Company lists · Data refreshed September 2026

Top 25 Cost optimization service providers based in Paris, France

RevenueBase identified 248 cost optimization service providers headquartered in Paris, France as of September 2026 and tracks 2,231 professional contacts across them, including 976 with verified work emails. Paris is the largest hub.

This list covers cost optimization service providers headquartered in Paris, 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 19, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review
248Companies
2,231Contacts tracked
976Verified emails
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The 25 largest cost optimization service providers based in Paris, France

Ranked by team size
Top 25 of 248 cost optimization service providers based in Paris, France, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to cost optimization service providers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceParis, FranceHQ checked Sep 19, 2026201-500232 contacts →

Indirect evidence

“Business At Work is a management and information systems consultancy company offering a range of services entirely focused towards the optimisation of the internal functions of…”

Source: RevenueBase Database · checked Sep 19, 2026
2Indirect evidenceParis, FranceHQ checked Sep 19, 2026201-500215 contacts →

Indirect evidence

“PeersGroup est un cabinet de conseil en Management spécialisé en Performance Opérationnelle.”

Source: RevenueBase Database · checked Sep 19, 2026
3Indirect evidenceParis, FranceHQ checked Sep 19, 202651-200206 contacts →

Indirect evidence

“MeltOne is a consulting firm specialized in Organization and Solution Integration that helps companies and their employees in journey toward their transformation.”

Source: RevenueBase Database · checked Sep 19, 2026
4Indirect evidenceParis, FranceHQ checked Sep 19, 202651-200132 contacts →

Indirect evidence

“Rhapsodies Conseil est un cabinet de conseil reconnu pour son indépendance.”

Source: RevenueBase Database · checked Sep 19, 2026
5Indirect evidenceParis, FranceHQ checked Sep 19, 2026201-500116 contacts →

Indirect evidence

“Du conseil opérationnel à l’exécution, Adjuvoo accompagne les entreprises dans l’optimisation et la sécurisation de leurs fonctions supports.”

Source: RevenueBase Database · checked Sep 19, 2026
6Indirect evidenceParis, FranceHQ checked Sep 19, 202651-200102 contacts →

Indirect evidence

“Depuis sa création en 2012, Spartes s’est imposé comme un cabinet de conseil engagé de premier plan, spécialisé dans l’optimisation des performances RH et Finance des entreprises.”

Source: RevenueBase Database · checked Sep 19, 2026
7Indirect evidenceParis, FranceHQ checked Sep 19, 202651-20098 contacts →

Indirect evidence

“elyadata unites the power of scientific expertise and business acumen to crack the code of data transformation.”

Source: RevenueBase Database · checked Sep 19, 2026
8Indirect evidenceParis, FranceHQ checked Sep 19, 2026201-50071 contacts →

Indirect evidence

“Avec une dizaine d’années cumulées en cabinet de conseil, nous avons pour ambition de faciliter la relation entre les Consultants, les clients et le cabinet.”

Source: RevenueBase Database · checked Sep 19, 2026
9Indirect evidenceParis, FranceHQ checked Sep 19, 202611-5066 contacts →

Indirect evidence

“Management Consultants | Business Transformers | Efficiency driven.”

Source: RevenueBase Database · checked Sep 19, 2026
10Indirect evidenceParis, FranceHQ checked Sep 19, 202611-5055 contacts →

Indirect evidence

“NRJBI est le résultat de 25 ans d’expérience dans le BI et l’informatique.”

Source: RevenueBase Database · checked Sep 19, 2026
11Indirect evidenceParis, FranceHQ checked Sep 19, 202611-5049 contacts →

Indirect evidence

“SMALL est le premier cabinet de conseil en organisation et management en France à s’être créé comme société à mission.”

Source: RevenueBase Database · checked Sep 19, 2026
12Indirect evidenceParis, FranceHQ checked Sep 19, 202611-5047 contacts →

Indirect evidence

“Créé en 2020, OneHive est un cabinet de conseil dédié à la transformation digitale des processus de pilotage, de planification et d’optimisation pour une prise de décision agile…”

Source: RevenueBase Database · checked Sep 19, 2026
13Indirect evidenceParis, FranceHQ checked Sep 19, 202611-5039 contacts →

Indirect evidence

“Cosma Experts est le spécialiste français de l'optimisation des coûts des PME, ETI et grandes entreprises.”

