Company lists · Data refreshed September 2026
Top 17 Commercial law companies based in Istanbul, Türkiye
RevenueBase identified 471 commercial law companies headquartered in Istanbul, Türkiye as of September 2026 and tracks 3,219 professional contacts across them, including 621 with verified work emails. Istanbul is the largest hub.
This list covers commercial law companies headquartered in Istanbul, 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 21, 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 17 largest commercial law companies based in Istanbul, Türkiye
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 133 contacts → | ||||
Partial evidence “Balcıoğlu Selçuk Eymirlioğlu Ardıyok Keki is an Istanbul-based full-service law firm led by experienced professionals since 2007.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 114 contacts → | ||||
Partial evidence “Founded over three decades ago, our firm is one of Istanbul's most venerable law offices, and among the few independent, corporate-structured, full-service, Turkish law firms with…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 97 contacts → | ||||
Partial evidence “Egemenoglu Law Firm: A Legacy of Excellence Founded in 1968, Egemenoglu is one of Turkey’s largest and most respected full-service law firms, advising market-leading clients…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 81 contacts → | ||||
Partial evidence “Ozay Law Firm provides legal services of high quality which meet with the requirements of business world.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 47 contacts → | ||||
Partial evidence “Pekin Bayar Mizrahi is a leading top-tier law firm located in Istanbul, Turkey.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 47 contacts → | ||||
Partial evidence “A Legacy of Excellence, Strengthened by Innovation Founded in 1971 in Istanbul, Pekin & Pekin is a premier full-service law firm recognized for its pioneering legal expertise and…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 45 contacts → | ||||
Partial evidence “Arıtürk & Partners Law Office has been established by Atty.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 41 contacts → | ||||
Partial evidence “Cavus & Coskunsu is a leading law firm in Istanbul.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 35 contacts → | ||||
Indirect evidence “Balay, Eryiğit & Erten Attorney Partnership aims to provide high class legal services with a team specialized in its fields.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 31 contacts → | ||||
Indirect evidence “2002 yılında kurulan Özsoy Hukuk ve Danışmanlık Bürosu, yerli ve yabancı şirketlere, kurumlara ve bireylere hukukun birçok alanında; talebe göre Türkçe veya İngilizce dillerinde…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 27 contacts → | ||||
Partial evidence “TOCC Partners (“TOCC”) is a full-service business law firm offering tailored services to domestic and multinational corporate clients, prioritising each client’s needs to their…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 18 contacts → | ||||
Partial evidence “Cailliau & Çolakel Attorney Partnership is a leading independent business law firm based in Istanbul, advising international and domestic clients on sophisticated corporate…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 17 contacts → | ||||
Partial evidence “Postacioglu Attorney Partnership is an independent and full service law firm, established in 1907.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 16 contacts → | ||||
Partial evidence “Bozoglu İzgi Attorney Partnership, founded in 2013, is a full-service law firm based in Istanbul, Turkey.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 16 contacts → | ||||
Partial evidence “SEKA Consulting | Law | IP draws on over 15 years of experience, offering specialized services across three key areas: SEKA Law, SEKA IP, and SEKA Consultancy.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 16 contacts → | ||||
Partial evidence “Güleryüz Partners is an Istanbul based full-service law firm, operating on an international scale.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 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 21, 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: commercial law companies. 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 commercial law companies.
- Partial evidence
- Its own public description names part of commercial law companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name commercial law companies. 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 17 of 471 commercial law companies based in Istanbul, Türkiye
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Commercial law companies based in Istanbul, Türkiye at a glance
As of Sep 21, 2026Companies by employee count
Email recency for this list is measured across the whole Türkiye list rather than for Istanbul, so it is reported there. Company counts and contact totals on this page are exact for Istanbul, over 471 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 commercial law 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 Istanbul, Türkiye whose own description of what they do matches “commercial law 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 commercial law 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 commercial law companies, and records with no verified work email. Companies headquartered outside Istanbul 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, 621 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 21, 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.
Commercial law companies by metro in Türkiye
- Commercial law companies in Istanbul471
- Commercial law companies in Ankara91
- Commercial law companies in Sisli85
- Commercial law companies in Cankaya83
- Commercial law companies in Kadikoy56
- Commercial law companies in Besiktas54
- Commercial law companies in Izmir41
- Commercial law companies in Sariyer27
- Commercial law companies in Atasehir25
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 commercial law 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 commercial law companies are there based in Istanbul, Türkiye?
RevenueBase identified 471 commercial law companies headquartered in Istanbul, 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?
Balcıoğlu Selçuk Eymirlioğlu Ardıyok Keki Avukatlık Ortaklığı, headquartered in Istanbul, tops this list with the largest team on record.
Which city has the most commercial law companies?
Istanbul leads with 471 headquartered companies, followed by Ankara (91) and Sisli (85).
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 621 verified decision-maker contacts tracked across these 471 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 21, 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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