Company lists · Data refreshed September 2026

Top 25 Tax services firms based in Türkiye

RevenueBase identified 198 tax services firms headquartered in Türkiye as of September 2026 and tracks 1,138 professional contacts across them, including 127 with verified work emails. Istanbul is the largest hub.

This list covers tax services firms headquartered in Türkiye, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 22, 2026 86% judged on-target in blind review
198Companies
1,138Contacts tracked
127Verified emails
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The 25 largest tax services firms based in Türkiye

Ranked by team size
Top 25 of 198 tax services firms based in Türkiye, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to tax services firms: 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 evidenceAnkara, TürkiyeHQ checked Sep 22, 202651-20054 contacts →

Indirect evidence

“Vezin Yeminli Mali Müşavirlik A.Ş, uzun yıllar kamudan sonra özel sektörde Yeminli Mali Müşavirlik ve üst düzey yöneticilik yapmış Hesap Uzmanları tarafından kurulmuş olup, şirket…”

Source: RevenueBase Database · checked Sep 22, 2026
2Indirect evidenceIstanbul, TürkiyeHQ checked Sep 22, 2026n/a45 contacts →

Indirect evidence

“Rödl & Partner Nürnberg merkezli Hukuk, Vergi Danışmanlığı, Mali Müşavirlik, Yönetim/IT Danışmanlığı ve Denetim alanlarında 50 ülkede 107 farklı lokasyonda yaklaşık 5260 çalışanı…”

Source: RevenueBase Database · checked Sep 22, 2026
3Indirect evidenceİçerenköy, TürkiyeHQ checked Sep 22, 202651-20032 contacts →

Indirect evidence

“İtimat Global kurumsal hizmet ağının nüvesini oluşturan İtimat Bağımsız Denetim A.Ş.”

Source: RevenueBase Database · checked Sep 22, 2026
4Indirect evidenceKadıköy, TürkiyeHQ checked Sep 22, 202611-5027 contacts →

Indirect evidence

“Çeşitli sektörlerde yer alan şirketlerin muhasebe, finans, denetim ve insan kaynakları departmanlarında çalışmış, 2004 yılından itibaren özellikle Teknoloji Geliştirme…”

Source: RevenueBase Database · checked Sep 22, 2026
5Indirect evidenceBakırköy, TürkiyeHQ checked Sep 22, 202611-5026 contacts →

Indirect evidence

“Yeminli Mali Müşavirliğimiz ulusal ve uluslararası firmalara vergi, finans ve yönetim danışmanlığı hizmetleri vermekte olup, ayrıca yasaların yeminli mali müşavirlere verdiği…”

Source: RevenueBase Database · checked Sep 22, 2026
6Indirect evidenceŞişli, TürkiyeHQ checked Sep 22, 202651-20022 contacts →

Indirect evidence

“Member of ECOVIS International.”

Source: RevenueBase Database · checked Sep 22, 2026
7Indirect evidenceİstanbul, TürkiyeHQ checked Sep 22, 202611-5021 contacts →

Indirect evidence

“3568 sayılı Kanun kapsamında, vergi mükelleflerine YMM, finansal danışmanlık, teşvik süreçleri, raporlama, mevzuatın öngördüğü özel nitelikli doğrulama, tespit, değerleme…”

Source: RevenueBase Database · checked Sep 22, 2026
8Strong evidenceAtasehir, TürkiyeHQ checked Sep 22, 202611-5014 contacts →

Strong evidence

“Andersen in Turkey: Trusted Tax, Audit & Advisory for Confident Growth Andersen in Turkey helps Turkish and international businesses navigate tax, audit, accounting, and advisory…”

Source: RevenueBase Database · checked Sep 22, 2026
9Indirect evidenceSisli, TürkiyeHQ checked Sep 22, 20261-1013 contacts →

Indirect evidence

“Beykent Vergi Denetim Danışmanlık ve Mali Müşavirlik (Beykent Danışmanlık) KDV iade hizmetleri, vergi denetimi ve danışmanlığı, vergi uyuşmazlıkları, bağımsız denetim, yönetim…”

Source: RevenueBase Database · checked Sep 22, 2026
10Strong evidenceKonak, TürkiyeHQ checked Sep 22, 202611-5011 contacts →

Strong evidence

“TCS Lydia (A member of TCS Global) provides tax services (Tax management and accounting, transfer pricing, legal services), audit & assurance services (Independent auditing, IFRS…”

Source: RevenueBase Database · checked Sep 22, 2026
11Indirect evidenceIstanbul, TürkiyeHQ checked Sep 22, 202611-5010 contacts →

Indirect evidence

“ASİL Denetim Vergi ve Danışmanlık konusunda tecrübeli birikimiyle yararlı hizmetler vermektedir.”

Source: RevenueBase Database · checked Sep 22, 2026
12Indirect evidenceIstanbul, TürkiyeHQ checked Sep 22, 202611-509 contacts →

Indirect evidence

“Kapsam YMM,1995 yılından bu yana tecrübeli uzman kadrosuyla Mali Müşavirlik, İç Denetim, Vergi Denetim, Planlama, Danışmanlığı hizmetleri vermektedir.”

Source: RevenueBase Database · checked Sep 22, 2026
13Indirect evidenceIstanbul, TürkiyeHQ checked Sep 22, 202611-509 contacts →

Indirect evidence

“KRK Partners olarak esas amacımız, toplumda güven oluşturarak, paydaşlarımızın önemli sorunlarına çözüm üreterek, sürdürülebilir işletme olmalarını sağlamaktır.”

