Company lists · Data refreshed September 2026

Top 25 Bpo accounting and tax services based in Italy

RevenueBase identified 620 bpo accounting and tax services headquartered in Italy as of September 2026 and tracks 2,840 professional contacts across them, including 744 with verified work emails and 95 with mobile numbers. Roma is the largest hub.

This list covers bpo accounting and tax services headquartered in Italy, 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 23, 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 23, 2026 86% judged on-target in blind review
620Companies
2,840Contacts tracked
744Verified emails
95Mobile numbers
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The 25 largest bpo accounting and tax services based in Italy

Ranked by team size
Top 25 of 620 bpo accounting and tax services based in Italy, ranked by team size, largest first. Data refreshed Sep 23, 2026. RevenueBase Smart Search rates how each company's information relates to bpo accounting and tax services: 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 evidenceMilano, ItalyHQ checked Sep 23, 2026201-500304 contacts →

Indirect evidence

“Zeta Service è specializzata in paghe e amministrazione del personale in outsourcing.”

Source: RevenueBase Database · checked Sep 23, 2026
2Indirect evidenceMilan, ItalyHQ checked Sep 23, 202651-20091 contacts →

Indirect evidence

“Servizi elaborazione paghe e di consulenza aziendale”

Source: RevenueBase Database · checked Sep 23, 2026
3Indirect evidenceBelluno, ItalyHQ checked Sep 23, 202651-20073 contacts →

Indirect evidence

“Dal 1973 noi di Feinar offriamo servizi paghe, contabilità e soluzioni informatiche ad ogni tipologia di azienda, dalla piccola e media impresa al grande gruppo industriale con la…”

Source: RevenueBase Database · checked Sep 23, 2026
4Indirect evidenceMilano, ItalyHQ checked Sep 23, 202651-20070 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 23, 2026
5Indirect evidenceAssago, ItalyHQ checked Sep 23, 202611-5044 contacts →

Indirect evidence

“Ancora presieduta dalla stessa famiglia fondatrice, P&S nasce da un processo di terziarizzazione del reparto amministrazione del personale della società Himont (Gruppo Montedison)…”

Source: RevenueBase Database · checked Sep 23, 2026
6Indirect evidenceMilano, ItalyHQ checked Sep 23, 202611-5037 contacts →

Indirect evidence

“Vanzetta & Associati was established as a professional boutique thanks to over 20-years of experience and intuition of the professional Mara Vanzetta, in partnership with other…”

Source: RevenueBase Database · checked Sep 23, 2026
7Indirect evidenceMilano, ItalyHQ checked Sep 23, 202651-20033 contacts →

Indirect evidence

“Guidato dai 3 partner, Edoardo Caravati, Piero Pagani, Filippo Caravati, lo Studio opera nel settore della consulenza Tributaria, Societaria, Aziendale e Contabile, con uffici in…”

Source: RevenueBase Database · checked Sep 23, 2026
8Indirect evidenceMilano, ItalyHQ checked Sep 23, 2026501-1,00033 contacts →

Indirect evidence

“F2A, leader nel panorama dei servizi integrati, del payroll, dell’amministrazione del personale e della contabilità.”

Source: RevenueBase Database · checked Sep 23, 2026
9Indirect evidenceLegnano, ItalyHQ checked Sep 23, 202611-5024 contacts →

Indirect evidence

“Uno spirito innovatore - La partnership con Sistemi Si-net è un’azienda informatica composta da esperti del settore e professionisti nel mondo dei dottori commercialisti e delle…”

Source: RevenueBase Database · checked Sep 23, 2026
10Indirect evidenceForlì, ItalyHQ checked Sep 23, 202651-20023 contacts →

Indirect evidence

“Confartigianato di Forlì Federimprese offre un servizio a 360° alle imprese, dalla consulenza fiscale e tributaria, alla gestione dei libri paga, dai rapporti con gli enti…”

Source: RevenueBase Database · checked Sep 23, 2026
11Indirect evidenceLissone, ItalyHQ checked Sep 23, 202611-5023 contacts →

Indirect evidence

“Lo Studio Professionale Associato Corti Fumagalli opera nel settore della consulenza tributaria, societaria, aziendale e contabile.”

Source: RevenueBase Database · checked Sep 23, 2026
12Partial evidenceMilan, ItalyHQ checked Sep 23, 202651-20021 contacts →

Partial evidence

“Consulting company established in early '90 by a group of managers ( former partners in main consulting international firms) dedicated to financial accounting services ( in or out…”

Source: RevenueBase Database · checked Sep 23, 2026
13Indirect evidenceSchio, ItalyHQ checked Sep 23, 202611-5020 contacts →

Indirect evidence

“Studio AUDAX nasce intorno ad un’idea molto chiara: mettere a disposizione le nostre conoscenze per aiutare gli imprenditori a far crescere e consolidare le loro imprese, aiutarli…”

Source: RevenueBase Database · checked Sep 23, 2026
14Indirect evidenceRoma, ItalyHQ checked Sep 23, 202611-5016 contacts →

Indirect evidence

“Consulenza aziendale e tributaria - Mergers & Acquisition - Consulenza del lavoro - Attività di outsourcing”

Source: RevenueBase Database · checked Sep 23, 2026
15Indirect evidenceMilano, ItalyHQ checked Sep 23, 202611-5015 contacts →

Indirect evidence

“GEPS Gestione Elaborazione Paghe Stipendi - SERVIZIO DI PAYROLL - Elaborazione Paghe Stipendi G.E.P.S.”

