Best Advertising agencies in Los Angeles: Top 10 Ranked. Bloom Ads ranks first, with a Lister Score of 86.0.
Bloom Ads takes the top spot on this list: it provides real-time dashboards that prove what is working for clients. MGID is built for publishers seeking monetization and brands driving performance, and uses AI to optimize interactions for better ROI. Assembly serves Brands seeking integrated media and technology solutions, and uses its STAGE platform to deliver real-time insights.
Best Advertising Agencies in Los Angeles in 2026, compared
RANK
ENTRY
BEST FOR
SCORE
FROM
1
Bloom AdsOffers transparent reporting and insights to support franchise owners
franchise brands seeking localized execution
86.0
–
2
MGIDEmploys a proprietary fraud prevention system ensuring real traffic
Mid-market and international reach
86.0
Custom
3
AssemblyProvides round-the-clock service through experts in India, Egypt, and the Philippines
Global multichannel brand campaigns
82.0
Custom
4
AvatarLabsHas won ThinkLA’s Digital Agency of the Year award
entertainment brands seeking high-impact digital campaigns
82.0
–
5
Rescue AgencyOffers full-service implementation for behavior change campaigns
government agencies and nonprofits seeking behavior change marketing
82.0
–
6
WpromoteUnites strategy, media, creative, and data into one fully integrated playbook for growth
Full-service media planning and buying simplified with data-driven results.
Bloom Ads is an award-winning, woman-owned media agency based in Woodland Hills, CA. It provides media strategy, creative services, and real-time analytics to optimize ad spend.
Best for: franchise brands seeking localized execution
PROS
The agency provides real-time dashboards that prove what is working for clients.
Bloom Ads offers transparent reporting and insights to support franchise owners.
Assembly is a global media and technology agency focused on brand performance. It combines data-driven insights with creative execution to help clients achieve measurable results.
The storytellers for the finest storytellers in the world
AvatarLabs is an independent full-service interactive agency based in Los Angeles. It engages users across digital devices and platforms through innovative storytelling.
Best for: entertainment brands seeking high-impact digital campaigns
PROS
The agency has won ThinkLA’s Digital Agency of the Year award.
AvatarLabs offers best-in-class campaigns using emerging technologies like AR and VR.
Making healthy behaviors easier and more appealing for everyone
Rescue Agency approaches health behavior challenges through a data-driven lens. It brings together topic research and audience insights to develop tailored campaigns.
Best for: government agencies and nonprofits seeking behavior change marketing
PROS
The agency is a 100% employee-owned company with invested teams.
Rescue Agency offers full-service implementation for behavior change campaigns.
All-in-one automated direct mail marketing platform
LettrLabs is a direct mail marketing agency specializing in handwritten and printed campaigns. It offers an automated platform to design, personalize, and track outreach at scale.
Best for: Businesses seeking targeted acquisition and retention
PROS
The agency creates meaningful connections using robotically written mailers at scale.
LettrLabs provides built-in holdout testing to measure incremental lift accurately.
What are the best Advertising agencies in Los Angeles?
Bloom Ads ranks first on Lister. Bloom Ads is an award-winning, woman-owned media agency based in Woodland Hills, CA. It provides media strategy, creative services, and real-time analytics to optimize ad spend.
What are the top 10 Advertising agencies in Los Angeles?
1. Bloom Ads; 2. MGID; 3. Assembly; 4. AvatarLabs; 5. Rescue Agency; 6. Wpromote; 7. LettrLabs; 8. We Are Royale; 9. Giant Spoon; 10. The Many.
What do the top four say they are built for?
Bloom Ads says it is built for franchise brands seeking localized execution, and MGID for publishers seeking monetization and brands driving performance. Assembly says it is built for Brands seeking integrated media and technology solutions, and AvatarLabs for entertainment brands seeking high-impact digital campaigns.
