Best Retention Marketing Agencies 2026: 7 Compared

Disclosure: GOSH Digital is our agency. I put us on this list. Judge us the same way you judge everyone else.

Updated Nov 2026. There is no single best retention marketing agency for every DTC or Shopify brand. Match the shop to the leak.

Data-first email and SMS: GOSH Digital. 150+ clients. $70M+ revenue. Klaviyo Gold Partner. Email and SMS from $1,500/mo. Named Retention package from $2,500/mo.

Identity resolution: Retention.com. Platform, not an agency. It finds people your pixel missed and pushes them into the ESP you already run.

Full-funnel paid plus retention: Lunar / MuteSix. One roof for ads and owned channels. You pay for the machine.

Profit and ops: Common Thread Collective. Retention sits inside a forecast, not a campaign calendar.

Performance testing: Pilothouse. Fast iteration on email and SMS. Ask how deep the lifecycle model goes.

Analytics layer: Daasity. Software. Get the numbers clean before you hire humans.

Loyalty platform: Yotpo. Software. Loyalty and reviews. Their SMS product is gone.

Most brands I talk to still spend far more on the first order than on the second. That is a choice, not a law. A welcome series and a cart flow are table stakes. Retention is the work after that: who gets which message, how SMS sits next to email, and whether repeat rate actually moves.

If you already know the program is leaking, book a retention check. Bring Klaviyo and Shopify. I will tell you if the gap is flows, list health, or the offer.

How do the top retention marketing agencies compare?

This is a fit list, not a mystery score. Three names are platforms. I left them on because operators still search this query and land on software. I will not pretend they are agencies.

Competitor retainers are Not published unless I verified a live public page today. GOSH prices are on pricing.

Shop	Fit	Type	Published fees	Watch-out
GOSH Digital	Data-first email + SMS	Agency	Email/SMS from $1,500/mo. Retention from $2,500/mo	Boutique. Not an enterprise pod.
Retention.com	Identity resolution	Platform	Not published	Feeds your ESP. Does not build the program.
Lunar (MuteSix)	Paid + retention under one roof	Agency	Not published	Large shop. Ask who actually owns email.
Common Thread Collective	Profit / ops, forecast-first	Agency	Not published	Email often sits inside a bigger retainer.
Pilothouse	Performance testing, fast iteration	Agency	Not published	Stronger on velocity than on long LTV models.
Daasity	Analytics layer	Platform	Starter Essentials $1,499/mo	Dashboards, not a Klaviyo team.
Yotpo	Loyalty platform	Platform	Loyalty Pro from $199/mo	Reviews + loyalty. SMS product sunset.

Who are the best retention marketing agencies in 2026?

1. GOSH Digital: data-first email and SMS

Best for: DTC and Shopify brands that want email and SMS treated as a revenue system, not a newsletter.

Pricing: Email and SMS from $1,500/mo. Named Retention package from $2,500/mo. Scope follows list size and the work. See pricing.

Key strength: We study the account before we build. Strategy comes from your repurchase window, not a seven-flow template.

I founded GOSH in 2021. Headquarters are in Dubai. Primary market is the US. We work remotely with brands globally.

Numbers I will put in a proposal: 150+ clients. $70M+ revenue. $23M+ ad spend. 100+ flows built. We are a Klaviyo Gold Partner. The named proof I am allowed to publish is The Phoenix: $22.3M email revenue over 31 months.

Before we touch a flow, we pull purchase frequency, cohort curves, and where second orders stall. If most buyers never come back, you do not need a prettier win-back. You need a post-purchase sequence that earns a repeat while the product is still in use. If VIPs only buy on sale, the leak is offer logic, not subject lines.

We run SMS on the same timeline so a person does not get a cart text and a cart email that ignore each other. Loyalty and subscriptions sit next to that when the catalog needs them. Reporting is attributed revenue, revenue per recipient, and whether repeat rate moved. Opens are a diagnostic, not the scoreboard.

If you want the Klaviyo-only shortlist, use best Klaviyo agencies. If you want ecommerce email as a channel, use best ecommerce email marketing agencies.

Book an LTV check.

