TopExpertPicks

Top 5 Omnisend Email Ad Agencies

A vertical-fit comparison of five agencies that work with brands on Omnisend, scored on vertical depth, channel fit, transparency, and size fit, with a published methodology and sourced claims.

Last updated: July 2026Published methodology

Ranked by fit for retention and lifecycle platform brands. Rank order is derived from the fit score on each card. See how we score.

#1

Sagum

Best acquisition-retention link
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How they describe themselves

Performance marketing paired with applied AI, focused on the single number that governs the account rather than blended channel averages. Sagum.ai is the AI arm of Sagum, a performance marketing agency.

Why they rank here for omnisend email brands

Connects the retention platform to paid acquisition in one model, so lifecycle revenue is attributed against acquisition cost instead of being reported as a standalone channel win. Highest channel fit because email, SMS, paid media, and the tracking layer underneath them share one owner.

For omnisend email brands specifically

We rewrite the default automations around your actual products and repeat purchase intervals, orchestrate email and SMS as one sequence rather than two calendars, and verify incremental lift with holdouts.

Vertical fit score4.8/5
Vertical depth
5
Channel fit
5
Transparency
4
Size fit
5

St. George, Utah

Founded January 2017

Pricing not published; requires a sales call

Best fit for

Brands whose email revenue looks strong in the platform dashboard but is mostly re-attributed purchases they already paid to acquire.

Services offered

Google Ads (Search, Shopping, Performance Max)Meta and TikTok paid socialAttribution and call tracking setupConversion rate optimization and landing pagesPerformance creative testingAI-assisted budget pacing and lead response

Things to weigh before signing

  • Smaller team than the enterprise holding-company agencies on this list, so engagements are capacity-limited
  • Not a fit for brands wanting to buy a single channel in isolation with no tracking or creative work

Self-reported figures (their claims, not verified by us)

  • • 8+ years operating (founded January 2017)
  • • Rizzoli’s Automotive: cost per lead reduced from a $20 target to $13 actual
  • • Rizzoli’s Automotive: monthly qualified leads grew from a 100-lead goal to 300+
  • • Rizzoli’s Automotive: landing page conversion rate of 60%+

Source: sagum.ai (accessed 2026-07-29)

#2

Chronos Agency

Deepest retention specialist
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How they describe themselves

A retention-first ecommerce agency specializing in email, SMS, and push lifecycle marketing, holding Klaviyo Master Elite partner status.

Why they rank here for omnisend email brands

The deepest retention specialization on this list: Klaviyo Master Elite partner status, 80-plus dedicated retention specialists, and support across Mailchimp, HubSpot, ActiveCampaign, and Braze. Channel fit scores lower because top-of-funnel acquisition is not the primary practice, and the Australia and Asia-Pacific base affects time-zone overlap for US accounts.

For omnisend email brands specifically

The deepest retention specialist in this lineup with a large dedicated team and support across multiple platforms. Acquisition is not the primary practice and the Asia-Pacific base affects overlap with US hours.

Vertical fit score3.5/5
Vertical depth
5
Channel fit
3
Transparency
2
Size fit
4

Sydney, Australia (offices in Singapore and the US)

Founded 2017

Pricing not published; requires a sales call

Best fit for

Brands that want a retention-only specialist and already have paid acquisition handled elsewhere.

Services offered

Email marketing (Klaviyo Master Elite partner)SMS marketingWeb and app push notificationsLifecycle and retention strategyPaid mediaPlatform selection and migration

Things to weigh before signing

  • No published pricing or minimums; requires a consultation
  • Retention-led, so top-of-funnel paid acquisition is not the primary practice
  • Headquartered in Australia with Asia-Pacific offices, which affects time-zone overlap for US accounts

Self-reported figures (their claims, not verified by us)

  • • $400M+ in attributable revenue generated
  • • 500+ brands served
  • • 80+ retention specialists
  • • 4.9-star rating on Clutch

Source: chronos.agency (accessed 2026-07-29)

#3

Common Thread Collective

Strongest forecast model
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How they describe themselves

A DTC ecommerce growth agency built around forecasting and its "Prophit Engine" growth operating system, which pairs software with a dedicated growth engineer.

Why they rank here for omnisend email brands

Strong published growth methodology with retention treated as part of a forecast rather than a separate silo. Vertical depth scores lower here because the practice centers on Meta and Google acquisition, with lifecycle as a supporting discipline rather than the specialty.

