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 email marketing agency in New York builds and runs the owned-channel side of a brand: welcome, cart and post-purchase flows, campaign calendars, list growth and segmentation, template design and hand-coded HTML, deliverability and sender reputation, plus the SMS and CRM work that sits beside it. It manages the sending platform for you; it is not the platform.
We reviewed 19 external agencies on evidenced email work, a verifiable address and published pricing. Eighteen sit inside the five boroughs and one works the market from White Plains; nine name a client publicly and only Splash Creative posts a price.
Which New York email marketing agency should a brand shortlist?
Shortlist on evidence. Roswell NYC, Digital Drew SEM and Splash Creative publish named client results, artifact and Flowium carry recognisable beauty and DTC brands, Senders works deliverability alone, and only Splash Creative posts a figure.
1. Web Tonic
About: Web Tonic runs New York email as a revenue channel wired to the rest of the funnel, so flows, segments and campaign calendars are built by the same data intelligence team that owns the tracking behind them. Creative and offers are tested against paid social and land on pages we control, which is why we report cost per acquisition and revenue per recipient rather than open rates. Retail, DTC and services marketers work with us from the New York office.
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: 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. Roswell NYC
About: Roswell NYC is a Webby Award winning Shopify Platinum Partner and Klaviyo Platinum Partner that builds email and SMS retention programs for eCommerce brands. Its published case study for the supplement brand IQBAR shows an 80 percent increase in Klaviyo attributed revenue, and it built a custom coded template system for A&E and The History Channel. The agency is headquartered at 225 Broadway in lower Manhattan.
Key Services: Klaviyo implementation and management, Custom coded HTML email templates, SMS marketing, Lifecycle flow architecture, Segmentation and personalization, Shopify Plus integration
Industries Served: Food and beverage, Media and entertainment, Beauty, Apparel, Consumer packaged goods
Notable Clients: IQBAR, A&E, The History Channel
Locations: New York, USA
Pricing: No public rate card; quoted per scope
Great For: DTC eCommerce brands on Shopify Plus, Brands needing custom coded templates, Mid-market to enterprise retailers
Website: Roswell NYC
3. DIDO Agency
About: DIDO Agency is a done for you Klaviyo email marketing agency for eCommerce brands, listed in Klaviyo's own service partner directory. Its case study for the Manhattan jewelry retailer ItsHot documents moving the brand onto Klaviyo and rebuilding its flow and campaign program. The agency is headquartered in Brooklyn, New York.
Key Services: Klaviyo migration and setup, Email flow design, Campaign copywriting and design, List segmentation, A/B testing, SMS marketing
Industries Served: Jewelry and luxury goods, Fashion, Beauty, Food and beverage, Home goods
Notable Clients: ItsHot, Den's Hot Dogs
Locations: Brooklyn, USA
Pricing: No public rate card; quoted per scope
Great For: Small to mid-size eCommerce brands, Retailers migrating to Klaviyo, Jewelry and luxury DTC brands
Website: DIDO Agency
4. Barrel
About: Barrel is a CPG and consumer brand commerce agency and Klaviyo Gold Master Partner that builds Shopify Plus stores and the Klaviyo email and SMS programs that run alongside them. The agency has operated since 2006 and is headquartered at 6 West 18th Street in Manhattan. It publishes a dedicated New York City market page describing its email marketing services for local and national brands.
Key Services: Klaviyo implementation, Email and SMS flow strategy, Shopify Plus development, List growth and segmentation, Platform migration, Campaign design
Industries Served: Consumer packaged goods, Food and beverage, Beauty, Apparel, Home goods
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: New York, USA
Pricing: No public rate card; quoted per scope
Great For: CPG and consumer brands, Shopify Plus merchants, Brands needing combined web and email build
Website: Barrel
5. Alchemy Worx
About: Alchemy Worx is a full service email and retention marketing agency that has operated since 2001 and is a long-time certified Klaviyo partner, per Klaviyo's own service partner directory. The agency focuses on data analysis and strategy for email and SMS programs and has grown to more than 60 people. It is headquartered on Fifth Avenue in Manhattan.
