Bossar is a specialized eCommerce email marketing agency focused on email and SMS. With 5+ years of experience and a proven track record across 100+ stores, we focus exclusively on retention marketing that drives measurable results.
Most of the brands we work with are established eCommerce businesses, and the majority of our clients operate in the 6- to 8-figure revenue range. This focus allows us to craft strategies built for scale, helping growth-minded brands unlock the full potential of email and SMS. Our longest-standing client has been with us for over 4 years, proof that our strategies create growth that lasts.
As a full-service email marketing agency, our core offer is done-for-you email & SMS management, which covers every aspect of retention marketing, including:
Automated email & SMS flows tailored to your brand and customer journey
Campaign planning, execution, and optimization
Audience segmentation and advanced personalization
Custom design + conversion-driven copywriting
Deliverability monitoring and inbox placement
A/B testing and performance optimization
Detailed reporting and actionable insights
If your store is under $50K/month in sales or you’re not ready for ongoing monthly management, we also offer one-time flow setups and custom projects designed to match your tech stack and business needs. Whether you need a dedicated Klaviyo email marketing agency or support with another ESP, our team builds flows and campaigns tailored to your system.
With Bossar, you’re not hiring a generic provider, you’re partnering with a retention-focused email marketing agency that lives and breathes email & SMS, turning them into your most profitable growth channels.
Want to identify missed revenue opportunities in your retention marketing? Visit our website and apply for a free audit here: bossar.agency/free-audit (no obligations) to get actionable insights tailored to your store.
Min project size
$5,000+
Hourly rate
Undisclosed
Employees
10 - 49
Locations
Warszawa, Poland
Year founded
Founded 2021
1 Locations
Warszawa , Poland
No have been added yet...
Pricing Snapshot
Min. project size
$5,000+
Avg. hourly rate
Undisclosed
Rating for cost
5
/5
What Clients Have Said
Maillibr is noted for providing good value for cost, with successful outcomes such as generating over $7.6M in email revenue. Clients appreciate their effective communication and timely delivery, indicating a strong return on investment without specific project costs mentioned.
"They're open to new ideas and quick in implementation."
Sep 24, 2024
CMO, Povney LLC
Yevhenii Ahapov
eCommerce
Gillette, Wyoming
11-50 Employees
Online Review
Maillibr has set up and now maintains a print-on-demand company's email and SMS marketing. The team has set up automations, such as abandoned checkout reminders, and established a process for regular campaigns.
Maillibr's work generates 15%–20% of the client's store revenue. The team is quick to respond, and their communication is straightforward via email and messaging apps. Moreover, the client is open to new ideas and has a fast turnaround time. Overall, the client is satisfied with Maillibr's work.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am the CMO of Povney LLC
Describe what your company does in a single sentence.
We run print on demand stores around the globe
OPPORTUNITY / CHALLENGE
What specific goals or objectives did you hire Maillibr to accomplish?
Setup and maintain our email marketing
SOLUTION
How did you find Maillibr?
Referral
Why did you select Maillibr over others?
Close to my geographic location
Pricing fit our budget
How many teammates from Maillibr were assigned to this project?
2-5 Employees
Describe the scope of work in detail. Please include a summary of key deliverables.
We need to set up all the necessary automations, such as the welcome series and abandoned checkout reminders. Additionally, we need to establish a process for regular campaigns.
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success?
15-20% of the store's revenue is generated by the team through Email and SMS
Describe their project management. Did they deliver items on time? How did they respond to your needs?
The team always responds quickly in communication. Communication is mostly straightforward.
What was your primary form of communication with Maillibr?
Email or Messaging App
What did you find most impressive or unique about this company?
They're open to new ideas and quick in implementation.
Are there any areas for improvement or something Maillibr could have done differently?
No idea :)
RATINGS
4.5
Quality
4.5
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
4.5
NPS
Email Marketing for Branding Agency
Email MarketingSMS Marketing
$50,000 to $199,999
Jan. 2021 - July 2024
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"They are adaptive to new initiatives, proactively propose ideas, and engage in strategies that continuously improve."