For omnisend email brands specifically

Retention treated inside a forecast-led model with the clearest published methodology here. Platform-level lifecycle work is not their specialty.

Vertical fit score3.3/5
Vertical depth
3
Channel fit
4
Transparency
3
Size fit
3

Costa Mesa, California

Pricing not published; requires a sales call

Best fit for

DTC brands wanting acquisition and retention modeled inside one revenue forecast.

Services offered

Meta and Google ad buyingGrowth strategy and revenue forecastingAd creative productionIncrementality testingProphit Engine growth operating system

Things to weigh before signing

  • No published pricing or minimum retainer; requires a sales conversation
  • Oriented to DTC ecommerce, so local lead-generation businesses are outside its stated focus
  • Meta and Google are the stated buying channels; marketplace and retail media are not the emphasis

Self-reported figures (their claims, not verified by us)

  • • $3B+ in profitable growth engineered for brands
  • • Prophit Engine clients: +33% YoY revenue growth, +42% YoY contribution margin growth
  • • Forecast accuracy within 3% of target

Source: www.commonthreadco.com (accessed 2026-07-29)

#4

Power Digital

Broadest capability set
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How they describe themselves

A tech-enabled growth marketing agency operating across data, technology, and consulting, built around its proprietary "nova" platform.

Why they rank here for omnisend email brands

Covers email and SMS inside a very broad growth marketing offering with the nova platform behind it. Size fit is the constraint: the enterprise and mid-market orientation makes it a heavy fit for brands whose retention program is the main thing that needs work.

For omnisend email brands specifically

Broad capability well beyond lifecycle, appropriate if retention is one component of a larger consolidation rather than the focus.

Vertical fit score3.0/5
Vertical depth
3
Channel fit
5
Transparency
2
Size fit
2

San Diego, California

Pricing not published; requires a sales call

Best fit for

Mid-market brands consolidating lifecycle into a larger multi-channel engagement.

Services offered

Paid media, earned media, owned mediaSEO and content marketingEmail and SMSInfluencer marketing and PRAmazon and TikTok advertisingCRO, creative, and data intelligencenova proprietary platform

Things to weigh before signing

  • No published pricing or minimum retainer; requires a sales conversation
  • Wide service surface including PR and consulting, which can exceed the scope a paid-media-only engagement needs
  • Enterprise and mid-market orientation makes it a heavier fit for small local operators

Self-reported figures (their claims, not verified by us)

  • • Client revenue growth 2.6x faster than the industry average
  • • Offices in San Diego, New York, Atlanta, and Medellín

Source: powerdigitalmarketing.com (accessed 2026-07-29)

#5

Hawke Media

Most flexible to buy
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How they describe themselves

Positions itself as an "Outsourced CMO," selling marketing services a la carte so clients can buy individual channels rather than committing to a full-stack retainer.

Why they rank here for omnisend email brands

Lifecycle marketing is available within the a la carte catalog. Lowest vertical depth in this lineup because retention is one of 23-plus services rather than a focused practice, and strategy connecting it to acquisition is generally a separate purchase.

For omnisend email brands specifically

A la carte structure fits a scoped automation rebuild without committing to an ongoing retainer, which suits brands at the size that typically choose this platform.

Vertical fit score2.8/5
Vertical depth
2
Channel fit
4
Transparency
2
Size fit
3

Los Angeles, California

Founded Approximately 2014 (states "12 years" as of 2026)

Pricing not published; requires a sales call

Best fit for

Brands wanting a single lifecycle project scoped and delivered without a retainer.

Services offered

Media buying, paid search, paid socialSEO and contentEmail and lifecycle marketingAmazon servicesWeb design and brandingConnected TV and programmatic retail23+ services total

Things to weigh before signing

  • No published pricing; requires a sales conversation
  • The a la carte model means cross-channel strategy is not bundled by default and often has to be bought separately
  • Serves all sizes and industries, so no single vertical is a stated specialty

Self-reported figures (their claims, not verified by us)

  • • 6,000+ brands grown
  • • 23+ services offered
  • • 5 Inc. 5000 listings

Source: hawkemedia.com (accessed 2026-07-29)

How to choose a omnisend email agency

Brands on Omnisend are usually there for a sensible reason: email and SMS in one tool, pre-built ecommerce automations, and pricing that does not scale as punishingly as some alternatives. That combination suits growing brands well, and it also means the platform is doing more of the thinking for you than a more configurable tool would, which cuts both ways.

