Table of contents
How we vet every listicle
Every agency featured on Web Tonic passes our 84-point editorial review before a single listicle goes live. This is how we vet each pick:
Verified client outcomes: We require real case studies with measurable KPIs — revenue, ROAS, CPA, retention — tied to the exact category being ranked. No cherry-picked wins, no unverifiable numbers.
Independent reputation: We cross-check Clutch, Google, G2, and Trustpilot ratings, and screen for review-bombing or suspicious patterns. Only operators with a consistent, verifiable track record make the cut.
Beyond that, every listing goes through a quarterly re-audit. We check 84 criteria across 6 pillars to make sure it still holds up — here are some of the checks we run:
An SMS marketing agency plans and sends text message campaigns for a business: it grows a consented subscriber list, registers the sending number, writes promotional and automated texts such as reminders and cart recovery, and tracks the sales they drive. Bay Area ecommerce, subscription and consumer tech brands use texts to recover carts and grow repeat revenue.
To make this list, each of the nine external agencies had to show an SMS or text message marketing service page on its own website. Not all of them have an office in San Francisco, so each card names the agency's real base, and clients and prices appear only where published.
Which SMS marketing agencies serve San Francisco companies?
Web Tonic plus nine external agencies with an SMS marketing service page on their own sites. One is headquartered in the San Francisco Bay Area; the others run San Francisco campaigns remotely. Four name a client publicly and none publishes a price.
1. Web Tonic
About: Web Tonic runs SMS programs from our San Francisco office alongside email, paid media and analytics, so list growth, automations and campaigns are planned by one team. Reporting is built around orders and bookings, and the texting platform, subscriber list and consent records stay in the client's own name.
Key Services: Growth Marketing, Paid Social, PPC, Meta Ads, SEO, Google Ads, Snapchat Ads, Amazon Ads, Reddit Ads, TikTok Ads, TikTok Shop, GEO-AEO, Webflow Design, Shopify Design, WordPress Design, UGC, Social Media Management, Pay Per Click Management, Marketing Analytics, Analytics Implementation & CDPs, Performance Branding, Performance 360° Audit, Programmatic Ads, OOH Ads, HR Marketing
Industries Served: eCommerce, SaaS, B2B, Construction Professionals, Home Services, SMEs, Health Spa & Wellness, Retail, Legal & Judicial Services, Food & Beverages, Pets, Fitness, Family & Children, Finance & Insurance, Travel, Non-Profits & Organizations, Furniture & Decoration
Notable Clients: WorldRemit, Jack & Jones, Ardene, L’Oréal, Sendwave, Nestlé, Airbnb. Serve Fortune 500 companies and smaller fast-paced startups.
Locations: Local San Francisco office, which is also the main HQ, with notable offices in New York, Chicago, Miami, Toronto, Montreal, Dubai, Singapore, Sydney and more. Offices on five continents.
Pricing: Starting at USD $3,000 per month. Flexible and scalable plans at any time according to your enterprise needs. Book a call to learn more.
Great For: Mid-market to enterprise-level businesses requiring ongoing, on-tap growth and performance marketing services.
Website: Web Tonic
2. CodeCrew
About: CodeCrew is a full-service email and SMS marketing agency on Mohr Court in Concord, in the East Bay. It builds and runs Attentive SMS programs next to custom email design and automation.
Key Services: SMS Marketing, Attentive SMS, Email Design and Coding, Email Automation, Deliverability, A/B Testing
Industries Served: Ecommerce, Wellness, CPG, Subscription Services, B2B
Notable Clients: Planet Bee, Mosaic Foods
Locations: Concord, California
Pricing: Quote-based
Great For: Medical, dental and wellness practices, Clinics that want fewer no-shows, Teams that need careful consent handling
Website: CodeCrew
3. Aeolidia
About: Aeolidia is a Seattle ecommerce agency that designs Shopify stores for creative, founder-led brands. It runs Klaviyo email and SMS strategy, flows and campaigns for those brands.
Key Services: SMS Marketing, Klaviyo Email Marketing, Shopify Design, Shopify Development, Brand Identity, Retention Strategy
Industries Served: Fashion and Apparel, Ecommerce, Home Goods, Stationery, Founder-Led Brands
Notable Clients: Superfit Hero, Expedition Press, Rifle Paper Co.