Jul 22, 2024
CEO, Creatunity
Andrew Payne
Verified
Advertising & marketing
Dallas, Texas
11-50 Employees
Online Review
Verified
Maillibr provided email marketing services for a branding agency. The team customized the lifecycle of the email flows, collected zero-party data, managed opt-in data, and deanonymized data via Retention.com.
Maillibr's work significantly increased the client's email revenue by over $7.6 million and new email subscribers by over 600,000. The team also improved the client's marketing strategies and A/B testing. The team delivered on time and was responsive, adaptative, and proactive during the engagement.
The client submitted this review online.
BACKGROUND
Please describe your company and position.
I am the CEO of Creatunity
Describe what your company does in a single sentence.
We create innovative, high-growth brands that make life better.
OPPORTUNITY / CHALLENGE
What specific goals or objectives did you hire Maillibr to accomplish?
Growth
Marketing
SOLUTION
How did you find Maillibr?
Referral
Why did you select Maillibr over others?
High ratings
Good value for cost
Referred to me
Company values aligned
How many teammates from Maillibr were assigned to this project?
2-5 Employees
Describe the scope of work in detail. Please include a summary of key deliverables.
With 3 years of partnership delivering more than $7.6M in email revenue, more than 600k new email subscribers added through the following scope:
Custom lifecycle email flows
Zero-party data collection
Opt-in management
Deanonymizing strategy via retention.com
Advanced list segmentation
Email campaigns calendar
RESULTS & FEEDBACK
What were the measurable outcomes from the project that demonstrate progress or success?
$7.6M+ in email revenue generated and 600k+ new email subscribers added, along with clear strategy improvements, A/B testing and planning with our team.
Describe their project management. Did they deliver items on time? How did they respond to your needs?
Quick communication, always consistent and on time with deliverables.
What was your primary form of communication with Maillibr?
Email or Messaging App
What did you find most impressive or unique about this company?
They are adaptive to new initiatives, proactively propose ideas, and engage in strategies that continuously improve.
Are there any areas for improvement or something Maillibr could have done differently?
At this time there are no areas I can suggest for improvement.
RATINGS
5.0
Quality
5.0
Service & Deliverables
Schedule
5.0
On time / deadlines
Cost
5.0
Value / within estimates
Willing to Refer
5.0
NPS
E-commerce Development for an Online Shop
E-Commerce Development
Less than $10,000
Dec. 2018 - Jan. 2019
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0
"Their communication was very good and they always delivered punctually."
Feb 27, 2019
Employee, Online Marketing Firm
Anonymous
Verified
Advertising & marketing
Nordhorn, Germany
1-10 Employees
Online Review
Verified
Bossar built and implemented a configurator and did e-commerce development for an online store. They provided expertise in the WooCommerce plugin.
They delivered a functional online store ahead of the deadline. Expect a team that works hard to meet specifications and can accommodate changes in implementation requirements.
The client submitted this review online.
BACKGROUND
Please describe your company and your position there.
We are an online marketing agency.
OPPORTUNITY / CHALLENGE
For what projects/services did your company hire Bossar?
We hired them to develop an online store.
What were your goals for this project?
We wanted a well-designed online store.
SOLUTION
How did you select this vendor?
We found them on the internet and chose them for their expertise in WooCommerce.
Describe the project and the services they provided in detail.
They built and implemented a configurator for us and supported the implementation of the online store.
What was the team composition?
We worked with three people on their end.
RESULTS & FEEDBACK
Can you share any information that demonstrates the impact that this project has had on your business?
They delivered much faster than we expected.
How was project management arranged and how effective was it?
Their communication was very good and they always delivered punctually.
What did you find most impressive about this company?
They work conscientiously and properly and they’re also flexible in their implementation.
If you’re not seeing exactly what you need here, send this company a custom message.
You can talk about your project needs, price, and timeline to get started on your project.
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