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:
Nashville's marketing market is crowded with generalists, and email is usually the service that gets bolted on last. That is a problem, because email and SMS routinely account for a quarter or more of revenue for a healthy consumer brand — and a badly built Klaviyo or HubSpot account quietly costs more than it earns.
This list covers 20 agencies across Nashville, its metro and the wider state, each checked in August 2026 against three things we could verify: platform partnerships, publicly named clients, and Google ratings. Where an agency does not publish pricing or client names, we say so instead of guessing.
What are the best email marketing agencies in Nashville?
The best email marketing agencies in Nashville are the ones with verifiable platform credentials and named clients. Web Tonic leads for brands that need email joined to paid media and tracking, while ASPEKT, Sweat Pants Agency and Sales Flow Marketing are the closest things Tennessee has to pure retention specialists.
1. Web Tonic
About: Web Tonic is a full-service performance shop that treats email as one channel inside a measured growth system rather than a standalone deliverable. Lifecycle flows, paid search, paid social and analytics implementation sit with the same team, so a Klaviyo or HubSpot program is built against the same attribution model as the ads driving the list. Offices on five continents, including a Nashville office, mean local brands get senior operators without the single-market bench limits.
Key Services: Growth Marketing, SEO, Google Ads, Meta Ads, Marketing Analytics, Analytics Implementation & CDPs
Industries Served: eCommerce, SaaS, B2B, Health Spa & Wellness, Retail
Notable Clients: WorldRemit, Jack & Jones, Ardene, L'Oréal, Sendwave, Nestlé, Airbnb. Serve Fortune 500 companies and smaller fast-paced startups.
Locations: HQ in San Francisco 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. Sweat Pants Agency
About: Sweat Pants Agency is a Franklin-based retention shop built specifically for direct-to-consumer and subscription brands in the $3M to $100M+ range. The team states it has sent over 4.3 billion emails and 147 million SMS messages, and it is a listed Klaviyo service partner working across email, SMS and mobile messaging. It sells month-to-month with no setup fees.
Key Services: Klaviyo lifecycle campaigns, SMS and MMS marketing, Lifecycle and flow strategy, Subscription retention, Performance creative, Paid media
Industries Served: Direct-to-consumer eCommerce, Subscription brands, Consumer products, Healthcare brands, Mobile apps
Notable Clients: Case studies are anonymised by category (DTC pet care, subscription CPG), but the team publicly claims work behind the Inc. #1 fastest-growing consumer product of 2020, the Inc. #1 fastest-growing healthcare company of 2022, and 2.2M app downloads for a Fortune 50 brand.
Locations: Franklin, TN (231 Public Square, Suite 300), Nashville metro, Remote across the United States
Pricing: No public rate card. Month-to-month retainers with no setup fees; positioned for brands doing $3M–$100M+ in revenue.
Great For: Scaling DTC brands, Subscription businesses, Brands where retention is the growth constraint
Website: Sweat Pants Agency
3. Metacake
About: Metacake is an ecommerce growth team in Franklin that treats email as one lever inside Shopify growth rather than a service line of its own. It is a listed Klaviyo service partner and says it has worked with 300+ brands on more than $3 billion in revenue. Work spans store builds, merchandising and lifecycle programs for large and publicly traded companies.
Key Services: Shopify development, Klaviyo lifecycle and SMS, Ecommerce growth strategy, Conversion optimisation, Paid media, Ecommerce mentorship
Industries Served: Consumer products, Apparel, Health and supplements, Music and instruments, Home goods
Notable Clients: Old Spice, Procter & Gamble, Walmart, Nike, Lenox, Dr. Axe, Tony Robbins and Gibson Brands are all named on the team's own site.
Locations: Franklin, TN (202 5th Ave S), Nashville metro, Remote across the United States
Pricing: No public rate card. Client intake is deliberately limited; the mentorship tier targets owners doing $30K–$1M per month.
Great For: Established consumer brands, Shopify Plus merchants, Publicly traded companies selling direct
Website: Metacake
4. ASPEKT
About: ASPEKT is a Nashville agency that does lifecycle and SMS and nothing else, which is rare in this market. Published case studies are concrete: $54K in added revenue for a CPG brand and $16K per month in program revenue for a supplement brand starting from scratch. The work is design-led, with campaign and flow production handled in-house.
