DRILLTECH SERVICES (NORTH SEA) LIMITED

🌳Matureactive
SC148306 · ltd · incorporated 1994-01-07
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.
Why now
Window steady · low confidence
Steady and tidy — no seller pressure yet. Approach only if an angle opens.
Opportunity decay
hardening · 12-months
Already tight — no obvious softening catalysts on the horizon.
  • · Thesis: well-run, low negotiation leverage
What changed my view
Last 30 days

No material changes in the last 30 days.

Last 90 days

No snapshot from 90 days ago — start tracking from today.

Last 180 days

No snapshot from 180 days ago — start tracking from today.

🔒Estimated value
—
Upgrade to see
Turnover
—
not disclosed
Net worth
—
book net assets
Opportunity
79/100
Strong
🔔
Follow this company (free)
Email alerts on filings, charges, director changes, gazette notices. No account needed.

Unsubscribe any time from any email. GDPR-respectful.

🔒Generate AI memo →🔒Outreach pack →🔒Corporate story →📑 Reports →Sign in to watch
What this business does
Primary activity: Other service activities n.e.c.
Sector: Other service activities
Investor take
Pursue
Active trading company with a 73-year-old founder — textbook succession opportunity.

Opportunity 79/100 (strong), bankability 67/100. Strong seller-intent signal (63/100, director aged 73). Share purchase looks the cleaner deal structure. Biggest value-creation lever: Consolidate lender relationships. 3 distinct lenders creates friction — refinance into single-lender structure for cleaner diligence. Most likely exit: share sale to pe / searcher (65/100).

🏦

Refinance opportunity

5 live charges · 3 lenders · oldest 32.3y

35/100
too messy

Refinance path is blocked by complexity. Rethink structure or expect bespoke, expensive terms.

  • · Oldest live charge is 32.3 years old — likely at or near maturity.
  • · 3 lenders named — inter-creditor friction likely.
  • · Legal-friction score 40/100 — workable, but lender will want more DD.

Data confidence

Overall: low (54/100)

Sparse data coverage. Treat AI-generated outputs as preliminary. Manual diligence essential.

Company profile
address, 1 SIC codes, incorporation date
100
Financials
No iXBRL financials extracted
0
Lenders & charges
5 charges (5/5 with lender, 5/5 with type)
90
Directors & officers
17 officers (4 active, 17 linked, 9 with DOB)
81
Ownership & PSC
1 active PSC(s) of 1 total, 1 with control declared
90
Director network
Network not yet resolved
30
Filing history
139 filings on record
85
Gazette notices
No matching gazette notices (standard for active companies)
60
Opportunity Score
79/100Strong
PassWatchWorth a lookStrongExceptional 

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

Business quality
70
Active, clean filings, stable charge profile.
Acquirability
80
Strong succession / seller-readiness signals.
Risk profile
77
Few red flags.
Signal strength
100
Good data coverage for analysis.

