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Mastering your external services with freelancers & IT services companies

Nexoris supports Key Accounts and mid-market companies in structuring, securing and steering their external services, with a compliant contractual framework and a streamlined supplier relationship.

A trusted partner
for large enterprises

Since 2010, Nexoris has supported large organizations in managing their external services. We facilitate collaboration between clients, IT services companies and freelancers within a compliant, smooth and secure framework.

Access to freelance & partner IT services company expertise

Finance, banking, insurance, IT, data, projects.

Payroll Management Services

Core business and compliance pillar.

Third Parties Umbrella Services

Operated by our dedicated entity Nexoris Portage.

Trusted by industry leaders

La Poste
Banque Postale
HSBC
CCF
Matmut
Natixis
Groupe BPCE
TotalEnergies
Groupama
RATP
Agirc-Arrco
Covéa
Samsung
CNP Assurances
Finastra
Malakoff Humanis
M6
Edenred
Abeille Assurances
Betclic
Egis
FDJ
Suez
La Poste
Banque Postale
HSBC
CCF
Matmut
Natixis
Groupe BPCE
TotalEnergies
Groupama
RATP
Agirc-Arrco
Covéa
Samsung
CNP Assurances
Finastra
Malakoff Humanis
M6
Edenred
Abeille Assurances
Betclic
Egis
FDJ
Suez

Our solutions

Talent Sourcing: freelancers & partner IT services companies

Tap into a structured network of independent consultants and niche-expert IT services companies to reinforce your business, project, IT and Data teams.

  • Freelancers: PM/PMO, BA, compliance experts, risk, operations, data & AI, cybersecurity, developers, product management, agile coaches.
  • Partner IT services companies: ERP/CRM, cloud, infrastructure, production, cybersecurity, procurement and supply chain.

Payroll Management Services

Engage non-vendor freelancers or IT services companies within a fully controlled contractual, administrative and financial framework.

Ideal for:

  • sensitive projects
  • urgent missions
  • non-listed providers
  • high-compliance needs

Third Parties Umbrella Services

For freelancers without their own legal entity who want a secure status, fully compliant with French labor law and including all employee protections.

Why large enterprises choose Nexoris

Nexoris helps large enterprises work with the right external providers in a clear, compliant and easy-to-manage framework.

Procurement compliance

Nexoris secures the contractual, administrative and documentary steps required to work with freelancers, IT services companies or partner consultancies.

Access to a qualified talent pool

Nexoris mobilizes a network of independent consultants, IT services companies and consultancies to quickly identify profiles suited to business, IT, data, finance or compliance needs.

Payroll management services

Nexoris enables a non-listed provider to deliver work within a controlled framework, without multiplying direct suppliers on the client side.

Reduced supplier risk

Nexoris centralizes the mission framework, documents, contractual exchanges and invoicing flows to simplify external provider management.

Testimonials from our clients

Bruno Alexandrian, Head of Finance and Risk Project Use Cases — BPCE

For our expertise needs on bank refinancing and Alteryx development topics, Nexoris quickly identified rare profiles aligned with our business environment. We particularly appreciated the team's responsiveness and the precision of targeting against our priorities.

Bruno Alexandrian,
Head of Finance and Risk Project Use Cases — BPCE

Key figures

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Consultants indépendants

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ESN partenaires

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Chiffre d'affaires 2025

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Collaborateurs en France

IT services companies & consultancies: your dedicated space is on Nexoris.partners

Nexoris.com is intended for Key Accounts & mid-market companies. To access dedicated services (freelancer access, Payroll Management Services, Third Parties Umbrella Services, bench placement):

You are

Key Account or mid-market?

Rely on a trusted partner to secure your services and quickly mobilize the right expertise.

You are

Freelancer?

Find missions or access Third Parties Umbrella Services through our dedicated platforms.

You are

Partner IT services company?

Access a structured ecosystem to grow your services, secure your contracts and accelerate delivery.

Our insights, analyses and lessons learned

A curated selection of analyses and lessons learned on managing external services.

Nexoris legratin rapprochement
NEWS

October 6, 2025

Nexoris + LeGratin: an alliance to strengthen brokering between freelancers, IT Services Companies and Key Accounts

Nexoris and LeGratin announce their strategic alliance Nexoris and LeGratin, two recognized players in brokering professional services, are announcing a

Read the article
Article_Iref_Bird_Reporting_Bancaire
NEWS

April 14, 2025

IReF & BIRD: a new step in harmonizing regulatory reporting in Europe

The European regulatory framework continues to evolve with the emergence of two major initiatives led by the Eurosystem and the European Central Bank (ECB):

Read the article
Conformité banque
TESTIMONIALS

October 13, 2022

Compliance: how to manage vulnerable clients within financial institutions?

Today Nexoris is hosting Xavier Loiseau, a consultant specialized in compliance, who will walk us through a topical issue. Nexoris : Hello Xavier Loiseau,

Read the article
Portage commercial grands compte administratif
PORTAGE COMMERCIAL

October 3, 2022

How to relieve your teams from supplier administrative monitoring?

Payroll Management Services is a solution designed to meet large groups' need for flexibility and speed when sourcing the external resources required to

Read the article
portage commercial consultant nexoris
PORTAGE COMMERCIAL

August 8, 2022

Everything you need to know about Payroll Management Services

Often confused with umbrella services, Payroll Management Services has its own logic and rules. Often confused with Third Parties Umbrella Services, Payroll

Read the article
Secteur adapté esn
NEWS

May 27, 2021

How does using sheltered-sector services help Key Accounts deliver on their CSR commitments?

Two sheltered-sector leaders explain how this can support Key Accounts CSR commitments. To answer this question we spoke with two specialists, leaders of

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Frequently asked questions

Here are answers to the main questions you may have:

Payroll Management Services and Third Parties Umbrella Services are two very different activities sometimes confused due to the similarity of their names. Payroll Management Services organize how a client company engages a non-listed supplier outside its procurement panel through a Payroll Management Services company that contracts with both parties: the client company under its master agreement to deliver the service, and the non-listed supplier acting as a subcontractor of the Payroll Management Services company.

Nexoris

Client

Payroll Management Services contract

Payroll Management Services company

Subcontracting agreement

Non-listed provider (IT Services Company, Consulting firm, Freelancer, Umbrella employee).