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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

Female Founders Rise logoCrowdcube logoEnvestors logoAngel Investors Bristol logoAntler logoFuel Ventures logoSFC Capital logoRepublic Europe logoInnovate UK logoSwoop Funding logoFundMyPitch logoColorintech logoFocused for Business logoSETsquared Partnership logoSyndicateRoom logoJumpstart logoDigital Catapult logoshipshape.vc logoAscension logoAngel Groups logoThe Startup Foundry 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 signal you're investment-ready, then get expert, unfiltered feedback on your pitch deck and financial model from a serial angel investor - so you're fully prepared before your raise goes live. You'll also unlock FounderCatalyst's 'Sources of Funding' guide, covering angel search engines, every UK angel network, crowdfunding discounts, and a free listing on FundMyPitch (success-fee only). And with the FounderCatalyst 'Boost' page, you can 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.

“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
“FounderCatalyst's services and support has been instrumental in guiding us through the intricacies of SEIS/EIS advance assurance and our legal paperwork, including clarifying the legal jargon. This has significantly contributed to our early stage growth.”
Taliesin Horton-Horsman
Taliesin Horton-Horsman
Co-founder, TouchImmersion Limited
TouchImmersion Limited logo
“The process with FoundersCatalyst was smooth and efficient. Given my inexperience in the startup world, the team held my hand and explained things to me. The WhatsApp group of exceptional founders has been invaluable. I received my SEIS assurance within three weeks.”
Ngozi Cadmus
Ngozi Cadmus
Director, Happiworkers
Happiworkers 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 have been amazing, not only did they get the SEIS assurance as promised but the back up and additional services they provide as part of the service are invaluable. The community they create with other founders is also a great source of shared knowledge and support. Couldn’t recommend highly enough, thanks FC!”
Harvey Banner
Harvey Banner
Founder, Morph Bricks
Morph Bricks logo
“This platform helped more that i could have thought, from guiding me through my pre-seed raise, issuing the documents, keeping me accountable for what i needed to do...'You don't know what you don't know', and in a founder journey especially when dealing with legal and important paperwork this can fill you with fear. Luckily FC guides you through it all. Their community is also fab and so is their pricing.”
Charlotte Ridley
Charlotte Ridley
Founder, Memorify
Memorify 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
“Strongly recommend this to all SEIS/EIS founders who need to do their legals and raise completed in a simple, straightforward, compliant low cost way. Sam and team go above and beyond.”
Eric Steven Ogley
Eric Steven Ogley
Director, Hyra Limited
Hyra Limited logo
“Sam and the FounderCatalyst are attentive, diligent and extremely helpful with all things associated with a funding round, particularly, when it comes to legals. Sam has built a supportive and thriving community and that's a testament to his founder-first approach. I'd highly recommend his services to any founder looking to raise investment.”
Jaymish Patel
Jaymish Patel
Founder, Biofuel Evolution
Biofuel Evolution logo

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No credit card required.