A B2B marketplace for idle machinery capacity
Project description
For a mid-sized company in the construction industry we designed a B2B marketplace where construction companies can rent out unused machinery to other construction companies. The economic idea is clear: a roller, excavator or crane that sits idle between jobs still creates costs. If that machine can be described clearly, offered predictably and requested through a structured flow, idle capacity becomes a revenue channel.
The product turns a strongly analog process into a search, comparison and request platform. Users can find machines by type, location, time period, price and availability, inspect technical data and start a request.
Target state
The business goal was a digital revenue channel for machine owners and a faster procurement path for construction companies. Idle capacity should no longer be treated as unavoidable cost, but as rentable capacity.
The user goal was a search experience that works for real construction decisions. Site managers and fleet leads want to compare quickly: which machine fits the job, where is it located, when is it available, what does it cost per day and what information is available about the owner?
Challenges
Availability logic was the hardest product area. A construction machine is not simply available or unavailable. It may be free from a certain date, require a minimum rental period, include an operator, allow self-pickup or require transport. Maintenance, active sites, reservations and cancellations can all affect availability.
Trust was also a product task. In construction, a nice listing is not enough. Users need to understand owner status, offer quality, machine condition and how binding a request really is. These trust signals had to appear where decisions are made, not only in marketing copy.
Implementation
We structured the experience into three steps: entry, comparison and decision. The landing page starts with search, clear trust signals and a direct value proposition for owners.
Search became the main value driver. Filters for machine type, daily price, location and availability map the core decisions. Listing rows are intentionally dense so users can compare technical data, provider, availability, location and price without opening every detail page.
Outcome
The marketplace shows the core process of a real marketplace: offer machines, search, compare, inspect and request. Users can understand faster which offer fits and whether the next step is worth taking.
The first version creates a base for owner dashboards, request management, payment logic, protection workflows, handover protocols, damage handling and reviews.
Product views

Schwerwerk search
Schwerwerk reference image with search, filters, listing rows, pricing logic and machine photos.

Schwerwerk detail
Schwerwerk reference image with machine detail, technical data, price, location and booking area.

Schwerwerk entry
Schwerwerk reference image with marketplace entry, central search and listing logic.




