Cold Email Agencies
Retention-driven email, SMS, and omnichannel marketing for eCommerce and DTC brands.
Top Sales Agencies Score
Flowium provides full-service retention and lifecycle marketing for eCommerce brands, with core services in email marketing, SMS, audits, deliverability, and Klaviyo support, plus omnichannel programs spanning push notifications, WhatsApp, RCS, Instagram DM automation, and direct mail.
Location
Staten Island, New York
Founded
2017
Team Size
51-200
The themes clients raise most, synthesized from 6 verified reviews we read. Each badge counts how many of those reviews raised the point.
Responsive communication
Multiple reviewers explicitly praised quick answers, immediate responses, and clear communication during audits and project work.
Professional service
Reviewers repeatedly described the team and experience as professional, organized, and easy to work with.
Strong email marketing expertise
Customers highlighted Flowium's knowledge in audits, Klaviyo/email strategy, and identifying concrete improvement opportunities.
Positive business results
Some reviewers said Flowium improved engagement, reach, and email/SMS revenue.
Possible review mismatch
One Trustpilot 1-star review describes a crypto scam scenario that does not match Flowium's stated marketing-agency business, creating noise in the profile.
Minor time-zone miscommunication
Clutch review insights mention one client reported occasional miscommunications due to time-zone differences.
Flowium itself does not appear to publish a standard pricing page on its own website, but its FAQ confirms the engagement structure: auto-renewing monthly service, optional 6- and 12-month discounts, one-time projects, and per-additional-email charges. Reputable directories expose concrete figures: Clutch shows a minimum project size of $1,000+ and average hourly rate of $100-$149/hr, while also surfacing package snapshots for email campaigns at $6,000-$10,000/month and a verified client spend of $6,000/month; DesignRush separately lists a minimal budget of $1,000-$10,000 and $150/hr. Treat the package dollar amounts as third-party directory-published pricing snapshots rather than prices directly published on Flowium's own site.
Where this pricing information was traced from.
How Flowium actually works, reconstructed from customer reviews and third-party write-ups.
A Flowium engagement appears to start with an audit and sales/discovery conversation, then move into a formal kickoff with a dedicated team, account setup/integration, and a roadmap for the first months. From there, Flowium develops strategy, sample emails and creative for approval, then runs ongoing campaign/automation production with weekly communication, iteration based on client feedback, and monthly reporting/optimization.
Prospects commonly encounter Flowium through an audit-led sales motion: Flowium advertises a free email audit covering flows, campaigns, opt-ins, template design, and KPIs, and Trustpilot reviewers specifically mention receiving an informative, professional audit and having their needs explained on calls before committing.
Once a client signs, onboarding begins with a Kick-Off Call where the client meets a dedicated team, aligns on goals, discusses creative expectations, and sets timelines. Flowium’s materials consistently describe a team-based delivery model rather than a solo freelancer-style engagement.
After kickoff, Flowium’s project manager, strategist, and technical staff dig into the account, handle eCommerce integration and account setup, and stand up collaboration infrastructure such as the client dashboard and Slack channel. Flowium also says onboarding includes a deliverability audit to assess sender reputation and inbox placement.
During onboarding, Flowium states that its project manager and strategist create a roadmap for the first three months and the year ahead. The strategist then develops the email strategy and monthly allocation between campaigns and flows, with that plan explicitly described as subject to client approval.
Before producing everything at scale, Flowium says clients receive five showcase emails and a brand-specific automation plan; third-party write-ups similarly describe a sequence of analyzing the current account, creating a few sample emails to finalize copy and design, and only then developing the broader program. This matches review evidence that clients give feedback and Flowium iterates quickly with multiple options.
The live delivery phase includes platform management, automation strategy implementation, campaign calendar creation, segmentation, copy/design production, and ongoing testing/optimization. Flowium’s service descriptions and review summaries repeatedly frame the work as a mix of campaign emails plus lifecycle flows managed by specialists across strategy, copy, design, project management, and technical execution.