Key Services: Email strategy and analytics, Klaviyo management, SMS marketing, Campaign design and copy, List segmentation, Testing and reporting
Industries Served: Retail, eCommerce, Publishing and media, Financial services, Consumer goods
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: New York, USA, Atlanta, USA
Pricing: No public rate card; quoted per scope
Great For: Established retailers needing a long-tenured partner, Data-driven email programs, Brands wanting Klaviyo plus SMS
Website: Alchemy Worx
6. Flowium
About: Flowium is a Klaviyo Elite Partner and full service email and lifecycle marketing agency serving eCommerce brands, trusted by more than 1,000 global brands including True Classic and Dr Squatch according to its own site. The agency is headquartered in Staten Island, one of New York City's five boroughs.
Key Services: Klaviyo strategy and management, Email flow design, Campaign creative and copy, List segmentation, SMS marketing, Deliverability management
Industries Served: Apparel, Beauty and personal care, Food and beverage, Home goods, Health and wellness
Notable Clients: True Classic, Dr Squatch
Locations: Staten Island, USA
Pricing: No public rate card; quoted per scope
Great For: Scaling DTC eCommerce brands, Klaviyo-first retention programs, Brands needing full flow rebuilds
Website: Flowium
7. Lilo Social
About: Lilo Social is a full funnel eCommerce growth agency and Klaviyo Master Elite Partner, Klaviyo's highest partnership tier, managing retention and acquisition for more than 70 DTC and subscription brands. The agency is headquartered in Brooklyn, New York, and pairs email and SMS with paid media and creative under one team.
Key Services: Klaviyo email marketing, SMS marketing, Retention strategy, Segmentation and flows, Paid social integration, Creative for lifecycle
Industries Served: DTC eCommerce, Subscription brands, Beauty, Apparel, Food and beverage
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: Brooklyn, USA
Pricing: No public rate card; quoted per scope
Great For: Subscription and DTC brands, Brands wanting retention plus acquisition under one roof, Klaviyo Master Elite level support
Website: Lilo Social
8. Rippl NYC
About: Rippl NYC is a retention marketing agency specializing exclusively in email and SMS marketing for direct-to-consumer brands. The agency is headquartered on Fifth Avenue in Manhattan and builds its entire practice around owned channel revenue rather than offering it as one service among many.
Key Services: Email flow design, SMS marketing, Campaign strategy and copy, List segmentation, Klaviyo management, Reporting and testing
Industries Served: DTC eCommerce, Beauty, Apparel, Food and beverage, Home goods
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: New York, USA
Pricing: No public rate card; quoted per scope
Great For: DTC brands wanting an email and SMS only specialist, Brands consolidating retention spend, Founder-led eCommerce brands
Website: Rippl NYC
9. Swyft
About: Swyft is a Braze implementation specialist that handles platform setup, campaign design, data integration, journey mapping and analytics for brands running on Braze. Most implementation projects are delivered within two to three weeks according to the agency's own site, which lists Braze certifications for its team. The company is headquartered on Madison Avenue in Manhattan.
Key Services: Braze implementation and setup, Campaign design, Journey mapping and orchestration, Data integration, API development, Analytics and reporting
Industries Served: Mobile apps, Media and entertainment, Financial services, Retail, Travel and hospitality
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: New York, USA
Pricing: No public rate card; quoted per scope
Great For: Enterprise brands running Braze, Mobile apps needing lifecycle messaging, Teams needing fast Braze implementation
Website: Swyft
10. Bright Marketing Solutions
About: Bright Marketing Solutions is an email marketing agency for small businesses across New York, New Jersey and the broader United States, running strategy, list growth, design, automation and reporting as its core service. The agency operates from the DUMBO neighborhood of Brooklyn, New York, near the Manhattan Bridge.
Key Services: Email strategy for small business, List growth, Template design, Marketing automation, Campaign management, Reporting
Industries Served: Local retail, Professional services, Home services, Food and beverage, Health and wellness
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: Brooklyn, USA
Pricing: No public rate card; quoted per scope
Great For: Small businesses new to email marketing, Local service businesses, Brands in New York and New Jersey
Website: Bright Marketing Solutions
11. Senders
About: Senders is an email deliverability agency staffed by email engineers who take direct responsibility for a brand's sender reputation and inbox placement rather than selling deliverability software by the seat. The company offers crisis response within two business hours for brands facing sudden deliverability drops, and is headquartered in Brooklyn, New York.
