How Sponsoo Became the World's #1 Digital Sports Sponsorship Marketplace

Sports sponsorship is a multi-billion dollar industry, and until recently, most of it happened through personal networks, agents, and manual negotiations. A brand looking for an athlete to endorse their product would call contacts, email proposals back and forth, and negotiate terms in spreadsheets. An athlete looking for sponsors faced the same friction in reverse - limited visibility into which brands were looking, and no way to showcase their reach beyond their agent's contact list.

Sponsoo saw the opportunity: a digital marketplace that connects brands with athletes, making sponsorship accessible to both sides regardless of network size. But building a marketplace that handles real negotiation - where both parties agree on deliverables, timelines, and payment terms - is fundamentally different from building a listing site.

The platform needed to support structured negotiation workflows, handle complex deal structures (cash, products, services, or combinations), and maintain the trust of both sides throughout the process. The user experience had to be sophisticated enough for professional sports management but accessible enough for independent athletes managing their own careers.

And as the platform grew, the infrastructure had to scale with it. A sponsorship marketplace has seasonal traffic patterns - major sporting events, transfer windows, and Olympic cycles create demand spikes that the infrastructure needs to absorb without degradation.

Sponsoo needed a development partner who could build the complex negotiation logic that makes a marketplace work - not just profiles and listings, but the back-and-forth process of structuring, proposing, counter-proposing, and finalizing sponsorship deals. Off-the-shelf marketplace software couldn't handle the specificity of sponsorship agreements.

easy.bi was selected for the depth of their Symfony and TypeScript expertise, and their experience building custom transaction platforms. The team understood that marketplace success depends on the quality of the matching and negotiation experience - the features that turn visitors into active deal-makers. easy.bi's partnership with IBM for the cloud migration added infrastructure credibility for the enterprise brands that would use the platform.

Custom negotiation platform on Symfony. The core of Sponsoo is a structured negotiation system. Brands browse athlete profiles, review reach metrics and audience demographics, then initiate a deal proposal. Athletes can accept, counter-propose with modified terms, or decline. Each negotiation step is tracked, timestamped, and documented - creating a transparent record for both parties. The Symfony backend handles the business logic: deal state management, notification triggers, deliverable tracking, and payment workflows.

Angular frontend for both sides of the marketplace. Brands and athletes have different needs, so the TypeScript/Angular frontend serves different experiences from the same codebase. Brands see discovery tools, filtering by sport/reach/geography, and deal management dashboards. Athletes see their profile analytics, incoming proposals, and negotiation status. Both interfaces prioritize clarity - sponsorship deals involve real money, and confusion erodes trust.

Deliverable and payment structure flexibility. Sponsorship deals aren't simple purchases. A single deal might include social media posts, event appearances, product placement, and logo usage - paid through cash, products, services, or combinations. The platform's data model supports this complexity, allowing both parties to define precisely what's expected and what's offered in each agreement.

Kubernetes migration on IBM Cloud. As Sponsoo grew, the original hosting infrastructure couldn't handle traffic spikes during major sporting events. easy.bi migrated the platform to a Kubernetes cluster on IBM Cloud, working directly with IBM's team. This gave Sponsoo auto-scaling for demand peaks, rolling deployments for zero-downtime updates, and enterprise-grade reliability that major brands expect.

Agile development with continuous iteration. The platform evolved through agile sprints managed via Jira, with features prioritized based on marketplace data. Which deal structures do users create most often? Where do negotiations stall? What information do brands search for first? The answers shaped development priorities, ensuring the platform improved based on actual usage patterns.