Companies House lists 2 active officers, among them Mark Henry Kiehlmann (director, since Nov 2020) and Karen Kiehlmann (secretary, since Jun 2023). (Companies House, profile card) Its latest filed accounts, for the year to 30 Nov 2025, show 1 employee on average. (Companies House, Financials)
Financials
Cash at bank and in hand
£8,640 (30 Nov 2025), from £1,286 a year earlier
Total equity
£1 (30 Nov 2025)
Employees
1 on average (30 Nov 2025), down 67% on 3 a year earlier
Cash at year ends 2024 to 2025
Next accounts due 31 Aug 2027.
From the accounts made up to 30 Nov 2025, small-company 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
Cash
Staff
30 Nov 2025
£8,640
1
30 Nov 2024
£1,286
3
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
30 Nov 2025accountsAccounts year end
30 Nov 2024accountsAccounts year end
15 Jun 2023directorKaren Kiehlmann appointed Secretary
20 Nov 2020directorMark Henry Kiehlmann appointed Director
20 Nov 2020incorporatedOptimum Change incorporated as SC681528
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
Download everything ayeoh holds on Optimum Change, free: CSV · JSON-LD. Every row carries its source and date.
Record completeness 52 of 100; not yet held: website, logo, three years of accounts, turnover.
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, “Optimum Change”, ayeoh.io/c/optimum-change, accessed 9 Nov 2026.
How it compares
Cash £8,640: 903rd of 1,605 software firms with filed accounts on ayeoh's record, largest first.
Employees 1 on average: joint 1,573rd of 4,480 software firms with filed accounts on ayeoh's record, largest first.
Incorporated 20 Nov 2020: joint 4,153rd of 8,993 software firms, oldest first.
Cash £8,640: 220th of 407 glasgow software firms with filed accounts on ayeoh's record, largest first.
Employees 1 on average: joint 384th of 1,124 glasgow software firms with filed accounts on ayeoh's record, largest first.
Incorporated 20 Nov 2020: joint 1,050th of 2,472 glasgow software firms, oldest first.
Ranked by ayeoh from the accounts of every Scottish software firm whose filings it holds, as of 2026-11-08. Only figures the accounts tag; a rank, not a judgement.