SiqueiraCastro
- Company typePrivate
- Founded1948
- HeadquartersSão Paulo, Brazil
- Headcount1,001–5,000
- GTM typeB2B
- OfferingServices
SiqueiraCastro firmographics
Firmographics- Name
- SiqueiraCastro
- Legal name
- SIQUEIRA CASTRO ADVOGADOS
- Website
- https://siqueiracastro.com.br
- Company type
- Private
- Founded year
- 1948
- Operating status
- Operating
- Headcount range
- 1,001–5,000 employees
- Ownership category
- akta.pro rank
SiqueiraCastro industry classification
Industry- Product category
- Legal Services
- NAICS
- Offices of Lawyers (541110), Legal Services (5411)
- SIC
- Services-Legal Services (8111)
- akta.pro primary industry
- Mergers & Acquisitions (M&A) & Securities Law (BPAHAAAI)
- akta.pro secondary industries
- Litigation & Dispute Resolution (BPAHAAAB), Financial Crime, AML/CFT & Sanctions Compliance (BPAHAFAE)
Keywords
Where SiqueiraCastro is headquartered
LocationHeadquarters
- HQ city
- São Paulo
- HQ country
- Brazil
- HQ region
- Latin America
Offices3 records
Markets served
SiqueiraCastro business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Infrastructure, Technology or R&D, Marketing or Sales
Revenue model
- Legal Services: Professional legal services rendered to corporate and individual clients across multiple practice areas including corporate law, M&A, dispute resolution, tax law, and more. Services are provided through direct engagement at the firm's offices in São Paulo, Rio de Janeiro, and Brasília.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Custom legal services - quote-based pricing |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels7 records
SiqueiraCastro product offering
Product offeringCore offering
SiqueiraCastro delivers full-service legal representation to corporate clients through its offices in São Paulo, Rio de Janeiro, and Brasília, covering 21+ practice areas including corporate law, M&A, capital markets, dispute resolution and arbitration, white-collar crime, tax, project finance, private equity, agribusiness, environmental, foreign trade, and compliance. The firm complements its legal practice with proprietary Legal Intelligence (Inteligência Jurídica) newsletters and a Virtual Library (Biblioteca Virtual) research platform that provide ongoing case-law, regulatory, and court updates to clients.
Product overview
SiqueiraCastro operates as a full-service law firm offering comprehensive legal services across 21+ practice areas including dispute resolution, arbitration, corporate criminal law, agribusiness, environmental law, foreign trade, and compliance. The firm provides Legal Intelligence services through newsletters and a Virtual Library platform. The firm has over 2,000 professionals including partners and administrative staff, serving 3,000 active clients with nationwide coverage through offices in São Paulo, Rio de Janeiro, and Brasília. SiqueiraCastro has over 75 years of history influencing the legal evolution of Brazil.
Differentiator
Problem solved
Functional benefit
Products and services
- Full Solution Legal Services Comprehensive legal representation across 21+ practice areas (corporate law, M&A, capital markets, dispute resolution and arbitration, white-collar crime, tax, project finance, private equity, agribusiness, environmental, foreign trade, compliance, and others), delivered through offices in São Paulo, Rio de Janeiro, and Brasília to corporate clients across Brazil.
- Inteligência Jurídica (Legal Intelligence) Proprietary legal intelligence service providing newsletters, case-law analysis, and regulatory updates across practice areas including strategic litigation, arbitration, corporate criminal law, and foreign trade, delivered to clients and attorneys.
- Biblioteca Virtual (Virtual Library) Online legal research portal providing access to legal resources, news from superior courts, real-time justice updates, and specialized legal event information for clients and legal professionals.
Quantifiable outcome
- 21 practice areas ranked among best in Brazil
- +1 more outcomes
Companies that use SiqueiraCastro
Customer profileNamed customers1 record
Segments2 records
Ideal customer profiles2 records
SiqueiraCastro technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature2 records
SiqueiraCastro partnerships and signals
Strategic signalPartnerships
Four partnerships are on record, tiered minor and core.
- International Bar Association (IBA)minorProfessional association membership providing international legal networking and standards
- American Arbitration Association (AAA)minorAlternative dispute resolution organization for arbitration referrals and standards
- American Bar Association (ABA)minorU.S. professional association for legal networking and continuing education
- OAB - Ordem dos Advogados do BrasilcoreBrazilian bar association - mandatory membership for practicing lawyers in Brazil. Firm maintains active membership across all OAB sections in Brazilian states.
