SP TRANSMISSION PLC

🌳Matureactive

SC189126 · plc · incorporated 1998-09-07

Investment thesis

Established operating company — standard diligence applies, no dominant angle.

Why interesting: Live, filing, normal profile.

Why risky: No standout signals in either direction.

🔒Estimated value

—

Upgrade to see

Turnover

—

not disclosed

Net worth

—

book net assets

Opportunity

75/100

Strong

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What this business does

Primary activity: SIC 35120

Sector: Electricity, gas & energy

Investor take

Pursue

Active trading company with a 67-year-old founder — textbook succession opportunity.

Opportunity 75/100 (strong), bankability 75/100. Strong seller-intent signal (63/100, director aged 67). Share purchase looks the cleaner deal structure. Most likely exit: share sale to pe / searcher (65/100).

Data confidence

Overall: medium (58/100)

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

Lenders & charges

Confirmed no charges registered

Directors & officers

39 officers (6 active, 39 linked, 30 with DOB)

Ownership & PSC

1 active PSC(s) of 1 total, 1 with control declared

Director network

8 connected companies via shared directors

Filing history

191 filings on record

Gazette notices

No matching gazette notices (standard for active companies)

Opportunity Score

75/100Strong

PassWatchWorth a lookStrongExceptional

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

Business quality

Active, clean filings, stable charge profile.

Acquirability

Strong succession / seller-readiness signals.

Risk profile

Few red flags.

Signal strength

Good data coverage for analysis.

Recent activity

Last 30 days

filings

Last 90 days

filings

• 1 confirmation-statement
• 1 officers

Last 180 days

filings

• 5 officers
• 1 confirmation-statement

Counts from Companies House filing history.

Corporate timeline (94 events)Click to expand

2026-01-23
📄
termination-director-company-with-name-termination-date
officers · TM01
2026-01-22
➖
MATHIESON, Scott Hamilton resigned
director
2026-01-06
📄
appoint-person-director-company-with-name-date
officers · AP01
2026-01-01
➕
BAKER PESSOA DE ARAUJO, Beatrice Helene appointed
director
2025-12-30
➖
MURRAY, Pearse resigned
director
2025-12-30
📄
termination-director-company-with-name-termination-date
officers · TM01
2025-11-26
➕
PHILIP, Andrew appointed
secretary
2025-11-26
➖
O'GORMAN, Seumus resigned
secretary
2025-11-26
📄
appoint-person-secretary-company-with-name-date
officers · AP03
2025-11-26
📄
termination-secretary-company-with-name-termination-date
officers · TM02
2025-07-04
📄
accounts-with-accounts-type-full
accounts · AA
2025-05-05
➖
HUTTON, John Matthew, Lord resigned
director
2025-05-05
📄
termination-director-company-with-name-termination-date
officers · TM01
2024-09-30
➕
JEFFERSON, Guy Charles appointed
director
2024-09-30
📄
appoint-person-director-company-with-name-date
officers · AP01
2024-08-22
➖
MCGREGOR, Alison Mary resigned
director
2024-08-22
📄
termination-director-company-with-name-termination-date
officers · TM01
2024-07-18
📄
appoint-person-director-company-with-name-date
officers · AP01
2024-07-16
➕
HUTTON, John Matthew, Lord appointed
director
2024-07-01
➕
CONNELLY, Nicola Mary appointed
director
2024-07-01
📄
appoint-person-director-company-with-name-date
officers · AP01
2024-07-01
📄
termination-director-company-with-name-termination-date
officers · TM01
2024-06-30
➖
KELSALL, Vicky resigned
director
2024-06-26
📄
accounts-with-accounts-type-full
accounts · AA
2024-06-24
📄
appoint-person-director-company-with-name-date
officers · AP01
2024-06-19
➕
KING, Gillian Elizabeth appointed
director
2023-06-28
📄
accounts-with-accounts-type-full
accounts · AA
2023-02-02
📄
appoint-person-director-company-with-name-date
officers · AP01
2023-02-01
📄
termination-director-company-with-name-termination-date
officers · TM01
2023-01-31
➕
HENDRY, Charles, Rt Hon. appointed
director
2023-01-31
➖
FOX, Suzanne resigned
director
2022-11-09
📄
memorandum-articles
incorporation · MA
2022-11-09
📄
resolution
resolution · RESOLUTIONS
2022-09-09
📄
appoint-person-director-company-with-name-date
officers · AP01
2022-09-02
📄
termination-director-company-with-name-termination-date
officers · TM01
2022-08-26
➕
KELSALL, Vicky appointed
director
2022-08-26
➖
MITCHELL, Frank resigned
director
2022-03-20
➖
GLOVER, Lesley Anne, Professor Dame resigned
director
2022-02-02
➕
FOX, Suzanne appointed
director
2020-05-06
➖
BARNES, Wendy Jacqueline resigned
director
2019-07-03
➕
GLOVER, Lesley Anne, Professor Dame appointed
director
2018-11-15
➖
FOX, Suzanne resigned
director
2018-11-15
➕
MCGREGOR, Alison Mary appointed
director
2017-12-31
➖
HAYWOOD, Elizabeth Zaidee, Dr resigned
director
2017-09-27
➕
FOX, Suzanne appointed
director
2015-11-18
➖
MCDONALD, James Rufus, Professor Sir resigned
director
2015-04-30
➕
MURRAY, Pearse appointed
director
2015-01-01
➕
BARNES, Wendy Jacqueline appointed
director
2015-01-01
➕
HAYWOOD, Elizabeth Zaidee, Dr appointed
director
2014-12-31
➖
DAVIES, Michael Howard resigned
secretary

