Company lists · Data refreshed September 2026
Top 15 Transaction processing outsourcing consultants based in France
RevenueBase identified 35 transaction processing outsourcing consultants headquartered in France as of September 2026 and tracks 627 professional contacts across them, including 230 with verified work emails. Paris is the largest hub.
This list covers transaction processing outsourcing consultants headquartered in France, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 15 largest transaction processing outsourcing consultants based in France
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 263 contacts → | ||||
Indirect evidence “We support financial institutions, merchants and payment industry players in transforming their payment services to make them simple, efficient and secure in everyday life.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 78 contacts → | ||||
Indirect evidence “Founded in 2001, Oaklen Consulting is an independent consulting and auditing firm specialising in payments.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 60 contacts → | ||||
Indirect evidence “PARTELYA Consulting est une entreprise de conseil spécialisée dans la Monétique et les Moyens de Paiement basée en Ile de France.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 33 contacts → | ||||
Partial evidence “SYRTALS was founded in 1997 by a team of consultants in the payments industry and cash management.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 5 contacts → | ||||
Indirect evidence “Vous recherchez des profils spécialisés en monétique pour réaliser des missions en régie ou au forfait ou bien renforcer votre équipe pour prendre en charge un projet lié aux…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 4 contacts → | ||||
Indirect evidence “Société de Conseil spécialisée en management et Systèmes d'Information - domaine bancaire - échanges Banques/Entreprises - flux bancaires et financiers (SWIFT, TARGET2, SEPA)…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 4 contacts → | ||||
Indirect evidence “Accompagner et aider nos Clients à relever les nouveaux challenges dans le domaine du paiement et des nouvelles technologies sont les objectifs d’AO CONCEPT.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 4 contacts → | ||||
Indirect evidence “OMEGA CONNECT a été créée dans le prolongement d'OMEGA WEB pour réunir toutes les expertises de nos équipes tournées vers l'externalisation de la relation clients et du traitement…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 3 contacts → | ||||
Indirect evidence “GROLLE SERVICES is a financial services company based out of 7 RUE JACQUARD, CHASSIEU, France.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 2 contacts → | ||||
Indirect evidence “White'In est un cabinet de conseil indépendant spécialisé dans les domaines de la monétique, des moyens de paiement, du e-commerce et des parcours clients jusqu’à l’encaissement.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 2 contacts → | ||||
Indirect evidence “FINAE CONSEIL est un cabinet de conseil spécialisé dans le domaine des Moyens de paiements, du SEPA et du Cash Management.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 2 contacts → | ||||
Indirect evidence “HART GROUP est une société de conseil regroupant des experts métiers spécialisés sur les secteurs: • Paiements et Cash Management • Gestion de trésorerie • Monétique • Trade…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 1 contacts → | ||||
Indirect evidence “IziSanté propose un service d'externalisation de la gestion du tiers-payant pour les opticiens.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 1 contacts → | ||||
Indirect evidence “Our expert team can help your business on all dimensions of payments- Optimize Payment Cost - On average our clients are saving 17% on their monthly payment bills - Optimize…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 1 contacts → | ||||
Indirect evidence “Hi, we are GatePay.fr!” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: transaction processing outsourcing consultants. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names transaction processing outsourcing consultants.
- Partial evidence
- Its own public description names part of transaction processing outsourcing consultants, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name transaction processing outsourcing consultants. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 15 of 35 transaction processing outsourcing consultants based in France
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 230 reachable decision-makers.
Free signup · no credit card
Transaction processing outsourcing consultants based in France at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for France, so it is reported there. Company counts and contact totals on this page are exact for France, over 35 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among transaction processing outsourcing consultants, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in France whose own description of what they do matches “transaction processing outsourcing consultants”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names transaction processing outsourcing consultants), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among transaction processing outsourcing consultants, and records with no verified work email. Companies headquartered outside France are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 230 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names transaction processing outsourcing consultants, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many transaction processing outsourcing consultants are there based in France?
RevenueBase identified 35 transaction processing outsourcing consultants headquartered in France as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Galitt, headquartered in Paris, tops this list with the largest team on record.
Which city has the most transaction processing outsourcing consultants?
Paris leads with 13 headquartered companies, followed by Courbevoie (2) and Issy-Les-Moulineaux (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 230 verified decision-maker contacts tracked across these 35 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 35 transaction processing outsourcing consultants based in France. Start with a free account, no credit card.
Download this list →Related lists
Transaction processing outsourcing consultants by geography
- Transaction processing outsourcing consultants based in Sao Paulo, Brazil
- Transaction processing outsourcing consultants based in London, United Kingdom
- Transaction processing outsourcing consultants based in Brazil
- Transaction processing outsourcing consultants based in Canada
- Transaction processing outsourcing consultants based in Germany
- Transaction processing outsourcing consultants based in India
- Transaction processing outsourcing consultants based in Italy
- Transaction processing outsourcing consultants based in the United Kingdom
- Transaction processing outsourcing consultants based in the United States
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Transaction processing outsourcing consultants based in Sao Paulo, Brazil
- Transaction processing outsourcing consultants based in London, United Kingdom
- Transaction processing outsourcing consultants based in Brazil
- Transaction processing outsourcing consultants based in Canada
- Transaction processing outsourcing consultants based in Germany
- Transaction processing outsourcing consultants based in India