6 Nov 2026 · TrustList Editorial
IonQ closes $1.15 billion all-stock purchase of Elisity
Sellers can earn up to $150 million more on revenue milestones through January 2028. Elisity, founded in 2019, keeps its teams and platform…
4 of 11 advertising companies ranked on evidence in the Q4 2026 edition.
Between them, the 11 best-ranked of these 12 advertising companies cover financial services (3), consumer products & services (2), arts, entertainment & music (2) and SEO (2). 11 of them have written a profile you can read before you get in touch.
TrustList ranking
Q4 2026 edition
4 of 11 advertising companies ranked on evidence held on 12 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.

Based in Annapolis, Maryland, Herrmann has spent about forty years on marketing, advertising, branding and technology for clients in many countries, and its work includes a refugee…
Why #1: Based in Annapolis, Maryland · In business 40+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

SEO · Partners · Also in France
From an office in downtown Frederick, Maryland, FrederickAdvertising works in web design and search marketing.
Why #2: Based in Frederick, Maryland, United States · Founded 2000, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.

Frederick, Maryland design studio producing presentations, screen graphics, video edits and written content for businesses
Why #3: Based in Frederick, Maryland, USA · Founded 2005, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.

SEO
Maryland marketing and advertising firm combining digital services with marketing psychology for organisations of all sizes
Why #4: Based in Maryland · In business 10+ years, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.

Creative
Creative Intelligence Agency, now trading as Collaborative Intel Agency, is a Baltimore marketing firm.
On record: Based in Baltimore, Maryland, United States

Creative · Partners
Devaney & Associates is a boutique marketing, PR and advertising agency in Owings Mills, Maryland.
On record: Based in Owings Mills, Maryland · Boutique

Consumer Products & Services · Arts, Entertainment & Music · Financial Services
Based in Baltimore, Maryland, Enradius is a digital advertising agency whose stated goal is to cut wasted ad impressions by reaching people where they are, or where they have been.
On record: Based in Baltimore, Maryland

From a base in Baltimore's Camden Yards Warehouse, Exit10 handles advertising, design and public relations.
On record: Based in Baltimore, Maryland

Consumer Products & Services · Financial Services · Retail
GKV is an advertising agency in Baltimore that focuses on challenger brands, meaning companies up against bigger and better-funded rivals.
On record: Based in Baltimore, Maryland, USA

Hardly Square is a small branding and design studio in Baltimore, Maryland.
On record: Based in Baltimore, Maryland · Boutique

Arts, Entertainment & Music · Financial Services · Medical
Libretto is a communications consultancy for mission-driven organisations. It helps them put into words what they do, what they believe and what they hope to achieve.
For vendors
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Every other way we rank advertising companies, by what they do and where they are.
Articles on this subject first, then the newest.
6 Nov 2026 · TrustList Editorial
Sellers can earn up to $150 million more on revenue milestones through January 2028. Elisity, founded in 2019, keeps its teams and platform…
31 Oct 2026 · TrustList Editorial
TNS-2026-34 rates CVE-2026-119314 critical (CVSS 9.9) and marks proof-of-concept exploit code. It is the second command injection in the…
28 Oct 2026 · TrustList Editorial
The final IR 8547 replaces the old plan to disallow 112-bit RSA and ECC in 2031 with a deprecation window to 2035, while the most sensitive…
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