PROJECT BACKGROUND
Marketplace businesses are probably the most over-scoped product category in the startup ecosystem. The trades and home services sector has seen a wave of funded platforms attempt to solve the trust deficit between homeowners and tradespeople — with mixed results, because most of them built in the wrong order.
The problem is real. Finding a reliable, vetted local tradesperson remains genuinely difficult for most UK homeowners. Word of mouth still dominates a sector that processes billions in transactions annually. The opportunity is legitimate.
THE PROBLEM
The scope creep is structural. Founders researching this space quickly conclude they need ratings and review systems, payment processing, dispute resolution, algorithmic matching, contractor vetting workflows, and a marketing engine to attract both sides simultaneously.
They’re not wrong that these things matter eventually. They’re wrong that they matter on day one.
The cold start problem for any marketplace is supply. You need enough verified tradespeople on the platform before homeowners will use it. That’s a sales and operations problem, not a technology problem — and it doesn’t require a matching algorithm.
Agencies quote £60,000–£120,000 for a fully featured trades marketplace. That figure isn’t unreasonable for what they’re proposing. The issue is that most founders don’t need what’s being proposed.
HOW DOTED SOLVED IT
The first conversation with a marketplace founder is about what you’re trying to prove, not what you’re trying to build. In trades and home services, the core hypothesis is: will verified local tradespeople create profiles, and will homeowners use those profiles to make contact?
That’s a binary question. You don’t need payment processing to answer it.
A lean MVP for this category is a verified directory with tradesperson profiles, location and trade-category filtering, and a direct enquiry system. No algorithm. No payment layer in v1. Just the connection — enough to test whether both sides show up.
WHAT GETS BUILT
A web marketplace with tradesperson profile creation and verification workflow, homeowner search and filter by location and trade category, direct enquiry system with notification management, and a basic admin dashboard for the founders to manage listings and onboarding.
A scoped MVP of this kind is a 9–11 week build. The full feature set comes after you’ve validated that anyone wants what you’re offering.
OPERATIONAL BENEFITS
The right founder for this build is someone willing to manually recruit their first 40–50 tradespeople before the platform launches. Technology doesn’t solve the cold start. Hustle does. Technology makes it scalable once the model is proven.
A lean approach means founders can test supply and demand assumptions before building any paid infrastructure — saving significant cost and time at the highest-risk stage of the business.
THE BROADER LESSON
“The two-sided marketplace founders who waste the least money are those who resist the temptation to build the end state before proving the starting assumption. Build the minimum that tests the model. Add complexity when the data tells you to.”
Doted’s approach to marketplace builds