Company lists · Data refreshed September 2026
Top 24 Accounting and tax outsourcing companies based in Milan, Italy
RevenueBase identified 46 accounting and tax outsourcing companies headquartered in Milan, Italy as of September 2026 and tracks 359 professional contacts across them, including 193 with verified work emails. Milano is the largest hub.
This list covers accounting and tax outsourcing companies headquartered in Milan, 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 22, 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 24 largest accounting and tax outsourcing companies based in Milan, Italy
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 53 contacts → | ||||
Strong evidence “Spada Partners is an independent full-service Financial, Tax and Accounting Firm.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 2 | 28 contacts → | ||||
Partial evidence “Dal 1988, B&C Tax Studio Associato Tributario e Societario è attivo nel settore della consulenza fiscale e societaria, abbracciando tutti i settori delle imposte dirette e…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 3 | 25 contacts → | ||||
Indirect evidence “FAZZINI HOLZMILLER & PARTNERS è una firm di consulenza fiscale, aziendale e legale che opera a livello nazionale e internazionale.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 4 | 17 contacts → | ||||
Indirect evidence “Siamo una società di consulenza fiscale, aziendale e manageriale con sede principalmente a Milano - Torino - Cosenza.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 5 | 16 contacts → | ||||
Indirect evidence “Fidinam offre servizi di consulenza continuativa o una tantum ai propri clienti, persone fisiche o società, offrendo loro supporto e consulenza fiscale - domestica ed…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 6 | 15 contacts → | ||||
Indirect evidence “CLA è una Società tra Professionisti esperti in consulenza di bilancio, societaria e tributaria.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 7 | 14 contacts → | ||||
Partial evidence “Accounting Partners è nata nel 2005 per offrire l’opportunità di esternalizzare tutte le attività amministrative, contabili e di back office.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 8 | 13 contacts → | ||||
Indirect evidence “Merchants Square - Professionisti Associati Milanesi nasce dall'esperienza maturata da un team di professionisti, dottori commercialisti, revisori legali e consuenti del lavoro.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 9 | 12 contacts → | ||||
Indirect evidence “We believe in the undisputed potential of our clients.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 10 | 11 contacts → | ||||
Indirect evidence “FIRMALEX STP, società tra professionisti dottori commercialisti e consulenti del lavoro.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 11 | 10 contacts → | ||||
Strong evidence “Privately-owned accounting and auditing firm, specialised in assisting foreign investors in Italy by supplying accounting, tax, payroll, reporting - and, in general…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 12 | 9 contacts → | ||||
Partial evidence “Piacentini & Associati is a tax advisor and accountancy firm founded in 1993 in Milan, a short walk from the Duomo.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 13 | 6 contacts → | ||||
Partial evidence “Il tuo contabile è il servizio di contabilità in outsourcing pensato per i commercialisti che vogliono focalizzarsi sulle attività a valore aggiunto e risparmiare tempo e costi…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 14 | 6 contacts → | ||||
Indirect evidence “Lo studio commercialista del Ragioniere Cesare Orlandelli è attivo nel cuore di Milano dal Il Rag.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 15 | 5 contacts → | ||||
Partial evidence “Tax Bridge nasce dall'idea che le esigenze aziendali siano cambiate negli anni e oggi non sia più sufficiente un', ma per sia indispensabile avere un che porti non solo alla dei…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 16 | 4 contacts → | ||||
Indirect evidence “Newton Services Srl è uno studio di consulenza fiscale, contabile e strategica con sede a Milano.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 17 | 4 contacts → | ||||
Indirect evidence “Ellequadra è uno studio contabile situato a Milano, in posizione centrale a pochi passi da Piazza del Duomo.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 18 | 4 contacts → | ||||
Indirect evidence “Lo Studio Bottero svolge un'attivita' di consulenza fiscale, societaria, del lavoro e del contenzioso tributario per:> società appartenenti a gruppi internazionali;> PMI e star up…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 19 | 3 contacts → | ||||
Indirect evidence “Lo Studio assiste i propri clienti con consulenze e soluzioni operative che comprendono sia gli aspetti di carattere tributario e contabile, sia il profilo legale, garantendo un…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 20 | 3 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 21 | 2 contacts → | ||||
Indirect evidence “Servizi di consulenza fiscale, tributaria, contabile e societaria” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 22 | 1 contacts → | ||||
Indirect evidence “Longo & Partners STP è uno Studio di Dottori Commercialisti con sede a Milano, specializzato in consulenza fiscale, tributaria, societaria e strategica a supporto di imprese e…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 23 | 1 contacts → | ||||
Indirect evidence “Consulenza Tributaria Societaria Revisione Legale” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 24 | 1 contacts → | ||||
Indirect evidence “Da oltre 20 anni, Studio Simonetta si prende cura della contabilità - in regime ordinario, semplificato o forfettario - di liberi professionisti, piccole, medie e grandi imprese.” Source: RevenueBase Database · checked Sep 22, 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: accounting and tax outsourcing companies. 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 accounting and tax outsourcing companies.
- Partial evidence
- Its own public description names part of accounting and tax outsourcing companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name accounting and tax outsourcing companies. 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 24 of 46 accounting and tax outsourcing companies based in Milan, Italy
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Accounting and tax outsourcing companies based in Milan, Italy at a glance
As of Sep 22, 2026Companies by employee count
Email recency for this list is measured across the whole Italy list rather than for Milan, so it is reported there. Company counts and contact totals on this page are exact for Milan, over 46 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 accounting and tax outsourcing companies, 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 Milan, Italy whose own description of what they do matches “accounting and tax outsourcing companies”. 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 accounting and tax outsourcing companies), 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 accounting and tax outsourcing companies, and records with no verified work email. Companies headquartered outside Milan 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, 193 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 22, 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.
Accounting and tax outsourcing companies by metro in Italy
- Accounting and tax outsourcing companies in Milano101
- Accounting and tax outsourcing companies in Roma87
- Accounting and tax outsourcing companies in Milan46
- Accounting and tax outsourcing companies in Rome40
- Accounting and tax outsourcing companies in Bologna35
- Accounting and tax outsourcing companies in Torino35
- Accounting and tax outsourcing companies in Milano Mi33
- Accounting and tax outsourcing companies in Bergamo25
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 accounting and tax outsourcing companies, 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 accounting and tax outsourcing companies are there based in Milan, Italy?
RevenueBase identified 46 accounting and tax outsourcing companies headquartered in Milan, 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?
Spada Partners, headquartered in Milan, tops this list with the largest team on record.
Which city has the most accounting and tax outsourcing companies?
Milano leads with 101 headquartered companies, followed by Roma (87) and Milan (46).
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 193 verified decision-maker contacts tracked across these 46 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 22, 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.
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