Best media buying agencies in Los Angeles

Published by Growth Partner Index Editorial Desk · Editorial policy

Media buying agencies plan and purchase ads across search, social, programmatic and sometimes TV and retail media. Agencies listed here include offices across the Los Angeles metro, such as Santa Monica and Culver City; metro offices are labelled.

8 scored media buying agencies with Los Angeles-area offices are listed below, led by inBeat, Darkroom, Single Grain. Use the list to narrow to two or three calls.

The shortlist

Ranked by Growth Partner Confidence Score · agencies with a Los Angeles-area office

  1. 1
    inBeat logo
    inBeat88.5/100700 South Flower Street, Suite 1000, Los Angeles, CA

    inBeat is a performance creative agency that turns UGC and influencer partnerships into high-converting ads, with expertise in paid media and growth marketing.

    Full profileVisit website$250k–$1M/mo

  2. 2
    Darkroom logo
    Darkroom74/100 IndependentLos Angeles, CA

    Darkroom is a growth marketing agency based in Los Angeles, CA working with Home Goods and Fashion & Apparel brands. Publishes 3 case studies with named clients and measurable outcomes, including OLIPOP, Crate & Barrel, Everlane.

    Full profileVisit website$50k–$250k/mo

  3. 3
    Single Grain logo
    Single Grain73/100 IndependentLos Angeles, CA

    Single Grain is a growth marketing agency based in Los Angeles, CA. Publishes 3 case studies with named clients and measurable outcomes, including SmartRent, LS Building Products, Simon Pearce. Rated 4.8 from 11 reviews on clutch.co.

    Full profileVisit website$10k–$50k/mo

  4. 4
    Eboost Consulting logo
    Eboost Consulting69/100 IndependentEl Segundo, CA (metro area)

    Eboost Consulting is a growth marketing agency based in El Segundo, CA working with eCommerce/DTC and B2B brands. Publishes 1 case study with named clients and measurable outcomes, including Itochu Descente. Rated 4.9 from 15 reviews on clutch.co.

    Full profileVisit websiteNot disclosed

  5. 5
    Wpromote logo
    Wpromote60/100 IndependentEl Segundo, CA (metro area)

    Wpromote is a growth marketing agency based in El Segundo, CA working with B2B and Financial services brands. Publishes 2 case studies with named clients and measurable outcomes, including Whirlpool, Klipsch.

    Full profileVisit websiteNot disclosed

  6. 6
    Amazon Growth Lab logo
    Amazon Growth Lab59/100 IndependentCulver City, CA (metro area)

    Amazon Growth Lab is a growth marketing agency based in Culver City, CA. Publishes 3 case studies with named clients and measurable outcomes, including Ernst Grain, Mavi Jeans, Ray-Ban. Rated 4.9 from 35 reviews on clutch.co.

    Full profileVisit websiteNot disclosed

  7. 7
    Open Influence logo
    Open Influence59/100 IndependentLos Angeles, CA

    Open Influence is a growth marketing agency based in Los Angeles, CA working with Financial Services and Alcohol brands. Publishes 3 case studies with named clients and measurable outcomes, including Dave, BBVA, NerdWallet.

    Full profileVisit websiteNot disclosed

  8. 8
    Hawke Media logo
    Hawke Media44/100 IndependentSanta Monica, CA (metro area)

    Hawke Media is a growth marketing agency based in Santa Monica, CA. Publishes 2 case studies with named clients and measurable outcomes, including K-Swiss, Crocs. Rated 3 from 2 reviews on clutch.co.

    Full profileVisit websiteNot disclosed

What to look for

  • Ask which channels they buy hands-on and which they outsource.
  • Ask for their measurement approach and how they report waste.
  • Confirm account ownership and any platform fees or markups.

How we picked

Numbered agencies carry a published Growth Partner Confidence Score and an office in Los Angeles or its metro.

Read the full Growth Partner Confidence Score methodology, or submit a correction if something here is wrong.

Frequently asked questions

What should I ask a media buying agency?
Who buys day to day, which channels they run directly, how they test incrementality, and how their fee relates to your spend.
Which media buying agencies have offices in Los Angeles?
inBeat (700 South Flower Street, Suite 1000, Los Angeles, CA); Darkroom (Los Angeles, CA); Single Grain (Los Angeles, CA); Eboost Consulting (El Segundo, CA, metro area); Wpromote (El Segundo, CA, metro area); Amazon Growth Lab (Culver City, CA, metro area).
How much do media buying agencies charge?
Typically a percentage of spend or a flat retainer; check for minimum spend requirements. Each profile lists the agency's disclosed budget band where available.
Is the featured partner the top-ranked agency?
No. Featured placements are disclosed Fieldtrip-network promotions. The numbered list is ordered only by published score.

Keep exploring

Ownership disclosure

Growth Partner Index is owned by Fieldtrip. Fieldtrip, inBeat, 9AM and Creative Milkshake are affiliated. Numbered order cannot be bought.