When was Scope3 founded?

Scope3 was founded in 2022 and raised its 1st funding round 1 year after it was founded.

Where is Scope3 located?

Scope3 is headquartered in New York City, United States.

Who is the current CEO of Scope3?

Brian O Kelley and Brian O'Kelley s of Scope3. Brian O Kelley has also founded 1 company.

How many employees does Scope3 have?

As of Sep 30, 2026, the latest employee count at Scope3 is 44.

Is Scope3 a funded company?

Scope3 is a funded company, having raised a total of $45M across 2 funding rounds to date. The company's 1st funding round was a $***** Series B round, raised on Oct 12, 2023.

How much is Scope3 worth?

The latest valuation of Scope3 is $***** as of Jan 01, 2023.

When was the latest funding round of Scope3?

Scope3's latest funding was a $***** Series C round on Oct 13, 2024, with participation from 6 investors.

Where does Scope3 rank among its competitors?

Scope3 ranks 10th amongst 296 active competitors, of which 36 are funded. It stands 8th in terms of total funding among its competitors. The most recent competitor to raise funding was Scope3, which secured $25M in Oct, 2024.

Who are the top competitors of Scope3?

Scope3's top competitors include AppNexus, Quantcast and MediaMath. Among them, Scope3 secured the most recent funding round in October, 2024.

Scope3 - 2026 Company Profile, Team, Funding & Competitors

Scope3 is a series C company based in New York City (United States), founded in 2022 by Brian O Kelley, Brian O'Kelley, Anne Coghlan and Emma Etherington. It operates as a Developer of a protocol for agent to agent advertising infrastructure. Scope3 has raised $45M in funding from Google Ventures, with a current valuation of $*****. The company has 296 active competitors, including 36 funded and 48 that have exited. Its top competitors include companies like AppNexus, Quantcast and MediaMath.

Company Details

Developer of a protocol for agent to agent advertising infrastructure. This platform facilitates communication between automated buyer and seller agents to manage advertising campaigns. It enables organizations to coordinate investment across multiple media channels while maintaining brand standards and strategic objectives through an open architectural framework. The system integrates with various large language models and software interfaces to automate media planning, negotiation, and delivery reporting. By providing a unified connection point, the architecture allows for scalable cross-channel campaign execution and data-driven budget allocation without requiring manual intervention for individual ad placements.

Website: scope3.com
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Key Metrics

Founded Year

2022

Location

New York City, United States

Stage

Series C

Total Funding

$45M in 2 rounds

Latest Funding Round

Series C, Oct 13, 2024, $*****

Post Money Valuation

$***** as on Jan 01, 2023

Investors

Google Ventures & 6 more

Ranked

10^th among 296 active competitors

Employee Count

44 as on Sep 30, 2026

Similar Companies

AppNexus & 432 more

View Scope3's full profile

Scope3 has raised a total funding of $45M over 2 rounds. Its first funding round was on Oct 12, 2023. Its latest funding round was a Series C round on Oct 13, 2024 for $*****. 6 investors participated in its latest round. Scope3 has 7 institutional investors.

Here is the list of recent funding rounds of Scope3:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Oct 13, 2024	3105802	Series C	7780075	8484131	8455645	4997091
Oct 12, 2023	6512022	Series B	6394617	1159986	Google Ventures	Room40 & 1 more

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View details of Scope3's funding rounds and investors

The founders of Scope3 are Brian O Kelley, Brian O'Kelley, Anne Coghlan and Emma Etherington. Brian O'Kelley and Brian O Kelley are the CEOs of Scope3.

Here are the details of Scope3's key team members:

Brian O Kelley: Co-Founder & CEO of Scope3 and founder of 1 other company.
Brian O'Kelley: Co-Founder & CEO of Scope3.
Anne Coghlan: Co-Founder & COO of Scope3.
Contact Info: 1 email address
Emma Etherington: Co-Founder of Scope3.
Contact Info: 1 email address

View details of Scope3's Founder profiles and Board Members

Scope3's employee count trend

Scope3 has 44 employees as of Sep 26. Here is Scope3's employee count trend over the years:

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Top competitors of Scope3 include AppNexus, Quantcast and MediaMath. Here is the list of Top 10 competitors of Scope3, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	AppNexus 2007, New York City (United States), Acquired	Full Stack Programmatic Advertising Technology	$319M	Schindler AM Ventures, TriplePoint Capital ... & 17 others	78/100
2nd	Quantcast 2006, San Francisco (United States), Acquired	AI powered data management platform	$61.7M	Founders Fund, Polaris Partners & 11 others	72/100
3rd	MediaMath 2007, New York City (United States), Series D	Programmatic demand side platform	$500M	Safeguard Scientifics, QED Investors & 21 others	71/100
4th	The Trade Desk 2009, Ventura (United States), Public	Provider of a platform for data-driven, omnichannel advertising campaign management	$82.5M	Scheuermann Investment, Western Alliance Bank ... & 21 others	70/100
5th	Viant 1999, Irvine (United States), Public	Provider of a demand-side platform for programmatic advertising solutions	$15.3M	HTIF, Kennet Partners & 1 others	67/100
6th	iPinYou 2008, Beijing (China), Series C	Cross-Screen Demand-Side Platform	$98M	CBC Capital, IRIS & 9 others	66/100
7th	Turn 2004, Redwood City (United States), Acquired	Demand-side and data management platform	$160M	Greenspring Associates, Norwest & 11 others	59/100
8th	Rocket Fuel 2008, Redwood City (United States), Acquired	AI-based programmatic media-buying platform	$60M	Northgate Capital, Mohr Davidow Ventures ... & 16 others	58/100
9th	Publift 2015, Surry Hills (Australia), Acquired	Provides a cloud based sell side platform	-	-	56/100
10th	Scope3 2022, New York City (United States), Series C	Developer of a protocol for agent to agent advertising infrastructure	$45M	Craft Ventures, Google Ventures & 5 others	56/100