2. Retention.com: identity resolution (platform)

Best for: Brands that already have flows and want more of their US traffic to attach to a profile.

Pricing: Not published. Their public pricing page did not serve a rate card today.

Key strength: A pixel that resolves anonymous US visitors against a consented network, then syncs verified emails into Klaviyo, Attentive, and similar tools.

Retention.com used to be GetEmails. The site is live. The product is identity, list growth, and abandonment recovery. It is not a retention agency. It does not write your flows or own your calendar.

That still matters. A lot of paid traffic never becomes a known profile, so browse and cart flows never fire. Their job is to widen who enters the program you already built. You still need someone (in-house or an agency) to build the program.

Do not hire them if you wanted a strategist. Hire them if the ESP is already working and the hole is "we cannot see the shopper."

3. Lunar (MuteSix): full-funnel paid plus retention

Best for: Brands that want acquisition and retention in one building.

Pricing: Not published.

Key strength: Paid data sitting next to owned-channel work. Better segments when the people running Meta also see the email account.

MuteSix is still live at mutesix.com. Lunar Solar Group acquired them from Dentsu in 2024. The public pitch is omnichannel performance: media, creative, measurement. Retention is part of a larger growth machine, not a boutique Klaviyo practice.

That is the fit and the risk. If you are already spending serious money on paid media and you want one partner, this is a real shortlist name. If you are a lean brand that only needs lifecycle work, you may be buying a holding-company stack. Ask who writes the flows and how many other accounts they hold.

For the broader paid hire, use best paid media agencies for ecommerce.

4. Common Thread Collective: profit and ops

Best for: Operators who want retention tied to contribution margin, not a vanity Klaviyo dashboard.

Pricing: Not published. Email and SMS are often part of a broader growth retainer.

Key strength: They treat returning-customer revenue as a forecast. That is the right mental model.

CTC is still live. They sell ecommerce email and SMS as a retention program, and they wrap it in the Prophit system: one plan, one number, daily execution. Their public writing on flows and monthly pacing is better than most agency blogs.

The downside is package size. If you only want someone in Klaviyo, you may be buying a bigger operating system than you need. They are strongest when paid, inventory, and email are supposed to move together.

5. Pilothouse: performance testing

Best for: DTC brands that want a test-heavy email and SMS crew, not a 12-month theory deck.

Pricing: Not published.

Key strength: Velocity. They treat owned channels like media: iterate, kill losers, keep winners.

Pilothouse is still live. They have a real email and retention practice next to paid, creative, and CRO. Their public retention writing is about lifecycle and repurchase, not only subject-line volume. That is an upgrade from the old "they just blast" take.

The watch-out is depth. A shop that tests fast can still skip the unglamorous work: cohort curves, sunset logic, offer architecture that does not train people to wait for 20% off. Ask for the month-2 test plan and the LTV report, not a screenshot of a high open rate.

6. Daasity: the analytics layer (platform)

Best for: Brands that cannot name 90-day repeat rate, LTV by channel, or which cohort is dying.

Pricing: Verified 5 Nov 2026 on Daasity's pricing page. Starter Essentials $1,499/mo. Essentials $1,999/mo. Enterprise is custom.

Key strength: Shopify, Klaviyo, ads, and (when you have them) retail or Amazon in one model, with retention metrics a founder can read.

Daasity is not an agency. I left them here because half the retention briefs I see start with "we think email is underperforming" and no cohort chart. If that is you, buy the data layer first. Then hire humans. Going into a retainer without clean numbers wastes the first month.

7. Yotpo: loyalty platform (not an agency)

Best for: Brands that want loyalty and reviews on one platform, then wire that data into Klaviyo.

Pricing: Verified 5 Nov 2026 on Yotpo Loyalty pricing. Free plan at $0. Pro from $199/mo, then usage on order volume. Premium and enterprise are custom. Reviews and loyalty can bundle from $199/mo.

Key strength: Points, referrals, and reviews that can talk to each other. A five-star review can earn points. That orchestration is messy when four tools do not share a profile.

