Toltech Internet Solutions
Software
“Scottish Sea Farms to open Billy Baa fish farm later this month. It’s worth a close read.”

TLA Systems is a business software developer incorporated in Scotland in 1998 (SC182999).
What they do
“Based on our popular calculator for the Macintosh, PCalc has been redesigned from the ground up to give the best experience.”
In its own words, on tla-systems.co.uk
In plain speak
They make a calculator app for computers and phones, redesigned from an earlier version for the Macintosh.
TLA Systems is a business software developer. (Companies House) It was incorporated in Scotland on 16 Feb 1998 as company SC182999. (Companies House) Its website says: “Based on our popular calculator for the Macintosh, PCalc has been redesigned from the ground up to give the best experience.” (tla-systems.co.uk)
Companies House lists 2 active officers, among them James Thomson (director, since Feb 1998) and Saskia Dorothea Koehler (director, since Nov 2015). (Companies House, profile card) Its latest filed accounts, for the year to 31 May 2025, show 2 employees on average. (Companies House, Financials)
Next accounts due 28 Feb 2027.
| Year end | Net assets | Staff |
|---|---|---|
| 31 May 2025 | £4,717 | 2 |
| 31 May 2024 | £16.1k | 2 |
Download everything ayeoh holds on TLA Systems, free: CSV · JSON-LD. Every row carries its source and date.
Record completeness 55 of 100; not yet held: city, logo, three years of accounts, turnover.
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