P M Will Consultancy
Software
“Scottish tech does best when its firms grow at home.”

Open User Systems is a business software developer based in Perth, incorporated in Scotland in 2024 (SC803008).
What they do
“Helping SME's harness the power of open-source, low-cost and bespoke software. UK consultants specialising in CRM and ERP solutions including Odoo.”
In its own words, on openusersystems.co.uk
Open User Systems is a business software developer based in Perth. (Companies House, ayeoh's record) It was incorporated in Scotland on 14 Mar 2024 as company SC803008. (Companies House) Its website says: “Helping SME's harness the power of open-source, low-cost and bespoke software. UK consultants specialising in CRM and ERP solutions including Odoo.” (openusersystems.co.uk)
Companies House lists 2 active officers, among them Christopher Andrew Mann (director, since Mar 2024) and Emily Abigail Mann (director, since Mar 2024). (Companies House, profile card) Its own website's latest post is “Hiring a Freelance Consultant Isn’t as “Risky” as You Think”, from 16 Mar 2026. (Latest from Open User Systems, the post) Its latest filed accounts, for the year to 31 Mar 2026, show 2 employees on average. (Companies House, Financials)
Next accounts due 31 Dec 2027.
| Year end | Net assets | Staff |
|---|---|---|
| 31 Mar 2026 | £19.6k | 2 |
| 31 Mar 2025 | £12.7k | 2 |
Download everything ayeoh holds on Open User Systems, free: CSV · JSON-LD. Every row carries its source and date.
Record completeness 64 of 100; not yet held: three years of accounts, turnover, news coverage, funding rounds.
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