Company lists · Data refreshed September 2026
Top 25 Union compliance law firms based in Türkiye
RevenueBase identified 529 union compliance law firms headquartered in Türkiye as of September 2026 and tracks 1,890 professional contacts across them, including 140 with verified work emails. Istanbul is the largest hub.
This list covers union compliance 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 29, 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 union compliance law firms based in Türkiye
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 36 contacts → | ||||
Partial evidence “Law Office” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 28 contacts → | ||||
Partial evidence “From 1923 to the present TILEGAL has a legacy dating back to the 1920s, and has earned its distinguished place among today’s reputable law firms by carrying its expertise and…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 25 contacts → | ||||
Partial evidence “Verdi is a law firm which provides high quality legal services and protects the interest of clients and satisfies their needs by finding effective solutions to their legal…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 20 contacts → | ||||
Indirect evidence “Kumkumoğlu Ergün Cin Özdoğan Avukatlık Ortaklığı” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 15 contacts → | ||||
Partial evidence “DUNDAR SIR Law Firm, together with its team of nearly 30 professionals, is a full-service law firm located in the heart of the business district of Istanbul.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 15 contacts → | ||||
Indirect evidence “Bağatur Avukatlık Bürosu, 1966 yılında Avukat Ege Bağatur tarafından Adana’da kuruldu.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 15 contacts → | ||||
Partial evidence “Çaltekin is a full-service law firm located in Istanbul, Turkey.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 13 contacts → | ||||
Indirect evidence “İplikçioğlu Hukuk Bürosu 1978 yılında, Mehmet Asım İplikçioğlu tarafından İstanbul'da kurulmuştur.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 12 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 11 contacts → | ||||
Partial evidence “Koç & Okçuoğlu Attorneys at Law is an Istanbul-based international law firm.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 10 contacts → | ||||
Indirect evidence “Arıkboğa & Özbey Hukuk Bürosu kurulmuş olduğu 2011 yılından beri Sigorta Hukuku, İş Hukuku, Ticaret Hukuku ve Gayrımenkul Hukuku alanlarında faaliyet göstermektedir.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 10 contacts → | ||||
Partial evidence “EHC is a boutique law firm based in Istanbul.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 9 contacts → | ||||
Partial evidence “Committed to consistent excellence, GKS is an elite law firm that helps clients anticipate what is next and navigate new paths to success and growth.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 7 contacts → | ||||
Partial evidence “Ali Gul Law Firm is a new-generation boutique law firm that focuses employment, competition, intellectual property and technology & media.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 7 contacts → | ||||
Indirect evidence “Güler & Aral Hukuk Bürosu, müvekkillerine ihtiyaca yönelik seçenekler sunan, çözüm odaklı yaklaşım sağlayan, tecrübe ve uzmanlıklarını birlikte yürütmeye karar veren Av.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 6 contacts → | ||||
Indirect evidence “Çalışma hayatının üç unsuru olan, işçi, işveren ve devlet kapsamında ve bu taraflardan her birinin bakış açısıyla 18 yılı aşkın zamandır süregelen sonuç odaklı hizmet yaklaşımını…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 6 contacts → | ||||
Partial evidence “Law Office” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 5 contacts → | ||||
Indirect evidence “Patika Hukuk: Uzman Hukukçularla Sorunlarınıza Profesyonel Çözümler Patika Hukuk, farklı hukuk alanlarında uzmanlaşmış bir hukuk firmasıdır.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 5 contacts → | ||||
Indirect evidence “Akhan Hukuk & Danışmanlık, Av.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 5 contacts → | ||||
Indirect evidence “Otuz yılı aşkın süredir geniş bir çerçevede hukuk hizmeti veren Atay Hukuk Bürosu; çözüm odaklı olarak çalışma alanlarına göre uzmanlaşmış ve departmanlara ayrılarak organize…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 4 contacts → | ||||
Indirect evidence “Bölten & Kittani Avukatlık Ortaklığı, ortaklarının yıllar içerisinde edindiği tecrübeler ışığında yerli ve yabancı sermayeli müvekkillerine tüm hukuki, finansal ve ticari…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 4 contacts → | ||||
Partial evidence “Yorukoglu Semiz Attorney Partnership, specializes in corporate law, employment issues, mergers and acquisitions, financings, dispute resolution, and data and privacy, with an aim…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 3 contacts → | ||||
Partial evidence “Erat & Güner Law Firm provides fast, effective, and solution-oriented service to your legal needs, since 2020.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 3 contacts → | ||||
Partial evidence “Olgun Legal has been offering solution-based services in various fields of law with its professional and dynamic team.” Source: RevenueBase Database · checked Sep 29, 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: union compliance 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 union compliance law firms.
- Partial evidence
- Its own public description names part of union compliance law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name union compliance 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 529 union compliance law firms based in Türkiye
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Union compliance law firms based in Türkiye at a glance
As of Sep 29, 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 529 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 union compliance 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 “union compliance 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 union compliance 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 union compliance 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, 140 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 29, 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.
Union compliance law firms by metro
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 union compliance 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 union compliance law firms are there based in Türkiye?
RevenueBase identified 529 union compliance 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?
Sayin LAW & Consulting, headquartered in Sariyer, tops this list with the largest team on record.
Which city has the most union compliance law firms?
Istanbul leads with 135 headquartered companies, followed by Cankaya (38) and Ankara (35).
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 140 verified decision-maker contacts tracked across these 529 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 29, 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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