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What does Marketing Hub Professional add over Starter, and what does it cost a four-person team in year one?

Verified 28 September 2026 · SaaS COMPASS

Summary

Starter caps email automation at 10 actions, enough for a basic thank-you-and-follow-up sequence. Professional adds smarter forms, conditional routing, multiple domains, and six times the monthly AI allowance, but it changes the pricing model from a per-seat fee to a $800 monthly base that includes three seats, plus a required $3,000 onboarding charge. For a four-person team, that's about $13,140 in the first year, against $960 for four Starter seats at the base price.

What Starter covers

Starter is priced per seat. New customers can get it for $7 a month billed annually or $10 billed monthly for a limited time, and the base price is $20. It includes 1,000 marketing contacts, removes HubSpot branding, and lets you send five times your contact tier in email each month, which is 5,000 sends at the entry tier.

Email automation tops out at 10 automated actions (the free plan gets one). A download form that sends a thank-you email, follows up with a case study three days later, and invites the reader to a webinar a week after that uses three of them. Build the same flow for three or four different downloads and the ceiling arrives quickly.

What Professional adds

Forms get progressive profiling, which swaps in new questions for fields a visitor has already answered, along with AI-powered form shortening and conditional routing. Multisites lets you run a core domain plus up to nine more root domains from one account. Breeze Assistant can summarize campaign performance, a feature reserved for Professional and Enterprise, and the monthly HubSpot Credits allowance rises from 500 to 3,000. The plan includes three Core Seats and 2,000 marketing contacts.

The first-year math for four people

HubSpot's Professional card shows two prices, $800 and $890 a month, depending on how you pay. Using the lower one:

  • Base fee with three seats: $800 a month
  • Fourth seat: additional Core Seats start at $45 a month
  • Twelve months: $845 × 12 = $10,140
  • Required one-time Professional Onboarding: $3,000
  • First year: $13,140

Four Starter seats at the $20 base price come to $960 for the year, or $336 at the $7 promotional rate. Because the extra seat is listed as "start at $45," the exact seat price comes from the quote.

Every edition lets you buy more marketing contacts at any time, but the pricing page doesn't list the rate. What happens to the Starter bill at contact number 1,001 is worked through in our HubSpot versus monday.com comparison.

Sources

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