First, a disclosure you should weigh: we are AhaSend, we are one of the providers on this list, and we obviously want you to pick us. A vendor writing "best of" about its own market is right to be met with suspicion. So this article does two things to earn your trust anyway: every claim about every provider comes from that provider's own website or documentation, checked in August 2026 with a changelog at the bottom, and we say plainly where our competitors beat us. If we got a fact wrong, tell us and we will correct it and log the correction.
Why "European" is the requirement, and what it actually means
If you found this page, you probably already have the reason: a customer's security review asked where your email data goes, a DPIA stalled on your subprocessor list, or you are building your stack European from the start. What matters is that "European" is doing precise work in your search, and most providers answer a different question than the one you are asking.
Data residency is geography. Jurisdiction is law. An American provider with an EU region stores your data in Frankfurt, but the company remains subject to US law, and the US CLOUD Act reaches data controlled by American companies regardless of where the servers sit. If your requirement is "no US jurisdiction in the chain", an EU region of a US company does not meet it. If your requirement is only "data stored in the EU", it might.
That distinction sorts this market into three groups, and being honest about which group a provider belongs to is most of the value of this article:
- European ownership and European hosting. No non-EU parent, data at rest in the EU/EEA.
- European parent, with caveats. The ultimate owner is European, but the operating entity or part of the data flow is not.
- US companies with an EU region. Fine for residency, no answer to jurisdiction. SendGrid, Postmark, Resend and Amazon SES live here; they are good products and they are not what this article is about.
The comparison at a glance
All facts from the providers' own sites, August 2026. Corrections welcome.
| Provider | Ownership | Email data at rest | ISO 27001 | Entry price |
|---|---|---|---|---|
| AhaSend | Founder-owned B.V. | EU/EEA | In progress, audit September 2026 | Free 1,000/mo, paid from €9 |
| Brevo | French SAS, founder-led, minority US investors | France and Germany | Yes | Free 300/day, from $9/mo |
| Scaleway TEM | iliad Group | France only | Yes | 300 free, then €0.25 per 1,000 |
| Lettermint | Founder-owned B.V. | EU | Yes | Free 300/mo, from €10/mo |
| Sweego | Mindbaz group | France | Not stated | Free 100/day |
| Spotler SendPro | Spotler Group | EU | Yes | From €105/mo, annual quote |
| Mailjet | Sinch (Sweden) | EU | Yes | Free 6,000/mo, from $9/mo |
| Mailgun EU | Sinch, US operating entity | Messages EU; account data replicated globally | Yes (via Sinch) | From $15/mo |
Now the part a table can't do: who each one is actually for.
Best for transactional email: AhaSend
Our own category, so hold us to the same standard as everyone else.
The case for us: we do one thing. Transactional-only sending on our own infrastructure in EU/EEA datacenters, our own ASN, no hyperscaler underneath and a subprocessor list of three (Hetzner, DA International, Blix), published in the DPA. Delivery to Gmail in under 2 seconds at the 99th percentile. Per-message retention control down to zero, so content need never be stored. Sub Accounts give each of your customers a fully isolated sending identity, which is why platforms and SaaS builders are most of our base. The free tier is 1,000 emails a month without a card, and paid starts at €9.
The case against us, because you would find it anyway: our ISO 27001 certificate does not exist yet; the audit is in September 2026, and until it is issued almost everyone else on this list is ahead of us on that line. Our Campaign Builder for newsletters and campaigns is live as an early-access MVP and launches in the coming weeks, so if you need a mature marketing suite today, Brevo or Mailjet is the safer pick. And we are a small team; you get an engineer when you write in, but you are not buying a thousand-person support organisation.
Choose AhaSend if the email your product sends is the email your product depends on, and you want the shortest possible subprocessor answer in your next security review.
Best if you want marketing and transactional in one: Brevo
Brevo is the biggest genuinely European name in the market: a French SAS, founder-led, with the full suite around the API, campaigns, automation, CRM. Transactional email is included in every plan rather than sold separately, data sits in France and Germany, and ISO 27001 is in place. The trade-off is the mirror of ours: you are buying a large platform in which the transactional API is one feature among many, and volume is pooled with your marketing sending, which is precisely the reputation-mixing we advise against on one domain. Check the pricing against your volume too: the entry plans are cheap, but plan prices climb quickly from there (Professional starts at $499 a month for 150,000 emails), so at real transactional volume the per-1,000 comparison matters. One footnote we enjoyed: their own legal notice lists their website hosts as two California companies. That is the corporate website, not your email data, but it shows how hard full separation is even for the committed.
Best if you live in the Scaleway ecosystem: Scaleway TEM
iliad Group, France-only hosting, ISO 27001:2022, and aggressively simple pricing at €0.25 per 1,000 after the free 300. If your stack already runs on Scaleway, TEM is the shortest path to European email. Two limits to know before you commit: messages via the API are capped at 2 MB including attachments, which is not upgradable and rules out most invoice-PDF use cases over the API, and a dedicated IP requires the €80/month Scale plan.
Best small independent: Lettermint
The provider most like us, so read this as one honest competitor describing another. Dutch, founder-owned, no investors, and the most radical hosting stance on this list: no US cloud anywhere in the platform. It runs on Finnish provider UpCloud. If you you are comfortable with a new product, they deserve your shortlist. Yes, we just recommended a direct competitor. The market for leaving US email infrastructure is much bigger than either of us.
The middle case: Mailjet and Mailgun
Both belong to Sinch, which is Swedish, so "American" is factually wrong here, and we would rather be precise than convenient. But European parent does not mean the same thing for both.
Mailjet is EU-hosted with ISO 27001 and a generous free tier of 6,000 a month; the honest caveat is that it is one brand inside a large group, under a group DPA.
Mailgun is the sharper case: message data in its EU region genuinely stays in the EU, but the operating entity is a US subsidiary, and Mailgun's own regions page states that account information, API keys and domain names are replicated globally. Whether that passes your review depends on whether your requirement is about message content or about the whole chain. Read their regions page and decide; that is not a question we can answer for you.
How to run this decision
Three questions cut through most of it. Who is the ultimate owner, and under which law do they answer? Where does every copy of a message rest, including logs and backups, not just the sending path? And can you verify it: is there a signable DPA, a public subprocessor list, a certificate you can download? Any provider on this list will answer those in a sales call. The ones to worry about are the ones whose answers you can only find in this article.
If you are leaving one of the US incumbents, our migration guide covers the order of operations, and the short version is: subdomain per mail stream, warm up gradually, run old and new in parallel until every domain is verified.
Frequently asked questions
Is an EU region from SendGrid, Postmark or Amazon SES "European email"? It is European data residency. It is not European jurisdiction: the operating company remains subject to US law, including the CLOUD Act, wherever the servers are. Whether that matters depends on which question your customers and reviewers are asking. Increasingly, they ask about jurisdiction.
Do any of these run on their own infrastructure rather than a US hyperscaler? AhaSend (own hardware and ASN in EU/EEA datacenters) and Lettermint (European clouds only, no US providers) are the two on this list that make that claim explicitly. For the others, check the subprocessor list; several EU-hosted products run on Google Cloud or AWS EU regions.
Is Mailchimp European? Is Mailgun American? Mailchimp is American (Intuit). Mailgun's parent Sinch is Swedish, but Mailgun's operating entity is a US subsidiary and account data replicates globally.