The UK’s trusted SEIS/EIS Advance Assurance application service

Apply for Advance Assurance with Sleek and get a speedy approval from HMRC if your business is eligible.
Get investor-ready for just £250 - no subscription necessary.

What is SEIS/EIS Advance Assurance?

SEIS/EIS Advance Assurance is a government-backed statement that shows investors that investing in your business will allow them tax relief. Sleek helps get your company set up for investment, so you can start growing your business.

Get investor-ready with Sleek - it’s fast and simple

Essential insights

We provide you insights and share funding options to ensure SEIS or EIS are the right fit for your business.

Unmatched guidance

We diagnose whether your business meets the SEIS requirements. We guide you through every step of the process.

Raising funds

We help discuss the tax relief with any potential investors that are unaware of your business.

Get ready to pitch to investors

SEIS/EIS Advance Assurance

Get an Advance Assurance application that is ready for HMRC approval, fast.

£250

+ VAT

no subscription needed

  • Process guidance and consultation
  • HMRC Advance Assurance form
  • Fully-compliant application
  • Review by our SEIS/EIS experts
  • Make an enquiry
  • Send us your pitch deck
  • Get it reviewed by SEIS/EIS experts
  • Email to HMRC for approval

Frequently Asked Questions

SEIS and EIS advance assurance is backing from HMRC that an organisation meets the criteria outlined by the schemes. This gives investors confidence to invest due to the tax reliefs. Financial organisations such as Sleek UK can help speed up the process of getting SEIS and EIS assurance.

Just like with EIS, you need advance assurance with SEIS to give investors confidence that your business does meet the criteria outlined by the scheme. Since they will not get the relief until the investment is made, getting advance assurance from HMRC is an important step. Accountants such as Sleek can help you to secure advance assurance easily.

Just like with EIS, you need advance assurance with SEIS to give investors confidence that your business does meet the criteria outlined by the scheme. Since they will not get the relief until the investment is made, getting advance assurance from HMRC is an important step. Accountants such as Sleek can help you to secure advance assurance easily.

EIS assurance does not have an expiry date. It can be used for as long as the company meets the outlined criteria. To find out whether your organisation meets the criteria, it is best to contact an accountants such as Sleek UK.

The major difference between EIS and SEIS is the size of the organisation intended to use the scheme. Whilst EIS can be used by larger organisations, SEIS is aimed at startups and early stage companies. Organisations using SEIS must have fewer than 25 employees whereas those using EIS can have up to 250 or 500 in the case of a “knowledge intensive” company; those using SEIS must also have been trading for less than 2 years whereas it is 7-10 for EIS. Sleek can assist organisations of all sizes with EIS and SEIS assurance.

Trusted by thousands of UK businesses

I met Ed from Sleek when he was visiting our coworking space in London. After a quick chat, Ed explained how I could move my accounts online and also discussed R&D tax credits. His advice has been invaluable!

Victoria Haynes

CEO & Founder
Neon Hop

I truly wouldn’t be able to run my business without Sleek. Whilst I’m great at marketing and the sales side of running a business, I’m just not a numbers guy! Sleek has changed the way I look at an accountant.

Neil Smedley

Founder
King Koby Ltd

We’ve been with Sleek since the very beginning of our business. They helped with Seed EIS, R&D and implementing an online cloud bookkeeping system through Xero. Sleek has undoubtedly helped us grow our business.

Seb Francis

Co-Founder & Director
Titus Learning Ltd

Seb Francis

Titus Learning Ltd

We've been with Sleek since the very beginning of our business. They helped with Seed EIS, R&D and implementing an online cloud bookkeeping system through Xero. Sleek has undoubtedly helped us grow our business.

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