S.D.S. SECURITY LIMITED

🌳Matureactive
02101141 · ltd · incorporated 1987-02-18
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
approaching window · 12-months
Approaching a transaction window — refinance or sale event plausible in the next 12 months.
  • · Oldest live charge 8.8y old — refinance window within 12 months
🔒Estimated value
Upgrade to see
Turnover
not disclosed
Net worth
book net assets
Opportunity
74/100
Strong
🔔
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What this business does
Primary activity: Other specialised construction activities n.e.c.
Sector: Construction
Investor take
Pursue
Strong opportunity: active trading company with strong profile and bankable structure.

Opportunity 74/100 (strong), bankability 85/100. Share purchase looks the cleaner deal structure. Most likely exit: strategic trade sale (63/100).

🏦

Refinance opportunity

1 live charge · oldest 8.8y

85/100
ready

Refinance conversation should be productive — structure clean and timing right.

  • · Oldest live charge is 8.8 years old — likely at or near maturity.
  • · Single lender — cleanest path to refinance.
  • · Legal-friction score 15/100 — clean.

Data confidence

Overall: medium (60/100)

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
No iXBRL financials extracted
0
Lenders & charges
1 charges (1/1 with lender, 1/1 with type)
90
Directors & officers
12 officers (3 active, 12 linked, 8 with DOB)
83
Ownership & PSC
1 active PSC(s) of 2 total, 2 with control declared
90
Director network
12 connected companies via shared directors
81
Filing history
117 filings on record
85
Gazette notices
No matching gazette notices (standard for active companies)
60
Opportunity Score
74/100Strong
PassWatchWorth a lookStrongExceptional 

Solid opportunity signal. Worth a dedicated memo and management meeting.

Business quality
70
Active, clean filings, stable charge profile.
Acquirability
50
Some acquirability indicators.
Risk profile
85
Few red flags.
Signal strength
100
Good data coverage for analysis.

Recent activity

Last 30 days
0
filings
Last 90 days
1
filing
  • 1 officers
Last 180 days
2
filings
  • 1 officers
  • 1 accounts
Counts from Companies House filing history.
Corporate timeline (40 events)Click to expand
  1. 2026-03-30
    📄
    termination-director-company-with-name-termination-date
    officers · TM01
  2. 2026-02-27
    📄
    accounts-with-accounts-type-dormant
    accounts · AA
  3. 2026-02-25
    WEST, Richard Mark resigned
    director
  4. 2025-11-03
    📄
    change-to-a-person-with-significant-control
    persons-with-significant-control · PSC05
  5. 2025-11-03
    📄
    change-person-director-company-with-change-date
    officers · CH01
  6. 2025-10-30
    📄
    change-person-director-company-with-change-date
    officers · CH01
  7. 2025-02-19
    📍
    change-registered-office-address-company-with-date-old-address-new-address
    address · AD01
  8. 2024-12-16
    📄
    accounts-with-accounts-type-dormant
    accounts · AA
  9. 2024-04-10
    📄
    termination-director-company-with-name-termination-date
    officers · TM01
  10. 2024-04-03
    📄
    accounts-with-accounts-type-dormant
    accounts · AA
  11. 2024-03-31
    DE BEER, Hugo Neville resigned
    director
  12. 2023-07-28
    📄
    appoint-person-director-company-with-name-date
    officers · AP01
  13. 2023-07-25
    WEST, Richard Mark appointed
    director
  14. 2022-09-07
    📄
    accounts-with-accounts-type-dormant
    accounts · AA
  15. 2022-04-06
    📄
    accounts-with-accounts-type-dormant
    accounts · AA
  16. 2021-06-26
    📄
    accounts-with-accounts-type-dormant
    accounts · AA
  17. 2020-09-10
    📄
    appoint-person-director-company-with-name-date
    officers · AP01
  18. 2020-09-10
    📄
    termination-director-company-with-name-termination-date
    officers · TM01
  19. 2020-09-09
    📄
    appoint-person-director-company-with-name-date
    officers · AP01
  20. 2020-09-09
    📄
    appoint-person-director-company-with-name-date
    officers · AP01
  21. 2020-09-09
    📄
    mortgage-satisfy-charge-full
    mortgage · MR04
  22. 2020-09-09
    🔓
    Charge satisfied #1
  23. 2020-08-28
    GREEN, Darren appointed
    director
  24. 2020-08-28
    THOMAS, Simon Gareth appointed
    director
  25. 2020-08-28
    BEART, Simon Delaval resigned
    director
  26. 2020-08-28
    DE BEER, Hugo Neville appointed
    director
  27. 2020-03-31
    📄
    accounts-with-accounts-type-small
    accounts · AA
  28. 2017-08-15
    HOWARD, Thomas Henry Greville appointed
    director
  29. 2017-08-15
    SMITH, Andrew John resigned
    secretary
  30. 2017-08-15
    BEART, Simon Delaval appointed
    director
  31. 2017-08-15
    RANDELL, Colin Howard resigned
    director
  32. 2017-08-14
    🔒
    Charge registered #1
    Lender: Lloyds Bank PLC
  33. 1999-11-23
    RANDELL, Derek Henry George resigned
    secretary
  34. 1999-11-23
    SMITH, Andrew John appointed
    secretary
  35. 1999-11-23
    RANDELL, Derek Henry George resigned
    director
  36. 1999-09-01
    RANDELL, Derek Henry George appointed
    secretary
  37. 1999-08-31
    SPILLER, Michael resigned
    secretary
  38. 1997-10-10
    CLARKE, Gordon Arthur resigned
    secretary
  39. 1997-10-10
    SPILLER, Michael appointed
    secretary
  40. 1987-02-18
    🏢
    Company incorporated
    As S.D.S. SECURITY LIMITED