Locations: Seattle, Washington
Pricing: Quote-based
Great For: Ecommerce and DTC brands, Shopify stores growing repeat revenue, Teams running email and SMS together
Website: Aeolidia
4. GrowthHit
About: GrowthHit is a growth marketing agency focused on return on investment and structured testing. Its email and SMS service covers strategy, campaigns, automation and testing.
Key Services: SMS Marketing, Email Marketing, Conversion Rate Optimization, Landing Page Testing, Paid Search, Growth Experiments
Industries Served: Legal Services, B2B SaaS, Ecommerce, Professional Services, Startups
Notable Clients: Not named on the pages we checked
Locations: Office address not published on the pages we checked
Pricing: Quote-based
Great For: Ecommerce and DTC brands, Shopify stores growing repeat revenue, Teams running email and SMS together
Website: GrowthHit
5. Centric Squared
About: Centric Squared is an email and SMS marketing agency that publishes its own SMS case studies. One shows a women's accessories brand reaching 17% of store revenue from SMS within two months.
Key Services: SMS Marketing, Email Marketing, HubSpot CRM Setup, Deliverability Consulting, List Growth, Data Enrichment
Industries Served: Ecommerce, Financial Services, Professional Services, B2B, Small Businesses
Notable Clients: Not named on the pages we checked
Locations: Office address not published on the pages we checked
Pricing: Quote-based
Great For: Financial and direct-response brands, Marketers sending at high volume, Teams that need strict TCPA handling
Website: Centric Squared
6. DYODE
About: DYODE is an ecommerce agency in Fullerton, Orange County, founded by former apparel and retail executives. It runs Klaviyo email and SMS programs with automated flows and campaign execution for retail brands.
Key Services: SMS Marketing, Email Marketing, Klaviyo Flows, List Growth, Shopify Plus Development, Retention Strategy
Industries Served: Fashion and Apparel, Retail, Lifestyle, Ecommerce, Consumer Brands
Notable Clients: Tori Richard, L*SPACE, Spirit Jersey, Bandai Namco
Locations: Fullerton, California
Pricing: Quote-based
Great For: Ecommerce and DTC brands, Shopify stores growing repeat revenue, Teams running email and SMS together
Website: DYODE
7. Human
About: Human is a digital marketing agency in Irvine that works on ecommerce growth and retention. Its SMS service sends personalized text campaigns next to paid media, email and content work.
Key Services: SMS Marketing, Email Marketing, Paid Media, Retention Marketing, Content, Multi-Channel Strategy
Industries Served: Ecommerce, DTC Brands, Apparel, Beauty, Food and Beverage
Notable Clients: Softies
Locations: Irvine, California
Pricing: Quote-based
Great For: Ecommerce and DTC brands, Shopify stores growing repeat revenue, Teams running email and SMS together
Website: Human
8. Milked Media
About: Milked Media is a digital creative agency in Irvine that works only with ecommerce brands. Its email and SMS service automates messaging next to paid social, paid search and content production.
Key Services: SMS Marketing, Email Marketing, Paid Social, Paid Search, Creative Production, UGC Content
Industries Served: Fashion, Jewelry, Beauty, Home, Ecommerce
Notable Clients: Not named on the pages we checked
Locations: Irvine, California
Pricing: Quote-based
Great For: Ecommerce and DTC brands, Shopify stores growing repeat revenue, Teams running email and SMS together
Website: Milked Media
9. EOptimized
About: EOptimized is a San Diego digital marketing agency on Convoy Court with more than twenty years in business. It manages compliant SMS campaigns with segmentation, automation and performance tracking.
Key Services: SMS Marketing, Email Marketing, SEO, PPC, Web Design, Audience Segmentation
Industries Served: Local Service Businesses, Ecommerce, Home Services, Professional Services, Retail
Notable Clients: Not named on the pages we checked
Locations: San Diego, California
Pricing: Quote-based
Great For: Home service companies and contractors, Local businesses that want texts tied to booked jobs, Owners who need reminders and review requests automated
Website: EOptimized
10. Budai Media
About: Budai Media is an ecommerce retention agency with a dedicated SMS marketing service. It builds SMS and Klaviyo email programs for high-ticket and sustainable consumer brands.