Scale indicators4 records
Recent moves5 records
Expansion highlights4 records
SiqueiraCastro competitors and assessment
Company assessmentBroad incumbents
- DLA Piper (Brazil operations): Global law firm with significant Brazil presence via local alliances. Represents the international full-service competitor that increasingly captures cross-border mandates involving Brazilian parties, putting pressure on purely domestic firms like SiqueiraCastro.
Direct peers
- BMA – Barbosa Müssnich Aragão: Top Brazilian full-service law firm with strong corporate, M&A, capital markets, and dispute resolution practices. Comparable scale and similar client base of large Brazilian corporates.
- Mattos Filho: One of the largest full-service Brazilian law firms with comparable multi-office presence (São Paulo, Rio, Brasília) and similarly broad practice-area coverage including M&A, capital markets, and dispute resolution. Direct competitor for top-tier corporate mandates in Brazil.
- Pinheiro Neto: Top-tier São Paulo-headquartered full-service Brazilian law firm with strong M&A, capital markets, and corporate practices, and recognized across the same international directories (Chambers, Legal 500). Direct peer for premium corporate mandates.
- TozziniFreire Advogados: Large Brazilian full-service law firm headquartered in São Paulo with offices in Porto Alegre, Rio de Janeiro, and Brasília. Comparable practice breadth across corporate, M&A, dispute resolution, and regulatory matters.
- Demarest Advogados: Top Brazilian full-service firm with strong M&A, capital markets, and corporate practices; recognized across the same international rankings as SiqueiraCastro. Direct competitor for transactional and dispute mandates.
- Machado Meyer: Large Brazilian full-service firm headquartered in São Paulo with strong finance, project finance, and M&A practices. Direct competitor for banking, capital markets, and infrastructure mandates.
- Lefosse Advogados: São Paulo-headquartered full-service Brazilian law firm with strong M&A, capital markets, and restructuring practices. Direct competitor for premium transactional work and similar international directory rankings.
- Souto Correa Advogados: Brazilian full-service law firm with comparable practice areas including dispute resolution, arbitration, corporate, and regulatory work; recognized in the same international directories.
- Veirano Advogados: Full-service Brazilian law firm with offices in Rio de Janeiro, São Paulo, and Brasília. Comparable practice coverage including M&A, corporate, regulatory, and dispute resolution; similar international directory recognition.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
SiqueiraCastro social profiles
Digital presenceSiqueiraCastro financial estimates
Financial estimateRevenue estimate
Valuation estimate
SiqueiraCastro leadership team
Management profileNumber of profiles
Profiles2 records
SiqueiraCastro funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
SiqueiraCastro M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about SiqueiraCastro
What does SiqueiraCastro do?
SiqueiraCastro delivers full-service legal representation to corporate clients through its offices in São Paulo, Rio de Janeiro, and Brasília, covering 21+ practice areas including corporate law, M&A, capital markets, dispute resolution and arbitration, white-collar crime, tax, project finance, private equity, agribusiness, environmental, foreign trade, and compliance. The firm complements its legal practice with proprietary Legal Intelligence (Inteligência Jurídica) newsletters and a Virtual Library (Biblioteca Virtual) research platform that provide ongoing case-law, regulatory, and court updates to clients.
Is SiqueiraCastro a public or private company?
SiqueiraCastro is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was SiqueiraCastro founded?
SiqueiraCastro was founded in 1948. It employs 1,001 to 5,000 people.
Where is SiqueiraCastro based?
SiqueiraCastro is headquartered in São Paulo, Brazil, in the Latin America region.
How does SiqueiraCastro make money?
One revenue line is on record: legal Services.
Who are SiqueiraCastro's main competitors?
DLA Piper (Brazil operations) is listed as a broad incumbent. Direct peers are BMA – Barbosa Müssnich Aragão, Mattos Filho, Pinheiro Neto, TozziniFreire Advogados, Demarest Advogados, Machado Meyer, Lefosse Advogados, Souto Correa Advogados and Veirano Advogados.
Does SiqueiraCastro have an API?
No public API is recorded for SiqueiraCastro.
What industry is SiqueiraCastro in?
SiqueiraCastro's product category is Legal Services. Its primary akta.pro industry code is BPAHAAAI, Mergers & Acquisitions (M&A) & Securities Law, with a secondary code of BPAHAAAB, Litigation & Dispute Resolution. Its NAICS code is 541110 and its SIC code is 8111.