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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.

5.0 on Trustpilot· No credit card required.

We work with some of the biggest names in the industry

Envestors logoFocused for Business logoColorintech logoAscension logoAntler logoFuel Ventures logoSFC Capital logoRepublic Europe logoInnovate UK logoCrowdcube logoFemale Founders Rise logoDigital Catapult logoSwoop Funding logoJumpstart logoshipshape.vc logoSyndicateRoom logoThe Startup Foundry logoAngel Investors Bristol logoFundMyPitch logoAngel Groups logoSETsquared Partnership 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
★★★★★ 4.8 · 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.

“Highly recommend. Good platform and superb service, plus a fantastic founders WhatsApp group if you want to be included.”
Peter Cawston
Peter Cawston
Investor & Director, Connected Railway
Connected Railway 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
“Great platform and a great service too. There’s always help at hand and a handy WhatsApp group to be a part of to learn everything you need to know about raising.”
Mari Thomas-Welland
Mari Thomas-Welland
Director, Maaree Ltd
Maaree Ltd logo
“FounderCatalyst helped with a set of 13x individual queries from HMRC on a advance assurance submission we originally completed ourselves. They wrote a professional response letter answering the queries and HMRC replied with confirmation of advance assurance in just a few hours.”
Juan Altonaga
Juan Altonaga
Co-Founder, Lulo Invest Ltd
Lulo Invest Ltd logo
“FounderCatalyst is more than just a digital fundraising platform—it's a true game changer for entrepreneurs. From day one, the level of support we received was unmatched. The team is practically on call 24/7, ready to answer every question we had, and they didn’t just give us answers—they took the time to explain the entire process in detail. This personal touch is worth its weight in gold. One of the standout features is the community. It’s filled with experts, successful ex-founders, investors, and fellow entrepreneurs, all actively engaged in fundraising. And when I say active, I mean good active—it's a highly useful, focused community with zero fluff or random chatter. Every discussion is purposeful, providing real value to your fundraising journey. FounderCatalyst helped us secure an ASA within weeks and managed all of HMRC’s queries seamlessly. The platform made the entire process so much smoother than I ever imagined. If you're looking for a platform that combines cutting-edge technology with real human expertise and support, look no further than FounderCatalyst. It's been absolutely pivotal in our fundraising success!”
Karli Büchling
Karli Büchling
Founder & CEO, Yoni Health Ltd
Yoni Health Ltd logo
“If you want speed, service and cost efficiency. FC are your guys. - Wow! FC is another level of good. From my first intro call with Sam (he was keen to explain and simplify the process for us) to concluding investment and issuing the SEIS3 certificates to investors, the process has been so intuitive and efficient....and speedy! The human response time on their support is remarkable. I used the 'other' guys for years and this is a whole different experience...and MUCH cheaper. Bravo.”
Aaron Loveman
Aaron Loveman
Director, The Good Food Family
The Good Food Family logo
“Sam and his team are phenomenal, FC is a no-brainer.”
Christiaan Coetzee
Christiaan Coetzee
Co Founder & CEO, The Audit Toolbar
The Audit Toolbar logo
“So far, so good. Have valued their responsiveness, advice and breadth of, no nonsense, step by step guides. They also helped us get SEIS/EIS pre assurance within 7 days. I wish I'd found them sooner.”
Richard Fitzmaurice
Richard Fitzmaurice
Founder, Paartner
Paartner logo
“Rapid Assurance: Exceptional Service by FounderCatalyst and Sam - I recently worked with FounderCatalyst and was thoroughly impressed by their exceptional service. From start to finish, the experience was smooth and efficient. Sam provided prompt, helpful responses - answering every question I had and guiding me through the process with clarity and ease. Thanks to his and the team's dedication, I was able to complete the form quickly and even received full advance assurance in less than 8 working hours! This level of responsiveness and professionalism is rare, and it truly made all the difference. I highly recommend FounderCatalyst and thank Sam for his outstanding support!”
Martyna Ryder
Martyna Ryder
Director, Lagom Hem Limited
Lagom Hem Limited logo

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