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. Boston restaurants, retailers, clinics and consumer brands use texts to drive repeat visits and online orders.
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 Boston, so each card names the agency's real base, and clients and prices appear only where published.
Where can a Boston business hire an SMS marketing agency?
Web Tonic plus nine external agencies with an SMS marketing service page on their own sites. Two are headquartered in Greater Boston; the others run Boston campaigns remotely. Three name a client publicly and two publish a price.
1. Web Tonic
About: Web Tonic runs SMS programs from our Boston 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 Boston office, with the main HQ in San Francisco and 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. Blue Seven Studio
About: Blue Seven Studio is a digital marketing and web design agency on Tremont Street in Boston that serves New England and the East Coast. Its email and SMS service builds targeted campaigns for local businesses and food and beverage brands.
Key Services: SMS Marketing, Email Marketing, Website Design, Brand Design, Marketing Strategy, SEO
Industries Served: Food and Beverage, Small Businesses, Hospitality, Retail, Professional Services
Notable Clients: Not named on the pages we checked
Locations: Boston, Massachusetts
Pricing: USD $450/month for email and SMS marketing
Great For: Small and mid-size businesses, Local brands starting with text marketing, Owners who want SMS run next to email and search
Website: Blue Seven Studio
3. AQ Marketing
About: AQ Marketing is a small-business marketing agency in Woburn, north of Boston. Its email and SMS automation reactivates past customers and nurtures leads with CAN-SPAM and TCPA compliant messages.
Key Services: SMS Marketing, Email Marketing, Local SEO, Website Design, Google Ads, Meta Ads
Industries Served: Dental, Medical Practices, Home Services, Local Businesses, Professional Services
Notable Clients: Not named on the pages we checked
Locations: Woburn, Massachusetts
Pricing: USD $500/month website and marketing package (12-month term)
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: AQ Marketing
4. 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
5. ECD Digital Strategy
About: ECD Digital Strategy is an ecommerce marketing agency on Union Street in Schenectady, New York. It builds behavior-driven SMS programs in Klaviyo, timed for revenue and paired with email and paid media.
Key Services: SMS Marketing, Klaviyo Email Marketing, Paid Social, Paid Search, Shopify Development, Direct Mail
Industries Served: Home and Garden, Food and Beverage, Apparel, Specialty Retail, Nursery and Agriculture
Notable Clients: Not named on the pages we checked
Locations: Schenectady, New York
Pricing: Quote-based
Great For: Ecommerce and DTC brands, Shopify stores growing repeat revenue, Teams running email and SMS together
Website: ECD Digital Strategy
6. Flowium
About: Flowium is a customer retention marketing agency for ecommerce brands. It runs SMS as a service next to email strategy, lifecycle flows, segmentation and deliverability work.
Key Services: SMS Marketing, Email Marketing, Lifecycle Flows, Segmentation, Deliverability, Copywriting
Industries Served: Ecommerce, Fashion, Beauty, Food and Beverage, Home Goods
Notable Clients: True Classic
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: Flowium
7. 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
8. MuteSix
About: MuteSix is a full-funnel performance marketing agency that has been part of Dentsu since 2019. Its SMS marketing service pairs text platforms with strategy and creative for direct-to-consumer brands.
Key Services: SMS Marketing, Paid Social, Video and UGC Production, Creative Testing, Email Marketing, Retail Media
Industries Served: DTC Apparel, Home and Cookware, Beauty, Apps, Wellness
Notable Clients: Not named on the pages we checked
Locations: Office address not published on the pages we checked
Pricing: Quote-based
Great For: Medical, dental and wellness practices, Clinics that want fewer no-shows, Teams that need careful consent handling
Website: MuteSix
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. Bryant Digital
About: Bryant Digital is a digital marketing and performance agency in Virginia Beach. Its email and SMS service builds lifecycle campaigns that turn one-time buyers into repeat customers.
Key Services: SMS Marketing, Email Marketing, SEO, Paid Search, Paid Social, Video Production
Industries Served: Real Estate, Home Builders, Technology, Solar, Professional Services
Notable Clients: Dynamis Alliance, Frye Properties, Franciscus Homes, Morphix Technologies, Convert Solar
Locations: Virginia Beach, Virginia
Pricing: Quote-based
Great For: Small and mid-size businesses, Local brands starting with text marketing, Owners who want SMS run next to email and search
Website: Bryant Digital
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 Boston office) |
| 2. Blue Seven Studio | Boston studio with an SMS starting price | USD $450/month for email and SMS marketing | Small and mid-size businesses |
| 3. AQ Marketing | Email and SMS for Greater Boston small businesses | USD $500/month website and marketing package (12-month term) | Home service companies and contractors |
| 4. CodeCrew | Attentive SMS specialists | Quote-based | Medical, dental and wellness practices |
| 5. ECD Digital Strategy | Klaviyo SMS for ecommerce brands | Quote-based | Ecommerce and DTC brands |
| 6. Flowium | Ecommerce retention with SMS and email | Quote-based | Ecommerce and DTC brands |
| 7. Budai Media | SMS for high-ticket ecommerce | Quote-based | Ecommerce and DTC brands |
| 8. MuteSix | SMS inside a DTC performance agency | Quote-based | Medical, dental and wellness practices |
| 9. EOptimized | San Diego SMS with SEO and PPC | Quote-based | Home service companies and contractors |
| 10. Bryant Digital | Lifecycle email and SMS | Quote-based | Small and mid-size businesses |
Frequently Asked Questions
How do I choose an SMS marketing agency in Boston?
Start with the goal: repeat sales, booked appointments or faster lead replies, because each needs different flows and reporting. Then check proof. Three of these nine agencies name a client on their own site (Planet Bee and True Classic 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 Boston?
There are two costs: the texting platform, which bills per message or segment, and the agency's fee. Two of the nine external agencies publish a price (Blue Seven Studio lists USD $450/month for email and SMS marketing; AQ Marketing lists USD $500/month website and marketing package). The rest quote per scope, because 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 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 Boston, 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 Boston business hire a local SMS marketing agency or a remote one?
Two of the nine external agencies are headquartered in Greater Boston; the others work remotely from bases such as Concord, San Diego and Schenectady. 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 Boston
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. Three of the nine external agencies name a client on their own site and two publish 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 Boston office.