Source: RevenueBase Database · checked Sep 19, 2026
14Indirect evidenceParis, FranceHQ checked Sep 19, 202611-5032 contacts →

Indirect evidence

“Ressource Consulting est un cabinet de conseil opérationnel, spécialiste des achats et de l’optimisation des coûts.”

Source: RevenueBase Database · checked Sep 19, 2026
15Indirect evidenceParis, FranceHQ checked Sep 19, 202651-20026 contacts →

Indirect evidence

“Depuis sa création en 2007, ANDEX vous accompagne dans votre quête d’alignement stratégique du système d’information.”

Source: RevenueBase Database · checked Sep 19, 2026
16Indirect evidenceParis, FranceHQ checked Sep 19, 202651-20026 contacts →

Indirect evidence

“eXalt Value est la filiale du groupe de conseil IT eXalt qui accompagne les entreprises dans l'exploitation et la valorisation de leurs data.”

Source: RevenueBase Database · checked Sep 19, 2026
17Indirect evidenceParis, FranceHQ checked Sep 19, 202611-5024 contacts →

Indirect evidence

“Bilink, is expert in the field of Business Intelligence.”

Source: RevenueBase Database · checked Sep 19, 2026
18Indirect evidenceParis, FranceHQ checked Sep 19, 2026201-50024 contacts →

Indirect evidence

“Data Reply is the Reply group company offering a broad range of analytics and data processing services.”

Source: RevenueBase Database · checked Sep 19, 2026
19Indirect evidenceParis, FranceHQ checked Sep 19, 202611-5021 contacts →

Indirect evidence

“Limpida est un cabinet de conseil Data & IA.”

Source: RevenueBase Database · checked Sep 19, 2026
20Indirect evidenceParis, FranceHQ checked Sep 19, 20261-1020 contacts →

Indirect evidence

“Theoma vous débarrasse des sujets chronophages afin de vous laisser vous concentrer sur votre activité.”

Source: RevenueBase Database · checked Sep 19, 2026
21Indirect evidenceParis, FranceHQ checked Sep 19, 202651-20019 contacts →

Indirect evidence

“Since 2008, Amontech, a company of the Artemys Group, has been supporting businesses in their organizational, digital, and strategic transformations.”

Source: RevenueBase Database · checked Sep 19, 2026
22Indirect evidenceParis, FranceHQ checked Sep 19, 202611-5017 contacts →

Indirect evidence

“BCD Conseils intervient auprès des PME, ETI et Grands Comptes, dans le cadre de missions de Conseil opérationnel et organisationnel - Optimisation des Charges Sociales, de la…”

Source: RevenueBase Database · checked Sep 19, 2026
23Indirect evidenceParis, FranceHQ checked Sep 19, 202611-5017 contacts →

Indirect evidence

“Iniwave is a growing consulting company created in 2020 by 3 ERP experts.”

Source: RevenueBase Database · checked Sep 19, 2026
24Indirect evidenceParis, FranceHQ checked Sep 19, 2026201-50017 contacts →

Indirect evidence

“Solution BI is a service and consulting company specializing in the fields of analytics, finance and business transformation, with a single mission: performance.”

Source: RevenueBase Database · checked Sep 19, 2026
25Indirect evidenceParis, FranceHQ checked Sep 19, 20261-1015 contacts →

Indirect evidence

“Mageia Partners is a new generation consulting firm serving financial departments.”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 248 cost optimization service providers based in Paris, France

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Cost optimization service providers based in Paris, France at a glance

As of Sep 19, 2026
43.7%Verified-email coverage
9.0Average contacts per company
1-10Median size (employees)
100.0%Largest-city concentration · Paris
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
183
11-50
45
51-200
12
201-500
6
501-1,000
1

Email recency for this list is measured across the whole France list rather than for Paris, so it is reported there. Company counts and contact totals on this page are exact for Paris, over 248 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 cost optimization service providers, 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 Paris, France whose own description of what they do matches “cost optimization service providers”. 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 cost optimization service providers), 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 cost optimization service providers, and records with no verified work email. Companies headquartered outside Paris 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, 976 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 19, 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.

Cost optimization service providers by metro in France

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 cost optimization service providers, 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 cost optimization service providers are there based in Paris, France?

RevenueBase identified 248 cost optimization service providers headquartered in Paris, 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?

Business At Work, headquartered in Paris, tops this list with the largest team on record.

Which city has the most cost optimization service providers?

Paris leads with 248 headquartered companies, followed by Lyon (48) and Toulouse (25).

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 976 verified decision-maker contacts tracked across these 248 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 19, 2026.

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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.