--- title: "Sapphire customer spotlight: BrainWaveBank" description: BrainWaveBank Limited SEIS and EIS advance assurance image: https://www.sapphirebusinessadvisers.co.uk/hubfs/Imported_Blog_Media/BrainWaveBank_Limited-1.jpg --- [![Sapphire Business Advisors](https://www.sapphirebusinessadvisers.co.uk/hubfs/Sapphire%20Adviser%202026%20Assets/Sapphire%20Business%20Advisors.svg)](https://www.sapphirebusinessadvisers.co.uk) [![Sapphire Business Advisors](https://www.sapphirebusinessadvisers.co.uk/hubfs/Sapphire%20Adviser%202026%20Assets/Sapphire%20Business%20Advisors.svg)](https://www.sapphirebusinessadvisers.co.uk) - [About us](https://www.sapphirebusinessadvisers.co.uk#about) - [Services](https://www.sapphirebusinessadvisers.co.uk#services) - [Why Us](https://www.sapphirebusinessadvisers.co.uk#why-us) - [Contact](https://www.sapphirebusinessadvisers.co.uk#contact) - [Pricing](https://www.sapphirebusinessadvisers.co.uk/pricing) - [Blog](https://www.sapphirebusinessadvisers.co.uk/client-success-stories) Vasiliki Carson ###### 14TH October 2026 ![\Sapphire customer spotlight: BrainWaveBank\](https://www.sapphirebusinessadvisers.co.uk/hs-fs/hubfs/Imported_Blog_Media/BrainWaveBank_Limited-1.jpg?width=671&height=460&name=BrainWaveBank_Limited-1.jpg) ![\Sapphire customer spotlight: BrainWaveBank\](https://www.sapphirebusinessadvisers.co.uk/hs-fs/hubfs/Imported_Blog_Media/BrainWaveBank_Limited-1.jpg?width=671&height=460&name=BrainWaveBank_Limited-1.jpg) # Sapphire customer spotlight: BrainWaveBank Vasiliki Carson ###### 14TH October 2026 - [![](https://www.sapphirebusinessadvisers.co.uk/hubfs/twitter-black.svg)](https://www.twitter.com/share?url=https%3A%2F%2Fwww.sapphirebusinessadvisers.co.uk%2Fclient-success-stories%2Fpast-customers%2Fbrainwavebank-limited-seis-and-eis-advance-assurance) - [![](https://www.sapphirebusinessadvisers.co.uk/hubfs/facebook-black.svg)](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.sapphirebusinessadvisers.co.uk%2Fclient-success-stories%2Fpast-customers%2Fbrainwavebank-limited-seis-and-eis-advance-assurance) - [![](https://www.sapphirebusinessadvisers.co.uk/hubfs/linkedin-black.svg)](http://www.linkedin.com/shareArticle?mini=true&url=https://www.sapphirebusinessadvisers.co.uk/client-success-stories/past-customers/brainwavebank-limited-seis-and-eis-advance-assurance)  ![BrainWaveBank\_Limited.png](https://www.sapphirebusinessadvisers.co.uk/hubfs/Imported_Blog_Media/BrainWaveBank_Limited-1.png "BrainWaveBank_Limited.png") > "Vasiliki and Boyd were a pleasure to work with. They demystified the whole process of applying for SEIS/EIS advance assurance, were incredibly responsive to any requests we had, and provided a first class service that I have been able to heartily recommend to other technology startups that I work with."  Ronan Cunningham, BrainWaveBank Limited. ### Description: Acting for BrainWaveBank on the attainment of S/EIS advance assurance from HMRC for the company to raise private investment. The Company is developing a neuroscience platform used for tracking of brainwave activity on a daily basis in the home to enable easy tracking of brain health and early detection ofcognitive illness. Their mission is to make routine brain health monitoring accessible and affordable for everyone, transform the economics of early detection of cognitive illness, and help people to live longer, healthier, more connected lives. ### Sector: e-Commerce, science & technology, mobile app. ### Classification: SEIS and EIS advance assurance. [Back to Summary](https://www.sapphirebusinessadvisers.co.uk/blog) × A short, no-obligation conversation about whether launching a fund is the right route for you, and what it would take. We can cover structure, timescales, cost and regulatory requirements. Nothing to prepare in advance. Boyd Carson co-founded Sapphire in 2009 and has since helped launch more than 50 UK venture funds. He is an Honorary Professor of Venture