Agencies worth talking to if you are shortlisting a digital marketing partner in San Antonio, with what each one does and where it is based. Healthcare, military and defense, financial services, tourism and a large Spanish-speaking market shape much of the demand.

We publish this page, so rather than scoring ourselves against the agencies below, here is what we do and you can judge for yourself.
We get businesses found on Google and named inside AI answers. SEO, content and the website itself, handled by one team rather than three vendors.
Koramangala, Bengaluru, IndiaPublished by SEO Sadhu · we publish this page, so we have kept ourselves out of the ranked list below.Four things decided who made it, and one thing decided how we present ourselves.
An operating office in the city, not a nameplate address on a national website.
Everything we list comes from the agency's own site. Anything they do not publish is marked Not disclosed.
Agencies that are visibly better at something specific, rather than listing every service in existence.
Named clients published by the agency, not logo walls with no names attached.
Sorted by nothing in particular. Anything an agency does not publish is marked Not disclosed rather than guessed at.
| Agency | San Antonio location | Best for | Core services |
|---|---|---|---|
| The PM Group | Medical Center, San Antonio, TX 78229 | Large regional brands wanting media buying, production, PR and events from one firm | Advertising, Digital marketing, Creative and video production, Public relations, Events, Media buying |
| GDC Marketing & Ideation | Tobin Hill, San Antonio, TX 78212 | Public-sector and consumer brands running integrated and experiential campaigns with a bilingual team | Strategy and messaging, Integrated campaigns, Digital advertising, Media, Video and 3D animation, Experiential events |
| Interlex | Tobin Hill, San Antonio, TX 78212 | Government agencies, nonprofits and corporations running culturally targeted behavior-change campaigns | Research, Brand strategy, Behavior change, Creative and advertising, Digital, PR and experiential |
| Chamoy Creative | Monte Vista, San Antonio, TX 78212 | Brands wanting Hispanic-market creative, translation and social media | Hispanic research and strategy, Hispanic creative campaigns, Adaptations and translations, Social media, Digital marketing, Media planning and buying |
| 1797 Creative | Monte Vista, San Antonio, TX 78212 | Businesses needing branding and logo work along with media buying | Branding and logo design, Advertising strategy, Media buying, Digital and social media, Web design, Email marketing |
| Strottner Designs | North Central, San Antonio, TX 78216 | Healthcare, education and local businesses wanting design, web and paid media from one shop | Logo and graphic design, Web design, SEO and GEO, Google Ads and Local Services Ads, Connected TV ads, Social media and email |
| Funnel Boost Media | Colonnade, San Antonio, TX 78230 | Service-area and home-service businesses wanting leads from SEO and PPC | Local and national SEO, PPC management, Website design, Social media marketing, Ecommerce marketing, Generative AI optimization |
| Red Rattler Creative | Downtown, San Antonio, TX 78205 | Home-service and other competitive local businesses wanting leads | SEO, Website development, WordPress web design, Google Ads |
| 2ten Marketing | Stone Oak, San Antonio, TX 78259 | Healthcare practices, plus contractors and dealerships | Digital ads, SEO, Website design, Reputation management, Video and photo production, Social, email and SMS |
| Gray Digital Group | Downtown, San Antonio, TX 78212 | Health systems, law firms, nonprofits and mid-size businesses needing full digital programs | Digital strategy and analytics, Web development, SEO, PPC and SEM, Social and reputation management, Video, podcast and content |

Ten agencies serving San Antonio, each with a clear speciality. Descriptions are drawn from each agency’s own website.
San Antonio has a long history in Hispanic and multicultural advertising, and several bilingual and multicultural agencies sit in Tobin Hill and Monte Vista just north of downtown. A second group of SEO, PPC and web agencies sits along the Interstate 10, Medical Center and US 281 corridors. Several agencies give an address in a serviced-office suite, so they are not on this list.
The PM Group is an advertising and marketing agency on Interstate 10 West, with in-house production and related companies covering events and audio-visual services.

GDC is a full-service marketing firm on West Poplar Street with in-house video, animation and interactive production. Its site describes team members who work in both English and Spanish.
Interlex is a full-service advertising, marketing and PR agency headquartered on North Main Avenue, focused on advocacy marketing across Latino, African American, Asian American and Native American audiences.

Chamoy Creative describes itself as a bicultural full-service advertising agency on East Mistletoe Avenue. Its Hispanic-marketing practice covers research, original campaigns and Spanish adaptation of existing work.

1797 Creative is a full-service advertising agency on West Mistletoe Avenue known for branding and logo design, offering both traditional media and digital channels.

Strottner Designs is a design and digital marketing firm on West Bitters Road covering branding, websites and search, plus paid media including Local Services Ads and connected TV.
Funnel Boost Media is an agency on Cherry Ridge Drive focused on website design, SEO and PPC for lead generation, plus Shopify and WordPress marketing.

Red Rattler Creative is an agency on Broadway downtown that builds lead-focused websites and runs SEO and Google Ads programs, with a focus on home-service businesses.

2ten Marketing is an agency on US Highway 281 North with a strong focus on healthcare practices, offering in-house video and photography alongside paid, search and CRM services.
Gray Digital Group is an agency on Camaron Street providing digital strategy, web development and paid and organic search, along with video and podcast production.
Six questions worth asking whoever you shortlist.
Strong at D2C performance marketing does not mean strong at B2B SEO. Shortlist for your actual bottleneck.
The people who pitch are often not the people on the account. Ask, and ask how many other clients they carry.
Ask for a redacted monthly report. If nothing in it connects to inquiries or revenue, expect an awkward month four.
Buyers now ask assistants before search engines. Ask how they get clients named in those answers.
Notice period, and whether your ads account, analytics and website stay in your name when you leave.
Nobody controls Google. A promised position means they misunderstand that, or expect you to.
This page is published by SEO Sadhu, an SEO agency in Bangalore. We have put ourselves in a separate featured card above rather than ranking ourselves against the agencies in the list, because scoring yourself first on your own page is not a ranking.
The agencies are presented in no particular order of merit. Every fact about them comes from their own website, checked in September 2026.
Think we have got something wrong about your agency, or want to be removed? Email seosadhu@gmail.com and we will fix it.
What people ask us while they are shortlisting.
Send us the agencies you are considering and what you are trying to achieve. We will tell you honestly which of them fits your problem, even when the answer is not us.