Sorainen

What Sorainen does

Sorainen is a privately-held, full-service international law firm headquartered in Tallinn, Estonia, operating across the Baltic states through separate legal entities in Estonia (Advokaadibüroo Sorainen OÜ), Latvia (Sorainen ZAB SIA), and Lithuania (Advokatų profesinė bendrija Sorainen). Founded in 1995 and led by Managing Partner Eva Berlaus, the firm employs more than 300 lawyers organised around an integrated cross-border Baltic team that delivers legal and tax advisory across 16+ practice areas — including M&A, banking and finance, capital markets, dispute resolution, ESG, data protection, real estate, intellectual property, public procurement, employment, competition, and tax — and sector-specific verticals spanning defence, energy, life sciences and healthcare, TMT, and startups.

The firm's revenue model is professional services time-based billing, charging in units of 1/10 of an hour (6-minute increments), supplemented by a 2% administrative fee on total legal fees and late-payment interest provisions; rates may be increased for short-notice or urgent work. Its go-to-market is sales-led and direct, with client engagement through the three Baltic offices targeting enterprise and mid-market companies. Marketing channels combine subscription legal newsletters, sector events (e.g., Baltic M&A and Private Equity Forum), a content-driven newsroom, and earned media through industry awards including IFLR and Chambers Europe.

The firm has no external institutional investor or parent company and operates as a partnership under founder/partner ownership. Recognised logos span large enterprises (Salling Group, Ignitis Group, Mantinga Group, Viking Window), financial institutions (Multitude Bank, SEB Latvia), government bodies (City of Tallinn), and growth-stage companies (Oxipit, Gearbox Biosciences, Xtend). Key advisory mandates include the EUR 1.3 billion Salling Group acquisition of Rimi Baltic — the largest Baltic transaction of the decade — and EUR 318 million financing for the largest Baltic wind farm.

Name

Sorainen

Legal name

Advokaadibüroo Sorainen OÜ

Website

https://sorainen.com

Company type

Private

Founded year

1995

Operating status

Operating

Headcount range

251–500 employees

Short description

Sorainen is a privately-held, full-service Baltic law firm with 300+ lawyers across Estonia, Latvia, and Lithuania, providing integrated legal and tax advisory to enterprise and mid-market clients across M&A, finance, dispute resolution, tax, and sector-specific practices.

Ownership category

akta.pro rank

Product category

Legal Advisory Services

NAICS

Offices of Lawyers (541110), Legal Services (5411)

SIC

Services-Legal Services (8111)

akta.pro primary industry

Transaction Tax Structuring & Deal Advisory (BPAHAOAJ)

akta.pro secondary industries

Tax Law (BPAHAAAG), Title Insurance & Underwriting (BPAJAOAA), Litigation & Dispute Valuation (damages, shareholder disputes) (FSAEAHAI)

Keywords

• Legal advisory services
• Corporate law
• Mergers and acquisitions
• Banking and finance law
• Tax advisory services

Headquarters

HQ city

Tallinn

HQ country

Estonia

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Legal Services: Time-based legal services with hourly billing, charging in 6-minute increments (1/10 hour). An administrative fee of 2% of total legal fees applies. Services cover corporate/M&A, finance, dispute resolution, tax, competition law, data protection, employment, ESG, intellectual property, public procurement, and real estate.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Sorainen is a full-service international business law firm delivering integrated legal and tax advisory services across the Baltic States of Estonia, Latvia, and Lithuania. Its core offering spans corporate/M&A, banking and finance, capital markets, dispute resolution, tax, competition and regulatory, data protection, ESG, employment, intellectual property, public procurement, and real estate and construction advisory, delivered through an integrated team of 300+ lawyers.

Product overview

Sorainen is a full-service Baltic law firm offering comprehensive legal and tax advisory services across Estonia, Latvia, and Lithuania. The firm provides integrated legal services organized around practice areas (Banking and Finance, M&A Advisory, Capital Markets, Data Protection, Dispute Resolution, ESG Advisory, Real Estate and Construction, Tax Advisory, Intellectual Property, Employment Law) and sector-specific practices (Defence, Energy, Life Sciences & Healthcare, Startups, TMT). Sorainen is not a technology product company but a legal services firm whose 'products' are legal advisory services delivered by specialized teams of lawyers across multiple jurisdictions.

