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Startup legals at startup prices from the highest rated, fastest growing platform

Ace your SEIS/EIS, execute your funding round, manage investors and set up share option schemes with expert guidance every step of the way. From family and friends, through pre-seed to Series A, always at the most cost effective price.

No credit card required.

We work with some of the biggest names in the industry

SyndicateRoom logoFundMyPitch logoAscension logoSETsquared Partnership logoAntler logoFuel Ventures logoSFC Capital logoRepublic Europe logoInnovate UK logoColorintech logoCrowdcube logoshipshape.vc logoAngel Groups logoFocused for Business logoAngel Investors Bristol logoDigital Catapult logoThe Startup Foundry logoFemale Founders Rise logoSwoop Funding logoEnvestors logoJumpstart logo

What's your current goal?

Secure SEIS/EIS relief

SEIS/EIS is one of the strongest incentives for your early-stage investors. We handle the advance assurance application fast, so you can close sooner.

Raise funds

You're raising funds, but the process is complex. Simplify it with expert guidance and SEIS/EIS support. You just focus on growing your business.

Motivate your team

EMI and unapproved share options align your team's goals with your mission, giving them real ownership and retaining talent to drive growth.

Case study

£2.8M raised for just £1,450

And higher rated than competitors, according to Trustpilot.

“As a founder building an agentic AI platform for workforce planning in supply chains, I'm always looking for tools that save time and money. FounderCatalyst delivered both - the process was seamless, and it cost less than a tenth of what I was quoted elsewhere. It let us stay focused on growing the business, not buried in fundraising admin.”

Phillip Sewell
Phillip Sewell
CEO, Predyktable
FounderCatalyst
£1,450
Fixed price
★★★★★ 5.0 · Trustpilot
SeedLegals
£10,000+
Membership + percentage of raise
★★★★★ 4.7 · Trustpilot

Been there and done it

We are successful exited founders and angel investors: we provide personal guidance, consistency and expertise. We get you.

Meet the team

Our pricing is fair and transparent

No hidden fees. No extras. No catch. Whether a one-off fee or a subscription price, you will always get a fixed price from us.

View pricing

We are fast

Especially when it comes to fundraising, speed is a key aspect. We returned an SEIS/EIS advance assurance in as little as 3 working hours. That is fast!

See case studies

You are not alone

We will be there to support and give you guidance. It's not only us. You will be supported by a community of hundreds of founders like you.

Learn more

Become FounderCatalyst Verified and reach investors faster

Earn the FounderCatalyst Verified badge to show you're investment-ready, plus an Investor letter - no investor list needed for your SEIS/EIS advance assurance application. Get expert feedback on your deck and financial model before you go live, unlock the 'Sources of Funding' guide (angel search engines, UK angel networks, crowdfunding discounts, a free FundMyPitch listing), and use the 'Boost' page to put your raise in front of new investors and track their interest in real time.

Learn more

Hear what our customers
have to say about us

What founders say

In their words

A sample of testimonials from founders, advisors and investors who have worked with us.

“Sam and the team at FounderCatalyst go above and beyond to aid founders through the SEIS process to accreditation. Unlike their competitors, they charge a fixed fee, no recurring fee, and offer a tremendous peer-to-peer community, which has been invaluable in helping me build my team. It is time for change. Step away from household brands and try FounderCatalyst.”
Rebecca Middleton
Rebecca Middleton
Founder, Monitrix
Monitrix logo
“Founders always need external, expert support, and never more so than in the area of handling HMRC and SEIS/EIS. This is where the big learning curves come from, and you don’t want to get this wrong - it follows you for a long time. The team at FounderCatalyst are wonderfully human, knowledgable, accessible, experienced and focus on helping the Founder - the human. ”
Kim Page
Kim Page
CEO, Isosconnect
Isosconnect logo
“I joined FounderCatalyst and within an hour they had provided feedback on our pitch deck and forecast, built an SEIS/EIS advance assurance submission for us and then we submitted.  Within an hour - now that’s quality service and what a Founder needs!”
Oliver Weingarten
Oliver Weingarten
CEO, Summit Management
Summit Management logo
“FounderCatalyst is a must for ALL businesses looking to raise capital. As a qualified accountant even I struggle with the legalities, paperwork and even dealing with HMRC to obtain advance assurance. FounderCatalyst removes all these headaches and unlike their competitors the co-founders are always on hand to provide valuable support every step of the way. Quite simply they have become an invaluable 'department' of my business and I'm very grateful to be working with them.”
Nicholas Charles
Nicholas Charles
CEO, Danti Holdings Limited
Danti Holdings Limited logo
“I’d heard that FounderCatalyst’s SEIS advance assurance was lightning quick from another founder, but they’ve excelled themselves with Archive This Ltd. Full advance assurance received from HMRC in less than 3 working hours.”
Steven Down
Steven Down
Director, Archive This Ltd (t/a Only Helix)
Archive This Ltd (t/a Only Helix) logo
“Great experience with FC so far in getting my advance assurance approved! The platform is really easy to use and the team is incredibly helpful throughout the entire journey. Added bonus: the fantastic community of entrepreneurs. Excited to continue my journey with them!”
Priyanka Thakrar
Priyanka Thakrar
Founder, Riva Wellness
Riva Wellness logo
“Can't recommend Sam and the FounderCatalyst team enough. The product is great and the service is even better, and all for the best price in the market.”
Pavan Konanur
Pavan Konanur
Director, Hoja AI Ltd
Hoja AI Ltd logo
“Thank you to FounderCatalyst for making Investment easy and guiding us through all the legal steps required and answering all our queries so quickly. If you are a founder looking for SEIS and EIS approval, looking to understand where to find investors, or simply need support with the legal side of investment FounderCatalyst are the team to talk too.”
Matthew Walsh
Matthew Walsh
Co-Founder, Modular Commerce Limited
Modular Commerce Limited logo
“Thank you for taking the guesswork out of a very complicated EIS situation and process. It was effortless for me because you made all the effort!”
Claire Tchaikowski
Claire Tchaikowski
Founder and CEO, Human Milk Clothing
Human Milk Clothing logo

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