586 ENGINEERING LTD

🌳Matureactive
05741250 · ltd · incorporated 2006-03-13
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 Apr 2025
Net worth
£31.4k
book net assets
Opportunity
80/100
Exceptional
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What this business does
Primary activity: Technical testing and analysis
Sector: Professional, scientific & technical
Investor take
Pursue
Asset-holding vehicle with a 66-year-old founder — textbook succession opportunity.

Opportunity 80/100 (exceptional), bankability 75/100. Strong seller-intent signal (63/100, director aged 66). Share purchase looks the cleaner deal structure. Most likely exit: share sale to pe / searcher (65/100).

Data confidence

Overall: medium (79/100)

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
2 years of iXBRL accounts extracted (YoY deltas available) + narrative notes parsed
75
Lenders & charges
Confirmed no charges registered
85
Directors & officers
6 officers (3 active, 6 linked, 3 with DOB)
80
Ownership & PSC
2 active PSC(s) of 3 total, 3 with control declared
90
Director network
5 connected companies via shared directors
60
Filing history
59 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 · accounting standard not declared
Positive net assets
Net assets £31,404
Net assets shrinking
Down £104,164 YoY
Cash YoY
+1%
Year on year

Key financials

2 years extracted from filed iXBRL accounts
Cash
£188k
~ YoY
Net Worth
£31k
↓ 77% YoY
Current Assets
£198k
↓ 2.2% YoY
Current Liabilities
—
£0£40k£81k£121k£162k£202kApr 2024Apr 2025

Hover to see exact values · click legend to toggle series

Financials

Extracted from Companies House accounts · accounting standard unknown
Metric2025-04-302024-04-30
Total assets£31.4k£135.6k
Current assets£197.7k£202.1k
Cash£187.8k£186.5k
Debtors£9.9k£15.6k
Net assets£31.4k£135.6k

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
1
filing
  • • 1 confirmation-statement
Last 180 days
2
filings
  • • 1 confirmation-statement
  • • 1 accounts
Counts from Companies House filing history.
Corporate timeline (25 events)Click to expand
  1. 2026-01-26
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  2. 2025-01-16
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  3. 2024-05-20
    📄
    cessation-of-a-person-with-significant-control
    persons-with-significant-control · PSC07
  4. 2024-05-20
    📄
    notification-of-a-person-with-significant-control
    persons-with-significant-control · PSC01
  5. 2024-01-25
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  6. 2023-01-03
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  7. 2022-01-21
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  8. 2020-12-22
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  9. 2020-01-29
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  10. 2019-01-30
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  11. 2018-01-19
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  12. 2017-01-31
    📄
    accounts-with-accounts-type-total-exemption-small
    accounts · AA
  13. 2016-03-31
    📄
    annual-return-company-with-made-up-date
    annual-return · AR01
  14. 2016-01-29
    📄
    accounts-with-accounts-type-total-exemption-small
    accounts · AA
  15. 2015-03-16
    📄
    annual-return-company-with-made-up-date-full-list-shareholders
    annual-return · AR01
  16. 2013-08-27
    ➖
    CLARK HOWES BUSINESS SERVICES LIMITED resigned
    corporate-secretary
  17. 2012-10-01
    ➕
    BLACK, Callum appointed
    director
  18. 2011-04-05
    ➖
    CH BUSINESS SERVICES LIMITED resigned
    corporate-secretary
  19. 2011-04-05
    ➕
    CLARK HOWES BUSINESS SERVICES LIMITED appointed
    corporate-secretary
  20. 2007-03-01
    ➖
    BLACK, Lesley Sonja resigned
    secretary
  21. 2007-03-01
    ➕
    CH BUSINESS SERVICES LIMITED appointed
    corporate-secretary
  22. 2006-03-13
    🏢
    Company incorporated
    As 586 ENGINEERING LTD
  23. 2006-03-13
    ➕
    BLACK, Lesley Sonja appointed
    director
  24. 2006-03-13
    ➕
    BLACK, Stephen William appointed
    director
  25. 2006-03-13
    ➕
    BLACK, Lesley Sonja appointed
    secretary

Owner dependency

83/100
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
  • +Long-tenure founder: Senior director has been in place 20 years — deep operational knowledge concentrated in one person.
  • +Founder age: Director aged approximately 66 — succession pressure is live.
  • +Family involvement: Multiple officers share a surname — likely family business, which concentrates governance.