Capital, teaches on Harvard University's graduate venture capital course, and holds Sapphire's FCA compliance oversight role. ![Boyd Carson](https://www.sapphirebusinessadvisers.co.uk/hs-fs/hubfs/Images%20(Old%20Portal)/Boyd%20Carson.jpeg?width=593&height=697&name=Boyd%20Carson.jpeg) Vasiliki (who also goes by Vicky) is the Director at Sapphire Business Advisers. Vasiliki is passionate about helping small businesses become investment ready, and has been doing so for the past 15 years. Prior to this, Vasiliki worked at Goldman Sachs and PwC in the USA and Japan. Vasiliki is reading for Executive MBA at Cambridge University. Vasiliki Carson [CONNECT](https://www.linkedin.com/in/vasiliki-carson-606a814/) ### Related Insights EIS , Business Plans , Investor Documents ##### [Tamla Construction obtains EIS approval](https://www.sapphirebusinessadvisers.co.uk/client-success-stories/tamla-construction-limited-eis-advance-assurance) EIS ##### [Film production company BristowHouse engages Sapphire](https://www.sapphirebusinessadvisers.co.uk/client-success-stories/bristowhouse-productions-limited-eis-advance-assurance) EIS , Investor Documents ##### [Watch manufacturer EIS advance assurance](https://www.sapphirebusinessadvisers.co.uk/client-success-stories/duo-watches-uk-eis) ## Let’s talk about what you’re working on. Whether you are preparing for a funding round, considering SEIS or EIS advance assurance, need valuation support or are looking for experienced business advice, we would be happy to start with a conversation. [SPEAK TO AN ADVISER](https://www.sapphirebusinessadvisers.co.uk/client-success-stories/past-customers/brainwavebank-limited-seis-and-eis-advance-assurance#contact-us-popup) ![SBA Logo](https://www.sapphirebusinessadvisers.co.uk/hubfs/Sapphire%20Adviser%202026%20Assets/SBA%20Logo.svg) Sapphire Business Advisers provides specialist advisory services to early-stage and growing companies, including SEIS and EIS advance assurance, valuations, consulting and non-executive director support. ## Company [About Us](https://www.sapphirebusinessadvisers.co.uk/client-success-stories/past-customers/brainwavebank-limited-seis-and-eis-advance-assurance#about) [Services](https://www.sapphirebusinessadvisers.co.uk/client-success-stories/past-customers/brainwavebank-limited-seis-and-eis-advance-assurance#services) [Contact](https://www.sapphirebusinessadvisers.co.uk/client-success-stories/past-customers/brainwavebank-limited-seis-and-eis-advance-assurance#contact) [Blog](https://www.sapphirebusinessadvisers.co.uk/client-success-stories) ## Services [SEIS & EIS Advance Assurance](https://www.sapphirebusinessadvisers.co.uk/client-success-stories/past-customers/brainwavebank-limited-seis-and-eis-advance-assurance#services) [Business Valuations](https://www.sapphirebusinessadvisers.co.uk/client-success-stories/past-customers/brainwavebank-limited-seis-and-eis-advance-assurance#services) [Business Consulting](https://www.sapphirebusinessadvisers.co.uk/client-success-stories/past-customers/brainwavebank-limited-seis-and-eis-advance-assurance#consulting) [Non-Executive Director Support](https://www.sapphirebusinessadvisers.co.uk/client-success-stories/past-customers/brainwavebank-limited-seis-and-eis-advance-assurance#non-executive) ## Contact [Email Us](mailto:boyd@sapphirecapitalpartners.co.uk?subject=Business%20Enquiry%20%E2%80%94%20Sapphire%20Business%20Advisors&body=Hi%20Boyd%2C%0A%0AI%20came%20across%20Sapphire%20Business%20Advisors%20and%20would%20like%20to%20learn%20more%20about%20your%20services.%0A%0AI%20look%20forward%20to%20hearing%20from%20you.%0A%0ABest%20regards%2C%0A%5BName%5D) [Schedule A Call](https://www.sapphirebusinessadvisers.co.uk/client-success-stories/past-customers/brainwavebank-limited-seis-and-eis-advance-assurance#contact-us-popup) ## Legal Privacy Policy Terms & Condition © 2026 Sapphire Business Advisers. 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