United States · Email and Retention
25 published agencies currently meet the research standard for this page. Each entry below states what it is best suited for and what evidence supports that.
Lifecycle, CRM and retention programmes that raise repeat revenue.
The agencies below have enough source-backed evidence to be compared meaningfully. Use the comparison table for a scan, then read the profiles for the evidence behind each claim.
Filter and sort the full directory for wider results.
| Agency | Best suited for | Min. project | Team size | Evidence |
|---|---|---|---|---|
| Barrel | CPG (consumer packaged goods) brands wanting a single partner to unify strategy, design and performance across Shopify DTC, point-of-sale, B2B and marketplace channels, as demonstrated by its work relaunching sites for established brands like McCormick & Company and Waterloo Sparkling Water. | — | — | limited |
| ATTN Agency | DTC and retail brands seeking performance-driven customer acquisition and lifecycle retention marketing, including paid media (Meta, TikTok, Google, YouTube), email, SMS and direct mail, run by a team the site describes as 'performance operators' building 'profitable revenue systems'. | — | — | agency provided |
| Groove Commerce | B2C and B2B eCommerce merchants needing a partner for design, development, migrations, SEO, PPC and email/SMS on Shopify, BigCommerce or Magento. | — | — | agency provided |
| Ladder | New ventures and established companies wanting a data-driven growth marketing team across paid media, CRO, lifecycle and creative. | — | — | agency provided |
| Metric Digital | Not yet documented | — | — | agency provided |
| SmartSites | Small and mid-sized businesses wanting a full-service digital marketing partner for web design, SEO, PPC, email/SMS and social media. | — | — | agency provided |
| Fuel Made | Ecommerce companies seeking Shopify website development and Klaviyo email marketing. | — | — | agency provided |
| Blue Corona | Home-service businesses seeking coordinated online lead generation and marketing support. | — | — | limited |
| Cannaverse Solutions | Not yet documented | — | — | agency provided |
| Chair 8 | Not yet documented | — | — | agency provided |
| EOptimized | Not yet documented | — | — | agency provided |
| Flowium | DTC brands building repeat purchase revenue through email and SMS programmes. | — | 51-200 | agency provided |
| Formula Marketing | Not yet documented | — | — | agency provided |
| Good Moose | Not yet documented | — | — | agency provided |
| Kurve Marketing Group | Not yet documented | — | — | agency provided |
| Lawrence & Schiller | Not yet documented | — | — | limited |
| Magneti | Not yet documented | — | — | agency provided |
| Online Optimism | Not yet documented | — | — | agency provided |
| PHOS Creative | Not yet documented | — | — | limited |
| Social Reach | Smaller businesses wanting website design and multi-channel marketing from one team. | — | — | agency provided |
| Stimulate Agency | Not yet documented | — | — | agency provided |
| Sweat Pants Agency | Not yet documented | — | 11-50 | agency provided |
| Tampa Creative | Not yet documented | — | — | agency provided |
| Verum | Not yet documented | — | — | agency provided |
| Worth Advertising Group | Car dealerships, dealer groups, OEM teams and automotive service providers. | — | — | limited |
New York, United States
New York commerce agency for consumer packaged goods brands, covering Shopify storefronts, design and email and retention marketing.
Compiled from public information. The agency has not claimed this profile. Last verified September 9, 2026.
San Diego, United States
ATTN Agency is a San Diego growth marketing agency working with direct-to-consumer and ecommerce brands on acquisition and retention. Its services include paid media, email and SMS marketing.
Compiled from public information. The agency has not claimed this profile.
Baltimore, United States
Groove Commerce is a Baltimore ecommerce agency offering web design, development and marketing for Shopify and BigCommerce merchants. Its services include email and SMS marketing and paid media.
Compiled from public information. The agency has not claimed this profile.
New York, United States
Ladder is a New York growth marketing agency combining paid media, creative, conversion rate optimisation and lifecycle marketing. It works with ecommerce and digitally native brands on full-funnel performance programmes.
Compiled from public information. The agency has not claimed this profile.
New York, United States
Metric Digital is a New York performance marketing agency specialising in ecommerce. It runs paid search, paid social, email marketing and SEO programmes for direct-to-consumer brands.
Compiled from public information. The agency has not claimed this profile.
Paramus, United States
SmartSites is a full-service digital marketing agency offering website design and development, SEO, PPC and email and SMS marketing. It was founded by brothers Alex and Michael Melen.
Compiled from public information. The agency has not claimed this profile.
Seattle, United States
Fuel Made is a Seattle agency providing Shopify design and development, conversion rate optimisation and Klaviyo lifecycle marketing for ecommerce brands. It states it is a Shopify Plus partner and Klaviyo Master Elite agency.
Compiled from public information. The agency has not claimed this profile.
Gaithersburg, United States
Blue Corona markets home-service businesses through websites, SEO and paid media. Its site also offers email marketing, social advertising and lead tracking.