Key Services: Klaviyo lifecycle campaigns, SMS and MMS programs, Template and creative design, Flow and automation build-out, Campaign calendars, List growth and segmentation
Industries Served: eCommerce, CPG and food, Supplements, Fitness, Apparel
Notable Clients: Montserrat New York, Retainers Direct and Nicole Wilkins Fitness appear in the team's published lifecycle work; other case studies are anonymised by category.
Locations: Nashville, TN, Middle Tennessee, Remote across the United States
Pricing: No public rate card; quoted per scope. Retainer-based, lifecycle and SMS only.
Great For: Ecommerce brands with no in-house in-house channel team, Supplement and CPG brands, Brands rebuilding flows from zero
Website: ASPEKT
5. Sales Flow Marketing
About: Sales Flow Marketing is a Chattanooga retention agency founded roughly seven years ago by Ryan Carroll, built on the argument that brands over-invest in Google and Meta and under-invest in the customers they already have. It works across Klaviyo, Attentive and Yotpo and publishes flow-level results rather than vanity metrics.
Key Services: Klaviyo lifecycle campaigns, SMS via Attentive, Retention strategy, Welcome and cart flows, Loyalty programs, Deliverability management
Industries Served: eCommerce, Supplements and wellness, Food and beverage, Pet, Apparel
Notable Clients: BenedLife is named in published testimonials; other case studies are published as results without brand names (a $75K product launch, a welcome-flow rebuild that lifted revenue per recipient 38%).
Locations: Chattanooga, TN, Nashville and Middle Tennessee (remote), Remote across the United States
Pricing: No public rate card; quoted per scope after a free call.
Great For: Smaller ecommerce teams, Brands leaning too hard on paid ads, First-time retention programs
Website: Sales Flow Marketing
6. 5by5 Agency
About: 5by5 is a Brentwood agency and listed HubSpot Solutions Partner whose lifecycle work sits inside CRM and lifecycle programs rather than ecommerce flows. It also guides clients on ActiveCampaign, Mailchimp, Slate and Virtuous when HubSpot is not the right fit, which matters for nonprofits and healthcare groups with existing stacks.
Key Services: HubSpot CRM implementation, Lifecycle nurture programs, Account-based marketing, Brand and creative, Website build, Sales enablement
Industries Served: Healthcare, Nonprofits, Higher education, Professional services, Associations
Notable Clients: The Tennessee Department of Health is named in its published case studies, alongside work for a major international nonprofit brand; the full roster is on its Work page.
Locations: Brentwood, TN (5210 Maryland Way, Suite 200), Nashville metro, Remote across the United States
Pricing: No public rate card; project and retainer scopes quoted after discovery.
Great For: Healthcare marketing teams, Nonprofits and mission-driven organisations, HubSpot-first B2B teams
Website: 5by5 Agency
7. Element 47
About: Element 47 is a Nashville branding agency whose marketing arm includes email for clients it already brands and builds sites for. It holds a 5.0 Google rating across 16 reviews and publishes a named client list, which is unusual at this size. Email here is one channel in a brand-led program, not a standalone retention service.
Key Services: Brand strategy and identity, Website build and development, Lifecycle campaigns, Paid media, Content and campaigns, Growth planning
Industries Served: Hospitality, Attractions and tourism, Higher education, Commercial interiors, Healthcare and hospice
Notable Clients: Chartwell Hospitality, Cumberland Caverns, Florida College, West Business Interiors and Alive Hospice are all named on its portfolio.
Locations: Nashville, TN (3511 Gallatin Pike, Suite 47), Middle Tennessee, Remote across the United States
Pricing: No public rate card; consults scoped per project.
Great For: Businesses rebranding and rebuilding at once, Nonprofits and startups, Hospitality and attraction brands
Website: Element 47
8. Social Link
About: Social Link is a full-service Nashville agency with the deepest review base of the local generalists at 4.8 across 35 Google reviews. Lifecycle campaigns sits alongside web development, social, SEO and an in-house video and photography studio, so campaign creative and sends come from one vendor.
