Greencastle Security is an IT services firm incorporated in Scotland in 2013 (SC441066).
Ayeoh Overview
Greencastle Security is an IT services firm. (Companies House) It was incorporated in Scotland on 24 Jan 2013 as company SC441066. It was earlier called A P SYSTEMS (NW) LTD.. (Companies House)
Companies House lists 1 active officer, among them David Anderson (director, since Jan 2023). (Companies House, profile card)
Financials
Net assets
£1,228 (31 Dec 2025), up 12% on £1,101 a year earlier
Employees
0 on average (31 Dec 2025)
Net assets at year ends 2024 to 2025
Next accounts due 30 Sep 2027.
From the accounts made up to 31 Dec 2025, micro-entity accounts, as tagged in the filing. Small companies file a balance sheet and often no turnover or profit. The filings at Companies House
Accounts, year by year
Year end
Net assets
Staff
31 Dec 2025
£1,228
0
31 Dec 2024
£1,101
Only the figures each year's filed accounts tag; a blank is a figure the company did not file. The filings at Companies House
Timeline
31 Dec 2025accountsAccounts year end
31 Dec 2024accountsAccounts year end
5 Jan 2023directorDavid Anderson appointed Director
24 Jan 2013incorporatedGreencastle Security incorporated as SC441066
Register facts, funding, grants and the latest news, each linked or sourced. The data file holds the register facts, funding and grants only.
Use this data
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Record completeness 47 of 100; not yet held: city, website, logo, three years of accounts.
Licence: free to read and cite with a link to ayeoh.io; bulk, API or commercial reuse needs an ayeoh licence. Cite as: ayeoh.io, “Greencastle Security”, ayeoh.io/c/greencastle-security, accessed 9 Nov 2026.
How it compares
Net assets £1,228: 2,603rd of 4,488 software firms with filed accounts on ayeoh's record, largest first.
Employees 0 on average: joint 3,548th of 4,779 software firms with filed accounts on ayeoh's record, largest first.
Incorporated 24 Jan 2013: 2,321st of 11,935 software firms, oldest first.
Ranked by ayeoh from the accounts of every Scottish software firm whose filings it holds, as of 2026-11-05. Only figures the accounts tag; a rank, not a judgement.