HORIZON NUCLEAR POWER LIMITED

🌳Matureactive

06660388 · ltd · incorporated 2008-07-30

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

—

not disclosed

Net worth

—

book net assets

Opportunity

72/100

Strong

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What this business does

Primary activity: SIC 35110

Sector: Electricity, gas & energy

ALSO REGISTERED FOR

42220SIC 42220

Investor take

Pass (distressed without resilience)

Distressed active trading company — structural issues outweigh the discount.

Opportunity 72/100 (strong), bankability 75/100. Share purchase looks the cleaner deal structure. Biggest value-creation lever: Resolve: 1 insolvency-related filing on record. Filings relating to insolvency, liquidation, or administration exist in the company's history. Review before proceeding. 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, 2 SIC codes, incorporation date

100

Financials

No iXBRL financials extracted

Lenders & charges

Confirmed no charges registered

Directors & officers

52 officers (5 active, 52 linked, 44 with DOB)

Ownership & PSC

1 active PSC(s) of 2 total, 2 with control declared

Director network

5 connected companies via shared directors

Filing history

201 filings on record

Gazette notices

No matching gazette notices (standard for active companies)

Opportunity Score

72/100Strong

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

Some moderate concerns — review flags.

Signal strength

Good data coverage for analysis.

Recent activity

Last 30 days

filings

• 1 confirmation-statement
• 1 accounts

Last 90 days

filings

• 1 confirmation-statement
• 1 accounts

Last 180 days

filings

• 1 confirmation-statement
• 1 accounts

Counts from Companies House filing history.

Corporate timeline (119 events)Click to expand

2026-07-07
📄
accounts-with-accounts-type-group
accounts · AA
2025-06-24
📄
accounts-with-accounts-type-group
accounts · AA
2024-10-01
📍
change-registered-office-address-company-with-date-old-address-new-address
address · AD01
2024-07-11
📄
accounts-with-accounts-type-group
accounts · AA
2024-04-01
📄
termination-director-company-with-name-termination-date
officers · TM01
2024-03-31
➖
PIERCE, Stephen Keith resigned
director
2023-07-10
📄
accounts-with-accounts-type-group
accounts · AA
2023-07-04
📄
appoint-person-director-company-with-name-date
officers · AP01
2023-07-01
➕
TONOOKA, Takashi appointed
director
2023-06-30
➖
SATAKE, Tomohiro resigned
director
2023-06-30
📄
termination-director-company-with-name-termination-date
officers · TM01
2023-04-04
📄
change-person-director-company-with-change-date
officers · CH01
2023-04-02
📄
appoint-person-director-company-with-name-date
officers · AP01
2023-04-01
➕
INADA, Yasunori appointed
director
2023-03-31
➖
KUME, Tadashi resigned
director
2023-03-31
📄
termination-director-company-with-name-termination-date
officers · TM01
2022-07-12
📄
accounts-with-accounts-type-group
accounts · AA
2021-09-22
📄
notification-of-a-person-with-significant-control
persons-with-significant-control · PSC02
2021-09-22
📄
cessation-of-a-person-with-significant-control
persons-with-significant-control · PSC07
2021-09-01
📍
change-registered-office-address-company-with-date-old-address-new-address
address · AD01
2021-07-17
📄
accounts-with-accounts-type-group
accounts · AA
2021-07-12
📄
legacy
capital · SH20
2021-07-12
📄
capital-statement-capital-company-with-date-currency-figure
capital · SH19
2021-07-12
⚠️
legacy
insolvency · CAP-SS
2021-04-01
➕
NEWTON, Carl William appointed
secretary
2021-04-01
➕
NEWTON, Carl William appointed
director
2021-04-01
➕
PIERCE, Stephen Keith appointed
director
2021-03-31
➖
CORNELIUS, Jonathan Miles resigned
secretary
2021-03-31
➖
HAWTHORNE, Duncan resigned
director
2021-03-31
➖
NAKANE, Masahiko resigned
director
2021-03-31
➖
STONE, Timothy John, Dr resigned
director
2020-04-01
➕
KUME, Tadashi appointed
director
2020-03-31
➖
GOMERSALL, Stephen John, Sir resigned
director
2020-03-31
➖
MURASE, Yoshiteru resigned
director
2020-03-31
➖
TAKEHARA, Hidetoshi resigned
director
2020-03-31
➖
TANIGAKI, Masahide resigned
director
2019-04-01
➕
MASUI, Takashi appointed
director
2019-04-01
➕
CORNELIUS, Jonathan Miles appointed
secretary
2019-04-01
➕
NAKANE, Masahiko appointed
director
2019-04-01
➕
SATAKE, Tomohiro appointed
director
2019-03-31
➖
JONES, James William resigned
secretary
2019-03-31
➖
LEE, Sang Hoon David resigned
director
2019-03-31
➖
NAGASAWA, Katsumi resigned
director
2018-09-27
➖
NAKANE, Masahiko resigned
director
2018-09-20
➕
TAKEHARA, Hidetoshi appointed
director
2017-02-01
➖
CORNELIUS, Jonathan Miles resigned
secretary
2017-02-01
➕
JONES, James William appointed
secretary
2016-07-22
➕
MURASE, Yoshiteru appointed
director
2016-07-22
➕
NAKANE, Masahiko appointed
director
2016-06-30
➖
ISHIZUKA, Tatsuro resigned
director