Key Services: Lifecycle campaigns, Website build and development, Social media programs, SEO and AEO, Paid advertising, Video and photography
Industries Served: Hospitality, Retail and eCommerce, Professional services, Entertainment, Local services
Notable Clients: Client work is published as portfolio case studies rather than a named logo wall; ask for the roster relevant to your category.
Locations: Nashville, TN (1200 Clinton St), Middle Tennessee, Remote across the United States
Pricing: No public rate card; scoped per engagement.
Great For: Brands that want one vendor, Businesses needing content plus email, Local and regional companies
Website: Social Link
9. Sert Media
About: Sert Media is a Nashville agency whose lifecycle work is framed as marketing automation, with HubSpot recommended for all-in-one SMBs and Marketo for enterprise B2B. It says it has worked with over 200 brands across 30 industries and publishes packaged growth tiers rather than pure hourly work.
Key Services: Automation platforms, Lifecycle campaigns, Content planning, Social media programs, Paid media, Brand identity
Industries Served: eCommerce, B2B services, Healthcare, Home services, Hospitality
Notable Clients: Not publicly named; the team reports 200+ brands across 30 industries and publishes results by category rather than by client.
Locations: Nashville, TN, Middle Tennessee, Remote across the United States
Pricing: Packaged growth tiers, with figures quoted on enquiry rather than published.
Great For: SMBs adopting HubSpot, Enterprise B2B teams on Marketo, Brands wanting one integrated plan
Website: Sert Media
10. Snapshot Interactive
About: Snapshot Interactive is a Nashville agency with a genuine vertical specialism in behavioural health, industrial and professional services, and a HubSpot practice to match. It holds a 5.0 rating across 29 Google reviews. For regulated categories where campaign copy has compliance exposure, that vertical depth matters more than channel breadth.
Key Services: HubSpot CRM and inbound, Lifecycle nurture programs, Website build, SEO and content, Paid media, Growth planning
Industries Served: Behavioral health and addiction treatment, Industrial and manufacturing, Professional services, Healthcare, Education
Notable Clients: Client names are largely withheld given the behavioural health work; published material is organised by vertical rather than by brand.
Locations: Nashville, TN (1530 Riverside Dr), Middle Tennessee, Remote across the United States
Pricing: No public rate card; the team argues openly against buying on lowest retainer.
Great For: Behavioral health providers, Industrial manufacturers, Regulated professional services
Website: Snapshot Interactive
11. Baker Marketing Laboratory
About: Baker Labs is a Knoxville agency built almost entirely around healthcare and healthtech, from private practices to health systems and medical device manufacturers. It is both a HubSpot Partner and a certified Mailchimp Expert, which is a rare combination in Tennessee and useful for practices sitting on legacy Mailchimp lists.
Key Services: HubSpot inbound marketing, Mailchimp lifecycle programs, PPC and paid social, Website build and development, Growth planning, Content and SEO
Industries Served: Private medical practices, Health systems, Medical devices, Healthtech, Senior care
Notable Clients: Case studies are published by practice type (a vein centre's new-patient revenue on $3,000 of ad spend, for example) rather than by named brand.
Locations: Knoxville, TN (211 W Fifth Ave), Serving Nashville and East Tennessee, Remote across the United States
Pricing: No public rate card; engagements start with a scoping call.
Great For: Private practices, Health systems, Medical device and healthtech companies
Website: Baker Marketing Laboratory
12. Whiteboard
About: Whiteboard is a Chattanooga studio listed in Mailchimp's own expert directory, working with Fortune 500s, startups, global institutions and nonprofits. It reports 600+ clients served and work contributing to over $1 billion in pledged funds. Email sits inside its Digital Activation studio, alongside branding and platform work.
Key Services: Digital branding, Digital platforms and web, Campaign activation, Mailchimp implementation, Fundraising campaigns, Content and design
Industries Served: Nonprofits and foundations, Health and medicine, Education, Faith-based organisations, Consumer brands
Notable Clients: ABM, Praxis and Spark are named through published client testimonials; the wider roster spans Fortune 500s and global institutions.