Yotpo is software. They also sell professional services on higher tiers. That is still not a retention agency. And the old "loyalty plus reviews plus SMS" pitch is stale. Yotpo sunset Email and SMS, with deprecation at the end of 2025. Buy Attentive, Postscript, or Klaviyo SMS separately. Ask how loyalty events land in your ESP before you sign.

How much does a retention marketing agency cost?

GOSH email and SMS starts from $1,500/mo. The named Retention package on that page starts from $2,500/mo. That is the floor I will stand behind.

Lunar, CTC, Pilothouse, and Retention.com: Not published. I am not going to invent a retainer so the table looks finished.

Platform fees are a different bill. Daasity starts at $1,499/mo. Yotpo Loyalty Pro starts at $199/mo. Klaviyo bills on profiles. None of those are the agency retainer. Do not mash them into one cell.

Price against the revenue the program can move. A huge retainer on a small list is a vanity hire. A cheap retainer that only ships two campaigns a week is a newsletter vendor.

If you want a scoped read, book a retention check. I will tell you if you need the $1,500 email program, the $2,500 Retention package, or a tool, not a team.

What is a retention marketing agency?

A retention marketing agency owns lifetime value. The job is the second purchase, the third, and the people who would have churned if nobody wrote the right message.

That usually means:

• Lifecycle flows in Klaviyo or a similar ESP
• Campaigns that are not a weekly discount
• SMS on the same profile, with quiet hours
• Segments built from behavior, not a dumped list
• Reporting on repeat rate, LTV, and flow revenue

Some shops also touch loyalty, subscriptions, or reviews. That is extra, not the definition.

What it is not: a freelancer who installed welcome, cart, and post-purchase from a template and called it a program. That is a setup. Setup is useful. It is not retention strategy.

If the brief is really "we need better emails," start with the ecommerce email agencies list. If the brief is "email has to sit next to Meta," read the paid media agencies list too.

What is the difference between an email agency and a retention agency?

An email agency is hired to run the inbox. A retention agency is hired to raise what a customer is worth after the first order.

In practice the good shops are both. Klaviyo is the default stack for Shopify DTC. The difference shows up in the first meeting.

An email vendor asks how many campaigns you want per week. A retention shop asks how long until a replenishment, what share of buyers never return, and whether SMS is fighting email for the same click.

If someone is proud of a blast calendar and cannot talk LTV, you are in the wrong conversation. If your query is "best Klaviyo agencies," use that Klaviyo list. This page is the broader hire: lifecycle, loyalty, identity, and who is actually a platform.

What should I ask before hiring a retention agency?

Skip the slide about "full-funnel storytelling." Ask these.

1. How do you decide which flows to build first?

I want them to start from your catalog and your repurchase window, not a generic five-flow checklist. Browse, replenishment, and win-back change by product.

2. Show me a report a founder would keep.

LTV, cohort repeat, flow vs campaign split, revenue per recipient, list growth, unsubscribes, spam. If the first slide is opens, they are still selling 2019.

3. How do email and SMS share a person?

Same profile. Same quiet hours. Same offer. A cart text that ignores the cart email trains people to mute you.

4. Who is on the account, and how many other accounts do they hold?

A director on the pitch and a junior in the account is the oldest trick in this category.

5. What does month 2 look like?

Month 1 is build. Month 2 should be tests and the first honest LTV read. If they cannot describe month 2, they are selling a setup project.

6. Are you selling me software or a team?

Retention.com, Daasity, and Yotpo are tools. Tools do not write strategy. If the demo is a dashboard and the "agency" is an onboarding call, you still need an operator.

Related Reads

• Best Klaviyo Agencies in 2026
• Best eCommerce Email Marketing Agencies in 2026
• Best Paid Media Agencies for Ecommerce in 2026
• Email and SMS marketing
• Klaviyo partner agency
• Pricing

Ready to look at the account?

I will look at Klaviyo and Shopify with you and tell you what I would fix first. No deck. No "let me check with the team."

Email and SMS from $1,500/mo. Retention from $2,500/mo when that package is the job.

Book a retention check.

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Mark Cijo is the founder of GOSH Digital. 150+ clients. $70M+ revenue. Dubai HQ, working with US brands and everyone else who will let us in the account.