--- title: How long do HMRC take to approve SEIS - EIS applications? description: For both Advance Assurance and Compliance, HMRC can take as long as 6-8 weeks, though we see ours being approved as fast as 1 week! --- [Skip to content](https://help.seedlegals.com/migration/en/2137054-how-long-do-hmrc-take-to-approve-seis-eis-applications#main-content) English Show submenu for translations ![special-case-sl-logo.png\]](https://help.seedlegals.com/hs-fs/hubfs/special-case-sl-logo.png?height=18&name=special-case-sl-logo.png) - [Home](https://seedlegals.com/) Open main navigation Close main navigation - [Home](https://seedlegals.com/) - English Show submenu for translations - Home Home How can we help? - There are no suggestions because the search field is empty. 1. [Help Centre (UK)](https://help.seedlegals.com/migration/en?hsLang=en) 2. [SEIS/EIS](https://help.seedlegals.com/migration/en/seis-eis?hsLang=en) 3. 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[Policies](https://help.seedlegals.com/migration/en/team-agreements-policies?hsLang=en#policies) - [Investors & Deal Manager](https://help.seedlegals.com/migration/en/investors-deal-manager?hsLang=en#main-content) - [Document's view & signatures](https://help.seedlegals.com/migration/en/investors-deal-manager?hsLang=en#documents-view-signatures) - [Profile & Settings](https://help.seedlegals.com/migration/en/investors-deal-manager?hsLang=en#profile-settings) - [Syndicates](https://help.seedlegals.com/migration/en/investors-deal-manager?hsLang=en#syndicates) - [Accelerators](https://help.seedlegals.com/migration/en/accelerators?hsLang=en) # How long do HMRC take to approve SEIS - EIS applications? ## For both Advance Assurance and Compliance, HMRC can take as long as 6-8 weeks, though we see ours being approved as fast as 1 week! It seems that HMRC take on average 6-8 weeks to approve an SEIS or EIS application, for both Advance Assurance and Compliance. They tell us that simple applications (simple in that the company hasn't been trading yes, there are no complex subsidiaries, etc.) are approved quite quickly, but EIS applications for millions of Pounds in Advance Assurance can take up to 8 weeks. We're seeing typical approval times of 3-4 weeks for applications done using SeedLegals. In the event that HMRC is taking longer than 7 weeks to respond, the next step would be to check any possible address HMRC may have sent a response to. This would include the registered address at Companies House, with an accountant, your spam folder etc.. That said, if there's still no sign of a reply, there's 2 ways to follow up: Reaching HMRC: **1. Email [enterprise.centre@hmrc.gov.uk](mailto:enterprise.centre@hmrc.gov.uk)** - Use the same email the application was originally sent with. - It may take 2 weeks for them to reply **2. Phone 0300 123 1083** - They no longer have a direct line therefore you can leave a message and they will determine whether a call back is required. - [Home](https://seedlegals.com/) [![Chill listening crop-3](https://help.seedlegals.com/hs-fs/hubfs/favicon.png?width=24&height=24&name=favicon.png "Chill listening crop-3")](https://seedlegals.com) SeedLegals Copyright © 2025, SeedLegals