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The smartest AI ideas, in your inbox
Get the smartest, weirdest, and most creative AI builds each week - from real founders, builders, and tinkerers.
The smartest AI ideas, in your inbox
Get the smartest, weirdest, and most creative AI builds each week - from real founders, builders, and tinkerers.
Building the institutional finance platform now handling $2B+ in listings
Industry
Finance
Tools
n8n
Bubble
Services
Development
Design
An award-winning private-markets auction platform, FCA-regulated and SEC-registered, built and run by us for over a year.
- 65%
Signup Growth
Signup Growth
- SEC
Registered
Registered
- Award Winning
Finance Platform
Finance Platform
Stuart and Oliver had seen the same problem from the inside. Pension funds and institutional investors holding private equity, real estate and infrastructure assets had no good way to sell them. The secondary market existed in theory, and in practice it meant phone calls, informal networks and deals moving at the speed of the slowest participant. MeltX was their answer, and they needed a team who could build it.
The Process
MeltX's customers were looking for certainty: a pension trustee needed to know exactly who could see a listing, which buyers were approved, and what happened next. So MeltX had to be more than a marketplace. It had to be infrastructure that institutional investors would trust with real capital. The platform went live for its first auction, and the technology worked, while the back-office was still manual, chasing documents and working through buyer approvals by hand. We had been on weekly calls from the start, so we understood why those processes existed and what would fix them. The answer was to give fund managers their own secure, invite-only space to manage listings, upload documents and review buyers, with automated workflows, escalation logic and audit trails built in the order that let each piece extend the next.
The Result
MeltX now runs quarterly auctions for institutional buyers, sellers and advisers across multiple jurisdictions, with more than $2B in funds listed and deals ranging from £1m to £200m and beyond. The platform is FCA-regulated and SEC-registered, and was named the UK's Best Institutional Investment FinTech Platform. Over a year on from the first build, we are still the team behind it, growing it auction by auction.
Next Case Study
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Frequently Asked Questions
We're in a heavily regulated industry. Can you build to FCA and SEC standards?
MeltX is FCA-regulated and SEC-registered, recognised as the Best Institutional Investment FinTech Platform in the UK in October 2025. Regulated finance has specific demands around audit trails, identity verification, and document handling. We've shipped against them on Bubble.
Our market is institutional, not consumer. Do you understand that gap?
MeltX's customers are pension trustees and fund managers handling deals from £1m to £200m+. They're looking for certainty, not novelty. We built every feature around the question of whether an institutional buyer would trust the platform with real capital. Consumer playbooks don't transfer.
We launched v1 but the back-office is choking. Can you fix that without disrupting live operations?
MeltX's tech worked at launch. The back-office didn't. Listings, buyer approvals, signups all ran through manual checks twice a day. We built fund managers their own workspace inside the platform, with automated workflows, escalation logic, and audit trails. Live operations kept running while we built underneath them.
Our transactions are large and stakes are high. Will the platform handle that safely?
MeltX runs quarterly auctions for institutional buyers across multiple jurisdictions, with deals from £1m to £200m+. The architecture was built for that scale and that liability from the start. Bubble can hold high-stakes transactions when the build is treated with the seriousness the transactions require.
We need a multi-year partner, not a project agency. What does that look like?
Goodspeed is still MeltX's team over a year after the first build. Weekly calls with the founders from the start. Building in step with live auctions. The reason a partnership lasts is the same reason it works: consistent delivery, real understanding of what's actually happening, no surprises.
Frequently Asked Questions
We're in a heavily regulated industry. Can you build to FCA and SEC standards?
MeltX is FCA-regulated and SEC-registered, recognised as the Best Institutional Investment FinTech Platform in the UK in October 2025. Regulated finance has specific demands around audit trails, identity verification, and document handling. We've shipped against them on Bubble.
Our market is institutional, not consumer. Do you understand that gap?
MeltX's customers are pension trustees and fund managers handling deals from £1m to £200m+. They're looking for certainty, not novelty. We built every feature around the question of whether an institutional buyer would trust the platform with real capital. Consumer playbooks don't transfer.
We launched v1 but the back-office is choking. Can you fix that without disrupting live operations?
MeltX's tech worked at launch. The back-office didn't. Listings, buyer approvals, signups all ran through manual checks twice a day. We built fund managers their own workspace inside the platform, with automated workflows, escalation logic, and audit trails. Live operations kept running while we built underneath them.
Our transactions are large and stakes are high. Will the platform handle that safely?
MeltX runs quarterly auctions for institutional buyers across multiple jurisdictions, with deals from £1m to £200m+. The architecture was built for that scale and that liability from the start. Bubble can hold high-stakes transactions when the build is treated with the seriousness the transactions require.
We need a multi-year partner, not a project agency. What does that look like?
Goodspeed is still MeltX's team over a year after the first build. Weekly calls with the founders from the start. Building in step with live auctions. The reason a partnership lasts is the same reason it works: consistent delivery, real understanding of what's actually happening, no surprises.
Frequently Asked Questions
We're in a heavily regulated industry. Can you build to FCA and SEC standards?
MeltX is FCA-regulated and SEC-registered, recognised as the Best Institutional Investment FinTech Platform in the UK in October 2025. Regulated finance has specific demands around audit trails, identity verification, and document handling. We've shipped against them on Bubble.
Our market is institutional, not consumer. Do you understand that gap?
MeltX's customers are pension trustees and fund managers handling deals from £1m to £200m+. They're looking for certainty, not novelty. We built every feature around the question of whether an institutional buyer would trust the platform with real capital. Consumer playbooks don't transfer.
We launched v1 but the back-office is choking. Can you fix that without disrupting live operations?
MeltX's tech worked at launch. The back-office didn't. Listings, buyer approvals, signups all ran through manual checks twice a day. We built fund managers their own workspace inside the platform, with automated workflows, escalation logic, and audit trails. Live operations kept running while we built underneath them.
Our transactions are large and stakes are high. Will the platform handle that safely?
MeltX runs quarterly auctions for institutional buyers across multiple jurisdictions, with deals from £1m to £200m+. The architecture was built for that scale and that liability from the start. Bubble can hold high-stakes transactions when the build is treated with the seriousness the transactions require.
We need a multi-year partner, not a project agency. What does that look like?
Goodspeed is still MeltX's team over a year after the first build. Weekly calls with the founders from the start. Building in step with live auctions. The reason a partnership lasts is the same reason it works: consistent delivery, real understanding of what's actually happening, no surprises.









