50 Best Advertising Companies to Watch in 2026

The most prominent advertising companies ranked by global prominence, funding activity, and market position. Showing the top 50 out of 139,031 companies tracked on Fsome.

139,031
Total Companies
$171.4B
Total Funding
$1.2M
Avg Funding
New York
Top Location
# Company Location Employees Total Funding Last Round Last Funded
1
MercuryAi
MercuryAi connects multiple AI language models through one API, making AI integr…
New Delhi 51 - 100 $641K Pre Seed 2026-01-06
2
SEMrush
SEMrush is an online visibility management and content marketing SaaS platform.
Boston 1K - 5K $40.0M Series Unknown 2018-04-24
3
MNTN
MNTN Performance TV is a CTV advertising platform with targeting, measurement, a…
Austin 251 - 500 $185.8M Series D 2022-02-01
4
Warner Bros Discovery
Warner Bros Discovery is a global media and entertainment company that creates a…
New York c 10001 max $17.5B Post Ipo Debt 2025-06-09
5
Legendary Entertainment
Legendary Entertainment is an entertainment company focused on producing digital…
Burbank 101 - 250 $3.7B Secondary Market 2026-01-15
6
Rezolve
Rezolve allows any kind of product or media to instantly trigger a highly releva…
London 51 - 100 $665.0M Post Ipo Equity 2026-01-21
7
Integral Ad Science
Integral Ad Science measures digital ad fraud, viewability, safety, and contextu…
New York 501 - 1K $300.8M Post Ipo Debt 2025-06-18
8
Klaviyo
Klaviyo is an automation and email platform designed to help grow businesses.
Boston 501 - 1K $1.3B Post Ipo Secondary 2025-08-13
9
Loop
Loop is a return portal that automated all the returns and refunds of products.
Columbus 101 - 250 $125.5M Series B 2023-10-04
10
Statusphere
Statusphere is an influencer marketing platform.
Orlando 51 - 100 $18.0M Series A 2026-01-20
11
Swiftly
Swiftly is a vertical SaaS + two-sided retail media marketplace uniting retailer…
Seattle 101 - 250 $215.6M Series C 2022-09-19
12
StackAdapt
StackAdapt is a multi-channel programmatic advertising platform that helps maxim…
Toronto 1K - 5K $536.6M Private Equity 2025-02-04
13
Amagi Media Labs
Amagi Media Labs is a media technology company that offers cloud-based solutions…
New York 501 - 1K $349.7M Series F 2022-11-01
14
WME
William Morris Endeavor (WME) is primarily a talent agency representing artists …
Beverly Hills 5K - 10K $650.0M Private Equity 2017-08-02
15
Brevo
Brevo is a developer of a cloud-based digital marketing platform used to build s…
Paris 1K - 5K $780.7M Secondary Market 2025-12-03
16
Moloco
Moloco offers programmatic advertising solutions to help optimize the client's a…
Redwood City 501 - 1K $215.7M Series D 2023-06-29
17
Fluency
Fluency provides a digital advertising operating system that allows users to man…
Burlington 101 - 250 $41.0M Series A 2025-12-16
18
Zeta Global
Zeta offers technology and marketing services to help brands acquire, engage, an…
New York 1K - 5K $1.5B Post Ipo Equity 2024-09-04
19
Looma
Looma is an in-store digital media platform that focuses on storytelling, educat…
Durham 11 - 50 $25.6M Series B 2025-12-16
20
DaVinci Commerce
DaVinci Commerce offers a cloud-based, data-driven omnichannel platform that per…
San Mateo 101 - 250 $46.4M Series Unknown 2026-03-23
21
MikMak
MikMak is a technology company that provides a digital commerce platform to help…
Brooklyn 101 - 250 $13.2M Series A 2020-08-03
22
Titan Operating System
Titan OS develops a TV operating system for easier content discovery and offers …
Barcelona 101 - 250 $64.8M Series A 2025-12-02
23
Conductor
Conductor is a content intelligence platform that enables marketers to create gr…
New York 251 - 500 $210.6M Series A 2021-11-16
24
HighLevel
HighLevel is a marketing and advertising platform that captures message leads vi…
Dallas 1K - 5K $60.0M Private Equity 2024-04-11
25
Attain
Attain is an outcomes driven platform enabling marketers with better data to ach…
Chicago 101 - 250 $93.0M Series B 2022-11-01
26
Mutiny
Mutiny helps B2B companies generate pipeline and revenue from their target accou…
San Francisco 51 - 100 $71.6M Series B 2022-04-20
27
Vibe
Vibe is a streaming TV advertising company for small and medium-sized businesses…
Chicago 101 - 250 $78.8M Series B 2025-09-30
28
Madhive
Madhive is a tech company engineered for modern TV advertising.
