Index Exchange

A · Ecosystem Services

Toronto, Ontario, Canada · Founded 2003

501-1000 employees · $92M

Sourced & current · updated Oct 26, 2026Website

Index Exchange is an independent supply-side platform that helps media owners connect with leading brands, operating as a neutral, conflict-free exchange to advance efficiency, transparency, and quality across the programmatic ecosystem.

Where they sit

Stack tier: Ecosystem Services (A)

Supply Side Platform (SSP)Ad ExchangeProgrammatic Platform

One of the largest independent SSPs globally, known for its neutral, conflict-free stance and long-standing relationships with premium publishers and top-tier demand partners

Ownership

Subsidiaries

I

Index Cloud

I

Index Marketplaces

R

Rivr

Competitors

Adello

Alkimi

AppNexus

Magnite

Media.net

Microsoft Monetize

PubMatic

Rubicon Project

In their space

• Microsoft shuts down Microsoft Invest (formerly Xandr DSP)Verified · 1✓Feb 28, 2026
• Google retires most Privacy Sandbox technologiesVerified · 1✓Oct 17, 2025
• PubMatic IPOVerified · 2✓Dec 9, 2020 · $1.2B valuation
• Rubicon Project, Inc. IPOVerified · 2✓Apr 2, 2014

Key people

A

Andrew Casale

CEO

F

Filippo Arroni

Director & Chief Sales Officer

C

Cadi Jones

Commercial Director, EMEA