Company lists · Data refreshed September 2026

Top 25 Nonprofit tax compliance firms based in Türkiye

RevenueBase identified 176 company matches for nonprofit tax compliance firms associated with Türkiye as of September 2026 and tracks 1,171 professional contacts across them, including 108 with verified work emails. Istanbul is the largest hub.

This list covers company matches for nonprofit tax compliance firms 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 20, 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 20, 2026 How this list was built
176Companies
1,171Contacts tracked
108Verified emails
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The 25 largest nonprofit tax compliance firms based in Türkiye

Ranked by team size
Top 25 of 176 company matches for nonprofit tax compliance firms based in Türkiye, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 matchÇankaya, TürkiyeHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
2Exact matchİstanbul, TürkiyeHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
3Exact matchİstanbul, TürkiyeHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
4Exact matchİstanbul, TürkiyeHQ recorded Sep 20, 202611-5015 contacts →

Exact match

“Optimum Denetim 2011 yılında kurulmuştur.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchSisli, TürkiyeHQ recorded Sep 20, 202651-20014 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchİstanbul, TürkiyeHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
7Exact matchAtasehir, TürkiyeHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
8Exact matchBeşiktaş, TürkiyeHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
9Exact matchIstanbul, TürkiyeHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
10Exact matchIstanbul, TürkiyeHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
11Exact matchTaksim Beyoğlu, TürkiyeHQ recorded Sep 20, 20261-109 contacts →

Exact match

“Neden Accounting & Finance?”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchKonak, TürkiyeHQ recorded Sep 20, 202611-508 contacts →

Exact match

“Mali danışman seçimine vereceğiniz önem; en az yeni yatırım alanları için vereceğiniz kararlar kadar önemlidir.” Ülkemizin sürekli içinde olduğu ekonomik, politik ve sosyal…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchŞirinevler -bahçeli̇evler, TürkiyeHQ recorded Sep 20, 202611-507 contacts →

Exact match

“ABC DENETİM, 2002 Yılında faaliyetine başlamıştır.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchIstanbul, TürkiyeHQ recorded Sep 20, 202611-507 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchAnkara, TürkiyeHQ recorded Sep 20, 20261-107 contacts →

Exact match

“Tax / Accounting / Consultancy”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchİstanbul, TürkiyeHQ recorded Sep 20, 202611-507 contacts →

Exact match

“Ofisimiz farklı ve kaliteli hizmet sunarak, müşteri memnuniyetini en yüksek düzeyde tutma anlayışıyla hareket eder.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchAtaşehir, TürkiyeHQ recorded Sep 20, 20261-106 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchİncek, TürkiyeHQ recorded Sep 20, 20261-106 contacts →

Exact match

“Seamark olarak güçlü bilgi birikimi ve derin endüstri uzmanlığına sahip profesyonellerden kurulu kadromuz ile özel, kamu ve sosyal sektörlerdeki kuruluşların kendileri için en…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchBuyukcekmece, TürkiyeHQ recorded Sep 20, 202611-506 contacts →

Exact match

“Vergi Denetimi Denetim Finansal Danışmanlık Finansal Hizmetler”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchKadıköy, TürkiyeHQ recorded Sep 20, 202611-505 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchBursa, TürkiyeHQ recorded Sep 20, 20261-105 contacts →

Exact match

“Vizyonumuz: Finansal kararları aydınlatarak ve optimize ederek iş dünyasının sürdürülebilir büyümesine katkı sağlamak.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchSeyhan, TürkiyeHQ recorded Sep 20, 20261-105 contacts →

Exact match

“Vergi denetim ve danışmanlık hizmeti vermekteyim.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchYda Center Dumlupınar Bulvarı No:9 A Blok Kat:20 D:763 Çukurambar, TürkiyeHQ recorded Sep 20, 20261-104 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchİstanbul, TürkiyeHQ recorded Sep 20, 202611-504 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchAnkara, TürkiyeHQ recorded Sep 20, 202611-504 contacts →

Exact match

“Since 1994 Mert CPA Ltd.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 176 nonprofit tax compliance firms based in Türkiye

See the full list, filter by size, metro and specialty, and access 108 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nonprofit tax compliance firms based in Türkiye at a glance

As of Sep 20, 2026
9.2%Verified-email coverage
6.7Average contacts per company
1-10Median size (employees)
29.0%Largest-city concentration · Istanbul
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
109
11-50
57
51-200
7
201-500
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 176 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 “nonprofit tax compliance firms” 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 108 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 20, 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 “nonprofit tax compliance firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nonprofit tax compliance firms are there based in Türkiye?

RevenueBase identified 176 company matches for nonprofit tax compliance firms 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?

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

Which city has the most nonprofit tax compliance firms?

Istanbul leads with 51 company records, followed by Ankara (14) and Atasehir (11).

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 108 professional contacts with verified work emails tracked across these 176 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 20, 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.