LatAm Partners, from the team behind the consulting firm Connect33, runs a B2B marketplace on its website that connects US companies with software development firms in Latin America, so a company that wants to outsource software work can find and evaluate partners in the region in one place.
LatAm Partners hired me through Upwork to design the marketplace itself, because it is the part of the product a US company uses to choose a partner: on the LatAm Partners platform it searches for firms, evaluates them, and opens each firm's profile before getting in touch. The LatAm Partners website already had a landing page, and they also asked me to improve it, because that page is the first thing a new visitor sees.