Locations: Chattanooga, TN (1433 Williams St), Serving Nashville and the Southeast, Remote across the United States
Pricing: No public rate card; project-based scoping.
Great For: Nonprofits running fundraising email, Institutions needing brand plus platform, Mailchimp-based organisations
Website: Whiteboard
13. JBowman Creative
About: JBowman Creative is a Nashville full-service creative agency with the strongest review base in this list at 5.0 across 94 Google reviews. Its lifecycle work is framed around automated customer journeys — welcome sequences and abandoned-cart flows — built on top of the brand and content work the studio already produces.
Key Services: Lifecycle automation, Website build, Brand and creative content, Social media, Video production, Growth planning
Industries Served: Nonprofits, Faith-based organisations, Retail and eCommerce, Professional services, Hospitality
Notable Clients: Published as a testimonials and client-logo section rather than a named list; team case studies include fundraising work that helped raise over $8M in annual funding for one organisation.
Locations: Nashville, TN (700 Church St), Middle Tennessee, Remote across the United States
Pricing: No public rate card; quoted per project.
Great For: Nonprofits and mission-driven brands, Businesses needing creative plus email, Local brands with no in-house team
Website: JBowman Creative
14. GoEpps
About: GoEpps is a Nashville-headquartered agency serving clients across the United States, with a 5.0 rating across 29 Google reviews. Its centre of gravity is search — SEO, paid search, and now answer-engine optimisation — with email and marketing coaching wrapped around it for brands that need the whole funnel handled.
Key Services: SEO and generative engine optimisation, Search engine advertising, YouTube video advertising, Lifecycle campaigns, Social media content, Website build and development
Industries Served: eCommerce, Local services, B2B services, Healthcare, Retail
Notable Clients: Not publicly named; the team reports clients across the U.S. and publishes services rather than a logo wall.
Locations: Nashville, TN (901 Woodland St), Middle Tennessee, Remote across the United States
Pricing: No public rate card; virtual marketing coaching and managed services quoted per scope.
Great For: Brands that need search and email together, Companies testing AI search visibility, Growing SMBs
Website: GoEpps
15. FoxFuel Creative
About: FoxFuel is an independent Nashville creative agency — rebrands, campaigns and websites — that handles email as part of campaign execution rather than as a retention practice. It is a member of EO Nashville, Partnership 2030 and the Nashville Area Chamber of Commerce, which tells you where its network sits.
Key Services: Brand strategy and rebrands, Campaign creative, Website build and development, Campaign design, Content and copywriting, Creative direction
Industries Served: Food and beverage, Chambers and associations, Professional services, Consumer brands, Local business
Notable Clients: Nashville Area Chamber of Commerce and Fiesta Grande Chip Co. are named in its published work.
Locations: Nashville, TN (2716 Westwood Dr), Middle Tennessee, Remote across the United States
Pricing: No public rate card; project-based.
Great For: Brands needing a sharper voice, Campaign-led launches, Local companies rebranding
Website: FoxFuel Creative
16. Wander Creative
About: Wander Creative works out of Hendersonville, just north of Nashville, with 13+ years across entertainment, hospitality and medical brands. Its published mix is social media management, content creation and strategic marketing, with email and messaging included — a fit for artists, labels and hospitality groups rather than ecommerce retention.
Key Services: Social media programs, Content creation, SMS and messaging, Growth strategy, Advertising, Photography and video
Industries Served: Entertainment, artists and labels, Hospitality, Medical and cosmetic, Small business, Podcasting
Notable Clients: Not publicly named; the studio reports partnering with hundreds of businesses, musicians and entrepreneurs.
Locations: Hendersonville, TN (295 Tanglewood Ln), Nashville metro, Remote across the United States
Pricing: No public rate card; quoted per scope.
Great For: Artists, labels and entertainment brands, Hospitality groups, Founder-led small businesses
Website: Wander Creative
17. ABH Connect
About: ABH Connect is a Franklin marketing consultancy for small businesses across Middle Tennessee, with a 5.0 rating across 8 Google reviews. Lifecycle campaigns here means campaigns and newsletters that keep a local list warm, delivered alongside website, SEO and ongoing marketing management, explicitly without large retainers.
