Company lists · Data refreshed September 2026
Top 25 Customs and trade law firms based in Türkiye
RevenueBase identified 507 customs and trade law firms headquartered in Türkiye as of September 2026 and tracks 5,323 professional contacts across them, including 1,261 with verified work emails. Istanbul is the largest hub.
This list covers customs and trade law 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 14, 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.
The 25 largest customs and trade law firms based in Türkiye
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 343 contacts → | ||||
Indirect evidence “Kaliteli hizmet anlayışını, yenilikleri ve teknolojik gelişmeleri takip ederek, etik ve insani değerlerinden ödün vermeden, daha ileriye taşımak ve sektörün lider markası olarak…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 2 | 321 contacts → | ||||
Indirect evidence “Misyonumuz; Müşteri odaklı, teknoloji gelişmelere açık, etik değerlere bağlı, sürdürülebilir kurumsal çözüm ortağı olmak.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 3 | 207 contacts → | ||||
Indirect evidence “NAZALI; kamu ve özel sektör tecrübesine sahip ortak ve çalışanları ile vergi, sosyal güvenlik ve gümrük alanlarında uzmanlaşmış, Türkiye’nin tescilli ilk mali hukuk bürosudur.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 4 | 195 contacts → | ||||
Indirect evidence “yılında İstanbul’da kurulan DCS, yetkin Gümrük Müşavirleri ve uzman kadrosuyla Türkiye genelinde 8 ilde, 6 şube ve 20 irtibat bürosu ile Gümrük Müşavirliği ve Dış Ticaret…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 5 | 126 contacts → | ||||
Partial evidence “Customs Consultancy” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 6 | 114 contacts → | ||||
Indirect evidence “SYK Danışmanlık Grubu, hem yerel hem de uluslararası alandaki geniş tecrübesi ile müşterilerine uzun yıllardır önemli ticari projelerde üstün danışmanlık hizmetleri sunmaya devam…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 7 | 100 contacts → | ||||
Indirect evidence “Dış Ticaret, İthalat ve İhracat” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 8 | 90 contacts → | ||||
Indirect evidence “1991 yılından bu yana, 35 yılı aşkın süredir ulusal ve uluslararası seçkin kuruluşlara güvenle hizmet veriyoruz.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 9 | 79 contacts → | ||||
Indirect evidence “Özdemir Gümrük Müşavirliği, hızlı, kaliteli, güvenilir ve butik hizmet anlayışıyla 1994 yılında kurulmuştur.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 10 | 78 contacts → | ||||
Indirect evidence “It has been exactly 20 years since we opened our first head office in İzmir in 2003.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 11 | 77 contacts → | ||||
Indirect evidence “ONEL Şirketler Grubu çatısı altında yılında kurulan ONEL Gümrük Müşavirliği, dış ticaret alanında gümrükleme, lojistik, ithalat, ihracat, sigorta ve transit işlemlerinde…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 12 | 60 contacts → | ||||
Indirect evidence “Firmamız, 1992 yılında, ithalat ve ihracat gümrükleme hizmetleri üzerine İstanbul ‘da faaliyete başlamış olup, 2003 yılında yeni bir yapılanma içerisine girerek Teknik Gümrük…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 13 | 59 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 14 | 57 contacts → | ||||
Partial evidence “Founded by Murat Sayın, Sayın Law & Consulting is an İstanbul based (incorporated) full-service law firm offering high quality and solution oriented legal service in a…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 15 | 56 contacts → | ||||
Partial evidence “Medtria Customs Clearance Services Department offers optimal solutions in terms of cost and time by planning operational implementation, legal process follow-up and consultancy…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 16 | 54 contacts → | ||||
Indirect evidence “HİTİT GÜMRÜK MÜŞAVİRLİĞİ; 1980’li yıllardan beri Gümrük Müşavirliği mesleğine verdiğimiz emeğin ürünüdür.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 17 | 53 contacts → | ||||
Indirect evidence “Ege Uzman Gümrük Müşavirliği ve Lojistik Tic.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 18 | 51 contacts → | ||||
Partial evidence “Akinci Law Office is an international law firm, based in Istanbul, committed to providing high-quality legal service both with international and domestic matters.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 19 | 48 contacts → | ||||
Strong evidence “ACTECON advises clients on Turkish competition law, regulation and international trade remedies.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 20 | 44 contacts → | ||||
Indirect evidence “Uyum Gümrük Müşavirliği, gümrükleme hizmetlerinde, kalitesini teknoloji ile birleştiren kadrosu ile, hızlı, sorunsuz ve maksimum müşteri memnuniyeti odaklı hizmet anlayışı…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 21 | 42 contacts → | ||||
Indirect evidence “Gümrük Müşavirliği, YYS Danışmanlığı, Diib Danışmanlığı, YTB Danışmanlığı, Tüm Gümrük Rejimleri, Lojistik” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 22 | 41 contacts → | ||||
Partial evidence “Cavus & Coskunsu is a leading law firm in Istanbul.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 23 | 39 contacts → | ||||
Indirect evidence “2001 yılında Kordon Gümrük Müşavirliği olarak faaliyetlerine başlamış, bugün 16 ilde toplam 19 ofisi bulunan, uzman personel ve güçlü altyapısı ile alanında Türkiye’nin en büyük…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 24 | 39 contacts → | ||||
Indirect evidence “Hakkımızda 1975 yılında Karaköy’de iki personel ile faaliyetine başlayan Oğuz Gümrük Müşavirliği, 31 yıl sonra bugün Gazeteciler sitesinde kendisine ait 6 katlı plazası, 85…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 25 | 36 contacts → | ||||
Indirect evidence “Gümrük Müşavirliği ve Dış Ticaret Danışmanlığı” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: customs and trade law firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names customs and trade law firms.
- Partial evidence
- Its own public description names part of customs and trade law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name customs and trade law firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 507 customs and trade law firms based in Türkiye
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Customs and trade law firms based in Türkiye at a glance
As of Sep 14, 2026Companies by employee count
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 507 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 customs and trade law 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 “customs and trade law 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 customs and trade law 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 customs and trade law 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, 1,261 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 14, 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.
Customs and trade law firms by metro
- Customs and trade law firms in Istanbul178
- Customs and trade law firms in Izmir29
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 customs and trade law 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 customs and trade law firms are there based in Türkiye?
RevenueBase identified 507 customs and trade law 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?
Doğruer Gümrük Müşavirliği, headquartered in Kagithane, tops this list with the largest team on record.
Which city has the most customs and trade law firms?
Istanbul leads with 178 headquartered companies, followed by Izmir (29) and Sisli (23).
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 1,261 verified decision-maker contacts tracked across these 507 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 14, 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.
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