CASTLE DENE SURGERY LIMITED
💤Zombieactive
05952277 · ltd · incorporated 2006-10-02
Investment thesis
Zombie company — trading but stalled; unlikely mover.
Why interesting: Quiet, steady; could be a succession or carve-out candidate with the right conversation.
Why risky: No growth signal; thin margin for error on price.
🔒Estimated value
—
Upgrade to see
Turnover
—
year to Mar 2025
Net worth
£256.9k
book net assets
Opportunity
75/100
Strong
What this business does
Primary activity: Dental practice activities
Sector: Human health & social work
Investor take
PursueStrong opportunity: active trading company with strong profile and bankable structure.
Opportunity 75/100 (strong), bankability 80/100. High owner-dependency — earn-out structure likely required for clean transition. Share purchase looks the cleaner deal structure. Biggest value-creation lever: Broaden director team. Sole director creates succession risk and reduces buyer comfort. Appoint a second director or strong #2. Most likely exit: strategic trade sale (65/100).
🏦
Refinance opportunity
2 live charges · oldest 10.4y
45/100
under pressure
Refinance would be pressure-driven, not opportunity-driven. Expect tighter margins and covenant scrutiny.
- · Oldest live charge is 10.4 years old — likely at or near maturity.
- · Single lender — cleanest path to refinance.
- · Distress signals active — lender appetite narrows.
Data confidence
Overall: medium (77/100)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
2 charges (2/2 with lender, 2/2 with type)
90
Directors & officers
4 officers (2 active, 4 linked, 2 with DOB)
80
Ownership & PSC
1 active PSC(s) of 1 total, 1 with control declared
90
Director network
Network not yet resolved
30
Filing history
67 filings on record
85
Gazette notices
No matching gazette notices (standard for active companies)
60
Opportunity Score
75/100Strong
PassWatchWorth a lookStrongExceptional
Solid opportunity signal. Worth a dedicated memo and management meeting.
Business quality
70
Active, clean filings, stable charge profile.
Acquirability
55
Some acquirability indicators.
Risk profile
85
Few red flags.
Signal strength
100
Good data coverage for analysis.
Signals from accounts
Derived from iXBRL accounts · FRS 105 (micro)Positive net assets
Net assets £256,948
Key financials
2 years extracted from filed iXBRL accountsCash
—
Net Worth
£257k
Current Assets
£309k
Current Liabilities
—
Hover to see exact values · click legend to toggle series
Financials
Extracted from Companies House accounts · FRS 105 (micro)| Metric | 2025-03-31 | 2024-03-31 |
|---|---|---|
| Total assets | £256.9k | — |
| Current assets | £308.5k | — |
| Net assets | £256.9k | — |
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
0
filings
Last 180 days
0
filings
Counts from Companies House filing history.
Corporate timeline (24 events)Click to expand
- 2025-08-22📄accounts-with-accounts-type-micro-entityaccounts · AA
- 2024-08-27📄accounts-with-accounts-type-micro-entityaccounts · AA
- 2024-01-02📍change-registered-office-address-company-with-date-old-address-new-addressaddress · AD01
- 2023-11-10📄accounts-with-accounts-type-micro-entityaccounts · AA
- 2022-11-22📄accounts-with-accounts-type-micro-entityaccounts · AA
- 2022-02-10📄accounts-amended-with-accounts-type-micro-entityaccounts · AAMD
- 2021-12-13📄accounts-with-accounts-type-micro-entityaccounts · AA
- 2021-09-29📄second-filing-of-confirmation-statement-with-made-up-dateconfirmation-statement · RP04CS01
- 2020-10-13📄accounts-with-accounts-type-micro-entityaccounts · AA
- 2020-01-14📄accounts-with-accounts-type-total-exemption-fullaccounts · AA
- 2019-07-01📄capital-allotment-sharescapital · SH01
- 2018-12-21📄accounts-with-accounts-type-total-exemption-fullaccounts · AA
- 2017-12-19📄accounts-with-accounts-type-unaudited-abridgedaccounts · AA
- 2016-10-13📄change-account-reference-date-company-current-extendedaccounts · AA01
- 2016-08-30📄accounts-with-accounts-type-total-exemption-smallaccounts · AA
- 2016-03-10➕DEEPAK, Pramada appointedsecretary
- 2016-03-10➕HARINATHAN, Deepak, Dr appointeddirector
- 2016-03-10➖AMBLER, Ruth resignedsecretary
- 2016-03-10➖AMBLER, Paul resigneddirector
- 2016-03-10🔒Charge registered #2Lender: Lloyds Bank PLC
- 2016-03-10🔒Charge registered #1Lender: Lloyds Bank PLC
- 2006-10-02🏢Company incorporatedAs CASTLE DENE SURGERY LIMITED
- 2006-10-02➕AMBLER, Ruth appointedsecretary
- 2006-10-02➕AMBLER, Paul appointeddirector
Owner dependency
75/100
High — earn-out structure requiredMaterial founder dependency. Consider a 2-3 year earn-out and build in a handover plan before completion.
FACTORS
- +Sole director: Only one active director — all governance concentrated on one person.
