KlientBoost is a full-service email marketing agency with over 10 years of experience. It offers support for cold outbound, nurture sequence, abandoned cart, newsletter, transactional, and promo emails, to name a few. The email marketing offering extends to copywriting, prospecting, personalization, segmentation, and A/B testing. KlientBoost also monitors deliverability, spam signals, and domain health to maintain strong inbox placement and ensure campaigns reach their intended audience. 

Effeect is an email marketing agency that uses a proprietary TLC (targeting, language, and cadence) email framework to drive engagement and open rates. The team offers three service packages that cover strategy, automation, deliverability, and content generation. Featured services include account setup, custom template design, delivery scheduling, content development, ongoing optimization, expert recommendations, and detailed reporting. Custom solutions are available for clients with specific needs beyond standard packages. 

• CHALLENGE: Perfumious faced a sharp decline in sales and struggled to maintain visibility across its niche. The brand also experienced low engagement across its social media platforms, signaling weak audience connection and a lack of effective digital presence. 
• SOLUTION: Effeect implemented a two-pronged strategy focused on email marketing and social media revamp. The process began by conducting in-depth market research, segmenting audiences, and building a database of past and potential customers. The team tailored an email marketing strategy that included custom-designed newsletters and targeted offers to re-engage past buyers and attract new ones. Simultaneously, it overhauled the company’s social media presence by redesigning content, introducing tailored posting schedules, and launching interest-based campaigns to elevate engagement and brand appeal. 
• RESULTS: The strategy drove a 200% increase in sales and a considerable rise in qualified leads. Perfumious also recorded higher post engagement and stronger brand visibility across digital channels. 

Addlium specializes in B2B email marketing, cold outreach, and lead generation to help businesses connect with decision-makers and drive growth. It combines digital marketing tactics, content creation, and strategic consulting to curate campaigns that are both targeted and effective. By integrating email with a social selling approach on LinkedIn, it aims to strengthen brand visibility, generate qualified leads, and support business development. 

Incrementors is a digital marketing agency founded in 2012 with 100+ team members specializing in SEO, PPC, email automation, and web development. It was named Best SEO Consulting Agency by DesignRush (2021) and recognized as a Most Innovative Company by Industry Era (2022). It has served over 10,000 clients, including Canva and Benzinga. Its team focuses on tailored strategies to help small and mid-sized businesses drive leads and dominate their niche.

Digital Darts is a Shopify-oriented marketing agency specializing in automated, high-converting email and SMS campaigns for eCommerce brands. Its approach emphasizes strategic flows such as cart abandonment, win-back campaigns, and customer nurturing, intended to maximize customer lifetime value and minimize ad dependency. By handling everything from template design to campaign optimization and Klaviyo audits, the agency positions email as a core driver of scalable, repeatable revenue. 

• CHALLENGE: An established Australian fashion label sought to drive more traffic and increase sales across its eCommerce store while reducing the internal workload required to manage its digital marketing. The brand requested assistance in handling its email marketing efforts more effectively. 
• SOLUTION: Digital Darts took full ownership of the brand’s email marketing strategy, designing and implementing automated flows and ongoing campaigns. By focusing on high-impact email sequences, the agency created a system that required no additional content creation from the client, allowing the client’s team to focus on other priorities. 
• RESULTS: The automated email flows generated over $10,000 in monthly sales, with additional campaigns encouraging customer return and driving repeat purchases. 

Flowium is a specialized email and SMS marketing agency that caters primarily to eCommerce brands. As an Elite Klaviyo partner, the agency provides full account setup, campaign management, advanced automation, and ongoing optimization through A/B and split testing. The team handles campaign calendar creation, custom template design, on-brand copywriting, segmentation strategies, and detailed performance reporting. Clients also receive weekly strategy calls and monthly analytics to ensure continuous alignment and optimal performance. 

