Company · Glasgow

III-V Epi

III-V Epi is an electronic components maker based in Glasgow, incorporated in Scotland in 2020 (SC653570).

What they do

“III-V Epi provides a range of compound semiconductor wafer foundry services. We specialise in the manufacture of low to medium volume, MBE and MOCVD, III-V, epitaxial structures and overgrowth for compound semiconductor device applications.”

In its own words, on iii-vepi.com

In plain speak

They make semiconductor wafers for other companies using specialised manufacturing techniques. These wafers are used to build compound semiconductor devices in small to medium quantities.

Grants

Awarded a £29.7k Iscf grant for "UK Supply cHAin for stRontium clocK Vertical External Cavity Surface Emitting Lasers (UK-SHARK-VECSELs)"

1 Sep 2021 · UKRI Gateway to Research

Latest from III-V Epi

III-V Epi adds value with its epitaxy cost / performance design advice.

17 Aug 2026, from iii-vepi.com, posted by the company

Avoid over-specifying epitaxy layers to reduce costs.

21 Jul 2026, from iii-vepi.com, posted by the company

How to avoid mis-specifying, under-specifying and over-specifying epitaxy.

3 Jun 2026, from iii-vepi.com, posted by the company

How to avoid over specifying epitaxy layer levels.

29 Apr 2026, from iii-vepi.com, posted by the company

III-V Epi’s low volume, fast turnaround, III-V epitaxy in huge demand following Photonics West.

23 Feb 2026, from iii-vepi.com, posted by the company

Financials

Net assets: £178k (31 Dec 2025), up 26% on £141k a year earlier
Employees: 0 on average (31 Dec 2025), unchanged on a year earlier (0)

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	£178k	0
31 Dec 2024	£141k	0

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

17 Aug 2026from the companyIII-V Epi adds value with its epitaxy cost / performance design advice.
21 Jul 2026from the companyAvoid over-specifying epitaxy layers to reduce costs.
3 Jun 2026from the companyHow to avoid mis-specifying, under-specifying and over-specifying epitaxy.
29 Apr 2026from the companyHow to avoid over specifying epitaxy layer levels.
23 Feb 2026from the companyIII-V Epi’s low volume, fast turnaround, III-V epitaxy in huge demand following Photonics West.
31 Dec 2025accountsAccounts year end
31 Dec 2024accountsAccounts year end
1 Aug 2023directorAndrew, Dr McKee appointed Director
5 Feb 2020directorCalum John Macgregor appointed Director
5 Feb 2020directorSteven Peter, Professor Beaumont appointed Director
5 Feb 2020incorporatedIII-V Epi incorporated as SC653570

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 III-V Epi, free: CSV · JSON-LD. Every row carries its source and date.

Record completeness 68 of 100; not yet held: three years of accounts, turnover, news coverage, funding rounds.

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, “III-V Epi”, ayeoh.io/c/iii-v-epi, accessed 1 Nov 2026.