Arena
Techstars '16Techstars '16Plug and Play VenturesSan Francisco, US · 9 known investors
Arena is a real-time engagement platform that enables organizations to create immersive interactive experiences, engage audiences through live updates, and personalize customer interactions across news, gaming, and ecommerce industries.
Marketing TechMedia & EntertainmentRetail TechSaaS
Founders & leadership
PM
Paulo MartinsinFounderBefore starting Arena in 2017, he worked on ad products at Hulu and built data infrastructure at Ubisoft Entertainment, following an earlier stint as an AI software engineer at NASA's Johnson Space Center.
Investors · 9
CRV (Charles River Ventures)San Francisco · $250K – $5M
Incubate USLos Altos
Lightspeed Venture PartnersMenlo Park · $1.7M – $87M
Mu VenturesArmonkvia Gary Benerofe · inferred
TechstarsBoulder · $220K
Vela PartnersSan Francisco · $100K – $500Kvia Yigit Ihlamur · inferred
Andreessen HorowitzreportedMenlo Park · $500K – $50M
Kleiner PerkinsreportedMenlo Park · $500K – $15M
Plug and Play VenturesreportedSunnyvale · $50K – $12M
Competitors · 5
by search overlapRocket130 shared keywordsRocket.Chat is an open-source communication platform used by over 12 million users across more than 150 countries. The company provides messaging and collaboration tools for organizations, with special support programs for non-governmental organizations and developer communities.
Stream79 shared keywordsStream provides infrastructure for building AI applications and real-time communication features including chat, video, feed, and moderation across multiple platforms. The company serves developers and enterprises building multi-modal AI applications and communication-enabled apps.
Mighty Networks77 shared keywordsMighty Networks builds a platform for community management, courses, and events that helps community leaders and entrepreneurs build engaged member bases and generate revenue. The platform combines social features, course hosting, and event management with data-driven design principles.
Zapier73 shared keywordsZapier provides a platform for connecting AI models and agents to workflows and business applications, enabling teams to automate tasks across over 9,000 apps without coding. The platform serves enterprises, operations teams, and businesses of all sizes looking to deploy AI-driven automation for lead capture, customer support, employee onboarding, and other business processes.
Zendesk68 shared keywordsThis is Zendesk's internal belonging/diversity and inclusion program page, not a company profile page for an external company. It describes Zendesk's internal culture initiatives and leadership development programs.
Companies competing with Arena for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
City of Portland Sends Moda Center Arena Proposal to Trail Blazers | Blazer's Edgeblazersedge.com · Jul 2026
$1.35M state grant puts Mission Valley within reach of finally building its first ice arenakpax.com · Jul 2026
Portland Officials Send Blazers a Draft Term Sheet for Arena Fundingwweek.com · Jul 2026
Almost 90 new unicorns have been minted so far this year — here they are | TechCrunchtechcrunch.com · Jul 2026Frequently asked questions
- What does Arena do?
- Arena is a real-time engagement platform that enables organizations to create immersive interactive experiences, engage audiences through live updates, and personalize customer interactions across news, gaming, and ecommerce industries.
- Who founded Arena?
- Arena was founded by Paulo Martins.
- Who are Arena's investors?
- Arena's investors include CRV (Charles River Ventures), Incubate US, Lightspeed Venture Partners, Mu Ventures, Techstars, Vela Partners, Andreessen Horowitz, Kleiner Perkins and 1 more.
- Where is Arena headquartered?
- Arena is headquartered in San Francisco, US.