Succession & seller-readiness
60/100
Strong succession signalMultiple signals suggest succession is on the horizon. Candidate for proactive outreach.
SIGNALS
- primarySole active director: Only one director in control. No visible successor — buyers solve the succession problem.
- 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
cleanNo red flags detected from available public data. (This is not a clean bill of health — detailed accounts review still recommended.)
Shareholders & ownership
1 active beneficial owner| Name | Shares | Voting rights | Nature of control | Notified |
|---|---|---|---|---|
Dr. Deepak Harinathan Individual · British · DOB 09/1976 · age 50 | 50–75% | 50–75% | 50-75% shares · 50-75% voting · firm interest | 10/04/2016 |
From Companies House Persons with Significant Control filings. Share ranges are banded per the public PSC regime.
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|---|---|---|---|---|---|---|---|
| BE BRAVE SUNDERLAND COMMUNITY INTEREST COMPANY→ 15153285 · est 2023 · no financials extracted | — | — | — | — | 2y | — | — |
| BLUE MERIT LIMITED→ 16266510 · est 2025 · no financials extracted | — | — | — | — | 1y | — | — |
| BURLACE LTD→ 15175406 · est 2023 · no financials extracted | — | — | — | — | 2y | — | — |
| CELLNUA UK LTD→ 13631443 · est 2021 · no financials extracted | — | — | — | — | 4y | — | — |
| CERGUS PRIME CARE DURHAM & SUNDERLAND LTD→ 16812894 · est 2025 · no financials extracted | — | — | — | — | — | — | — |
| CREATIVE INCLUSION CONSULTANCY LTD→ 14451956 · est 2022 · no financials extracted | — | — | — | — | 3y | — | — |
| CRIS HEALTHCARE LTD→ 14117080 · est 2022 · no financials extracted | — | — | — | — | 3y | — | — |
| CROSSGATE DURHAM LIMITED→ 15572067 · est 2024 · no financials extracted | — | — | — | — | 2y | — | — |
| CUPS OF SUNNAH LTD→ 16017452 · est 2024 · no financials extracted | — | — | — | — | 1y | — | — |
| D3 (MURTON) LIMITED→ 09642880 · est 2015 · no financials extracted | — | — | — | — | 10y | — | — |
| DAISY CHAIN CHILDCARE SETTING LTD→ 14527482 · est 2022 · no financials extracted | — | — | — | — | 3y | — | — |
| DARREN JONES LTD→ 16713516 · est 2025 · no financials extracted | — | — | — | — | — | — | — |
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
Incorporated2006-10-02
Jurisdictionengland-wales
Primary SIC86230 — Dental practice activities
Registered office
9-11 Burnhope Way
Peterlee
SR8 1BT
England
Filing status
Accounts
Next due: 2026-12-31
Last made up to: 2025-03-31
Confirmation statement
Next due: 2026-10-16
Last: 2025-10-02
Officers (2 active · 2 resigned)
Active
HARINATHAN, Deepak, Dr→
Activedirector · ~50y · appointed 2016-03-10
View their other companies + combined net worth →
AMBLER, Ruth→
Resignedsecretary · appointed 2006-10-02 · resigned 2016-03-10
AMBLER, Paul→
Resigneddirector · ~66y · appointed 2006-10-02 · resigned 2016-03-10
Click a director name to see their full track record across all companies.
Mortgages & charges
2
Total charges
2
Outstanding
1
Active lenders
Status:Lender:2 of 2 shown
| Type | Properties | |||||
|---|---|---|---|---|---|---|
| outstanding | Lloyds Banking Group Lloyds Bank PLC | A registered charge | 1 property | 10/03/2016 | — | |
| outstanding | Lloyds Banking Group Lloyds Bank PLC | A registered charge | — | 10/03/2016 | — |
Click column headers to sort. Use filters above to narrow by status and lender.
Recent filings (67 total)
confirmation-statement-with-no-updates
confirmation-statement · CS01
2025-10-10
accounts-with-accounts-type-micro-entity
accounts · AA
2025-08-22
confirmation-statement-with-updates
confirmation-statement · CS01
2024-10-02
accounts-with-accounts-type-micro-entity
accounts · AA
2024-08-27
change-registered-office-address-company-with-date-old-address-new-address
address · AD01
2024-01-02
accounts-with-accounts-type-micro-entity
accounts · AA
2023-11-10
confirmation-statement-with-updates
confirmation-statement · CS01
2023-10-06
accounts-with-accounts-type-micro-entity
accounts · AA
2022-11-22
confirmation-statement-with-updates
confirmation-statement · CS01
2022-10-03
accounts-amended-with-accounts-type-micro-entity
accounts · AAMD
2022-02-10
accounts-with-accounts-type-micro-entity
accounts · AA
2021-12-13
confirmation-statement-with-updates
confirmation-statement · CS01
2021-10-18
second-filing-of-confirmation-statement-with-made-up-date
confirmation-statement · RP04CS01
2021-09-29
confirmation-statement-with-no-updates
confirmation-statement · CS01
2020-10-13
accounts-with-accounts-type-micro-entity
accounts · AA
2020-10-13