Best Email Agencies

Top Email Marketing Design Agencies for Custom Templates

It’s important to understand what makes a great template—think responsive design, consistent branding, accessibility, and the ability to personalize content effectively.

hiring a specialized design agency can make all the difference. Here’s our curated list of the 10 best email marketing design agencies in 2025 that deliver stunning, high-converting templates tailored to your brand.

Absolutely! Here’s a comparison table for the 10 email design agencies, with Pricing, ESP Support, and USP as columns:

AgencyPricingESP SupportUSP
ActionRocketStarts at $2,500/projectMailchimp, Salesforce Marketing Cloud, Campaign Monitor, KlaviyoInnovative interactive emails and bulletproof coding
Litmus Creative ServicesCustom quotesAll major platformsExpert QA, accessible design, and integrated A/B testing
CodeCrewMonthly retainer from $3,000 or one-off projectsKlaviyo, Mailchimp, HubSpot, ActiveCampaignBoutique service with mobile-first, automation-ready templates
BEE Design ServicesFrom $1,200/template20+ ESPs via integrationDrag-and-drop editable templates popular among marketers and DIY users
ActionMailer$500–$2,000/templateMailchimp, Campaign Monitor, SendGrid, BrazeQuick turnaround and pixel-perfect responsive design
InboxArmyFrom $1,000/template or $2,500/monthMarketo, Pardot, Eloqua, all major ESPsEnterprise-level volume and scalability
Mayple$1,500–$5,000/projectKlaviyo, Mailchimp, Drip, OmnisendTalent marketplace with vetted global freelancers and teams
Chamaileon.io StudioCustom pricingMost ESPs (direct integrations + exports)Strong collaboration tools and version control for large teams
1973 LtdFrom $2,000/projectMailchimp, Klaviyo, DotdigitalBold, brand-aligned visuals with strategic input
Email UplersFrom $350/template or $1,500/month50+ ESPs supportedScalable, fast, and cost-effective for large-scale email production

ActionRocket

  • About: UK-based agency specializing in creative email design and coding. Founded in 2011, ActionRocket has served over 150 clients globally and is recognized for pioneering interactive email formats for major brands such as Marks & Spencer, British Airways, and the BBC. agency specializing in creative email design and coding.
  • Pricing: Starts at $2,500/project
  • ESP Support: Mailchimp, Salesforce Marketing Cloud, Campaign Monitor, Klaviyo
  • USP: Known for innovative interactive emails and bulletproof coding across clients like Marks & Spencer and British Airways.

Litmus Creative Services

  • About: The design and strategy wing of the popular email testing platform, Litmus, founded in 2005. With two decades of expertise in email optimization and testing, Litmus Creative Services leverages in-depth data insights and robust design principles to craft high-performing email templates for enterprise clients worldwide.
  • Pricing: Custom quotes
  • ESP Support: Supports all major platforms (due to integration and testing expertise)
  • USP: Expert-level QA, accessible design, and advanced A/B testing baked into template creation.

CodeCrew

  • About: Full-service email marketing agency with strong creative chops.
  • Pricing: Monthly retainer from $3,000 or one-off projects
  • ESP Support: Klaviyo, Mailchimp, HubSpot, ActiveCampaign
  • USP: Boutique service with a strong emphasis on mobile-first design and automation-ready templates.

BEE (beefree.io) Design Services

  • About: Creators of the BEE editor also offer custom design services. Widely used among marketers, freelancers, and DIY teams, BEE has earned a reputation for being one of the most intuitive drag-and-drop email builders in the industry.
  • Pricing: From $1,200/template
  • ESP Support: BEE integrates with over 20 ESPs
  • USP: Drag-and-drop ease meets custom creativity, perfect for teams who want editable designs.

ActionMailer

  • About: US-based design studio focused solely on HTML email.
  • Pricing: $500–$2,000/template depending on complexity
  • ESP Support: Mailchimp, Campaign Monitor, SendGrid, Braze
  • USP: Quick turnaround, clean code, and pixel-perfect responsive layouts.

InboxArmy

  • About: High-volume email production agency with enterprise capabilities.
  • Pricing: Starts at $1,000/template or $2,500/month for full-service
  • ESP Support: All major ESPs including Marketo, Pardot, Eloqua
  • USP: Scales easily, ideal for franchises or brands with frequent campaign needs.

Mayple

  • About: A talent marketplace launched in 2018 that connects businesses with top-performing, vetted email marketing freelancers and small agencies. Mayple uses a data-driven algorithm to match clients with specialists based on industry, project goals, and past performance, providing flexibility and scalability compared to traditional full-service agencies.
  • Pricing: $1,500–$5,000/project
  • ESP Support: Klaviyo, Mailchimp, Drip, Omnisend
  • USP: Flexibility—get access to top global designers for one-off or ongoing work.

Chamaileon.io Studio

  • About: Collaborative email design platform with professional services available.
  • Pricing: Custom pricing for agency services
  • ESP Support: Exports to most ESPs, direct integrations available
  • USP: Strong version control and team collaboration tools for brands with large teams.

1973 Ltd

  • About: UK-based creative agency with a focus on digital marketing and design.
  • Pricing: From $2,000/project
  • ESP Support: Mailchimp, Klaviyo, Dotdigital
  • USP: Bold, brand-aligned visuals with strategic input for each email campaign.

Email Uplers

  • About: Outsourcing powerhouse for email production and HTML development.
  • Pricing: Starts at $350/template or $1,500/month for bulk services
  • ESP Support: Over 50 ESPs supported
  • USP: Scalable, affordable, and quick—ideal for agencies or brands with high email volumes.

Whether you’re looking for pixel-perfect HTML, interactive design, or just an eye-catching template that matches your brand, these 10 agencies are equipped to deliver. Always consider your ESP compatibility, ongoing needs, and level of creative input when choosing the right fit.

Want to get into more for email design and marketing tools? Check out these helpful resources: