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Openmost SARL

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Matomo consultant, trainer and technical expert

Openmost is a specialist Matomo agency combining strong technical expertise with ethical, privacy-first analytics. Based in Nantes since 2017, they help companies turn Matomo into a powerful and compliant analytics solution.


Implementation partner


France


EnglishFrench



Overview

Why Openmost Stands Out

At Openmost, our work is built on a core principle: respect for user privacy. Since the beginning, I’ve made ethical analytics the foundation of everything we do. We don’t push tracking for the sake of tracking — we implement Matomo in a way that’s fully aligned with GDPR and e-Privacy, because powerful insights should never come at the expense of individual rights.

Over the years, I’ve built a team that speaks both marketing and technical languages. Whether you’re a developer, marketer, or data strategist, we adapt to your context and provide clear, actionable solutions — never jargon. With years of hands-on experience with Matomo, we’ve gained a level of maturity that goes beyond configuration: we develop plugins, build themes, offer training, and contribute actively to the Matomo community.


What We Offer

Openmost is not just a consulting agency — we’re a complete ecosystem dedicated to Matomo. We design tools, maintain infrastructures, and train your teams so they can work independently and confidently.

We host and maintain Matomo for companies of all sizes, from simple setups to complex multi-server environments. We also conduct detailed technical audits to improve performance, security, and data accuracy.

To help you collect better data, we create tagging plans, configure e-commerce tracking, and build dashboards tailored to your teams. If you’re moving away from another platform, we manage data migrations to ensure you keep the value of your historical analytics.

For ongoing needs, our premium support service offers fast troubleshooting, security checks, and configuration validation in safe environments. And because autonomy matters, our training programs allow marketers, developers, and product teams to become efficient Matomo users in just one day.


Our Tooling Ecosystem

Beyond services, I’ve always believed in creating practical tools that make Matomo more powerful. That’s why we’ve developed a full suite of extensions and utilities.

We created the Tag Manager Extended plugin with more than 20 ready-to-use tag and variable templates. Our ChatGPT integration and MCP Server bring AI into analytics, helping you obtain insights and interact with your data conversationally.

We also provide URL builders for campaign tracking and the reporting API, making daily analytics work easier. Our custom themes — including dark mode, a Google Analytics–style interface, and our own Openmost theme — help teams work in a more pleasant visual environment.

For advanced integrations, we support WordPress (via Site Kit), Nuxt, and BigQuery export for data warehousing.


Our Mission, Values & Culture

Openmost was created with a clear mission: build analytics that respect people. For us, data is not simply a business asset — it’s tied to the rights and freedoms of users. This philosophy guides our work, our tools, and the way we collaborate.

We believe in sharing knowledge and contributing to the open-source ecosystem. Many of our tools are free because they serve the community as much as our clients.

We also work collaboratively: if you already have a marketing or tech agency, we adapt to your structure and blend naturally with your existing processes.


In Short

Openmost is more than a Matomo agency — it's the result of years of experience, conviction, and passion for ethical analytics. We combine technical excellence, real-world marketing understanding, and a strong commitment to open source. If you want to unlock the full potential of Matomo without compromising privacy, I’m confident we can be the partner you can rely on.

Business type: Implementation partner
Country: France
Languages fluency (native): EnglishFrench
Services Offered: Implementation & SetupCustom Tracking & TaggingDashboarding & ReportingAnalytics Strategy & ConsultingPrivacy, Compliance & Data GovernanceSupport & MaintenanceTraining & Capacity BuildingHosting & Infrastructure ManagementLocalization & Regional Expertise

Openmost

Phone

+33630346339

Website

https://openmost.io

Headquarters

Nantes (France)

Year Founded

2017

Description
I am a french web developer and expert in web audience analysis (Matomo and Google services). An active member of the Matomo community, I have built numerous solutions to make Matomo simpler and more complete for my customers.


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