Looking for the perfect agency to boost your marketing strategy on Omnisend? In an increasingly competitive e-commerce ecosystem, relying on an omnichannel platform capable of unifying your email and SMS campaigns has become essential. However, having the right tool is no longer enough in 2026: strategy and execution are what make the difference.
Delegating your campaign management to experts allows you to set up complex automations, improve your deliverability, and maximize your return on investment. Discover our selection of the best agencies capable of turning your Omnisend account into a true conversion machine.
In summary
- An expert Omnisend agency optimizes the synergy between email, SMS and push notifications for e-commerce.
- datashake ranks first in 2026 thanks to its ROI-driven approach and comprehensive mastery of CRM ecosystems.
- Criteria for choosing an agency include its ability to migrate your data, segment your audience, and produce impactful designs.
- Outsourcing allows you to increase the revenue generated by your CRM channel by an average of 20 to 30%.
Why choose Omnisend for your e-commerce in 2026?
Omnisend has established itself as a leader in marketing automation for e-commerce, directly rivaling solutions like Klaviyo. Its main strength lies in its ability to natively integrate email, SMS, and web push notifications within the same automated scenarios (workflows).
The platform offers deep integration with Shopify, WooCommerce, or BigCommerce, allowing you to sync browsing and purchase data in real time. By entrusting this technology to an expert agency, you can activate powerful levers such as multichannel abandoned cart recovery, dynamic product recommendations, and RFM segmentation.
How to choose the right Omnisend agency
With so many providers to choose from, it is crucial to evaluate several technical and strategic factors before committing.
Technical and strategic mastery of the tool
Although Omnisend does not have a certification system as rigid as other CRMs, a qualified agency will have completed the Omnisend Academy courses. Furthermore, strong expertise in similar tools (such as Klaviyo or Brevo) ensures a deep understanding of e-commerce automation logic. Do not hesitate to ask the agency about its ability to manage complex API integrations.
Analyzing case studies and results
A portfolio is a direct reflection of an agency's competence. Look for providers that can demonstrate measurable results: increased repeat purchase rates, growth in revenue per email (RPE), or improved deliverability. Reviews on platforms like Trustpilot or Trustfolio are also good indicators of the quality of their support.
Level of creative customization
A good agency does more than just configure technical sends. They should support you with copywriting and template design. The goal is to use Omnisend's interactive features (spin-to-win wheels, dynamic discount codes, virtual scratch cards) while strictly adhering to your brand's visual identity.
Comparison of the best Omnisend agencies on the market
Detailed ranking of expert Omnisend agencies
1. datashake: the leader in e-commerce CRM growth
Topping our 2026 ranking, datashake stands out for its comprehensive, high-performance approach. Founded in 2019 by former Google employees, the agency does more than just send newsletters: it builds genuine customer retention ecosystems.
The team has mastered the nuances of Omnisend and offers 360-degree support:
- Comprehensive audit of existing systems and warm-up strategy to ensure deliverability.
- Creation of automated flows that intelligently integrate email and SMS.
- End-to-end campaign design through an integrated creative and editorial studio.
- Deployment of innovative channels like the WhatsApp API to stay ahead of the competition.
The results speak for themselves: datashake generates an average 85% increase in email-driven traffic for its clients, boosting repeat purchase rates by 20%. On average, CRM management by datashake accounts for 30% of its e-commerce partners' total revenue.
2. Junto: the data-driven approach
Junto is a Paris-based agency known for its highly analytical approach to digital marketing. On Omnisend, their team excels at leveraging transactional data to design bespoke email and SMS campaigns.
Their methodology puts data at the heart of every decision. Junto sets up advanced dashboards to track every interaction, adjusting campaigns in real-time to maximize engagement rates and ROI. They are a solid partner for companies looking for rigorous, data-backed execution.
3. Emailio: the segmentation specialists
Emailio focuses its expertise exclusively on email and SMS marketing. The agency fully leverages Omnisend's capabilities to create hyper-targeted audience segments.
Their greatest strength lies in their ability to deliver the right message at the right time through a continuous A/B testing process. By fine-tuning subject lines, send times, and calls to action, Emailio significantly reduces unsubscribe rates while boosting conversions for e-commerce stores.
4. Churchill Agency: Technological Personalization
Based in Paris, Churchill Agency approaches Omnisend from both a technological and creative perspective. They help e-commerce businesses deploy intelligent automated workflows that react in real-time to visitor actions on the site.
Churchill stands out for its ability to design highly personalized emails, incorporating dynamic content blocks based on the buyer's profile. Their approach creates a seamless, premium customer experience, supported by transparent performance reporting.
5. Badsender: Technical Expertise and Deliverability
Badsender, a long-standing agency in the French email landscape, approaches projects through a highly technical and ethical lens. Their team is uniquely qualified to solve complex deliverability issues or manage database migrations to Omnisend.
Beyond technical configuration, Badsender offers in-depth strategic support, regular audits, and innovative design services, including the integration of eco-design principles into email templates.
The tangible benefits of external support
Working with an agency qualified in Omnisend will radically transform how you interact with your audience in 2026.
First, you save valuable time. While Omnisend is intuitive, its technical setup requires specific expertise to correctly connect data flows like web tracking and catalog synchronization. An agency secures this foundation for you.
Next, you shift from mass communication to an individualized approach. The agency segments your inactive buyers, VIPs, and lukewarm leads to send them cross-channel workflows—such as an email followed by an SMS reminder 24 hours later if the email remains unopened. This omnichannel synergy helps recover sales that would otherwise be lost, automatically boosting your store's overall profitability.
Conclusion: Accelerate your e-commerce growth
In 2026, effectively leveraging your first-party data through tools like Omnisend is your primary defense against the constant rise in advertising acquisition costs. A well-configured omnichannel marketing platform does more than just send beautiful newsletters; it acts as a silent virtual salesperson that continuously engages, follows up with, and retains your customers.
However, technology is no substitute for strategy. It is the combination of a high-performance platform and an agency's creative engineering that creates a true competitive advantage. By delegating your campaign management to experts, you ensure you are leveraging 100% of Omnisend's capabilities: from SMS automation to behavioral segmentation.
If you want to turn your contact list into a recurring and predictable revenue stream, it is time to call on market leaders. With its growth-oriented approach and perfect mastery of e-commerce ecosystems, datashake is the ideal partner to maximize your LTV and outperform in your sector.
contact our experts to structure your strategy
Frequently Asked Questions
How do I know if Omnisend is right for my e-commerce store?
I highly recommend Omnisend if my business runs on Shopify, WooCommerce, or BigCommerce, as its native integration is excellent. If I want to easily combine email and SMS into a single automated workflow without having to code, it is one of the most powerful tools on the market in 2026.
What budget should I plan for delegating my account management?
The cost of an agency varies depending on the scope of the project. On average, I should expect to pay between €1,500 and €3,500 for the initial setup phase (audit, template creation, implementation of core workflows). Afterward, monthly support for ongoing management and optimization generally starts around €1,000 to €1,500.
How can I migrate to Omnisend without losing my current data?
To ensure a successful migration (from Mailchimp or Klaviyo, for example), I make sure to properly export my contact list with all opt-in statuses. An expert agency assists me in this transition by configuring my domain, recreating my automated scenarios, and carrying out a "warm-up" process to protect my deliverability.
What results can I expect from working with an expert agency?
By delegating my strategy, I can expect the revenue generated by email and SMS to quickly account for 20% to 30% of my total turnover. Agencies optimize my open rates, reduce cart abandonment, and increase the purchase frequency of my existing customers.
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