
Opportunity decay
hardening · 12-months
Already tight — no obvious softening catalysts on the horizon.
  • · Thesis: well-run, low negotiation leverage
🔒Estimated value
—
Upgrade to see
Turnover
—
year to Jul 2025
Net worth
£140.5k
book net assets
Opportunity
80/100
Exceptional
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What this business does
Primary activity: SIC 49100
Sector: Transportation & storage
ALSO REGISTERED FOR
  • 49200SIC 49200
  • 62020Information technology consultancy activities
Investor take
Pursue
Strong opportunity: asset-holding vehicle with exceptional profile and bankable structure.

Opportunity 80/100 (exceptional), bankability 75/100. Strong seller-intent signal (70/100, director aged 59). Share purchase looks the cleaner deal structure. Most likely exit: share sale to pe / searcher (65/100).

Data confidence

Overall: medium (76/100)

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

Company profile
address, 3 SIC codes, incorporation date
100
Financials
2 years of iXBRL accounts extracted (YoY deltas available) + narrative notes parsed
75
Lenders & charges
Confirmed no charges registered
85
Directors & officers
5 officers (3 active, 5 linked, 2 with DOB)
78
Ownership & PSC
2 active PSC(s) of 2 total, 2 with control declared
90
Director network
Network not yet resolved
30
Filing history
62 filings on record
85
Gazette notices
No matching gazette notices (standard for active companies)
60
Opportunity Score
80/100Exceptional
PassWatchWorth a lookStrongExceptional 

Strong composite across quality, acquirability, and risk. High-priority target — progress to serious diligence.

Business quality
70
Active, clean filings, stable charge profile.
Acquirability
80
Strong succession / seller-readiness signals.
Risk profile
85
Few red flags.
Signal strength
90
Good data coverage for analysis.

Signals from accounts

Derived from iXBRL accounts · FRS 105 (micro)
Positive net assets
Net assets £140,540

Key financials

2 years extracted from filed iXBRL accounts
Cash
—
Net Worth
£141k
↑ 487% YoY
Current Assets
£219k
↑ 312% YoY
Current Liabilities
—
£0£44k£88k£131k£175k£219kJul 2024Jul 2025

Hover to see exact values · click legend to toggle series

Financials

Extracted from Companies House accounts · FRS 105 (micro)
Metric2025-07-312024-07-31
Total assets£142.3k£25.6k
Current assets£219.0k£53.2k
Net assets£140.5k£23.9k

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

🔒Filing-note intelligence

1 signal 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
0
filings
Last 90 days
0
filings
Last 180 days
0
filings
Counts from Companies House filing history.
Corporate timeline (25 events)Click to expand
  1. 2025-09-25
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  2. 2025-03-13
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  3. 2024-03-26
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  4. 2022-11-17
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  5. 2022-08-17
    📄
    change-person-director-company-with-change-date
    officers · CH01
  6. 2022-08-17
    📄
    change-to-a-person-with-significant-control
    persons-with-significant-control · PSC04
  7. 2022-08-02
    📄
    change-to-a-person-with-significant-control
    persons-with-significant-control · PSC04
  8. 2022-08-02
    📄
    change-person-director-company-with-change-date
    officers · CH01
  9. 2022-08-02
    📄
    change-person-director-company-with-change-date
    officers · CH01
  10. 2022-08-02
    📄
    change-person-secretary-company-with-change-date
    officers · CH03
  11. 2022-08-02
    📄
    change-person-director-company-with-change-date
    officers · CH01
  12. 2022-07-28
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  13. 2021-04-29
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  14. 2020-04-20
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  15. 2019-06-04
    📍
    change-registered-office-address-company-with-date-old-address-new-address
    address · AD01
  16. 2018-12-10
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  17. 2017-12-12
    📄
    accounts-with-accounts-type-micro-entity
    accounts · AA
  18. 2006-12-06
    ➕
    MARSH, Susan Gillian appointed
    secretary
  19. 2006-12-06
    ➕
    MARSH, Susan Gillian appointed
    director
  20. 2006-12-06
    ➖
    MARSH, Susan Gillian resigned
    secretary
  21. 2003-07-30
    🏢
    Company incorporated
    As ALTOSIG LIMITED
  22. 2003-07-30
    ➕
    MARSH, Kevin Derek appointed
    director
  23. 2003-07-30
    ➕
    MARSH, Susan Gillian appointed
    secretary
  24. 2003-07-30
    ➕
    SWIFT INCORPORATIONS LIMITED appointed
    corporate-nominee-secretary
  25. 2003-07-30
    ➖
    SWIFT INCORPORATIONS LIMITED resigned
    corporate-nominee-secretary