Owner dependency

50/100
Moderate — manageable with handover

Some founder dependency, but not acute. A structured handover period should cover most risk.

Succession & seller-readiness

40/100
Moderate signal

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

SIGNALS
  • secondaryStable-but-static management: Company is 39 years old and no new directors in the last 3 years — succession not yet being planned internally.

Red flags

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

Group structure

Beart Howard Investments Limited is the ultimate parent — holding 75%+ shares. This company sits inside their group.

🏛️
Beart Howard Investments Limited
Corporate parent · holds 75-100% shares
ultimate parent
S.D.S. SECURITY LIMITED
This company · 02101141

Parent relationships inferred from Persons with Significant Control filings. Full subsidiary tree requires reverse-lookup (coming).

Shareholders & ownership

1 active beneficial owner · dominant holder ≥75%
NameSharesVoting rightsNature of controlNotified
Beart Howard Investments Limited
Corporate entity
75100%
75-100% shares15/08/2017
1 historic (ceased) PSC
  • Mr Colin Howard Randellceased 15/08/2017· 75-100% 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

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
Incorporated1987-02-18
Jurisdictionengland-wales
Primary SIC43999 — Other specialised construction activities n.e.c.

Registered office

C/O Hunters Law Llp
Lincoln's Inn, 9 New Square
London
WC2A 3QN
United Kingdom

Filing status

Accounts
Next due: 2027-03-31
Last made up to: 2025-06-30
Confirmation statement
Next due: 2026-11-17
Last: 2025-11-03

Officers (3 active · 9 resigned)

GREEN, Darren
director · ~48y · appointed 2020-08-28
View their other companies + combined net worth →
Active
HOWARD, Thomas Henry Greville
director · ~43y · appointed 2017-08-15
View their other companies + combined net worth →
Active
THOMAS, Simon Gareth
director · ~40y · appointed 2020-08-28
View their other companies + combined net worth →
Active
CLARKE, Gordon Arthur
secretary · resigned 1997-10-10
Resigned
RANDELL, Derek Henry George
secretary · appointed 1999-09-01 · resigned 1999-11-23
Resigned
SMITH, Andrew John
secretary · appointed 1999-11-23 · resigned 2017-08-15
Resigned
SPILLER, Michael
secretary · appointed 1997-10-10 · resigned 1999-08-31
Resigned
BEART, Simon Delaval
director · ~68y · appointed 2017-08-15 · resigned 2020-08-28
Resigned
DE BEER, Hugo Neville
director · ~38y · appointed 2020-08-28 · resigned 2024-03-31
Resigned
RANDELL, Colin Howard
director · ~68y · resigned 2017-08-15
Resigned
RANDELL, Derek Henry George
director · ~98y · resigned 1999-11-23
Resigned
WEST, Richard Mark
director · ~53y · appointed 2023-07-25 · resigned 2026-02-25
Resigned

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

Mortgages & charges

1
Total charges
0
Outstanding
0
Active lenders
Status:Lender:1 of 1 shown
TypeProperties
satisfied
Lloyds Banking Group
Lloyds Bank PLC
A registered charge1 property14/08/201709/09/2020

Recent filings (117 total)

termination-director-company-with-name-termination-date
officers · TM01
2026-03-30
accounts-with-accounts-type-dormant
accounts · AA
2026-02-27
confirmation-statement-with-no-updates
confirmation-statement · CS01
2025-11-10
change-to-a-person-with-significant-control
persons-with-significant-control · PSC05
2025-11-03
change-person-director-company-with-change-date
officers · CH01
2025-11-03
change-person-director-company-with-change-date
officers · CH01
2025-10-30
change-registered-office-address-company-with-date-old-address-new-address
address · AD01
2025-02-19
accounts-with-accounts-type-dormant
accounts · AA
2024-12-16
confirmation-statement-with-no-updates
confirmation-statement · CS01
2024-11-11
termination-director-company-with-name-termination-date
officers · TM01
2024-04-10
accounts-with-accounts-type-dormant
accounts · AA
2024-04-03
confirmation-statement-with-no-updates
confirmation-statement · CS01
2023-11-09
appoint-person-director-company-with-name-date
officers · AP01
2023-07-28
confirmation-statement-with-no-updates
confirmation-statement · CS01
2022-11-11
accounts-with-accounts-type-dormant
accounts · AA
2022-09-07