Key Services: Deliverability audits, Sender reputation management, Inbox placement monitoring, List hygiene, Platform migration support, Crisis response
Industries Served: eCommerce, B2B SaaS, Publishing and media, Financial services, Subscription brands
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: Brooklyn, USA
Pricing: No public rate card; quoted per scope
Great For: Brands in a deliverability crisis, High volume senders needing reputation management, Agencies needing a deliverability partner
Website: Senders
12. The Coronation Group
About: The Coronation Group is a lifecycle marketing agency whose site names the fitness brand Quiet Punch and the wellness brand Vitapod as clients, including a case study describing how it kept Quiet Punch profitable after a price increase. The agency positions itself as a smaller, senior-led alternative to large holding company agencies and is headquartered in Brooklyn, New York.
Key Services: Lifecycle marketing strategy, Email marketing, Paid social integration, Conversion strategy, Segmentation, Retention campaigns
Industries Served: Health and fitness, Wellness, Consumer products, DTC eCommerce, Subscription brands
Notable Clients: Quiet Punch, Vitapod
Locations: Brooklyn, USA
Pricing: No public rate card; quoted per scope
Great For: Fitness and wellness brands, Founders leaving large holding agencies, Brands needing lifecycle plus paid social
Website: The Coronation Group
13. EverKeep
About: EverKeep is a retention marketing agency whose site publishes client testimonials crediting the team with lifts in engagement and email-driven revenue, including a review from the founder of a named consumer brand. The agency is headquartered on Broadway in Manhattan and runs a client community hub alongside its managed services.
Key Services: Retention strategy, Email flow design, Campaign management, Segmentation, Analytics dashboard reporting, SMS marketing
Industries Served: DTC eCommerce, Beauty, Food and beverage, Health and wellness, Apparel
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: New York, USA
Pricing: No public rate card; quoted per scope
Great For: DTC brands wanting a retention-only partner, Brands wanting proprietary analytics dashboards, Founder-led eCommerce brands
Website: EverKeep
14. Miki Agency
About: Miki Agency is a digital marketing studio built around email and SMS marketing for direct-to-consumer brands, alongside paid social creative and shoot production. A client testimonial on its own site credits the team with improving open rates by nearly 50 percent through design-forward email work. The agency is based in Brooklyn, New York.
Key Services: Email and SMS marketing, Email template design, Paid social creative, Shoot production, Segmentation, Campaign strategy
Industries Served: DTC eCommerce, Beauty, Apparel, Food and beverage, Lifestyle brands
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: Brooklyn, USA
Pricing: No public rate card; quoted per scope
Great For: Design-forward DTC brands, Brands wanting email plus creative production, Early-stage consumer brands
Website: Miki Agency
15. Cogney
About: Cogney is a digital marketing agency, founded by search specialist Doug Pierce and known for a multi-year Airbnb engagement, that runs email marketing as a named, detailed service line covering Klaviyo setup, backend syncing, list segmentation and monthly newsletter management. The agency is headquartered at 60 Broad Street in lower Manhattan.
Key Services: Klaviyo setup and management, Automated flow design, Newsletter production, List segmentation and cleaning, A/B testing, Deliverability management
Industries Served: Travel and hospitality, Consumer marketplaces, Technology, Retail, Professional services
Notable Clients: Airbnb, Lumosity, HelloToby
Locations: New York, USA, Singapore, Hong Kong, China
Pricing: No public rate card; quoted per scope
Great For: Brands wanting email under one full-service SEO and paid team, Marketplaces and tech platforms, Recommends Klaviyo for eCommerce clients
Website: Cogney
16. RIOT
About: RIOT is a creative agency and production studio based in Hudson Yards that runs a dedicated Campaign and Lifecycle Emails service line inside its social and marketing division. The studio pairs its in-house production capability, used for music videos and branded content, with the email work it builds for the same client roster. RIOT is headquartered in Manhattan.
