Company lists · Data refreshed September 2026

Top 25 Audit and tax services based in Türkiye

RevenueBase identified 460 company matches for audit and tax services associated with Türkiye as of September 2026 and tracks 6,943 professional contacts across them, including 1,148 with verified work emails. Istanbul is the largest hub.

This list covers company matches for audit and tax services associated with Türkiye, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 21, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Sep 21, 2026 How this list was built
460Companies
6,943Contacts tracked
1,148Verified emails
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The 25 largest audit and tax services based in Türkiye

Ranked by team size
Top 25 of 460 company matches for audit and tax services based in Türkiye, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchIstanbul, TürkiyeHQ recorded Sep 21, 20261,001-5,0001,592 contacts →

Exact match

“KPMG Türkiye, lokal ve uluslararası tüm müşterilerinin ihtiyaçlarına cevap vermek adına geleneksel denetim ve uygunluk denetimi anlayışını genişleterek, firmaya ve endüstriye özel…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchIstanbul, TürkiyeHQ recorded Sep 21, 2026201-500390 contacts →

Exact match

“BDO Türkiye is an audit and consultancy firm offering professional services in Audit & Assurance, Tax, Social Security, Accounting and Advisory service lines.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchİstanbul, TürkiyeHQ recorded Sep 21, 202651-20093 contacts →

Exact match

“Vergi, Denetim, Danışmanlık”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchİstanbul, TürkiyeHQ recorded Sep 21, 202651-20081 contacts →

Exact match

“AS/Nexia Turkey is a professional auditing and consultancy company serving the leading firms in Turkey by giving independent auditing, financial advisory,full…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchIstanbul, TürkiyeHQ recorded Sep 21, 202651-20063 contacts →

Exact match

“Moore Türkiye; ülkemizin çeşitli sektörlerinde faaliyet gösteren öncü kuruluşlarına, Dünya çapında önde gelen birçok uluslararası şirketin Türkiye organizasyonlarına ve…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchÇankaya, TürkiyeHQ recorded Sep 21, 202651-20055 contacts →

Exact match

“Since 1998, Güncel Group has delivered high-level independent audit, tax assurance, corporate valuation, and strategic consulting to publicly traded corporations, holdings…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchAnkara, TürkiyeHQ recorded Sep 21, 202651-20054 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchKağıthane, TürkiyeHQ recorded Sep 21, 202651-20053 contacts →

Exact match

“Universal Partners; hızlı, güçlü ve çözüm odaklı yaklaşımıyla #denetim #vergi #arge #turquality #yonetimdanismanligi konularında hizmet vermektedir.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchIstanbul, TürkiyeHQ recorded Sep 21, 2026n/a45 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchSariyer, TürkiyeHQ recorded Sep 21, 202651-20039 contacts →

Exact match

“PKF Turkey was established in 2005 in Istanbul.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchİzmir, TürkiyeHQ recorded Sep 21, 202611-5037 contacts →

Exact match

“Çözüm Ünlüer Bağımsız Denetim ve Yeminli Mali Müşavirlik A.Ş.| Nexia International Izmir Office | nexia.com • Bağımsız Denetim • Tam Tasdik Hizmeti • Katma Değer Vergisi İadesi •…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchİçerenköy, TürkiyeHQ recorded Sep 21, 202651-20032 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchOsmangazi, TürkiyeHQ recorded Sep 21, 202651-20028 contacts →

Exact match

“Bağımsız Denetim Nexia Bursa; Kadrosundaki tecrübeli denetçilerden oluşan denetim ekipleriyle, Sermaye Piyasası Mevzuatına tabi kurum ve kuruluşların, Enerji Piyasasında faaliyet…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact match19 Mayis, TürkiyeHQ recorded Sep 21, 202651-20028 contacts →

Exact match

“Kreston ATA International Audit Company has been operating in Turkey as a member of Kreston International.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchKadıköy, TürkiyeHQ recorded Sep 21, 202611-5027 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchBakırköy, TürkiyeHQ recorded Sep 21, 202611-5026 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchİstanbul, TürkiyeHQ recorded Sep 21, 202651-20025 contacts →

Exact match

“Granit 1991 yılında Yönetim Danışmanlığı alanında faaliyetlerine başlayan şirketimiz, 1998 yılından itibaren 3568 sayılı yasa kapsamında tescil edilen GRANİT SERBEST MUHASEBECİ…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchİçerenköy, TürkiyeHQ recorded Sep 21, 20261-1024 contacts →

Exact match

“We are a medium-sized auditing and advisory firm.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchİstanbul, TürkiyeHQ recorded Sep 21, 202611-5022 contacts →

Exact match

“ARSEN, denetim, muhasebe, vergi ve danışmanlık alanlarında hizmet veren bir kuruluştur.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchİstanbul, TürkiyeHQ recorded Sep 21, 202611-5021 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchİstanbul, TürkiyeHQ recorded Sep 21, 202611-5017 contacts →

Exact match

“Türkiye'de 2003 yılında başlattığımız faaliyetlerimize, bugün İstanbul'da bulunan merkez ofisimizde, konusunda deneyimli ve uzmanlaşmış kadromuzla, sektör odaklı ve müşterilerine…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchİstanbul, TürkiyeHQ recorded Sep 21, 202611-5015 contacts →

Exact match

“Optimum Denetim 2011 yılında kurulmuştur.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchSisli, TürkiyeHQ recorded Sep 21, 202651-20014 contacts →

Exact match

“Consulta Grubu, hizmet alanlarına göre kurumsal yapılanmasını oluşturmuş beş şirketten oluşmaktadır.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchİstanbul, TürkiyeHQ recorded Sep 21, 202611-5014 contacts →

Exact match

“DENETIM TURKEY, which has been established for the purposes of the development of the knowledge and application of modern business administration in the areas of Tax, Accounting…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchİçerenköy, TürkiyeHQ recorded Sep 21, 202611-5014 contacts →

Exact match

“We are a medium-sized auditing, accounting and consultancy firm.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 460 audit and tax services based in Türkiye

See the full list, filter by size, metro and specialty, and access 1,148 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Audit and tax services based in Türkiye at a glance

As of Sep 21, 2026
16.5%Verified-email coverage
15.1Average contacts per company
1-10Median size (employees)
30.9%Largest-city concentration · Istanbul
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
250
11-50
172
51-200
27
201-500
6
1,001-5,000
1
5,001-10,000
2

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 460 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Türkiye whose business descriptions match “audit and tax services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 1,148 professional contacts with verified work emails across the full matched dataset. 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 21, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Audit and tax services by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “audit and tax services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many audit and tax services are there based in Türkiye?

RevenueBase identified 460 company matches for audit and tax services associated with Türkiye as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Kpmg Türkiye tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most audit and tax services?

Istanbul leads with 142 company records, followed by Ankara (40) and Atasehir (19).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,148 professional contacts with verified work emails tracked across these 460 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 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 SmartSearch, 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.