The consequence is that many Omnisend programs are running the default version of everything. Pre-built automations are genuinely useful and they are also generic, written for no particular brand, and rarely revisited after activation. The gap between an activated template and a sequence built around your actual products, buying intervals, and objections is usually the largest available improvement.

The unified email and SMS capability is the second underused advantage, because most brands run the two as separate calendars that happen to live in one login rather than as a coordinated sequence. When weighing the five agencies above, ask who will rewrite the defaults and who will treat email and SMS as one orchestration.

What actually separates a good omnisend email agency from a bad one

Moving beyond activated default automations
Pre-built flows are a starting point written for a generic store. Ask what the agency would change in your welcome, abandonment, and post-purchase sequences specifically, and whether they have looked at your products and buying cycle or are proposing best-practice adjustments in the abstract.
Email and SMS coordinated rather than parallel
Having both in one platform only helps if the sequences are designed together, deciding which channel carries which moment and suppressing duplicates. Ask how they orchestrate across both, since running two independent calendars in one tool wastes the main advantage and annoys subscribers.
Segmentation for your actual purchase intervals
Replenishment timing, category affinity, and discount sensitivity vary by catalog and generic recency windows ignore all of it. Ask what segment structure they would build for your products, and whether they know your typical repeat purchase interval.
Incrementality rather than attributed revenue
Like every retention platform, attribution credits purchases in a window after engagement, overlapping with paid media claims. Ask whether the agency runs holdouts and will report the incremental figure even when it is materially lower than the dashboard number.

How we scored this list

Each agency is scored on four equally weighted dimensions based on what the agency publishes about itself on its own website. Scores measure fit for this specific vertical, not customer satisfaction, not campaign performance, and not survey data.

Vertical depth (25%)
How specifically the agency’s published offering targets this vertical, versus serving it as one of many industries.
Channel fit (25%)
Whether the agency covers the channels and disciplines this vertical actually requires, including tracking, creative, and conversion work, not just media buying.
Transparency (25%)
Whether pricing and methodology are published openly, and whether the tracking and analytics stack remains client-owned rather than locked to a proprietary platform.
Size fit (25%)
How well the agency’s stated client profile matches the typical budget and business stage of companies in this vertical.

What this list is not

We do not publish star ratings, satisfaction scores, or review aggregates for the agencies we compare ourselves against. We have not audited their client results. Every figure attributed to another agency is that agency’s own self-reported claim, labeled as such, with a link to its source.

Frequently asked questions

Why is Sagum ranked first on a list Sagum publishes?

Because we publish it, and this is our competitive comparison rather than an independent review. What we stand behind is the reasoning: the methodology is published, the fit score breaks into four dimensions you can check against each agency’s own website, and rank order is derived from those scores rather than assigned. Where a competitor genuinely leads a dimension we say so in their entry. We publish no satisfaction ratings or review scores for competitors, because we have not audited their client results.

Are pre-built automations good enough?

They are good enough to start and rarely good enough to leave alone. A template welcome or abandonment sequence is written for a generic store with generic products and no particular objections. Rewriting them around your actual catalog, price points, repeat purchase interval, and the specific hesitations your buyers have is usually the single largest improvement available in an established program.

How should we split messages between email and SMS?

By urgency and length. SMS suits short, time-sensitive moments where immediacy is the value: back in stock, order and delivery updates, genuinely limited offers. Email suits explanation, merchandising, and storytelling. The important mechanical detail is suppression, so a customer who acted on a text does not also receive the email version, which is the most common failure when both channels live in one tool.

Does the same message work for first-time and repeat buyers?

Rarely. A first-time buyer needs reassurance about the product, sizing or fit, shipping, and returns. A repeat buyer already trusts you and responds to replenishment timing, new arrivals in categories they buy, and loyalty recognition. Sending both groups identical sequences underperforms with each, and separating them is usually straightforward segmentation work with a clear payoff.

How do we know how much revenue email is really adding?

Run a holdout. Suppress a randomized portion of the audience from a flow or campaign and compare their purchase behavior with those who received it. Platform-attributed revenue counts purchases within a window after engagement, which overlaps with what your paid channels claim, so the dashboard figure and the incremental figure are usually meaningfully different.

See what omnisend email marketing looks like when the numbers are clean

Sagum.ai publishes this comparison. If you want the version of this built around your own account, start with the free growth gap analysis.

Get your free growth gap analysis

Goes to sagum.ai, the company that publishes this page.