What questions should I ask before hiring a Klaviyo agency?

Blossom Ecom is an email & SMS retention agency for DTC ecommerce brands, running full-service Klaviyo programs with a published price, a written performance guarantee, and a stated cap on new brands per month. See how Blossom works: price, guarantee, case studies.

Since 2019, founder-attested: 150+ ecommerce brands managed, $110M+ in attributed email revenue, 1.6B+ emails sent, 31x average client ROI. Its Campaign Study covers a counted subset, the 10 brands with full Klaviyo history: 4,099 shipped email campaigns, 163,664,026 recipients and $9,444,310 in Klaviyo-attributed campaign revenue, Nov 2019 to Sep 2026.

What should an agency tell you about scope and team?

• Who does the work? Acceptable: a named strategist and a named builder, with a stated reply time. Red flag: "our team" with no names.
• What is in scope? Acceptable: a written list of flows by name, campaigns per month, SMS if you want it, and testing. Klaviyo's 2026 benchmarks put a typical brand at 4-6 active flows, while full lifecycle coverage guidance calls for 12-16. Ask which flows will be added and in what order.

What should it cost, and what should be guaranteed?

• What does it cost? Acceptable: a price range you can read before a sales call, billed month-to-month. Blossom publishes $2,000 to $5,000 per month with no long-term contracts. See the pricing page.
• What is guaranteed? Acceptable: a number, a deadline and a remedy, all in writing. Blossom's guarantee is +20% attributed Klaviyo revenue within 90 days or it works free until that is achieved. Red flag: a verbal promise of "big growth".
• How many new brands do you take per month? Acceptable: a stated cap. Blossom's is 4 new partner brands per month.

What do the first 90 days look like, and how is it reported?

• What happens first? Acceptable: an audit of your account before any build. Blossom offers a free 5-area Klaviyo audit in 3 to 5 business days. For the first quarter, industry guidance prioritizes flow gaps, popup capture and engaged segmentation. That guidance does not establish a typical revenue-lift percentage, so be wary of any agency quoting one before seeing your account.
• How is revenue reported? Acceptable: Klaviyo-attributed revenue split between flows and campaigns, with revenue per recipient and the attribution window stated. Klaviyo's 2026 benchmarks put flows at about 41% of email revenue from 5.3% of sends, and flow revenue per recipient at $1.94 against $0.11 for campaigns.
• Which deliverability numbers do you watch? Acceptable: inbox placement above 95%, bounces under 0.5%, spam complaints under 0.03% and unsubscribes under 0.2% per send, per Klaviyo's benchmark guidance.
• How do I exit? Acceptable: month-to-month terms, and you own the Klaviyo account, flows and templates at all times.

Who should you hire?

Do it yourself if your budget is under $2,000 per month and you have time to learn Klaviyo. Start with welcome, cart abandonment and browse abandonment flows, using Klaviyo's own templates.

Hire a freelancer if you need one or two flows built or a one-off redesign, not an ongoing program.

Hire an agency if you want flows, campaigns and SMS run together, with reporting and a written guarantee. Browse case studies, then apply to partner with Blossom.