Differentiator

Problem solved

Functional benefit

Products and services

• Legal Advisory Services Comprehensive legal and tax advisory services for businesses operating in the Baltic region (Estonia, Latvia, Lithuania), covering multiple practice areas.
• Banking and Finance Law Legal advisory on banking, capital markets, and financial services, including cross-border financing transactions and regulatory compliance for financial institutions.
• M&A Advisory Mergers and acquisitions advisory services, including due diligence, transaction structuring, and deal execution across the Baltic region and beyond.
• Capital Markets Legal services for capital markets transactions including bond offerings, IPOs, and regulatory matters.
• Dispute Resolution and Risk Management Dispute resolution services including arbitration, government relations, insolvency, and white-collar crime matters.
• Data Protection Legal advisory on data protection compliance, GDPR implementation, and privacy policy development.
• ESG Advisory Environmental, Social & Governance legal advisory services including ESG compliance and sustainability reporting.
• Tax Advisory Tax planning and advisory services to complement legal expertise across the Baltic States.
• Real Estate and Construction Legal services for real estate transactions, development projects, and construction agreements.
• Intellectual Property IP protection and enforcement services including trademarks, patents, and copyright matters.
• Employment Law Employment law advisory including HR compliance, labor disputes, and workplace policies.
• Defence Sector Advisory Specialized legal advisory for defence technology companies and military applications sector.
• Energy Sector Advisory Legal services for renewable energy projects and energy sector transactions.
• Life Sciences and Healthcare Advisory Legal services for pharmaceutical, medical device, and healthcare companies.
• TMT Advisory Technology, Media & Telecommunications sector legal advisory including AI and digital transformation matters.
• Startup Advisory Legal services for startups including funding rounds, governance, and commercial agreements.

Named customers12 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Five partnerships are on record, tiered minor.

• XtendminorStrategic or Co-development Partner · 18 March 2026Sorainen advised Xtend on a merger agreement with JFB Construction. Xtend develops AI-powered, human-guided tactical drone systems for military and security applications, while JFB Construction operates in general contracting, construction management, and real estate development.
• Balti KellaminorStrategic or Co-development Partner · 18 March 2026Sorainen advised Estonian jewelry and watch company Balti Kella on the sale of its consumer and household goods wholesale business to Apper.
• Multitude BankminorStrategic or Co-development Partner · 23 January 2026Sorainen advised Multitude Bank on the provision of a EUR 17.25 million revolving credit line to DelfinGroup, a technology-based financial services company operating under the Banknote and VIZIA brands.
• REFI Sun UABminorStrategic or Co-development Partner · 28 October 2025REFI Sun, owned by INVL Renewable Energy Fund I, raised over EUR 5 million through a bond offering in the Baltic countries for renewable energy projects in Poland and Romania.
• Linstow BalticminorStrategic or Co-development Partner · 23 October 2025Linstow Baltic completed development of Satekles Biznesa Centrs, now serving as headquarters for SEB Latvia.

Scale indicators7 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• Eversheds Sutherland: Global law firm with Baltic presence via alliance/network. Competes with Sorainen on cross-border transactions requiring international coverage, particularly for multinational clients operating in the region.
• Bird & Bird: International law firm with strong TMT, IP, and cross-border M&A practices. Overlaps with Sorainen's TMT and IP practice areas on tech-sector mandates in the Baltics.
• DLA Piper: Global law firm with Baltic presence and strong cross-border M&A and finance capability. Competes for premium international mandates involving Baltic-domiciled parties.
• Dentons: World's largest law firm by headcount with established Baltic offices. Competes for large cross-border M&A, finance, and capital markets mandates involving Baltic-domiciled clients.

Direct peers

• Walless: Baltic-headquartered full-service law firm with offices in Estonia, Latvia, Lithuania, and Poland. Competes with Sorainen on mid-market and enterprise cross-border mandates in the Baltic region.
• COBALT Legal: Pan-Baltic law firm headquartered in Vilnius with offices in all three Baltic states, providing M&A, banking, dispute resolution, and regulatory advisory. Direct competitor for the same enterprise and mid-market client base.
• Ellex (now Ellex Valiunas): Leading Baltic law firm with offices in Estonia, Latvia, and Lithuania offering corporate, M&A, finance, and dispute resolution services. Most direct head-to-head competitor of Sorainen across the Baltics.
• TGS Baltic: Regional law firm operating across the Baltic states, offering similar full-service legal and tax advisory. Competes with Sorainen for cross-border M&A and financial services mandates.

Regional players

• Hannes Snellman: Leading Nordic law firm based in Helsinki with broad corporate and M&A practice. Competes with Sorainen for cross-border transactions connecting Nordic capital with Baltic targets.
• WKB Wiercinski Kordylewski: Leading Polish law firm with strong M&A and corporate practice. Comparable to Sorainen as a regional full-service firm competing for CEE cross-border deals.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/SorainenLawFirm
• LinkedInlinkedin.com/company/law-firm-sorainen

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Sorainen