Mailjet SAS

France · owned by Sinch AB (Sweden) · mailjet.com · 15 vendors

Mailjet is a cloud-based email delivery and marketing platform that enables businesses to send transactional and marketing emails at scale. It provides tools for email campaign creation, automation, real-time analytics, and SMTP relay services. Mailjet is a subsidiary of Sinch AB, a global cloud communications company, following its acquisition through the Pathwire acquisition in 2021.

Resilience scores

Technology vendors

Services catalogue

9 services in catalogue across 3 categories; runs on 15 sub-vendors.

Insights

Last updated 2026-05-02 · revision 2

15 direct vendors, 235 subvendors

Direct vendors by controlling owner country (sample)

Subvendors by controlling owner country (sample)

Migration Readiness: 9/10

Assessed by AI based on technology stack characteristics (cloud-native vs legacy, containerization, microservices), regulatory environment, data residency requirements, financial stability, and vendor lock-in risks. The score ranges from 0-10, where higher scores indicate better readiness for technology migration.

Mailjet exhibits high migration readiness due to its modern and flexible technological foundation. The internal tech stack, featuring Python, Go, Node.js, React, and a REST API Architecture, is inherently cloud-native and modular, making it highly adaptable for migration to new environments or platforms. The explicit mention of 'Cloud-Based SaaS Architecture' further reinforces its readiness for cloud-centric migrations. Mailjet's extensive use of APIs (Email API, Parse API, RESTful API) and webhook-based event processing indicates a loosely coupled system, which simplifies the process of re-platforming or re-hosting components. The company's robust regulatory compliance framework (GDPR, HIPAA, SOC 2 Type 2, ISO 27001, PCI DSS, NIS2) and its ability to manage data residency requirements mean that while compliance considerations will be critical during migration, Mailjet already possesses the necessary expertise and processes to address them effectively. The strong financial backing from its parent company, Sinch, ensures that resources would be available to fund any significant migration efforts. Although 'Vendor Lock-in Risk' is unknown, the inferred diversity of vendors (20 services from 5 unique countries) suggests a lower risk of being heavily tied to a single or few critical vendors, which would otherwise complicate migration. The primary challenge during migration would be meticulously maintaining compliance across numerous regulations and ensuring data residency requirements are continuously met, but Mailjet's existing capabilities in these areas position it well to manage these complexities.

Compliance

4 in-scope frameworks identified; showing 3.

SOC 2 (source) — Assessment Required

As a cloud-based email service provider, SOC2 compliance is highly relevant for customer trust and enterprise sales. While not legally mandatory, it's a market requirement for B2B SaaS providers. Risk is medium as lack of SOC2 can impact business growth but doesn't carry legal penalties.

ISO 27001 (source) — Assessment Required

ISO 27001 is not legally mandatory but is a market expectation for email service providers handling sensitive data. Risk is medium as lack of certification can impact competitive positioning and enterprise sales, but doesn't carry legal penalties.

GDPR (source) — Assessment Required

GDPR is mandatory for all EU companies processing personal data. As a French email service provider, Mailjet processes extensive personal data (email addresses, contact information, behavioral data). Non-compliance carries severe penalties up to 4% of annual turnover or €20M. Email marketing services are high-risk for GDPR violations due to consent requirements and data processing volumes.

Financials

Three-year financials

Financial Resilience Score: 4/10

Mailjet SAS is a private French company (SAS legal structure) and as such is subject to limited financial disclosure requirements. No verified financial statements, revenue figures, EBIT, or equity data were successfully retrieved from the research attempt described in the report. The research process failed to surface any concrete financial data, indicating either non-public filings, restricted access to French commercial registry (Infogreffe/Pappers) data, or the company's financials being consolidated under a parent entity (Mailgun/Sinch AB, which acquired Mailjet). Mailjet was acquired by Mailgun Technologies in 2019, and Mailgun was subsequently acquired by Sinch AB (a Swedish publicly listed company) in 2021. This means Mailjet's standalone financials are likely consolidated into Sinch AB's group accounts and not separately disclosed in a meaningful way. This corporate structure significantly limits the ability to assess Mailjet SAS as a standalone financial entity. From a business perspective, Mailjet operates in the competitive email delivery and marketing platform space, competing with SendGrid (Twilio), Brevo (formerly Sendinblue), and Postmark. Being part of the Sinch group provides financial backing and stability, but also means the entity itself may carry intercompany dependencies. The resilience score of 4 reflects the complete absence of verifiable standalone financial data rather than a negative assessment of the underlying business. Risk factors include the inability to independently verify solvency, profitability, or growth trajectory of the SAS entity, reliance on parent group support, and competitive pressure in the email API/marketing platform market. Without audited standalone financials, no meaningful financial resilience assessment can be made with confidence.

Key strengths: Part of Sinch AB group (publicly listed Swedish parent), providing financial backing, Established brand in European email delivery/marketing platform market, Recurring SaaS/API revenue model typical of email service providers, Acquired by Mailgun in 2019, then Sinch AB in 2021 — indicates strategic value

Risk factors: No standalone financial data available — complete opacity on revenue, profitability, and equity, Financials likely consolidated into Sinch AB group accounts, limiting independent assessment, Highly competitive email delivery market (Twilio SendGrid, Brevo, Postmark, Amazon SES), Dependency on parent group for capital and strategic direction, Research attempt failed to retrieve any verified financial figures

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