Key Services: Campaign email design, Lifecycle email strategy, Email copywriting, Segmentation, Creative production for email, Social and marketing integration
Industries Served: Music and entertainment, Fashion, Consumer brands, Hospitality, Lifestyle
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: New York, USA
Pricing: No public rate card; quoted per scope
Great For: Entertainment and lifestyle brands, Brands wanting email tied to broader creative production, Culture-forward consumer brands
Website: RIOT
17. Digital Drew SEM
About: Digital Drew SEM is a Manhattan digital marketing agency that publishes named, dollar-figure email marketing case studies, including a 58 percent increase in email attributed revenue for the client Door Destination and a 74 percent increase for Make It Cute Kids. The agency runs email on Klaviyo, Mailchimp and HubSpot depending on the client's stack and is headquartered on East 75th Street.
Key Services: Klaviyo and Mailchimp management, Email automation, Audience segmentation, Template design, Performance tracking, HubSpot email marketing
Industries Served: Retail, Children's products, Travel, Local services, eCommerce
Notable Clients: Door Destination, Make It Cute Kids
Locations: New York, USA
Pricing: No public rate card; quoted per scope
Great For: Small to mid-size retailers, Brands wanting platform-agnostic email support, Local and regional eCommerce
Website: Digital Drew SEM
18. artifact
About: artifact is a New York design and development studio whose CRM and email work is named for beauty brands including Creme de la Mer, Jo Malone London, Prescriptives and Stila. Founder Daniel Handal's background includes developing digital assets across web, email and CRM channels for beauty clients, and the studio is registered as a New York company.
Key Services: CRM email design and development, Email template coding, Campaign design, Brand digital asset development, Web design, Copywriting for email
Industries Served: Beauty and cosmetics, Fragrance, Skincare, Luxury retail, Consumer goods
Notable Clients: Creme de la Mer, Jo Malone London, Prescriptives, Stila, Goodskin Labs
Locations: New York, USA
Pricing: No public rate card; quoted per scope
Great For: Beauty and fragrance brands, Brands needing coded CRM email templates, Legacy beauty houses
Website: artifact
19. EmailCoders
About: EmailCoders is a hand coded HTML email specialist that builds responsive email templates without offshore developers, according to its own site. The company grew out of the founders' earlier web production shop, Soho Interactive, in New York, and its office is in White Plains, New York, about half an hour from Manhattan, serving New York City area clients.
Key Services: Hand coded HTML email templates, Responsive email design, Email QA and testing, Template conversion from design files, Dark mode email coding, Accessibility fixes for email
Industries Served: Retail, Publishing, Nonprofits, Financial services, Technology
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: White Plains, USA
Pricing: No public rate card; quoted per scope
Great For: Agencies needing white-label email coding, Brands with complex responsive templates, Teams wanting hand-coded over templated builds
Website: EmailCoders
20. Splash Creative
About: Splash Creative is a design-led branding and web studio whose case study for the New York intimates brand Huug describes building Klaviyo email flows to retain and recover customers alongside a full Shopify rebuild. Founder David Herskowitz leads the studio, which has been based in New York City since 2010 and lists ecommerce email marketing among its named specialties.
Key Services: Klaviyo email flow design, Shopify integration for email, Branding and identity, Web design, Copywriting, Email template design
Industries Served: Fashion and apparel, Beauty, Startups, Founder-led eCommerce, Consumer products
Notable Clients: Huug
Locations: New York, USA
Pricing: From USD $7,500/project (Sprint) to $25,000+ (Implementation)
Great For: Funded startups needing brand plus email, Founder-led eCommerce brands, Growth-stage Shopify merchants
Website: Splash Creative
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. Roswell NYC | Klaviyo and Shopify Plus retention | Quote-based | Shopify Plus eCommerce retention |
| 3. DIDO Agency | Klaviyo migrations for eCommerce | Quote-based | eCommerce Klaviyo migrations |
| 4. Barrel | CPG Shopify Plus and Klaviyo | Quote-based | CPG Shopify Plus commerce and email |
| 5. Alchemy Worx | Data-led email and retention | Quote-based | Established retail email programs |
| 6. Flowium | Klaviyo Elite retention marketing | Quote-based | DTC eCommerce Klaviyo programs |
| 7. Lilo Social | Klaviyo Master Elite retention | Quote-based | DTC subscription brand retention |
| 8. Rippl NYC | Email and SMS only retention | Quote-based | Email and SMS exclusive retention |