Showing most recent 50 of 94 events

Owner dependency

55/100

Moderate — manageable with handover

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

FACTORS

-5 active directors: Broader management team in place — suggests transferable governance.
+Founder age: Director aged approximately 67 — succession pressure is live.

Succession & seller-readiness

50/100

Moderate signal

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

SIGNALS

primaryFounder aged 63+: Senior director is approximately 67. Approaching typical UK retirement age — succession thinking likely.

Red flags

1 med ·

4 director resignations in last 12 months

medium

Multiple recent departures can indicate governance disagreement, succession event, or preparation for sale/stress.

Evidence: O'GORMAN, Seumus resigned 2025-11-26; HUTTON, John Matthew, Lord resigned 2025-05-05; MATHIESON, Scott Hamilton resigned 2026-01-22

Group structure

Scottish Power Energy Networks Holdings Limited is the ultimate parent — holding 75%+ shares. This company sits inside their group.

🏛️

Scottish Power Energy Networks Holdings Limited

Corporate parent · holds 75-100% shares · board control

ultimate parent

⬇

SP TRANSMISSION PLC

This company · SC189126

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%

Name	Shares	Voting rights	Nature of control	Notified
Scottish Power Energy Networks Holdings Limited Corporate entity	75–100%	75–100%	board control75-100% shares · 75-100% voting · board control	06/04/2016

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 →

Similar companies

Active · Energy & utilities · G postcode area

Company	Est. value	Turnover	Net worth	Staff	Age	Opp	Director
BADABINS WASTE REMOVAL LIMITED→ SC883221 · est 2026 · no financials extracted	—	—	—	—	—	—	—
BAILLIE WINDFARM LIMITED→ SC256692 · est 2003 · no financials extracted	—	—	—	—	22y	—	—
BALNAMOON RENEWABLES LIMITED→ SC272029 · est 2004 · no financials extracted	—	—	—	—	21y	—	—
BEE-CLEAR WASTE MANAGEMENT LIMITED→ SC773067 · est 2023 · no financials extracted	—	—	—	—	2y	—	—
BEEN DUMPED LIMITED→ SC790404 · est 2023 · no financials extracted	—	—	—	—	2y	—	—
BIG BATTERY (AIRD FARM) LIMITED→ SC722128 · est 2022 · no financials extracted	—	—	—	—	4y	—	—
BIG BATTERY (ENRIGG) LIMITED→ SC734734 · est 2022 · no financials extracted	—	—	—	—	3y	—	—
BIG BATTERY (RANNOCH) LIMITED→ SC745597 · est 2022 · no financials extracted	—	—	—	—	3y	—	—
BRADLEY WIND ENERGY 2 LIMITED→ SC669069 · est 2020 · no financials extracted	—	—	—	—	5y	—	—
BROCKLOCH RIG I LIMITED→ SC167067 · est 1996 · no financials extracted	—	—	—	—	29y	—	—
BROCKLOCH RIG WINDFARM LIMITED→ SC149100 · est 1994 · no financials extracted	—	—	—	—	32y	—	—
CALEDONIA CONTAINERS LTD→ SC737857 · est 2022 · no financials extracted	—	—	—	—	3y	—	—

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.

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Company details

Statusactive

Typeplc

Incorporated1998-09-07

Jurisdictionscotland

Primary SIC35120 — SIC 35120

Registered office

320 St. Vincent Street

Glasgow

G2 5AD

Scotland

Filing status

Accounts

Next due: 2026-06-30

Last made up to: 2024-12-31

Confirmation statement

Next due: 2027-03-16

Last: 2026-03-02