Source: RevenueBase Database · checked Sep 22, 2026
14Indirect evidenceTaksim Beyoğlu, TürkiyeHQ checked Sep 22, 20261-109 contacts →

Indirect evidence

“Neden Accounting & Finance?”

Source: RevenueBase Database · checked Sep 22, 2026
15Indirect evidenceİstanbul, TürkiyeHQ checked Sep 22, 20261-108 contacts →

Indirect evidence

“Hakkımızda; Mefa Muhasebe olarak 2010 senesinde Türkiye'nin ve dünyanın önde gelen firmalarına muhasebe, bordro ve danışmanlık hizmetleri vermek üzere kurulduk.”

Source: RevenueBase Database · checked Sep 22, 2026
16Strong evidenceAnkara, TürkiyeHQ checked Sep 22, 20261-107 contacts →

Strong evidence

Tax / Accounting / Consultancy”

Source: RevenueBase Database · checked Sep 22, 2026
17Indirect evidenceSarıyer, TürkiyeHQ checked Sep 22, 202651-2007 contacts →

Indirect evidence

“Zeren Mali Müşavirlik Hizmetleri olarak, 1973’ten bu yana; sektörünün lideri olan ulusal ve uluslararası birçok şirkete vergi, sgk, danışmanlık, denetim ve raporlama gibi birçok…”

Source: RevenueBase Database · checked Sep 22, 2026
18Indirect evidenceAtaşehir, TürkiyeHQ checked Sep 22, 20261-106 contacts →

Indirect evidence

“Mükellefler, ekonomik ve ticari faaliyetleri süresince karşılaştıkları risk ve beklenmeyen kamusal uyum maliyetlerini optimal ve öngörülebilir tutmak için üst düzey bir vergi…”

Source: RevenueBase Database · checked Sep 22, 2026
19Indirect evidenceBuyukcekmece, TürkiyeHQ checked Sep 22, 202611-506 contacts →

Indirect evidence

“Vergi Denetimi Denetim Finansal Danışmanlık Finansal Hizmetler”

Source: RevenueBase Database · checked Sep 22, 2026
20Indirect evidenceKadıköy, TürkiyeHQ checked Sep 22, 202611-505 contacts →

Indirect evidence

“As Çınar Audit, we guide our local and foreign clients to take firm steps in the business world and achieve sustainable growth.”

Source: RevenueBase Database · checked Sep 22, 2026
21Indirect evidenceSeyhan, TürkiyeHQ checked Sep 22, 20261-105 contacts →

Indirect evidence

“Vergi denetim ve danışmanlık hizmeti vermekteyim.”

Source: RevenueBase Database · checked Sep 22, 2026
22Strong evidenceYda Center Dumlupınar Bulvarı No:9 A Blok Kat:20 D:763 Çukurambar, TürkiyeHQ checked Sep 22, 20261-104 contacts →

Strong evidence

“Vergi, Denetim, Danışmanlık Hizmetleri Tax, Audit, Advisory Services”

Source: RevenueBase Database · checked Sep 22, 2026
23Indirect evidenceAnkara, TürkiyeHQ checked Sep 22, 202611-504 contacts →

Indirect evidence

“Since 1994 Mert CPA Ltd.”

Source: RevenueBase Database · checked Sep 22, 2026
24Indirect evidenceIstanbul, TürkiyeHQ checked Sep 22, 202611-504 contacts →

Indirect evidence

“Can Bağımsız Denetim ve Yeminli Mali Müşavirlik Anonim Şirketi (YMM A.Ş.) Maliyet Muhasebesi, Finansal Raporlama, Bütçeleme, Denetim, Vergi ve Sigorta Danışmanlığı, Şirket Kuruluş…”

Source: RevenueBase Database · checked Sep 22, 2026
25Indirect evidenceKartal, TürkiyeHQ checked Sep 22, 20261-104 contacts →

Indirect evidence

“CYC Değer Mali Müşavirlik ve Denetim Hizmetleri olarak sayfamızda vergi mevzuatı sosyal güvenlik mevzuatı ve diğer ekonomi ve mali konular hakkında sizlere bilgilendirme yapacağız.”

Source: RevenueBase Database · checked Sep 22, 2026

Showing 25 of 198 tax services firms based in Türkiye

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Tax services firms based in Türkiye at a glance

As of Sep 22, 2026
11.2%Verified-email coverage
5.7Average contacts per company
1-10Median size (employees)
27.8%Largest-city concentration · Istanbul
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
121
11-50
64
51-200
7
201-500
2
5,001-10,000
1

Email recency for this list is measured worldwide rather than for Türkiye, so it is reported there. Company counts and contact totals on this page are exact for Türkiye, over 198 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 tax services firms, 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 Türkiye whose own description of what they do matches “tax services firms”. 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 tax services firms), 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 tax services firms, and records with no verified work email. Companies headquartered outside Türkiye 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, 127 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.

Tax services firms by metro

  • Tax services firms in Istanbul55

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 tax services firms, 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 tax services firms are there based in Türkiye?

RevenueBase identified 198 tax services firms headquartered in Türkiye 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?

Vezin TAX Audit Advisory, headquartered in Ankara, tops this list with the largest team on record.

Which city has the most tax services firms?

Istanbul leads with 55 headquartered companies, followed by Ankara (15) and Atasehir (12).

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 127 verified decision-maker contacts tracked across these 198 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.