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Simpson Thacher & Bartlett LLP

Brazil, China +3

Simpson Thacher & Bartlett LLP is a global law firm with approximately 1,500 lawyers, providing coordinated legal advice and transactional capability across over 30 practice areas from 11 offices worldwide. The firm is recognized for its work in complex corporate transactions and litigation matters.

Sinclair Gibson LLP

England

Sinclair Gibson LLP is a specialist, partner-led firm based in Lincoln's Inn Fields in London focused on private client, litigation and family law. Established in 2019, the firm emphasizes bespoke advice from experienced teams and advises UK families and landed estates as well as international clients on multi-jurisdictional and cross-border estate matters.

Sinerlex Dominicana, Abogados Consultores, SRL

Dominican Republic

Sinerlex Dominicana, Abogados Consultores, SRL is a Dominican law firm founded in 2001 that provides general legal services with a strong focus on business-related matters including foreign investment, tourism, corporate, monetary and financial law, dispute resolution, constitutional, administrative and regulatory law, and real estate and registry law. The firm has extensive experience in debt collection and loan recovery, is recognized for its expertise in real estate and land registry matters, and has operated for nearly 25 years.

Singleton Urquhart Reynolds Vogel LLP

Canada

Singleton Urquhart Reynolds Vogel LLP is a Canadian national law firm specializing in the construction and infrastructure, insurance, and real estate sectors. The firm is noted for consistently ranking first among Canadian construction and infrastructure firms and also provides commercial litigation, corporate and commercial, and employment law services.

Singularity Legal

India

Singularity Legal is an Asia and Africa focused international dispute resolution firm established in August 2017. It specializes in handling high-end complex cross-border disputes, investigations, and enforcement across various sectors including energy, construction, shipping, sports, digital assets, and finance.

Sinha Verma Law Concern

Nepal

Sinha Verma Law Concern (SVLC), founded in 1955 by Devnath Prasad Verma, is described as Nepal's longest-standing commercial law firm. The firm focuses on corporate, tax advisory and litigation work and is led by managing partner Mahesh Kumar Thapa with a team of partners, associates and support staff.

Sioufas & Associates Law Firm

Greece

Sioufas & Associates Law Firm, established in 1999 by George D. Sioufas and Marios D. Sioufas, provides legal services to Greek financial institutions, servicers and foreign investment funds with a strong focus on banking law, NPL due diligence and related enforcement proceedings. The firm also maintains litigation, corporate and intellectual property practices and has offices in Athens, Thessaloniki and Patra to serve clients across Greece.

SiqueiraCastro is a Brazilian law firm with over 77 years' experience advising leading companies across key sectors. The firm emphasizes an entrepreneurial, end-to-end approach that combines legal expertise with strategic business insight to deliver innovative solutions.

Sivananthan

Malaysia

Sivananthan is a specialist criminal defence boutique based in Malaysia, led by Datuk N. Sivananthan and established in 1995 (exclusively focused on criminal law since 2009). The firm represents individuals and corporate clients in serious, complex and high‑stakes matters — including capital and drug offences, white‑collar and regulatory investigations, extradition and national security matters — and regularly appears before all levels of the Malaysian courts while also advising at the investigation and pre‑charge stages.

Six Advocaten

Netherlands

SIX advocaten is a niche boutique law firm in the Netherlands, founded in 2008, with a primary focus on real estate and property law. The firm advises real estate professionals and local government authorities, emphasises a high degree of specialisation and a personal, partner-led approach, and is recognised by PropertyNL as a specialist in the field.

Sizinos & Co. LLC is an international law firm based in Larnaca, Cyprus, founded in 2009 by Demetrios Syzinos. The firm provides legal, tax, corporate and business consulting services, including corporate services, banking and finance, family and civil law, and assistance with cross-border matters, asset protection and tax planning through international affiliations.

Sjöcrona Van Stigt

Netherlands

Sjöcrona Van Stigt is a Netherlands-based criminal defence firm (since 1992) with a team of 16 defence lawyers and 2 paralegals operating from Rotterdam and The Hague. The firm handles criminal proceedings at first instance, on appeal and in cassation, and before the European Court of Human Rights, and also advises on prevention and compliance matters such as anti-bribery and anti-money laundering and on potential corporate management liability.

Skarzynski Marick & Black LLP

United States

Skarzynski Marick & Black LLP is a law firm with offices in New York City, Chicago, and Los Angeles, representing the global insurance industry in complex matters. The firm provides services including coverage and bad faith litigation, arbitration, counselling, bankruptcy, claims monitoring, and structuring insurance policies and risk transfer programs.

Skau Reipurth

Denmark

Skau Reipurth, founded on 1 May 2011, is a Copenhagen-based Danish law firm advising on a range of commercial law matters including construction, real estate, M&A, corporate and litigation. The firm has about 35 lawyers and is recognized for combining high professional standards with uncompromising integrity.

Skierfe Advokatfirma KB

Sweden

Skierfe Advokatfirma KB is a boutique Swedish law firm specializing in real estate law, providing legal services across the entire real estate lifecycle including financing and acquisition, management, development, and divestment. The firm advises Swedish and international real estate companies, funds, investors and developers and emphasizes long-term client relationships, specialized expertise and coordination with tax and financial advisers.

Skrine

Malaysia

Skrine is one of Malaysia's largest law firms, led by 45 partners and about 115 lawyers, with recognised strengths across corporate, dispute resolution and intellectual property practices. The firm is the exclusive Malaysian member of Lex Mundi and the Pacific Rim Advisory Council and has received multiple regional and international awards.

Slater Heelis (Part of Lawfront)

England

Slater Heelis is a full-service law firm in England with origins dating back over 250 years, recognised regionally in Manchester and nationally. The firm has award-winning Crime and Family departments, emphasizes client-focused service and diversity, and in May 2024 became part of the Lawfront network (backed by private equity fund Blixt).

Slater and Gordon

England, Wales

Slater and Gordon is one of the UK’s leading consumer law firms, with more than 85 years’ experience and a stated commitment to delivering exceptional, affordable consumer legal services. The firm has specialist teams handling personal injury (including catastrophic injuries), medical negligence and industrial disease cases and maintains offices in England and Wales.

Slaughter and May

England

Slaughter and May is a leading international law firm advising on high-profile and groundbreaking transactions and disputes around the world. The firm is client-focused, multi-specialist and cross-border in approach, providing streamlined teams and a single point of contact for clients.

Smith Hurst, PLC

United States

Smith Hurst, PLC is a regional business and private wealth law firm based in Northwest Arkansas, focusing on corporate law, mergers and acquisitions, tax and estate planning. The firm is recognized as a Tier 1 law firm by Best Law Firms in America and has been ranked by publications such as Best Lawyers in America and Chambers & Partners USA.

Smith, Anderson, Blount, Dorsett, Mitchell & Jernigan, LLP

United States

Smith, Anderson, Blount, Dorsett, Mitchell & Jernigan, LLP is a full-service business and litigation law firm headquartered in the Research Triangle Park region of North Carolina. Founded in 1912, the firm serves regional, national, and global companies with more than 170 attorneys.

Snellman

Sweden

Snellman is a Swedish law firm established in 2008 that advises international and local corporations, investment companies, private equity sponsors, banks and other financial institutions on transactions, disputes and other business law matters. The firm emphasizes pragmatic, commercially focused advice and aims to present complex legal issues in an accessible format to support client decision-making.