Showing most recent 50 of 119 events

Owner dependency

48/100

Moderate — manageable with handover

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

FACTORS

-4 active directors: Broader management team in place — suggests transferable governance.
+Senior director age: Director aged approximately 64 — approaching natural succession window.

Succession & seller-readiness

60/100

Strong succession signal

Multiple signals suggest succession is on the horizon. Candidate for proactive outreach.

SIGNALS

primaryFounder aged 63+: Senior director is approximately 64. Approaching typical UK retirement age — succession thinking likely.
secondaryStable-but-static management: Company is 18 years old and no new directors in the last 3 years — succession not yet being planned internally.

Red flags

1 high ·

1 insolvency-related filing on record

high

Filings relating to insolvency, liquidation, or administration exist in the company's history. Review before proceeding.

Evidence: 2021-07-12: legacy

Group structure

Hitachi, Ltd. is the ultimate parent — holding 75%+ shares. This company sits inside their group.

🏛️

Hitachi, Ltd.

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

ultimate parent

⬇

HORIZON NUCLEAR POWER LIMITED

This company · 06660388

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
Hitachi, Ltd. Corporate entity	75–100%	75–100%	board control75-100% shares · 75-100% voting · board control	19/08/2021

1 historic (ceased) PSC

Hitachi Nuclear Projects Development Europe Limitedceased 19/08/2021· 75-100% shares · 75-100% voting · board control

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 · SL postcode area

Company	Est. value	Turnover	Net worth	Staff	Age	Opp	Director
CLIFFEVILLE LIMITED→ 01523920 · est 1980 · no financials extracted	—	—	—	—	45y	—	—
COMPLETE RUBBISH LTD→ 13108065 · est 2020 · no financials extracted	—	—	—	—	5y	—	—
DEP IA1 LTD→ 11085009 · est 2017 · no financials extracted	—	—	—	—	8y	—	—
DURRIS WIND FARM LIMITED→ 13806737 · est 2021 · no financials extracted	—	—	—	—	4y	—	—
EXCELLENCE UTILITIES LTD→ 12117850 · est 2019 · no financials extracted	—	—	—	—	6y	—	—
FOEL FACH WIND FARM LIMITED→ 14144097 · est 2022 · no financials extracted	—	—	—	—	3y	—	—
GARY THORNHILL ELECTRICAL LTD→ 11886835 · est 2019 · no financials extracted	—	—	—	—	7y	—	—
HADENCROFT LTD→ 11788444 · est 2019 · no financials extracted	—	—	—	—	7y	—	—
HM GB (WIND) LTD→ 12421411 · est 2020 · no financials extracted	—	—	—	—	6y	—	—
HOON HAY SOLAR LIMITED→ 12769451 · est 2020 · no financials extracted	—	—	—	—	5y	—	—
HORIZON NUCLEAR POWER OLDBURY LIMITED→ 06811995 · est 2009 · no financials extracted	—	—	—	—	17y	—	—
HORIZON NUCLEAR POWER SERVICES LIMITED→ 06812099 · est 2009 · no financials extracted	—	—	—	—	17y	—	—

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.

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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

Typeltd

Incorporated2008-07-30

Jurisdictionengland-wales

Primary SIC35110 — SIC 35110

Registered office

Ditton Park, Riding Court Road

Datchet

Slough

SL3 9LL

England

Filing status

Accounts

Next due: 2027-12-31

Last made up to: 2026-03-31

Confirmation statement

Next due: 2027-07-27

Last: 2026-07-13