Once work is in motion, Flowium’s listed process includes weekly calls with the specialist team and monthly reporting. Review evidence on Clutch and Sortlist emphasizes responsive communication, organized project management, on-time delivery, and quick iteration after client feedback, suggesting an ongoing review-and-refine cadence rather than one-off delivery.
Customer reviews and third-party write-ups this process was traced from.
How Flowium ranks against other Sales agencies.
Flowium has a modest but real third-party review footprint. I found clear listings on Clutch, G2, and Trustpilot; Clutch and G2 are strongly positive, while Trustpilot is mostly positive but includes one apparently mismatched scam complaint that Flowium publicly disputed. I did not find a verifiable company profile/listing for Flowium on Google, Capterra, or BBB in the search results I examined.
23 reviews
Clutch reviewers describe Flowium as highly responsive, timely, and strong in email marketing execution, especially around Klaviyo and lifecycle campaigns. Review insights also note good value and strong project management, with one mention of minor time-zone-related miscommunication.
“They responded to my needs immediately.”
“Flowium delivered the project on time thanks to their consistent reception to needs and requests”
1 reviews
The single visible G2 review is very positive and emphasizes professionalism, responsiveness, and careful handling of questions and privacy concerns. The profile appears inactive/unclaimed, but it is clearly a Flowium listing tied to flowium.com.
“A professional experience through and through.”
“The provider was prompt in answering all queries and addressing many of our concerns.”
“We had no major issues with the Flowium team”
6 reviews
Trustpilot feedback is mostly favorable, with reviewers praising audits, communication, and revenue impact from email/SMS marketing. One 1-star review appears unrelated to this marketing agency and was answered by Flowium saying the reviewer likely had the wrong company.
“Adam with Flowium was absolutely incredible.”
“Adam explained everything our business needed to do to start capitalizing in two short calls.”
“the audit was very informative and professional and Adam did an incredible job communicating what Flowium has to offer.”
“We have been very pleased with the increase in email and SMS marketing revenue generated by working with Flowium.”
Strengths
Concerns
First-hand reviews from verified Top Sales Agencies members.
Loading reviews…
Flowium focuses on retention and lifecycle marketing for eCommerce and DTC brands. Its services include email marketing, SMS marketing, email audits, deliverability, Klaviyo support, plus omnichannel programs such as push notifications, WhatsApp, RCS, Instagram DM automation, direct mail, segmentation, personalization, testing, and ESP setup or migration.
Flowium does not appear to publish a standard pricing page on its website. Based on third-party directory snapshots, pricing starts at $1,000/month, with common email campaign packages shown around $6,000-$10,000/month, while custom engagements are quoted based on scope.
Flowium is based in Staten Island, New York, USA. The listed address is 57 Beach St, Suite 306, Staten Island, New York 10304, US.
Flowium has review profiles on Clutch, G2, and Trustpilot. The evidence shows 4.9/5 on Clutch from 23 reviews, 5/5 on G2 from 1 review, and 3.9/5 on Trustpilot from 6 reviews, with reviewers commonly praising responsiveness, professionalism, and email marketing expertise.
Flowium says it works with eCommerce and direct-to-consumer brands. Its positioning centers on acting as an extension of client teams to improve engagement, repeat purchases, and customer lifetime value.
Flowium primarily uses monthly retainer pricing for ongoing email and SMS management, with tiered packages based on email volume and team hours. It also offers one-time project work, month-to-month auto-renewing terms with a 60-day cancellation period, and discounts for 6- and 12-month agreements.
Flowium was founded in 2017. The available evidence lists its team size in the 51-200 range.
Location
57 Beach St, Suite 306, Staten Island, New York 10304, US
Phone
+1 347-683-5586Domain registered
October 2019
Last updated
April 2024
Domain age
~6 years
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