Key Services: SMS Marketing, Klaviyo Email, Retention Marketing, Conversion Rate Optimization, Google Ads, Landing Pages
Industries Served: Sauna and Hot Tub Brands, Outdoor Living, DTC Ecommerce, High-Ticket Goods, Home and Garden
Notable Clients: Not named on the pages we checked
Locations: Office address not published on the pages we checked
Pricing: Quote-based
Great For: Ecommerce and DTC brands, Shopify stores growing repeat revenue, Teams running email and SMS together
Website: Budai Media
Quick Comparison Table
| Agency | Key Specialty | Starting Price | Best For |
|---|---|---|---|
| 1. Web Tonic | Full-Service Performance Marketing | USD $3,000/mo | Mid-market to Enterprise (local San Francisco office) |
| 2. CodeCrew | Attentive SMS specialists | Quote-based | Medical, dental and wellness practices |
| 3. Aeolidia | Klaviyo SMS for creative brands | Quote-based | Ecommerce and DTC brands |
| 4. GrowthHit | Test-driven email and SMS | Quote-based | Ecommerce and DTC brands |
| 5. Centric Squared | Published SMS revenue results | Quote-based | Financial and direct-response brands |
| 6. DYODE | Shopify Plus retailers on Klaviyo | Quote-based | Ecommerce and DTC brands |
| 7. Human | Orange County ecommerce retention | Quote-based | Ecommerce and DTC brands |
| 8. Milked Media | Email and SMS for fashion and beauty ecommerce | Quote-based | Ecommerce and DTC brands |
| 9. EOptimized | San Diego SMS with SEO and PPC | Quote-based | Home service companies and contractors |
| 10. Budai Media | SMS for high-ticket ecommerce | Quote-based | Ecommerce and DTC brands |
Frequently Asked Questions
How do I choose an SMS marketing agency in San Francisco?
Start with the goal: repeat sales, booked appointments or faster lead replies, because each needs different flows and reporting. Then check proof. Four of these nine agencies name a client on their own site (Planet Bee and Superfit Hero among them). Ask who writes the texts, how opt-in consent and quiet hours are handled, whether the number is registered for A2P 10DLC, and how results are measured beyond clicks.
How much does an SMS marketing agency cost in San Francisco?
There are two costs: the texting platform, which bills per message or segment, and the agency's fee. None of the external agencies here publishes a fee, so every figure will come from a proposal. Fees depend on list size, how many campaigns and automations run each month and whether email is included. Ask whether platform fees are billed separately and what the notice period is before you sign.
What is the difference between SMS software and an SMS marketing agency?
SMS software such as Klaviyo, Attentive or Postscript is the tool that sends the texts; an agency is the team that plans the program, writes the messages, builds the automations and keeps it compliant. Some agencies here run SMS next to email as one retention program, others add it to SEO or paid ads for local businesses. Check that the agency has a real SMS page and examples of texting work.
How long does SMS marketing take to show results?
Automated texts such as welcome, cart recovery and appointment reminders usually show results within the first few weeks. Growing a consented list takes longer, so most programs need two to three months of steady campaigns before revenue per message settles. In a market like San Francisco, plan for at least a quarter of sends and ask how the agency attributes orders and bookings to texts before you judge the channel.
Should a San Francisco business hire a local SMS marketing agency or a remote one?
One of the nine external agencies is headquartered in the San Francisco Bay Area; the others work remotely from bases such as Fullerton, Irvine and San Diego. A local agency helps when you want to meet in person or run in-store opt-in drives, but texting, automation and reporting all run online. Compliance experience and results with businesses like yours matter more than the address.
Choosing an SMS Marketing Agency in San Francisco
Start with your own numbers. Know how many customers have opted in, what a repeat order or booking is worth and how often they will accept a text. An agency can only plan campaigns around targets it has been told about.
Check experience you can verify. Four of the nine external agencies name a client on their own site and none publishes a price. Ask the rest for a reference you can call, and see how our SMS marketing service is scoped.
Agree how you will work together. Settle who owns the texting platform, subscriber list and consent records, how many campaigns go out each month and which result month three is judged on. Our email marketing team can run texts and email as one program.
Never skip the consultation. Book calls with two or three agencies from this list, bring the same brief to each and compare the questions they ask about your customers and consent. If you want a team in the city, meet our San Francisco office.
