10 Oct 2026 · TrustList Editorial
Only 26 of 84 funding announcements named a single customer
Our count of 84 October items finds 73 named a lead investor, 63 a stage and 6 a company-stated valuation, while none of the 48 customer or…
27 of 72 advertising companies ranked on evidence in the Q4 2026 edition.
Between them, the 72 best-ranked of these 73 advertising companies cover consumer products & services (24), arts, entertainment & music (17), retail (17) and advertising (16). They also list work in California, York, New York and Boston. 72 of them have written a profile you can read before you get in touch.
TrustList ranking
Q4 2026 edition
27 of 72 advertising companies ranked on evidence held on 9 October 2026: client reviews, vetting, awards and facts each business states on its own website, which we read and date. Nobody pays to be placed.
Positions are fixed for the quarter; the next edition is due in January 2027.

DDA is a public relations and communications agency for the film, television and entertainment industry, with offices in London and Los Angeles and affiliates around the world.
On record: Based in London and Los Angeles

Arts, Entertainment & Music · Advertising & Marketing
Dean Russell Productions LLC is a corporate video production crew based in Los Angeles.
On record: Based in Los Angeles

Also in Sudan and New Orleans
Deltree Communications, whose website presents it simply as Deltree, produces digital content from Los Angeles after starting out in New Orleans.
On record: Based in Los Angeles

Consumer Products & Services · Information Technology · eCommerce
Digital Spades runs advertising for direct-to-consumer online brands, concentrating on campaigns across Meta and Google.
On record: Office in Los Angeles

Disruptive Digital Agency describes itself as a full-service photo and video production company with a focus on brand building.
On record: Address in Los Angeles

Consumer Products & Services · Advertising & Marketing · Business Services
Eidetic Marketing designs branded experiences and events. It operates from Los Angeles, Shanghai and Seoul, and says it has run campaigns in 23 cities.
On record: Based in Los Angeles (USA), Shanghai (China) and Seoul (Korea)

Social Media Management · Digital Marketing · Reputation Management
Eileen Koch & Company, Inc, known as EKC PR, is a public relations agency headquartered in Los Angeles and Beverly Hills, California.
On record: Based in Los Angeles and Beverly Hills, California

Consumer Products & Services · Arts, Entertainment & Music · Information Technology
Epikta is an agency in Los Angeles that develops software, designs hardware products and creates brand identities.
On record: Based in Los Angeles, California

Consumer Products & Services · Business Services · SEO · Also in Austin and Seattle
Executive Decision Marketing is a search engine optimisation company based in Los Angeles.
On record: Based in Los Angeles, California
Consumer Products & Services · Arts, Entertainment & Music · Advertising & Marketing
Exverus Media is an independent media agency that plans and buys paid media for brands.
On record: Address in Los Angeles
Arts, Entertainment & Music · Advertising & Marketing · Business Services
FastRock is a consultancy in marketing, advertising and brand partnerships, based in Los Angeles and New York.
On record: Based in Los Angeles and New York

Advertising · SEO · Internet · Also in Tokyo and Sydney
Fuji 9 is a digital marketing agency in Los Angeles that works on the whole customer acquisition funnel.
On record: Based in Los Angeles

Consumer Products & Services · Arts, Entertainment & Music · Advertising & Marketing
Good Kids is an independent creative agency serving ambitious brands from offices in Los Angeles, New York and Toronto.
On record: Office in Los Angeles

Consumer Products & Services · Hospitality & Leisure · Information Technology
Harmonica is an integrated marketing and public relations agency with offices in Los Angeles, New York and Tampa.
On record: Based in Los Angeles, New York and Tampa, USA

Arts, Entertainment & Music · Non Profit · Medical
HelpGood is a marketing and communications agency that works on social impact causes. It has offices in Los Angeles and New York City.
On record: Based in Los Angeles and New York City

Consumer Products & Services · Advertising · Also in Bristol and Manhattan
High Wide & Handsome is an advertising agency in Los Angeles that concentrates on consumer packaged goods, especially food and beverage brands.
On record: Based in Los Angeles

Ignition is an independent creative advertising agency with offices in Los Angeles and London.
On record: Based in Los Angeles, United States, with a second office in London, United Kingdom

Consumer Products & Services · Business Services · Financial Services
Infinity Media is a performance marketing business that avoids the label of agency.
On record: Address in Los Angeles · Owner-run

Consumer Products & Services · Arts, Entertainment & Music · Advertising & Marketing · Also in Paris
Insign is a marketing agency that handles branding and campaigns for businesses with many sites.

Arts, Entertainment & Music · Hospitality & Leisure · Non Profit · Also in New York and York
ITAL/C is a multidisciplinary creative studio based in Los Angeles, California. Its designers build brands from the ground up and steer established brands in new directions.
On record: Based in Los Angeles, California, USA

Jon Byk Advertising operates as BYK Advertising, an agency in Los Angeles that places the recruitment advertisements required for PERM labour certification.
On record: Based in Los Angeles, California, USA

Consumer Products & Services · Arts, Entertainment & Music · Hospitality & Leisure · Also in Washington and York
Independent communications agency with offices in Amsterdam and Los Angeles working on advertising and cultural projects
On record: Office in Los Angeles
On record: Based in Los Angeles, California

LA ads is a full-service advertising and marketing agency that describes itself as based in Los Angeles.
On record: Based in Los Angeles
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