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Free stuff
Templates, guides and calculators for founders running their own round — no signup required.
An ASA. At a very different price.
Both products let you raise investment quickly on an Advanced Subscription Agreement before your valuation is set. We bundle SEIS/EIS advance assurance and compliance in for free. SeedLegals does not.
Prices exclude VAT. SeedLegals pricing taken from seedlegals.com on 19 June 2026.
Raising up to £100,000 a year
Like for like on a £100,000 raise: our Launchpad subscription covers unlimited ASAs for one fixed fee, while SeedLegals charge the Funding membership plus per-investor SeedFast fees on top.
FounderCatalyst Launchpad
SeedLegals SeedFast
Costs for a £100,000 raise
FounderCatalyst Launchpad is one fixed fee covering unlimited ASA, Agile and priced rounds up to £100,000 raised a year, with SEIS/EIS advance assurance and compliance included. SeedLegals SeedFast is charged per investor (from £150 each, as a percentage of the investment), or via Flex credits at £1,000 for a £100,000 raise; the one SEIS/EIS advance assurance or compliance is part of the £1,199 membership, not a free add-on.
Raising £500,000
Like for like on a £500,000 raise: Core lifts the fundraising cap entirely for one flat fee, while SeedLegals' membership and percentage-based fundraising fees both climb with the amount raised.
FounderCatalyst Core
SeedLegals SeedFast
Costs for a £500,000 raise
FounderCatalyst Core lifts the cap entirely for one flat fee, any raise size. SeedLegals' Flex credits are charged as a percentage of the raise that climbs with larger rounds (read at £100,000 as £1,000 and £500,000 as £4,500 on 19 June 2026); the one SEIS/EIS advance assurance or compliance is part of the £1,199 membership, not a free add-on.
Feature by feature
Both take investment on an Advanced Subscription Agreement that converts into shares at your next priced round. The legal mechanics are the same. The bill is not.
FounderCatalyst ASA
SeedLegals SeedFast
What's included in the price
ASA document features
Administration and compliance
SeedLegals pricing taken from seedlegals.com on 19 June 2026. All prices exclude VAT.
Founders who switched from SeedLegals
Infinitely better customer service
“I switched from SeedLegals to FounderCatalyst which has proved both cheaper and the customer service is infinitely better. Everything is included in the one off fee so you aren't hit by extra fees you don't expect.”
Chose FC over Vestd & SeedLegals
“Ronseal for fund raises — they do what they say on the tin! Direct, no nonsense advice from someone who has been there and done it.”
The value we get from FC is way beyond
“I've tried SeedLegals and the value we get from FounderCatalyst is way beyond — the support from FC is immediate and precise, compared with slow and inconsistent with SL.”
Wasted a load of money with SeedLegals
“Wasted a load of money with SeedLegals originally. Advice from some junior guys there vs Sam (a multiple exited founder and investor himself) doesn't even compare.”
Why founders moved from SeedLegals
“I am doing a funding round using another legal paperwork provider but hit an issue with our SEIS/EIS advance assurance being queried. I wasn’t entirely confident in the proposed response to HMRC and someone recommended I speak to the FC team. They helped me to improve my response and their support led to a positive response. Amazingly helpful and knowledgeable team, even for someone who wasn’t a customer. I've recommended them to colleagues already and will be switching to FC for our next round!”
“Just closed my round on FounderCatalyst - super simple and having the FC team on hand for any question (even the silly ones) was brilliant. Fixed fee is a game changer vs the competition, allowing you to keep more of the funds you raise for getting going with your business.”
“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.”
“We had a quote from SeedLegals for nearly £9k to do our ASAs and you offer amazing ASA templates and supporting documents for free. Genuinely crazy!”
“Big fan of the team at Founder Catalyst. Despite having built divisions in startups from the ground up for the past 10 years, this is my first time as a founder and I naturally have a lot of questions and learning to do. Sam and the team have been great teachers and advisors. They have guided me through the process every step of the way - from my first priced round, to getting SEIS/EIS advanced assurance. Key differentiator - they'll be real and straight with you about how to get things done. If you're lacking in a certain area, they'll tell you. This is invaluable for a first-time founder given the very distracting and contradictory noise surrounding the build of a business. I had considered Seed Legals before Founder Catalyst and found their approach to be purely sales driven rather than focused on customer care & quality of input. Another founder recommended FounderCatalyst and I'm so glad they did. Finally, a big shoutout to Charles who has been a game changer in customised legal advice.”
“I’ve completed two rounds with FounderCatalyst and have referred at least five fellow founders for their fundraising legal needs. The team is not only highly experienced and knowledgeable but also incredibly supportive, responsive, and fully understands the fast-paced nature of deal-making for founders. Their founder-first approach and service quality made me switch from Seedlegals to FounderCatalyst after my first round. Highly recommended.”
“I switched from SeedLegals to FounderCatalyst which has proved both cheaper and the customer service is infinitely better. Everything is included in the one off fee so you aren't hit by extra fees you don't expect. The team includes ex founders and investors so you get both technical and tactical support, which wasn't the case with SeedLegals. I also get very rapid responses to my emails, which was a refreshing change. ”
“Best decision we made as founders was switching to FounderCatalyst. Wasted a load of money with Seed Legals originally. Advice from some junior guys there vs Sam (a multiple exited founder and investor himself) doesn’t even compare. Sam had to spent a lot of time unpicking bad advice we had previously but did so with minimum fuss and no extra cost. Can’t recommend enough.”
“I had a really important meeting with an investor and had realised my cap table needed adjusting since we had made a few changes in the last few months. We had been using another platform for our documentation, but unfortunately, time was of the essence, and I needed something I could send on ASAP, I needed help with it and unfortunately, this was not something they could provide. My first thought was of Sam. I have known Sam for the last few years whilst building Bezzelle and knew that he was someone who could potentially save the day, I can confirm not only brilliant with all things funding, also a super nice guy too! Awaiting the outcome of the investment meeting but he has a new customer for our next funding round! (Sorry in advance for all my share related queries!)”
“We moved to FounderCatalyst from their rival after our first round - the fee structure in FounderCatalyst suited us much better and the support provided by the FounderCatalyst team has been excellent. They have an automatic tool to import our CapTable and we were up and running within minutes. My next round will cost about a third on FounderCatalyst.”
“Ronseal for fund raises - they do what they say on the tin! Chose FounderCatalyst for our first fundraise over Vestd and SeedLegals after conversations with all three. Reason for choosing - Sam. Direct, no nonsense advice from someone who has been there and done it. Service once we were onboard did not disappoint. Clear guidance and instructions with questions answered quickly and comprehensively. No hesitation in recommending to other founders.”
“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.”
“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.”
“FounderCatalyst was incredible to work with from start-to-end for our pre-seed round. They were meticulous, prompt to reply, and handled numerous customisations. I've used other legal services and platforms which came up too expensive and prone to errors. FounderCatalyst is miles ahead in terms of service, value-for-money and legal expertise.”
“Blown away by the service and value: I was under pressure to close a funding round swiftly before the end of the tax year and the FC team were on point and held my hand right through the process. I’ve tried SeedLegals and the value we get from FounderCatalyst is way beyond - the support from FC is immediate and precise, compared with slow and inconsistent with SL.”
“Sam and his team are the real deal, they know what they are talking about and offer the best value in town. I can confidently say this having wasted money and been disappointed with another firm (SL) previously.”
Ready to run your ASA round?
Start free, send the ASA paperwork in minutes, and bundle SEIS/EIS for nothing extra. No credit card required.