Source: RevenueBase Database · checked Sep 23, 2026
16Indirect evidenceVenafro, ItalyHQ checked Sep 23, 202611-5015 contacts →

Indirect evidence

“Il Commercialista Online non è una piattaforma automatica né un portale di marketing.”

Source: RevenueBase Database · checked Sep 23, 2026
17Indirect evidenceBari, ItalyHQ checked Sep 23, 202611-5013 contacts →

Indirect evidence

“consulenza aziendale, fiscale e societaria.”

Source: RevenueBase Database · checked Sep 23, 2026
18Indirect evidenceRome, ItalyHQ checked Sep 23, 202611-5012 contacts →

Indirect evidence

“Da oltre 40 anni accompagniamo le imprese con attenzione, cura e competenza.”

Source: RevenueBase Database · checked Sep 23, 2026
19Indirect evidenceConcorezzo, ItalyHQ checked Sep 23, 202611-5012 contacts →

Indirect evidence

“Fondato nel 1993 dai consulenti del lavoro Ruggero Besana e Stefano Lodi, la missione è quella di assistere piccole, medie e grandi aziende in materia di consulenza del lavoro…”

Source: RevenueBase Database · checked Sep 23, 2026
20Indirect evidenceCesena, ItalyHQ checked Sep 23, 202611-5011 contacts →

Indirect evidence

“Omnia è uno studio di consulenza e servizi aziendali nato a Cesena nel 1995.”

Source: RevenueBase Database · checked Sep 23, 2026
21Indirect evidenceLodi, ItalyHQ checked Sep 23, 202611-5010 contacts →

Indirect evidence

“Operiamo nel campo della consulenza alle imprese, imprenditori e professionisti vantando una consolidata esperienza nel settore.”

Source: RevenueBase Database · checked Sep 23, 2026
22Indirect evidenceBrembate, ItalyHQ checked Sep 23, 202611-5010 contacts →

Indirect evidence

“Offriamo servizi di contabilità e di consulenza, sempre al passo con le normative più recenti, progettati con il cliente e per il cliente.”

Source: RevenueBase Database · checked Sep 23, 2026
23Indirect evidenceFlorence, ItalyHQ checked Sep 23, 20261-1010 contacts →

Indirect evidence

“La società Sigma nasce nell’ intento di dare all’impresa tutto il supporto e gli strumenti utili alla gestione contabile e amministrativa dell’azienda stessa e aiutarla nella…”

Source: RevenueBase Database · checked Sep 23, 2026
24Indirect evidenceRimini, ItalyHQ checked Sep 23, 20261-109 contacts →

Indirect evidence

“IDEAPA srl si occupa dei servizi contabili, dei servizi di gestione delle risorse umane e della formazione e di filodirettocontabilità.”

Source: RevenueBase Database · checked Sep 23, 2026
25Indirect evidencePescara, ItalyHQ checked Sep 23, 202611-509 contacts →

Indirect evidence

“La Team Consulting è un'azienda di servizi specializzata nella gestione strategica delle risorse umane, nell'amministrazione del personale e nella gestione della contabilità…”

Source: RevenueBase Database · checked Sep 23, 2026

Showing 25 of 620 bpo accounting and tax services based in Italy

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Bpo accounting and tax services based in Italy at a glance

As of Sep 23, 2026
26.2%Verified-email coverage
3.3%Mobile-number coverage
4.6Average contacts per company
1-10Median size (employees)
5.8%Largest-city concentration · Roma
Sep 23, 2026Page data refreshed

Companies by employee count

1-10
404
11-50
180
51-200
25
201-500
3
501-1,000
2

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 25.0d

Company record updated

Median 88.0d

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 bpo accounting and tax services, 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 Italy whose own description of what they do matches “bpo accounting and tax services”. 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 bpo accounting and tax services), 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 bpo accounting and tax services, and records with no verified work email. Companies headquartered outside Italy 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, 744 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 23, 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 bpo accounting and tax services, 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 bpo accounting and tax services are there based in Italy?

RevenueBase identified 620 bpo accounting and tax services headquartered in Italy 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?

Zeta Service, headquartered in Milano Mi, tops this list with the largest team on record.

Which city has the most bpo accounting and tax services?

Roma leads with 36 headquartered companies, followed by Milano (27) and Milano Mi (17).

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 744 verified decision-maker contacts tracked across these 620 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 23, 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.