8 Oct 2026 · TrustList Editorial
TODAY raises €2.8m seed for AI agents serving financial advisors
The Copenhagen and Berlin start-up, founded in 2024 by two former CLARK, Funding Circle and Billie leaders, says more than 3,500 advisers…
14 of 37 advertising companies ranked on evidence in the Q4 2026 edition.
Between them, the 37 advertising companies on this page cover advertising (21), creative (15), branding (8) and SEO (7). They also list work in London, California, United States and Iowa. 37 of them have written a profile you can read before you get in touch.
TrustList ranking
Q4 2026 edition
14 of 37 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 · Hospitality & Leisure · Advertising & Marketing · Also in United Kingdom
Bite Digital builds e-commerce websites that connect directly to a client's ERP system and to online marketplaces, for both business and consumer sales.
Why #1: In business 19+ years · Client numbers stated on its own website, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Advertising · Energy · Also in Iowa
Lessing-Flynn is an advertising and marketing agency in Iowa. It builds brands and tells stories for companies at different stages, using strategy and creative work together.
Why #2: Founded 1907, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Advertising
Brownstein Group is an independent advertising and public relations business in Philadelphia that has been operating for more than 60 years.
Why #3: In business 60+ years, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.

Hospitality & Leisure · Financial Services · Real Estate · Also in City of London and London
adams marketing, which trades as Adams Group, is a creative marketing agency in Kent.
Why #4: In business 30+ years, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.

Advertising · Creative · Branding
Fabrik Brands is a brand consultancy in London that has worked since 1997.
Why #5: Founded 1997, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Creative · Construction
CEA Marketing is a full-service marketing agency in Clearwater, Florida that builds its campaigns on strategy, data and AI tools.
Why #6: In business 28+ years, 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 Worcester
DesignReligion is a Worcester creative agency, set up in 2004, that builds brands, campaigns and digital experiences.
Why #7: Founded 2004, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.

Real Estate · Logistics · Also in Georgia
BR Solutions Pvt. Ltd is an app and web development company in India that turns client ideas into iPhone, Android and web applications.
Why #8 (shared): In business 20+ years, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.

Analytics
Gzeez Tech Design and Software Development Company is a software and app design business.
Why #8 (shared): In business 20+ years, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.

SEO · Partners · eCommerce
KCo Ad Agency, LLC is a digital marketing and web agency in Cape Coral, Florida. It has worked since 2009 and covers the path from concept to launch.
Why #10: Founded 2009, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Advertising · Creative · PPC · Also in Iran
Global Edge Advertisements LLC is a full-service advertising agency set up in the United Arab Emirates in 2010.
Why #11: Founded 2010, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.

Financial Services · Business Services · Information Technology
Independent B2B marketing agency running account-based marketing, paid campaigns, content syndication and marketing operations
Why #12: In business 15+ years, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.

Why #13: Founded 2014, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.

Video · eCommerce · Also in New York and York
LANGA is a digital design company that says it began in Italy and has worked on the web for more than ten years.
Why #14: In business 10+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.

Advertising · Energy · front
Ad Agent LLC is a small advertising and marketing outfit in Jackson, Mississippi.

Messaging · Also in California
Axis, trading as The Axis Agency, is an integrated marketing agency that helps brands reach a more diverse American public.

Advertising · Creative
BCNcontent is a Barcelona copywriting agency that produces marketing text in native English.
Business Services · Advertising · Creative
Blue Advertising is an independent agency in Washington, DC that concentrates on public affairs advertising.
On record: Independent agency

Advertising · Creative · Partners · Also in Indiana and Reading
Bowe Digital runs marketing, communications and advertising for businesses from a single-person operation up to large teams.

Partners · Collaboration · Medical · Also in California
California Cannabis Industry Association (CCIA) is a statewide trade body for businesses in California's legal cannabis industry.

Advertising · Creative · Branding · Also in Hawaii
Core Group One, Inc. is a Hawaii marketing agency that now trades as CGO Marketing, LLC. In January 2026 it joined Edward Enterprises and became its subsidiary.

Arts, Entertainment & Music · Hospitality & Leisure · Financial Services
Creative Blue Design is a graphic and web design studio in Didsbury, Manchester.

Financial Services · Advertising · Messaging
CSTMR is a marketing agency devoted entirely to fintech and financial services.

Digital Marketing · Advertising · SEO · Also in Iowa
David Shaul is a digital marketing consultant and business coach based in Omaha, Nebraska.
For vendors
The order is earned on evidence: client reviews, vetting, awards and the facts a business states on its own website, which we read and date. Nobody can pay to move up. Add reviews or verified facts to your free profile to move up at the next edition; there are two ways to stand out now, and each one says what it is.
Not on TrustList yet? Add your company or claim its listing, free.
Free
Paid · always labelled
Every other way we rank advertising companies, by what they do and where they are.
Articles on this subject first, then the newest.
8 Oct 2026 · TrustList Editorial
The Copenhagen and Berlin start-up, founded in 2024 by two former CLARK, Funding Circle and Billie leaders, says more than 3,500 advisers…
7 Oct 2026 · TrustList Editorial
The Toronto company, formerly called ProPay, emerges from stealth with two named home warranty customers and plans to move into extended…
7 Oct 2026 · TrustList Editorial
The Bengaluru company says its agents handle calls for banking and insurance clients and will use the Seed Plus money to widen Indian…
Jump to another ranked category.
Everything here links back to the same verified catalogue. Pick your next stop.