8 Oct 2026 · TrustList Editorial
Rein Security raises $25m Series A to secure AI agents at runtime
Total funding reaches $35m. Rein says revenue has grown eightfold and its customer count fivefold since a January 2026 launch, with…
19 of 97 advertising companies ranked on evidence in the Q4 2026 edition.
Between them, the 97 best-ranked of these 99 advertising companies cover consumer products & services (29), retail (25), creative (21) and financial services (20). They also list work in York, California, New Jersey and Arizona. 97 of them have written a profile you can read before you get in touch.
TrustList ranking
Q4 2026 edition
19 of 97 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.

Consumer Products & Services · Arts, Entertainment & Music · Hospitality & Leisure
BusySeed is a digital marketing agency in New York City that mixes marketing, sales and technology work to help clients grow.
Why #1: Address in New York · Founded 2013 · Google partner, HubSpot partner, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.

Advertising · Partnership · Science
Buffalo advertising agency providing creative, PR, media, branding and digital marketing for regional and national brands
Why #2: Based in Buffalo, New York, United States · In business 40+ years · Team of 100+, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.

Social Media Marketing · Search Engine Optimization · Digital Marketing · Also in United Kingdom
Teamspirit was an agency for financial and professional services brands, with offices in London and New York.
Why #3: Office in New York · Founded 1995, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Advertising · Branding · Goals
East Shore Marketing is a media and digital marketing agency based in Ithaca, New York, in the Finger Lakes region.
Why #4: Based in Ithaca, New York · In business 30+ years, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.

Internet
Azam Marketing is a digital marketing and design agency set up in 1997, in the early days of the web.
Why #5: Office in New York · Founded 1997, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.

DPDK Digital Agency, now presenting itself simply as DPDK, is an independent brand agency set up in 2001.
Why #6 (shared): Office in New York · Founded 2001, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
Social Media Marketing · Digital Marketing · Web Development · Also in United Kingdom
FRUKT is a creative agency that specialises in entertainment. Since 2001 it has helped brands work in music, film and television, and gaming and esports.
Why #6 (shared): Office in New York · Founded 2001, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.

Catchword Brand Naming is the naming-led branding agency that trades as Catchword.
Why #6 (shared): Office in New York · In business 25+ years, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.

Immix Productions Inc. is a creative studio headquartered in Houston that has worked since 2001.
Why #6 (shared): Office in New York · Founded 2001, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.

Government
AVcommunications Inc. is a Canadian marketing agency built around multicultural audiences.
Why #10 (shared): Based in Canada, with addresses listed in New York and Los Angeles · In business 20+ years, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.

Financial Services · Medical · Automotive · Also in New York City and York
ConvergeDirect is a marketing agency focused on customer acquisition and measurable performance.
Why #10 (shared): Office in New York · Founded 2006, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.

Creative
Bush Communications is a marketing and creative design agency in Rochester, New York, focused on professional services and business-to-business clients.
Why #10 (shared): Based in Rochester, New York · In business 20+ years, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.

GrandArmy is an independent, multidisciplinary creative agency founded in 2008. It has offices in New York and Los Angeles.
Why #13: Based in New York and Los Angeles · Founded 2008, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.

Social Media Marketing · Web Development · Web Design · Also in Austria
Mobfox is a supply-side platform and ad exchange for mobile apps and connected TV.
Why #14: Office in New York · Founded 2010, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

iNexxus is an agency that runs growth marketing for brands across several countries. Its offices are in Montréal, Yerevan, Los Angeles and New York, and it has operated since 2011.
Why #15 (shared): Office in New York · Founded 2011, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Advertising & Marketing · Video · Responsive
Kworq is a digital marketing and creative agency in New York. It has worked with brands, startups and organisations since 2011.
Why #15 (shared): Based in New York, USA · Founded 2011, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Consumer Products & Services · Hospitality & Leisure · Financial Services
Ayni Brigade is a mission-driven marketing agency in New York City, founded in 2013.
Why #17: Based in New York, NY · Founded 2013, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.

Consumer Products & Services · Arts, Entertainment & Music · Advertising & Marketing · Also in Los Angeles and York
LaGuardiaBrothers is a creative production company that makes commercial and narrative video for brands. It has worked in New York, Los Angeles and Cleveland for about a decade.
Why #18 (shared): Office in New York · In business 10+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Fog & Apple runs public relations and content work for design and lifestyle brands out of New York.
Why #18 (shared): Based in New York, United States · Founded 2016, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.

Education · Goals · Production · Also in New Mexico and Michigan
Evolve Public Relations and Marketing is a PR and marketing firm founded by Jennifer Kaplan in 2010. She earlier co-founded another firm in 2005.
On record: Founded 2010, as stated on its own website, read 5 Oct 2026

Supply Chain, Logistics, and Transport · Arts, Entertainment & Music · Financial Services · Also in London
Marketing technology group owning agencies and platforms for generative AI content, digital media and influencer marketing
On record: Founded 2015, as stated on its own website, read 28 Sept 2026

Search Engine Optimization · SEO · Branding · Also in Wales and York
Ivy & White Marketing is a digital marketing agency that helps brands and their founders build lasting growth.
On record: Founded 2015, as stated on its own website, read 5 Oct 2026
Arts, Entertainment & Music · Retail · Medical · Also in Atlanta and Arizona
160over90 is an international marketing agency that ties brands to sport and culture.

360 PSG, which also presents itself as ThreeSixty, is a web design and digital marketing company headquartered in Buffalo, New York.
On record: Based in Buffalo, New York, United States
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8 Oct 2026 · TrustList Editorial
Total funding reaches $35m. Rein says revenue has grown eightfold and its customer count fivefold since a January 2026 launch, with…
8 Oct 2026 · TrustList Editorial
Its $60 million Series A came in two parts, the first $25 million last November. The company says run-rate revenue passed $100 million in…
7 Oct 2026 · TrustList Editorial
The New York company closed the round ten months after its Series A and plans to add credit, lending and fund movement to its receivables…
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