Company lists · Data refreshed September 2026

Top 25 Tax advisory services companies based in Türkiye

RevenueBase identified 314 company matches for tax advisory services companies associated with Türkiye as of September 2026 and tracks 3,865 professional contacts across them, including 251 with verified work emails. Istanbul is the largest hub.

This list covers company matches for tax advisory services companies 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 22, 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 22, 2026 How this list was built
314Companies
3,865Contacts tracked
251Verified emails
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The 25 largest tax advisory services companies based in Türkiye

Ranked by team size
Top 25 of 314 company matches for tax advisory services companies based in Türkiye, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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 matchİstanbul, TürkiyeHQ recorded Sep 22, 202651-20093 contacts →

Exact match

“Vergi, Denetim, Danışmanlık”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2Exact matchBeşiktaş, TürkiyeHQ recorded Sep 22, 202651-20079 contacts →

Exact match

“Centrum is a multi-disciplinary firm providing advisory, corporate, tax, and ancillary services to a wide range of Turkish and international clients.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchÇankaya, TürkiyeHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
4Exact matchAnkara, TürkiyeHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
5Exact matchİzmir, TürkiyeHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
6Exact matchKadıköy, TürkiyeHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
7Exact matchİstanbul, TürkiyeHQ recorded Sep 22, 202611-5026 contacts →

Exact match

“Taurus provides high quality consultancy services at international standards in areas such as tax law, accounting legislation, payroll, mergers and acquisitions, social security…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchBakırköy, TürkiyeHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
9Exact matchŞişli, TürkiyeHQ recorded Sep 22, 202651-20022 contacts →

Exact match

“Member of ECOVIS International.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchİstanbul, TürkiyeHQ recorded Sep 22, 202611-5022 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchİstanbul, TürkiyeHQ recorded Sep 22, 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 22, 2026 · View company records in RevenueBase
12Exact matchEsentepe, TürkiyeHQ recorded Sep 22, 202611-5017 contacts →

Exact match

“ECOVIS DEGER was established under the supervision of former tax inspectors of the Ministry of Finance of Turkey in 1986, and has maintained its superior quality of service since…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchİstanbul, TürkiyeHQ recorded Sep 22, 202611-5015 contacts →

Exact match

“Optimum Denetim 2011 yılında kurulmuştur.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchAtasehir, TürkiyeHQ recorded Sep 22, 202611-5014 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchSisli, TürkiyeHQ recorded Sep 22, 20261-1013 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchBeşiktaş, TürkiyeHQ recorded Sep 22, 202611-5012 contacts →

Exact match

“Kaya & Bekler, üretim ve hizmet sektörleri başta olmak üzere, çeşitli kurumsal sektör işletmelerine bağımsız denetim, vergi danışmanlığı, tam tasdik, muhasebe ve hukuki…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchYenişehir, TürkiyeHQ recorded Sep 22, 20261-1012 contacts →

Exact match

“Based in Mersin, Turkey MersinCPA was founded in 2013 to offer accounting, financial consultancy, auditing, company formation, tax advisory and investment advisory services to the…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchİstanbul, TürkiyeHQ recorded Sep 22, 20261-1012 contacts →

Exact match

“Our firm, with more than 70 years of experience, is responsible for accounting and consultancy services for individual companies and capital companies from different sectors.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchKonak, TürkiyeHQ recorded Sep 22, 202611-5011 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchIstanbul, TürkiyeHQ recorded Sep 22, 202611-5010 contacts →

Exact match

“Level International is an international advisory firm focusing on the cross-border issues.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchIstanbul, TürkiyeHQ recorded Sep 22, 202611-509 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchIstanbul, TürkiyeHQ recorded Sep 22, 202611-509 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23Exact matchTaksim Beyoğlu, TürkiyeHQ recorded Sep 22, 20261-109 contacts →

Exact match

“Neden Accounting & Finance?”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24Exact matchIstanbul, TürkiyeHQ recorded Sep 22, 202611-509 contacts →

Exact match

“KILINÇ ADVISORY is a professional team that enables entities and individuals to effectively manage tax liabilities and cost with the services to provide.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchİstanbul, TürkiyeHQ recorded Sep 22, 20261-108 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 25 of 314 tax advisory services companies based in Türkiye

See the full list, filter by size, metro and specialty, and access 251 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tax advisory services companies based in Türkiye at a glance

As of Sep 22, 2026
6.5%Verified-email coverage
12.3Average contacts per company
1-10Median size (employees)
29.3%Largest-city concentration · Istanbul
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
194
11-50
100
51-200
13
201-500
3
1,001-5,000
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 314 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 “tax advisory services companies” 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 251 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 22, 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.

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 “tax advisory services companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tax advisory services companies are there based in Türkiye?

RevenueBase identified 314 company matches for tax advisory services companies 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?

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

Which city has the most tax advisory services companies?

Istanbul leads with 92 company records, followed by Ankara (25) and Atasehir (16).

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 251 professional contacts with verified work emails tracked across these 314 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 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 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.