Key Services: Newsletters and broadcast campaigns, Growth planning, SEO, Website build, Social media, Content and branding
Industries Served: Local service businesses, Professional services, Regional brands, Retail, Construction and trades
Notable Clients: Elrod-Laskey Group is named in its published client reviews; the rest of the roster is local Middle Tennessee businesses.
Locations: Franklin, TN, Middle Tennessee, Remote across the United States
Pricing: No published rates, but the team positions explicitly against bloated retainers — expect small-business scopes.
Great For: Small local businesses, Owners with no marketing hire, Companies needing one consultant
Website: ABH Connect
18. Canvas Branding
About: Canvas Branding is a full-service agency in Franklin started in 2018 by David and Lauren Hamby. The team is StoryBrand Certified and specialises in lifestyle ecommerce on Webflow and Shopify, so lifecycle work tends to follow a messaging rebuild rather than lead it.
Key Services: Brand messaging and StoryBrand, Webflow and Shopify design, Lifecycle systems, UX and web design, Content planning, Growth systems
Industries Served: Lifestyle eCommerce, Retail, Professional services, Hospitality, Nonprofits
Notable Clients: Published as recent projects rather than a named client list; ask for category-relevant references.
Locations: Franklin, TN, Nashville metro, Remote across the United States
Pricing: No public rate card; scoped per project after a discovery call.
Great For: Brands whose messaging is unclear, Lifestyle ecommerce stores, Companies rebuilding on Webflow or Shopify
Website: Canvas Branding
19. Chloe Leonard Studio
About: CL Studio is a Nashville branding and web design studio, rated 5.0 across 16 Google reviews, that sells lifecycle marketing design as a distinct service. It partners with med spas, beauty and skincare brands, fitness and wellness businesses and ecommerce brands — the right pick when the problem is that the newsletter looks amateur, not that the flows are broken.
Key Services: Campaign and newsletter design, Newsletter strategy, Brand identity, Website build, Shopify design, Brand and website audits
Industries Served: Med spas, Beauty and skincare, Fitness and wellness, Service-based businesses, eCommerce
Notable Clients: Client work is published as a portfolio of founder-led brands rather than a named list.
Locations: Nashville, TN, Middle Tennessee, Remote nationwide
Pricing: Packages published on request; a fixed-scope brand and website audit is delivered in five business days.
Great For: Founder-led service businesses, Med spas and wellness brands, Brands whose emails look off-brand
Website: Chloe Leonard Studio
20. Kaptiv8
About: Kaptiv8 is a branding and shop listed in Mailchimp's expert directory, based in Athens, Georgia with an office in Chattanooga, Tennessee. It holds a 5.0 Google rating on a small review base and works with organisations across the region on brand clarity, audience and growth — including Mailchimp-based lifecycle programs.
Key Services: Mailchimp lifecycle programs, Brand strategy, Website build, Content production, Social media, Growth consulting
Industries Served: Nonprofits, Education, Professional services, Local business, Healthcare
Notable Clients: Not publicly named; the team describes work with ambitious organisations across the Georgia and Tennessee region.
Locations: Chattanooga, TN (110 Somerville Ave, Suite 239), Athens, GA (HQ), Remote across the Southeast
Pricing: No public rate card; scoped per engagement.