• CHALLENGE: A health and wellness supplement brand approached Flowium after leaving another agency due to poor email marketing results. Its email list was disengaged, and the team lacked a clear understanding of who their core customer was. The brand urgently needed to overhaul its email strategy to connect with the right audience. 
• SOLUTION: Flowium began by auditing and optimizing the brand’s Klaviyo account, then worked to identify its ideal customer. It implemented a tailored “From Our Family to Yours” strategy and used advanced email tools to refine audience targeting. The team also launched a re-engagement campaign intended to revitalize the subscriber base and deepen customer understanding. 
• RESULTS: The brand achieved a 482% increase in email-attributed revenue and a 41% boost in email revenue per recipient. Another notable achievement was the 29% increase in subscriber list size. 

Hustler Marketing is a Klaviyo Elite and Yotpo Premier Partner recognized as the Best Retention Marketing Agency at the 2024 Yotpo Partner Awards. Its team includes dedicated Account Managers, Copywriters, Designers, and Platform Specialists, each serving just 2-3 clients for strategic focus. With a global, remote team, the email marketing agency has generated over $105M in client email revenue in 2024. Its leadership, including Bostjan Belingar, drives tailored, data-backed strategies across diverse eCommerce sectors.

• CHALLENGE: A research peptides brand needed to market to a highly educated audience in a heavily regulated niche. It lacked automated email flows, had an inactive SMS list, and relied on trust-building content over traditional marketing tactics — all while competing against lower-quality sellers. 
• SOLUTION: The team implemented a comprehensive email automation system with scientifically accurate flows, including welcome series, replenishment reminders, win-back messages, and birthday greetings. It launched SMS using checkout data, driving urgency without undermining brand credibility. The seasonal campaign strategy ensured consistent performance year-round, even with limited ad spend. 
• RESULTS: In just five months, email revenue reached 65% of total sales with a 60× ROI on campaigns. SMS, though newly launched, contributed 6.2%. Campaigns outperformed seasonality, delivering 19% revenue in off-peak periods. The structured retention system transformed email into the brand’s primary growth engine.

OuterBox is a seasoned email marketing agency with over 1,000 successful client relationships. It specializes in building high-performing, automated campaigns across platforms like Klaviyo, HubSpot, Mailchimp, and Salesforce. The agency strives to align campaigns with key business moments, such as product launches, promotional cycles, and content initiatives, to ensure consistent messaging across channels. The team combines advanced audience segmentation, personalized content, compelling subject lines, and clear calls-to-action to create lucrative campaigns. These offerings are further complemented by A/B testing, UI/UX optimization, and real-time performance analytics to maximize engagement and conversion. 

• CHALLENGE: Elk Springs Resort relied on fragmented email tools that limited its ability to deliver personalized or visually engaging messages. The resort’s communications were primarily text-based and lacked consistency, resulting in a disjointed brand experience and low audience engagement. 
• SOLUTION: OuterBox migrated Elk Springs Resort to Klaviyo to deliver a unified email marketing infrastructure with advanced automation and personalization capabilities. The team designed and implemented custom, brand-aligned email templates, built data strategies to support deep segmentation, and developed repeatable, automated flows triggered by user behavior. The setup included full account configuration, behavioral data integration, and A/B testing for both campaigns and transactional emails. 
• RESULTS: The migration allowed Elk Springs Resort to create a more consistent experience between its website and email communications. With automated flows and behavioral targeting in place, the resort was able to deliver more relevant messages to its subscribers at scale. 

Joseph Studios helps brands use one of the most cost-effective strategies, email marketing, to engage customers at every stage of their journey. From simple newsletters to advanced automated journeys triggered by customer behavior, its team designs campaigns that influence buying habits, nurture leads, and turn subscribers into loyal repeat buyers. 

PROJECT NAME: Joseph Studios boosts digital presence for an IT consulting startup 

The client launched ITS business just before the COVID-19 pandemic and struggled to generate visibility without conferences or seminars. IT needed help with social media presence, website updates, and outbound email campaigns to drive organic growth. The email marketing agency: 

• Managed LinkedIn and Facebook accounts to build a consistent online presence 
• Developed and executed outbound email campaigns to connect with new prospects 
• Provided ongoing strategic guidance and website support through close collaboration 

Results: 

• Increased the startup’s digital visibility despite pandemic limitations 
• Helped generate organic growth and engagement through targeted email outreach 
• Delivered flexible, budget-conscious marketing support tailored to evolving needs