Compiled from public information. The agency has not claimed this profile. Last verified October 19, 2026.
San Francisco, United States
Cannabis and CBD marketing agency providing branding, packaging, web design, social media and PR exclusively for cannabis and CBD brands.
Compiled from public information. The agency has not claimed this profile. Last verified September 28, 2026.
Raleigh, United States
Chair 8 is a data-empowered digital marketing agency in Raleigh, NC offering design, branding, video content, paid advertising, and email marketing.
Compiled from public information. The agency has not claimed this profile.
San Diego, United States
A San Diego-based digital marketing agency specialising in SEO, PPC advertising, and custom website design for local and growing businesses, including e-commerce brands.
Compiled from public information. The agency has not claimed this profile. Last verified September 22, 2026.
New York, United States
Flowium is a retention marketing agency for ecommerce brands, designing and operating email and SMS programmes as a Klaviyo partner.
Compiled from public information. The agency has not claimed this profile. Last verified September 13, 2026.
San Diego, United States
A San Diego performance-driven digital agency offering performance marketing, creative and content, web and experience design, PR, and hospitality events.
Compiled from public information. The agency has not claimed this profile. Last verified September 22, 2026.
New York, United States
Good Moose is an independent New York beauty marketing agency scaling skincare, fragrance and cosmetics DTC brands through paid media, creative testing and retention.
Compiled from public information. The agency has not claimed this profile. Last verified September 28, 2026.
Boston, United States
A full-service Boston marketing agency offering SEO, paid media, web design, brand strategy and email and lifecycle marketing for New England businesses.
Compiled from public information. The agency has not claimed this profile. Last verified September 22, 2026.
Sioux Falls, United States
Marketing agency with its headquarters and video production center in Sioux Falls, offering branding, digital marketing and media.
Compiled from public information. The agency has not claimed this profile. Last verified October 21, 2026.
Denver, United States
Magneti is an inbound and digital marketing agency with offices in Denver and Colorado Springs, Colorado. It is a certified HubSpot Gold Partner offering email marketing, branding and lead-generation services aimed at driving revenue, retention and loyalty through email.
Compiled from public information. The agency has not claimed this profile. Last verified September 14, 2026.
New Orleans, United States
A New Orleans digital marketing and design agency offering social media, SEO/AEO, ads, video and branding.
Compiled from public information. The agency has not claimed this profile. Last verified September 28, 2026.
Gainesville, United States
Agency offering SEO, PPC, social media, email and content marketing.
Compiled from public information. The agency has not claimed this profile. Last verified October 21, 2026.
Houston, United States
Social Reach is a creative marketing agency building Webflow and Shopify websites and running search, email and paid campaigns for small and mid-sized businesses.
Compiled from public information. The agency has not claimed this profile. Last verified September 13, 2026.
Boston, United States
Stimulate is a Boston-based agency, with an additional office in Chicago, specialising in email and SMS retention strategies for ecommerce brands. Founded in 2020, it focuses on lifecycle marketing to grow customer revenue and profitability.
Compiled from public information. The agency has not claimed this profile. Last verified September 14, 2026.
Nashville, United States
Nashville performance marketing agency running email/SMS retention, paid media and creative for DTC and subscription brands.
Compiled from public information. The agency has not claimed this profile. Last verified September 13, 2026.
Tampa, United States
Tampa Creative is an internet marketing agency based on Dale Mabry in Tampa, FL that has worked with clients since 2001 on SEO, PPC, and email marketing.
Compiled from public information. The agency has not claimed this profile.
Phoenix, United States
A Phoenix-rooted full-stack digital marketing agency, established 2014, offering web development, SEO, GEO and AEO, paid media, automation, and branding under one strategy.
Compiled from public information. The agency has not claimed this profile. Last verified September 22, 2026.
Gainesville, United States
Worth Advertising Group specialises in automotive email marketing. It plans and deploys acquisition, retention and service campaigns for dealerships and automotive brands.
Compiled from public information. The agency has not claimed this profile. Last verified October 19, 2026.
Read the full methodology, including evidence-confidence levels and methodology versioning.
We publish pricing ranges only where an agency has disclosed them or a source documents them. Where a minimum project size or hourly range is missing on this page, it means we have not confirmed it — not that the agency is inexpensive or expensive.
Start from the decision you are actually making: the stage of your business, the outcome you need in the next twelve months, and the internal team that will own the work afterwards. Specialty depth matters more than agency size for most buyers.
Ask every shortlisted agency for two references in your sector, the names of the people who will do the work, and one example where the engagement did not go to plan. Compare the answers against the evidence recorded on their profile here.
Contracting norms, currency, tax treatment and time-zone overlap all change the real cost of an engagement. Where a market-specific factor is documented for an agency, it appears on that agency's profile with a source attached.
Every factual claim on an agency profile carries a source URL, a source type, a verification status and a last-verified date. Sources for the agencies above are listed on each profile.