Great For: Regional nonprofits, Mailchimp-based organisations, Brands needing positioning first
Website: Kaptiv8
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 |
| 2. Sweat Pants Agency | Klaviyo lifecycle + SMS for DTC | Custom quote | $3M–$100M+ DTC brands |
| 3. Metacake | Klaviyo inside full ecommerce growth | Custom quote | Established consumer brands |
| 4. ASPEKT | Lifecycle and SMS only, nothing else, design-led | Custom quote | Ecommerce brands needing a specialist |
| 5. Sales Flow Marketing | Retention across Klaviyo, Attentive, Yotpo | Custom quote | SMB ecommerce brands |
| 6. 5by5 Agency | HubSpot CRM and lifecycle nurture | Custom quote | Healthcare and nonprofits |
| 7. Element 47 | Brand-led marketing with lifecycle attached | Custom quote | Brand-first businesses |
| 8. Social Link | One-vendor marketing with in-house studio | Custom quote | Brands consolidating vendors |
| 9. Sert Media | Automation platforms (HubSpot, Marketo) | Custom quote | Automation-led SMB and B2B |
| 10. Snapshot Interactive | Vertical HubSpot marketing | Custom quote | Regulated and industrial sectors |
| 11. Baker Marketing Laboratory | Healthcare inbound and lifecycle | Custom quote | Healthcare organisations |
| 12. Whiteboard | Brand, platform and campaign activation | Custom quote | Nonprofits and institutions |
| 13. JBowman Creative | Creative-led lifecycle automation | Custom quote | Nonprofits and local brands |
| 14. GoEpps | Search-led growth with lifecycle support | Custom quote | SMBs prioritising search |
| 15. FoxFuel Creative | Campaign creative and rebrands | Custom quote | Brand and campaign work |
| 16. Wander Creative | Content-led marketing for entertainment | Custom quote | Entertainment and hospitality |
| 17. ABH Connect | Small-business marketing consulting | Custom quote | Local small businesses |
| 18. Canvas Branding | StoryBrand messaging and ecommerce design | Custom quote | Brands needing clearer messaging |
| 19. Chloe Leonard Studio | Campaign and brand design for founders | Custom quote | Founder-led service brands |
| 20. Kaptiv8 | Mailchimp programs and brand work | Custom quote | Regional nonprofits and SMBs |
Frequently Asked Questions
How do I choose an lifecycle shop in Nashville?
Start with the platform, not the pitch. Ask which Klaviyo, HubSpot or Mailchimp partner tier the team actually holds, then ask to see two flows they built and the revenue those flows produced. Confirm who writes the copy and who builds the automation, because on small teams that is often one overloaded person. Finally, check whether reporting ties program revenue back to total revenue, or only reports opens and clicks.
How much does lifecycle marketing cost in Nashville?
Very few Nashville agencies publish rates, which is why this list shows custom quotes rather than invented numbers. In practice, a managed Klaviyo or HubSpot program in this market usually starts in the low four figures per month for a small list and rises with send volume, SMS, and how much design work each campaign needs. Full-service performance partners such as Web Tonic start at USD $3,000 per month because paid media, analytics and lifecycle sit together.
Should I hire an email specialist or a full-service agency?
Hire a specialist when the flows are the whole problem: your list is decent, the ads work, and nothing is automated. ASPEKT and Sales Flow Marketing exist for exactly that. Hire a full-service partner when the channel underperforms because the traffic, offer or tracking is broken upstream, which is more common than most brands expect. Splitting email from paid media across two vendors also splits accountability for the same revenue number.
How long before lifecycle marketing shows results?
A properly built welcome and abandoned-cart sequence usually produces measurable revenue within the first month, because it captures demand that already exists. Campaign strategy, segmentation and list growth compound more slowly, typically over one to two quarters. Deliverability repair takes longest: if a domain has been sending to a stale list, expect six to twelve weeks of warming and list hygiene before open rates stabilise.
Should I use a local Nashville agency or a national one?
Local helps when your marketing depends on local context — events, venues, hospitality partnerships, regional media. It matters much less for ecommerce email, where the work is remote-first and the platform is the same everywhere. What actually matters is bench depth: a two-person Nashville studio can produce beautiful newsletters but stall on migrations, deliverability crises and enterprise CRM work.
Choosing a Digital Marketing Agency in Nashville
The strongest signal in this market is not the pitch deck, it is what an agency will show you unprompted. Before anything else, understand your business's specific needs: a brand with 200,000 subscribers and no flows has a different problem than one with a clean Klaviyo account and no traffic.
Then evaluate the team's experience and reputation with things you can check independently — a listed Klaviyo, HubSpot or Mailchimp partner page, named clients on their own site, and a Google review base that is more than a handful of entries.
Ask directly about their approach to collaboration. Who writes, who builds, who reports, and how often you will see numbers that connect program revenue to total revenue rather than opens and clicks in isolation.
Finally, don't skip the consultation. Most agencies on this list scope work only after a call, and that call is where you find out whether they diagnose or simply sell. Bring your last three months of program revenue and ask what they would change first.