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 (56 events)Click to expand
  1. 2025-12-15
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  2. 2025-10-15
    📄
    change-person-director-company-with-change-date
    officers · CH01
  3. 2024-12-10
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  4. 2024-01-09
    📄
    change-person-director-company-with-change-date
    officers · CH01
  5. 2023-12-04
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  6. 2022-12-21
    📄
    accounts-with-accounts-type-total-exemption-full
    accounts · AA
  7. 2022-08-03
    📄
    termination-director-company-with-name-termination-date
    officers · TM01
  8. 2022-08-02
    ➖
    MARSDEN, Andrew Charles resigned
    director
  9. 2021-12-22
    📄
    change-person-director-company-with-change-date
    officers · CH01
  10. 2021-12-22
    📄
    change-person-director-company-with-change-date
    officers · CH01
  11. 2021-11-23
    📄
    accounts-with-accounts-type-full
    accounts · AA
  12. 2020-12-18
    📄
    accounts-with-accounts-type-full
    accounts · AA
  13. 2020-01-09
    📄
    appoint-corporate-secretary-company-with-name-date
    officers · AP04
  14. 2020-01-09
    📄
    termination-secretary-company-with-name-termination-date
    officers · TM02
  15. 2020-01-08
    ➕
    LC SECRETARIES LIMITED appointed
    corporate-secretary
  16. 2020-01-08
    ➖
    LEDINGHAM CHALMERS LLP resigned
    corporate-secretary
  17. 2019-10-24
    📄
    accounts-with-accounts-type-full
    accounts · AA
  18. 2019-10-21
    📄
    appoint-person-director-company-with-name-date
    officers · AP01
  19. 2019-10-21
    📄
    termination-director-company-with-name-termination-date
    officers · TM01
  20. 2019-07-25
    ➕
    TEOW, Aaron Kim Hung appointed
    director
  21. 2019-07-25
    ➖
    TEOW, Mark Kim Chong resigned
    director
  22. 2019-05-01
    📄
    termination-director-company-with-name-termination-date
    officers · TM01
  23. 2017-05-01
    ➕
    TEOW, Kenneth Mathew appointed
    director
  24. 2017-03-31
    ➖
    TEOW, Michael resigned
    director
  25. 2011-08-18
    🔒
    Charge registered #5
    Lender: Clydesdale Bank PLC
  26. 2009-03-11
    🔓
    Charge satisfied #4
  27. 2006-04-01
    ➕
    LEDINGHAM CHALMERS LLP appointed
    corporate-secretary
  28. 2006-04-01
    ➖
    LEDINGHAM CHALMERS LLP resigned
    corporate-secretary
  29. 2004-03-29
    ➕
    MARSDEN, Andrew Charles appointed
    director
  30. 2004-03-29
    ➖
    TEOW, Francis Foh Chye resigned
    director
  31. 2004-03-29
    ➕
    TEOW, Mark Kim Chong appointed
    director
  32. 2001-08-21
    ➖
    LIOW, Chong Keng resigned
    secretary
  33. 2001-08-21
    ➕
    LEDINGHAM CHALMERS LLP appointed
    corporate-secretary
  34. 2001-06-18
    ➕
    LIOW, Chong Keng appointed
    secretary
  35. 2001-06-18
    ➖
    MAC, Yin Tee resigned
    secretary
  36. 2000-10-31
    ➖
    DOHERTY, Gary John resigned
    secretary
  37. 2000-10-31
    ➕
    MAC, Yin Tee appointed
    secretary
  38. 2000-03-10
    ➖
    RASTEGAR, Gholam resigned
    director
  39. 1999-08-01
    ➕
    DOHERTY, Gary John appointed
    secretary
  40. 1999-08-01
    ➖
    LEDINGHAM CHALMERS resigned
    corporate-nominee-secretary
  41. 1997-09-16
    🔓
    Charge satisfied #2
  42. 1997-09-16
    🔓
    Charge satisfied #1
  43. 1997-09-04
    🔒
    Charge registered #4
    Lender: Clydesdale Bank Public Limited Company
  44. 1997-06-19
    🔒
    Charge registered #3
    Lender: Clydesdale Bank Public Limited Company
  45. 1997-01-01
    ➕
    MAC, Yin Tee appointed
    director
  46. 1995-08-08
    ➖
    LING, Mark resigned
    director
  47. 1995-08-08
    ➕
    TEOW, Francis Foh Chye appointed
    director
  48. 1994-07-29
    ➕
    RASTEGAR, Gholam appointed
    director
  49. 1994-07-28
    🔒
    Charge registered #2
    Lender: The Governor and Company of the Bank of Scotland
  50. 1994-04-01
    ➕
    LING, Mark appointed
    director
Showing most recent 50 of 56 events

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 30 years — deep operational knowledge concentrated in one person.
  • +Founder age: Director aged approximately 73 — succession pressure is live.
  • +Family involvement: Multiple officers share a surname — likely family business, which concentrates governance.

Succession & seller-readiness

90/100
Likely off-market candidate

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

SIGNALS
  • primaryFounder aged 70+: Senior director is approximately 73 years old. Natural succession window is now.
  • primary20+ year tenure: Director in role 30 years. Very long tenure is a classic succession signal.
  • secondaryStable-but-static management: Company is 33 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

1 med ·
Charge satisfaction-then-recreation pattern
medium

Multiple instances where a charge was satisfied and a new charge created within 6 months. Suggests active refinancing cycle.

Shareholders & ownership

1 active beneficial owner · dominant holder ≥75%
NameSharesVoting rightsNature of controlNotified
Mr Mark Kim Chong Teow
Individual · Singaporean · DOB 07/1975 · age 51
75–100%
75–100%board control75-100% shares · 75-100% voting · board control06/04/2016

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

Similar companies

Active · Trade services · AB postcode area
CompanyEst. valueTurnoverNet worthStaffAgeOppDirector
UNIQUE SYSTEM (UK) LIMITED→
SC356252 · est 2009
£28.64M
£21.48M–£35.80M
£23.27M—380017y9565y
ENPRO SUBSEA LIMITED→
SC398784 · est 2011
£8.95M
£6.71M–£11.19M
——3415y8466y
UNITY WELL INTEGRITY UK LIMITED→
SC273906 · est 2004
£5.70M
£4.27M–£7.12M
——820021y8462y
JAMES JAMIESON CONSTRUCTION LIMITED→
SC386496 · est 2010
£2.69M
£2.02M–£3.36M
£13.65M—380015y8468y
CASTLETON FRUIT LTD.→
SC369372 · est 2009
£2.18M
£1.63M–£2.72M
£15.34M—3010016y8352y
MINTRA LTD→
SC362194 · est 2009
£1.21M
£909.4k–£1.52M
£11.76M—750016y8562y
ACUMEN FINANCIAL PLANNING LIMITED→
SC215343 · est 2001
——£1.05M—25y8374y
ANIRAC LIMITED→
SC280789 · est 2005
——£1.67M—21y8385y
ASHLEY PROPERTIES ABERDEEN LIMITED→
SC315836 · est 2007 · no financials extracted
————19y8378y
BUILDTALL LIMITED→
SC235986 · est 2002
——£4.39M—23y8359y
DRUMMUIR & BOTRIPHNIE COMMUNITY TRUST→
SC273043 · est 2004 · no financials extracted
————21y8367y
ERT CAMELOT LIMITED→
SC301741 · est 2006 · no financials extracted
————20y8372y
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
Incorporated1994-01-07
Jurisdictionscotland
Primary SIC96090 — Other service activities n.e.c.

