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Software
“Scottish tech does best when its firms grow at home.”

Purpleswift is a business software developer incorporated in Scotland in 2023 (SC767500).
What they do
“PurpleSwift is a software and electronics HVAC company, offering a solution for integrating Siemens Apogee systems to any BACnet client software. BACnetP2 is an affordable and flexible alternative to replacing Siemens Apogee equipment.”
In its own words, on purpleswift.com
In plain speak
They make software and electronics that connect Siemens heating and cooling systems to other building control software. They offer this as a cheaper alternative to replacing existing equipment.
Purpleswift is a business software developer. (Companies House) It was incorporated in Scotland on 27 Apr 2023 as company SC767500. (Companies House) Its website says: “PurpleSwift is a software and electronics HVAC company, offering a solution for integrating Siemens Apogee systems to any BACnet client software. BACnetP2 is an affordable and flexible alternative to replacing Siemens Apogee equipment.” (purpleswift.com)
Companies House lists 2 active officers, among them Derek Willem Noffke (director, since Apr 2023) and Siobhan Pauline Noffke (director, since Jan 2025). (Companies House, profile card) Its latest filed accounts, for the year to 30 Apr 2025, show 4 employees on average. (Companies House, Financials)
Next accounts due 31 Jan 2027.
| Year end | Net assets | Staff |
|---|---|---|
| 30 Apr 2025 | £17.5k | 4 |
| 30 Apr 2024 | £159k | 4 |
Download everything ayeoh holds on Purpleswift, free: CSV · JSON-LD. Every row carries its source and date.
Record completeness 59 of 100; not yet held: city, three years of accounts, turnover, news coverage.
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