When your marketplace grows faster than your team

Seller onboarding (KYB), peak activity, dispute management, 24/7 multilingual support... We handle the full operational complexity of your marketplace. You stay focused on growth.

management costs
- 0 %

On average, across marketplace operational management.

languages
0 +

To support your sellers and buyers across the world.

average onboarding
0 h

To efficiently onboard new sellers onto your marketplace.

contact volume
+ 0 %

Handled during commercial peaks: sales, Black Friday, seller acquisition campaigns.

Managing a marketplace is not like managing a standard e-commerce operation

Coordinating hundreds of merchants and thousands of buyers requires constant responsiveness. An unresolved issue does not just cost you one sale: it undermines trust across your entire ecosystem.

The day-to-day challenges we take off your plate

Engaged sellers, a dynamic catalogue

Attracting sellers is step one. Supporting them through to their first sale, and beyond, is what makes the difference.

The challenge: A well-supported seller is an active seller. Active sellers mean a richer, more attractive catalogue, and a marketplace that thrives.

Resolving customer disputes fast

Missing parcels, non-compliant products, contested returns... Without a quick response, everyday friction escalates.

The challenge: A poorly handled dispute can cost you two customers at once: the disappointed buyer and the frustrated seller.

Scaling your marketplace internationally

An international marketplace is not just a collection of countries. It is one model deployed across multiple markets.

The challenge: Delivering a consistent experience for sellers and buyers, while keeping operations lean and efficient.

Staying compliant in a constantly evolving legal environment

GDPR, Digital Services Act, anti-counterfeiting... Obligations keep multiplying and growing more complex.

The challenge: Compliance is a permanent risk you cannot afford to overlook due to lack of resources.

Retaining your top sellers

Your best sellers drive your growth, and are also the most actively courted by competitors.

The challenge: Convincing key sellers to maintain and animate a rich, essential offering on your marketplace.

Absorbing peaks without compromising quality

Sales events, Black Friday, launches... When activity spikes, your teams saturate. Response times stretch. Service quality drops.

The challenge: Every minute of delay during a peak is a sale going to a more reactive competitor.

These challenges are ones we know inside out. And we know how to turn them into competitive advantages for your marketplace.

How leading marketplaces scale without saturating their teams

Hiring takes time. Training too. That is why we have built 6 operational pillars, tested and validated by Europe’s largest marketplaces.

01

Seller Activation

From registration to first sale in 48 hours

Full seller onboarding support and KYB validation

Personalised training on your tools (catalogue, logistics, payments)

Responsive support to immediately unblock technical questions

Moderation: automated offer validation for fast deployment

02

Dispute Management

Fast resolution, reputation protected

Intake and qualification of requests (buyers and sellers)

Impartial mediation based strictly on your marketplace rulebook

Standardised processes to ensure fairness and speed

Smart escalation to your teams for complex cases

03

International

Local teams serving global expertise

25+ European languages handled by native speakers

Omnichannel support (phone, email, chat, social media)

24/7 coverage across all time zones

Deep knowledge of cultural and regulatory specificities

04

Compliance

Regulatory peace of mind

Continuous monitoring of suspicious activity (fraud, counterfeiting)

Strict application of GDPR and the Digital Services Act (DSA)

Rigorous KYB processes for identity verification

Ongoing regulatory monitoring to keep your processes up to date

05

Flexibility

Absorb peaks, stress-free

Ultra-fast ramp-up capacity

Dedicated teams already trained on your specific tools

Flexible contracts: pay for what you use

Quality maintained (guaranteed SLAs) even under peak pressure

06

Retention

Your top sellers become brand ambassadors

Priority support with dedicated advisors

Proactive coaching on their performance (analytics, recommendations)

Early detection of churn signals

Retention programme with regular, structured communication

Turn your marketplace into a high-performing, reliable, scalable ecosystem. Let’s talk, no commitment required.

They chose to grow without sacrificing customer experience

Successful marketplaces do not try to handle everything in-house. They delegate their operational complexity to specialists, so they can stay focused on what matters: their product and their strategy.

Why Europe's fast-growing marketplaces choose Armatis

30 years of experience serving retail and e-commerce leaders.

Marketplace expertise

Teams trained in the specificities of multi-vendor platforms

Deep knowledge of Mirakl, Shopify Markets and WooCommerce ecosystems

Proven processes: seller onboarding, dispute mediation, compliance

Permanent regulatory watch on DSA and GDPR developments

International coverage

Tech-enabled approach

Certifications

What if your marketplace finally grew without friction?

Multi-vendor management, dispute handling, peak activity… These barriers to your growth can become a thing of the past. Let’s talk through your challenges. No commitment, no sales jargon.

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or by mail to the following address: Armatis – DPO Department – 4bis, rue des Pâtures, 75016 Paris. You also have the right to file a complaint with the French Data Protection Authority (CNIL).

International coverage

200+ experts dedicated to your performance
1

Dedicated team

Advisors trained exclusively on your marketplace
2

White label

Your customers see only you, fully integrated
3

Full visibility

Track everything in real time from your personalised dashboard
4

Guaranteed SLAs

Contractual commitments on turnaround times, even during peaks

Armatis manages the full operational cycle of your marketplace: seller onboarding and activation, offer and product listing moderation, buyer/seller dispute management, and omnichannel customer support.

Armatis operates across all types of marketplaces: large generalist platforms, sector-specific marketplaces, and proprietary marketplaces developed in-house by our clients.

Our teams are sized ahead of critical periods to absorb volumes without any service disruption. You have no recruitment or training to manage: Armatis takes care of it all.

Outsourcing with Armatis means reducing fixed costs, gaining immediate access to expert teams, and staying focused on the growth of your platform. We handle the operations so you can concentrate on what matters most.

Black Friday, holidays, sales, or unexpected peaks: Armatis helps you manage critical volumes, adapt your resources, and maintain customer quality.

Join the leaders who trust our multilingual and technological expertise.