Company · Aberdeen

Viper RF

Viper RF is an electronic components maker based in Aberdeen, incorporated in Scotland in 2008 (SC338855).

What they do

“VIPER RF designs and supplies GaAs and GaN MMICs for RF, microwave and millimeter-wave applications from 1-150GHz. The company has been supplying solutions for aerospace, communications and defence customers since 2008.”

In its own words, on viper-rf.com

In plain speak

They design and supply microchips that handle radio and microwave signals for use in aerospace, communications and defence applications.

Grants

Awarded a £102k Innovate UK grant for "Phased array transmitter unit for next generation 5G Smart Cities communication systems"

1 Oct 2016 · Innovate UK

Awarded a £58.5k Innovate UK grant for "Ultra-high efficiency X-Band MMICs for portable satellite communications"

1 Jul 2012 · Innovate UK

Awarded a £67.5k Innovate UK grant for "Ka-Band LEO satellite transmitters based on new high power, high efficiency packaged MMIC amplifier"

1 Jun 2012 · Innovate UK

Awarded a £22.9k Innovate UK grant for "High Power High Efficiency GaN Hybrid and MMIC Power Amplifiers for Space Applications"

1 May 2011 · Innovate UK

Awarded a £24.4k Innovate UK grant for "Ultra-compact, high efficiency low cost packaged GaAs 10W high power amplifier solution for Ka-Band communications"

1 May 2011 · Innovate UK

Financials

Net assets: £1.9m (30 Apr 2025), up 23% on £1.5m a year earlier
Cash at bank and in hand: £721k (30 Apr 2025), down 16% on £858k a year earlier
Employees: 13 on average (30 Apr 2025), up 18% on 11 a year earlier

Net assets at year ends 2024 to 2025

Next accounts due 31 Jan 2027.

2 charges registered at Companies House as outstanding: security over the company's assets for borrowing or another obligation, per the 1 Oct 2026 register snapshot. See the charges

From the accounts made up to 30 Apr 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	Net assets	Cash	Staff
30 Apr 2025	£1.9m	£721k	13
30 Apr 2024	£1.5m	£858k	11

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 Apr 2025accountsAccounts year end
30 Apr 2024accountsAccounts year end
30 Apr 2008directorJames George Edward Mayock appointed Director
30 Apr 2008directorSimon Sui Man Chan appointed Director
30 Apr 2008directorSimon Sui Man Chan appointed Secretary
4 Mar 2008incorporatedViper RF incorporated as SC338855

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 Viper RF, free: CSV · JSON-LD. Every row carries its source and date.

Record completeness 64 of 100; not yet held: logo, three years of accounts, turnover, news coverage.

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, “Viper RF”, ayeoh.io/c/viper-rf, accessed 1 Nov 2026.

On the record

Total exemption full accounts filed for the year to 30 April 2025

29 Jan 2026 · Companies House

Total exemption full accounts filed for the year to 30 April 2024

31 Jan 2025 · Companies House

Total exemption full accounts filed for the year to 30 April 2023

29 Jan 2024 · Companies House

Total exemption full accounts filed for the year to 30 April 2022

30 Jan 2023 · Companies House

Total exemption full accounts filed for the year to 30 April 2021

25 Jan 2022 · Companies House

Total exemption full accounts filed for the year to 30 April 2020

25 Jan 2021 · Companies House

Incorporated at Companies House

4 Mar 2008 · Companies House

Clients named by Viper RF

Cleanroom · Test · Office_SAS

Listed under “Trusted by clients since 2008” on viper-rf.com/about-1, read by ayeoh. Named by the company itself. Not a client any more? Ask us to remove it.