| 9. Swyft | Braze implementation and journeys | Quote-based | Braze implementation for enterprise |
| 10. Bright Marketing Solutions | Small business email marketing | Quote-based | Small business email programs |
| 11. Senders | Email deliverability engineering | Quote-based | Email deliverability and inbox placement |
| 12. The Coronation Group | Lifecycle marketing for wellness brands | Quote-based | Wellness and fitness lifecycle marketing |
| 13. EverKeep | Retention marketing and analytics | Quote-based | eCommerce retention with analytics |
| 14. Miki Agency | Design-forward email and SMS | Quote-based | Design-led DTC email and SMS |
| 15. Cogney | Full-service digital with Klaviyo email | Quote-based | Full-service digital plus email |
| 16. RIOT | Creative-led lifecycle email | Quote-based | Creative-driven lifecycle email |
| 17. Digital Drew SEM | Multi-platform email marketing | Quote-based | Platform-agnostic eCommerce email |
| 18. artifact | Beauty brand CRM email design | Quote-based | Beauty brand CRM and email design |
| 19. EmailCoders | Hand-coded responsive HTML email | Quote-based | Hand-coded HTML email development |
| 20. Splash Creative | Branding-led Klaviyo email design | USD $7,500/project | Branding-integrated Klaviyo email |
Frequently Asked Questions
What does an email marketing agency cost in New York?
Only one agency on this page publishes numbers: Splash Creative quotes 7,500 dollars for a project sprint and 25,000 dollars or more for a full implementation. Everyone else prices per scope, which is normal for retention work because the effort scales with catalogue size, send volume and how much of the flow library already exists. The useful benchmark is budget share rather than a rate card: businesses typically put 10 to 15 percent of total marketing budget into owned channels like email.
Is email still worth the investment against paid channels?
The economics remain unusually good, which is why almost every agency here sells retention rather than acquisition. Recent surveys put email return between 36 and 42 dollars for every dollar spent, and across a Klaviyo cohort of more than 183,000 customers email accounted for roughly 27 percent of total ecommerce store revenue. Those are averages, not promises, so ask any agency to show revenue per recipient on an account close to your own size.
Which agencies actually name their clients?
Nine of the 19 do. Roswell NYC publishes an IQBAR case study and names A&E and The History Channel, artifact names Crème de la Mer, Jo Malone London, Prescriptives and Stila, Flowium names True Classic and Dr Squatch, Digital Drew SEM publishes percentage lifts for Door Destination and Make It Cute Kids, and The Coronation Group names Quiet Punch and Vitapod. The other ten anonymise their work, so request two contactable references instead.
Do we need a specialist or a full-service agency?
Decide by where the programme is failing. Rippl NYC, Flowium, Alchemy Worx and EverKeep do nothing but retention, Senders handles deliverability and inbox placement alone, EmailCoders hand-codes templates, and Swyft implements Braze specifically. Full-service shops such as Barrel, Lilo Social and Ecom-style commerce agencies make more sense when the store, the creative and the email programme all need rebuilding at the same time.
Does a New York address actually matter for email work?
Less than for production or events, but it is not irrelevant. Eighteen of the 19 external agencies here sit inside the five boroughs and one operates from White Plains, roughly half an hour north of Manhattan. Proximity mainly buys in-person strategy sessions and easier access to the city's advertising labour pool of roughly 310,000 workers. The daily work of segmentation, design and deliverability is done remotely by every agency on this list.
Choosing a New York Email Marketing Agency
Name the problem first. Deliverability, flow coverage, template production and platform migration are four different jobs, and this roster splits along exactly those lines. Saying which one is broken cuts nineteen candidates to about four before the first call.
Ask for revenue per recipient. Open rates flatter everyone. Nine of the 19 agencies here name a client publicly; the rest anonymise, so ask those ten for two references on accounts near your send volume and catalogue size.
Expect quote-based pricing. Splash Creative is the only firm posting figures, from 7,500 dollars a sprint. Treat the 10 to 15 percent of marketing budget typically allocated to owned channels as your sanity check, then compare what each retainer actually includes.
Wire email to the rest of the funnel. Flows fail when nobody owns the data behind them. If you want the measurement, the growth programme and the email running under one accountable team, read our latest analysis or get in touch.
