Company lists · Data refreshed September 2026

Top 17 Accounting compliance outsourcing companies based in Türkiye

RevenueBase identified 130 accounting compliance outsourcing companies headquartered in Türkiye as of September 2026 and tracks 739 professional contacts across them, including 61 with verified work emails. Istanbul is the largest hub.

This list covers accounting compliance outsourcing companies 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 27, 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 27, 2026 86% judged on-target in blind review
130Companies
739Contacts tracked
61Verified emails
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The 17 largest accounting compliance outsourcing companies based in Türkiye

Ranked by team size
Top 17 of 130 accounting compliance outsourcing companies based in Türkiye, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to accounting compliance outsourcing companies: 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 evidenceİstanbul, TürkiyeHQ checked Sep 27, 202651-20093 contacts →

Indirect evidence

“Vergi, Denetim, Danışmanlık”

Source: RevenueBase Database · checked Sep 27, 2026
2Indirect evidenceAnkara, TürkiyeHQ checked Sep 27, 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 27, 2026
3Partial evidenceAnkara, TürkiyeHQ checked Sep 27, 202611-5014 contacts →

Partial evidence

“Accounthink (Mali Bakış is a professional outsourcing and advisory company based in Ankara since 23.09.2010 with professional team specialized in foreign companies with “big four”…”

Source: RevenueBase Database · checked Sep 27, 2026
4Partial evidenceİçerenköy, TürkiyeHQ checked Sep 27, 202611-5014 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
5Indirect evidenceBeşiktaş, TürkiyeHQ checked Sep 27, 202611-5012 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
6Partial evidenceSarıyer, TürkiyeHQ checked Sep 27, 202611-509 contacts →

Partial evidence

“CPA International Turkey (founded 2022) delivers tax, accounting, audit and consultancy services focused on accurate, timely financial information to support management decisions…”

Source: RevenueBase Database · checked Sep 27, 2026
7Indirect evidenceIstanbul, TürkiyeHQ checked Sep 27, 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 27, 2026
8Indirect evidenceIstanbul, TürkiyeHQ checked Sep 27, 202611-507 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 27, 2026
9Indirect evidenceCankaya, TürkiyeHQ checked Sep 27, 202611-506 contacts →

Indirect evidence

“Baran Özongan is a very experienced accountant on foreign direct investment companies in Turkey.”

Source: RevenueBase Database · checked Sep 27, 2026
10Indirect evidenceAtaşehir, TürkiyeHQ checked Sep 27, 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 27, 2026
11Indirect evidenceİstanbul, TürkiyeHQ checked Sep 27, 202611-504 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 27, 2026
12Indirect evidenceKartal, TürkiyeHQ checked Sep 27, 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 27, 2026
13Indirect evidenceSahrayıcedit, TürkiyeHQ checked Sep 27, 20261-103 contacts →

Indirect evidence

“SoHo Serbest Muhasebeci Mali Müsavirlik Limited Sirketi (SoHo Independent Accountancy and Financial Advisory Limited Company) has been established by Certified Public Accountant…”

Source: RevenueBase Database · checked Sep 27, 2026
14Indirect evidenceAnkara, TürkiyeHQ checked Sep 27, 20261-103 contacts →

Indirect evidence

“Duman Global, konusunda uzman profesyonellerce; başta yeminli mali müşavirlik olmak üzere teşvik, vergi danışmanlığı, finans ve muhasebe, mali hukuk, kurumsal yönetim, bütçeleme…”

Source: RevenueBase Database · checked Sep 27, 2026
15Partial evidenceIstanbul, TürkiyeHQ checked Sep 27, 20261-103 contacts →

Partial evidence

“DENKLEM Sworn-in Certified Public Accounting and AUDIT was established by Serdar TAŞDÖKEN who has worked as a Finance Inspector for a long time in the Ministry of Finance and now…”

Source: RevenueBase Database · checked Sep 27, 2026
16Indirect evidenceKocaeli, TürkiyeHQ checked Sep 27, 20261-102 contacts →

Indirect evidence

“İhtiyaç duyduğunuz tüm mali müşavirlik hizmetleri.”

Source: RevenueBase Database · checked Sep 27, 2026
17Indirect evidenceAntalya, TürkiyeHQ checked Sep 27, 20261-101 contacts →

Indirect evidence

“3568 Sayılı Yasası Gereği aşağıdaki işlemleri yapmaya tam yetkiliyim.”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 17 of 130 accounting compliance outsourcing companies based in Türkiye

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Accounting compliance outsourcing companies based in Türkiye at a glance

As of Sep 27, 2026
8.3%Verified-email coverage
5.7Average contacts per company
1-10Median size (employees)
34.6%Largest-city concentration · Istanbul
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
79
11-50
47
51-200
3
501-1,000
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 130 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 compliance 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 Türkiye whose own description of what they do matches “accounting compliance 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 compliance 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 compliance outsourcing companies, 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, 61 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 27, 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.

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 compliance 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 compliance outsourcing companies are there based in Türkiye?

RevenueBase identified 130 accounting compliance outsourcing companies 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?

Vi̇zyon, headquartered in Istanbul, tops this list with the largest team on record.

Which city has the most accounting compliance outsourcing companies?

Istanbul leads with 45 headquartered companies, followed by Ankara (9) and Atasehir (5).

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 61 verified decision-maker contacts tracked across these 130 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 27, 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.