Succession & seller-readiness

80/100
Likely off-market candidate

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

SIGNALS
  • primaryFounder aged 63+: Senior director is approximately 66. Approaching typical UK retirement age — succession thinking likely.
  • primary20+ year tenure: Director in role 20 years. Very long tenure is a classic succession signal.
  • secondaryStable-but-static management: Company is 20 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
NameSharesVoting rightsNature of controlNotified
Mr Callum Black
Individual · British · DOB 07/1991 · age 35
25–50%
25–50%25-50% shares · 25-50% voting20/05/2024
Mr Stephen William Black
Individual · British · DOB 04/1960 · age 66
25–50%
25–50%25-50% shares · 25-50% voting06/04/2016
1 historic (ceased) PSC
  • Ms Lesley Sonja Blackceased 20/05/2024· 25-50% shares

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

🔒Co-director network graph

Radial SVG graph showing every company connected via shared directors, colour-coded by status.

Available from the Pro tier upwards.

See pricing →

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

7 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
Incorporated2006-03-13
Jurisdictionengland-wales
Primary SIC71200 — Technical testing and analysis

Registered office

Red House Farm
High Cross
Syresham
Northamptonshire
NN13 5TJ

Filing status

Accounts
Next due: 2027-01-31
Last made up to: 2025-04-30
Confirmation statement
Next due: 2027-03-26
Last: 2026-03-12

Officers (3 active · 3 resigned)

BLACK, Callum→
director · ~35y · appointed 2012-10-01
View their other companies + combined net worth →
Active
BLACK, Lesley Sonja→
director · ~60y · appointed 2006-03-13
View their other companies + combined net worth →
Active
BLACK, Stephen William→
director · ~66y · appointed 2006-03-13
View their other companies + combined net worth →
Active
BLACK, Lesley Sonja→
secretary · appointed 2006-03-13 · resigned 2007-03-01
Resigned
CH BUSINESS SERVICES LIMITED→
corporate-secretary · appointed 2007-03-01 · resigned 2011-04-05
Resigned
CLARK HOWES BUSINESS SERVICES LIMITED→
corporate-secretary · appointed 2011-04-05 · resigned 2013-08-27
Resigned

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

Recent filings (59 total)

confirmation-statement-with-no-updates
confirmation-statement · CS01
2026-03-24
accounts-with-accounts-type-total-exemption-full
accounts · AA
2026-01-26
confirmation-statement-with-updates
confirmation-statement · CS01
2025-03-14
accounts-with-accounts-type-total-exemption-full
accounts · AA
2025-01-16
cessation-of-a-person-with-significant-control
persons-with-significant-control · PSC07
2024-05-20
notification-of-a-person-with-significant-control
persons-with-significant-control · PSC01
2024-05-20
confirmation-statement-with-no-updates
confirmation-statement · CS01
2024-03-18
accounts-with-accounts-type-total-exemption-full
accounts · AA
2024-01-25
confirmation-statement-with-updates
confirmation-statement · CS01
2023-03-30
accounts-with-accounts-type-total-exemption-full
accounts · AA
2023-01-03
confirmation-statement-with-no-updates
confirmation-statement · CS01
2022-03-25
accounts-with-accounts-type-total-exemption-full
accounts · AA
2022-01-21
confirmation-statement-with-no-updates
confirmation-statement · CS01
2021-03-12
accounts-with-accounts-type-total-exemption-full
accounts · AA
2020-12-22
confirmation-statement-with-no-updates
confirmation-statement · CS01
2020-03-12