Owner dependency

84/100
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
  • +Two-director setup: Only two active directors — typical of owner-managed SMEs but limits succession.
  • +Long-tenure founder: Senior director has been in place 23 years — deep operational knowledge concentrated in one person.
  • +Senior director age: Director aged approximately 59 — approaching natural succession window.
  • +Family involvement: Multiple officers share a surname — likely family business, which concentrates governance.

Succession & seller-readiness

76/100
Likely off-market candidate

Strong acquirability signals converging. Worth approaching directly — this is how off-market deals start.

SIGNALS
  • secondaryFounder aged 58+: Senior director is approximately 59. Early succession window.
  • secondaryTwo-director governance: Small-team governance. Succession depth is thin but not absent.
  • primary20+ year tenure: Director in role 23 years. Very long tenure is a classic succession signal.
  • secondaryStable-but-static management: Company is 23 years old and no new directors in the last 3 years — succession not yet being planned internally.
  • supportingClean filings + long tenure: Disciplined long-tenure operator — classic lifestyle-business pattern that often sells quietly.

Red flags

clean
No red flags detected from available public data. (This is not a clean bill of health — detailed accounts review still recommended.)

Shareholders & ownership

2 active beneficial owners · dominant holder ≥75%
NameSharesVoting rightsNature of controlNotified
Mrs Susan Gillian Marsh
Individual · British · DOB 12/1967 · age 59
75–100%
50–75%board controlsig. influence75-100% shares · 75-100% voting · board control · significant influence30/07/2016
Mr Kevin Derek Marsh
Individual · British · DOB 03/1975 · age 51
—25–50%board controlsig. influence25-50% voting · board control · significant influence30/07/2016

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

6 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
Incorporated2003-07-30
Jurisdictionengland-wales
Primary SIC49100 — SIC 49100

Registered office

18 King Street
Wimborne
BH21 1DZ
England

Filing status

Accounts
Next due: 2027-04-30
Last made up to: 2025-07-31
Confirmation statement
Next due: 2026-08-13
Last: 2025-07-30

Officers (3 active · 2 resigned)

MARSH, Susan Gillian→
secretary · appointed 2006-12-06
View their other companies + combined net worth →
Active
MARSH, Kevin Derek→
director · ~51y · appointed 2003-07-30
View their other companies + combined net worth →
Active
MARSH, Susan Gillian→
director · ~59y · appointed 2006-12-06
View their other companies + combined net worth →
Active
MARSH, Susan Gillian→
secretary · appointed 2003-07-30 · resigned 2006-12-06
Resigned
SWIFT INCORPORATIONS LIMITED→
corporate-nominee-secretary · appointed 2003-07-30 · resigned 2003-07-30
Resigned

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

Recent filings (62 total)

accounts-with-accounts-type-micro-entity
accounts · AA
2025-09-25
confirmation-statement-with-updates
confirmation-statement · CS01
2025-08-05
accounts-with-accounts-type-micro-entity
accounts · AA
2025-03-13
confirmation-statement-with-updates
confirmation-statement · CS01
2024-07-30
accounts-with-accounts-type-micro-entity
accounts · AA
2024-03-26
confirmation-statement-with-no-updates
confirmation-statement · CS01
2023-09-07
accounts-with-accounts-type-micro-entity
accounts · AA
2022-11-17
confirmation-statement-with-updates
confirmation-statement · CS01
2022-08-17
change-person-director-company-with-change-date
officers · CH01
2022-08-17
change-to-a-person-with-significant-control
persons-with-significant-control · PSC04
2022-08-17
change-to-a-person-with-significant-control
persons-with-significant-control · PSC04
2022-08-02
change-person-director-company-with-change-date
officers · CH01
2022-08-02
change-person-director-company-with-change-date
officers · CH01
2022-08-02
change-person-secretary-company-with-change-date
officers · CH03
2022-08-02
change-person-director-company-with-change-date
officers · CH01
2022-08-02