New York 501 - 1K $300.0M Private Equity 2023-06-13
29
Wunderkind
Wunderkind enables brands to better recognize their customers online, providing …
New York 501 - 1K $151.8M Series C 2023-03-02
30
Doceree
Doceree provides marketing solutions for pharmaceutical and healthcare brands to…
Parsippany 101 - 250 $64.8M Undisclosed 2024-10-17
31
Viant
Viant is an advertising software company enabling the execution and measurement …
Irvine 251 - 500 Private Equity 1998-11-01
32
Mundial Media
Mundial Media is the only NMSDC certified contextual marketing platform that ena…
Los Angeles 11 - 50 $3.5M Pre Seed 2024-11-14
33
Luxury Presence
Luxury Presence is a website and marketing system used by the world’s leading re…
Santa Monica 501 - 1K $87.5M Series C 2026-01-08
34
Integrity Marketing Group
Integrity Marketing Group is a provider of life and health insurance, offering w…
Dallas 5K - 10K $2.1B Private Equity 2021-12-09
35
Conviva
Conviva is the leading global streaming analytics platform.
Foster City 251 - 500 $110.0M Series Unknown 2017-06-15
36
InMobi
InMobi provides mobile advertising and consumer content platforms, connecting ad…
Bangalore 1K - 5K $774.3M Debt Financing 2025-12-04
37
Rembrand
Rembrand is an in-scene media and virtual product placement platform that uses A…
Palo Alto 51 - 100 $68.5M Series B 2025-12-30
38
Human Security
Human Security is a cybersecurity company that protects the internet and enterpr…
New York 251 - 500 $300.6M Series Unknown 2024-10-09
39
Taboola
Taboola is an AI-powered content discovery platform that connects people with co…
New York 1K - 5K $716.3M Post Ipo Debt 2025-03-19
40
Teads
Teads operates a cloud-based platform for programmatic digital advertising solut…
New York 1K - 5K $123.3M Secondary Market 2016-10-12
41
Prorata.AI
ProRata specializes in building AI-powered search and advertising solutions that…
Pasadena 51 - 100 $65.0M Series B 2025-09-05
42
AppLovin
AppLovin makes technologies that help businesses of every size connect to their …
Palo Alto 1K - 5K $5.1B Post Ipo Debt 2024-11-20
43
VideoAmp
VideoAmp is a software and data company that provides measurement and optimizati…
Los Angeles 251 - 500 $606.6M Series G 2023-09-13
44
Canela Media
Canela Media operates as a digital media company.
New York 101 - 250 $45.0M Series A 2022-02-24
45
Samba TV
Samba TV enables the next-generation TV experience powered by its first-party da…
San Francisco 251 - 500 $75.7M Debt Financing 2025-12-08
46
Magicpin
Magicpin is a platform that allows its users to shop and interact with those aro…
Gurgaon 501 - 1K $104.9M Debt Financing 2026-04-08
47
SuperAwesome
SuperAwesome offers kid-safe tools and technology for the children's digital med…
London 101 - 250 $58.0M Series Unknown 2020-01-27
48
AMI
AMI is an influencer and affiliate marketing management platform, helping brands…
San Francisco 11 - 50 $5.2M Seed 2018-07-07
49
Supernewsroom.AI
SaaS. AI PR Tech. High Authority News Sites. Gain Visibility in AI
Singapore 11 - 50 $438K Seed 2019-12-25
50
Kale
Kale develops a media platform that connects brands to their social-savvy superf…
New York 1 - 10 $3.9M Seed 2022-03-21