Registered office

Drilltech House
South Middleton Base
Greenwell Road, East Tullos
Aberdeen,
AB12 3AX

Filing status

Accounts
Next due: 2026-12-31
Last made up to: 2025-03-31
Confirmation statement
Next due: 2027-01-21
Last: 2026-01-07

Officers (4 active · 13 resigned)

LC SECRETARIES LIMITED→
corporate-secretary · appointed 2020-01-08
View their other companies + combined net worth →
Active
MAC, Yin Tee→
director · ~73y · appointed 1997-01-01
View their other companies + combined net worth →
Active
TEOW, Aaron Kim Hung→
director · ~49y · appointed 2019-07-25
View their other companies + combined net worth →
Active
TEOW, Kenneth Mathew→
director · ~35y · appointed 2017-05-01
View their other companies + combined net worth →
Active
DOHERTY, Gary John→
secretary · appointed 1999-08-01 · resigned 2000-10-31
Resigned
LIOW, Chong Keng→
secretary · appointed 2001-06-18 · resigned 2001-08-21
Resigned
MAC, Yin Tee→
secretary · appointed 2000-10-31 · resigned 2001-06-18
Resigned
LEDINGHAM CHALMERS→
corporate-nominee-secretary · appointed 1994-01-07 · resigned 1999-08-01
Resigned
LEDINGHAM CHALMERS LLP→
corporate-secretary · appointed 2006-04-01 · resigned 2020-01-08
Resigned
LEDINGHAM CHALMERS LLP→
corporate-secretary · appointed 2001-08-21 · resigned 2006-04-01
Resigned
LING, Mark→
director · ~63y · appointed 1994-04-01 · resigned 1995-08-08
Resigned
MARSDEN, Andrew Charles→
director · ~67y · appointed 2004-03-29 · resigned 2022-08-02
Resigned
RASTEGAR, Gholam→
director · ~70y · appointed 1994-07-29 · resigned 2000-03-10
Resigned
TEOW, Francis Foh Chye→
director · ~69y · appointed 1995-08-08 · resigned 2004-03-29
Resigned
TEOW, Mark Kim Chong→
director · ~51y · appointed 2004-03-29 · resigned 2019-07-25
Resigned
TEOW, Michael→
director · ~74y · appointed 1994-02-10 · resigned 2017-03-31
Resigned
DURANO LIMITED→
corporate-nominee-director · appointed 1994-01-07 · resigned 1994-02-10
Resigned

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

Mortgages & charges

5
Total charges
2
Outstanding
1
Active lenders
Status:Lender:5 of 5 shown
TypeProperties
outstanding
Virgin Money
Clydesdale Bank PLC
Floating charge1 property18/08/2011—
satisfied
Virgin Money
Clydesdale Bank Public Limited Company
Standard security1 property04/09/199711/03/2009
outstanding
Virgin Money
Clydesdale Bank Public Limited Company
Floating charge1 property19/06/1997—
satisfied
Lloyds Banking Group
The Governor and Company of the Bank of Scotland
Standard security1 property28/07/199416/09/1997
satisfied
Lloyds Banking Group
The Governor and Company of the Bank of Scotland
Bond & floating charge1 property30/03/199416/09/1997
Click column headers to sort. Use filters above to narrow by status and lender.

Recent filings (139 total)

confirmation-statement-with-updates
confirmation-statement · CS01
2026-01-07
accounts-with-accounts-type-total-exemption-full
accounts · AA
2025-12-15
change-person-director-company-with-change-date
officers · CH01
2025-10-15
confirmation-statement-with-updates
confirmation-statement · CS01
2025-01-13
accounts-with-accounts-type-total-exemption-full
accounts · AA
2024-12-10
confirmation-statement-with-updates
confirmation-statement · CS01
2024-01-09
change-person-director-company-with-change-date
officers · CH01
2024-01-09
accounts-with-accounts-type-total-exemption-full
accounts · AA
2023-12-04
confirmation-statement-with-no-updates
confirmation-statement · CS01
2023-01-09
accounts-with-accounts-type-total-exemption-full
accounts · AA
2022-12-21
termination-director-company-with-name-termination-date
officers · TM01
2022-08-03
confirmation-statement-with-updates
confirmation-statement · CS01
2022-01-07
change-person-director-company-with-change-date
officers · CH01
2021-12-22
change-person-director-company-with-change-date
officers · CH01
2021-12-22
accounts-with-accounts-type-full
accounts · AA
2021-11-23