Headquarters
Barcelona, SpainFounded
2000CEO / Founder
Lluís FausEmployees
201-500Funding
AcquiredProducts
1 product listedAvg. AI Score
7.9/10Website
vlex.com/Profile updated
vLex is a legal technology company that operates an AI-powered legal research platform covering case law, legislation, dockets and regulatory materials from more than 100 countries. It was founded in 2000 in Barcelona by brothers Lluís Faus, who serves as chief executive, and Ángel Faus, its chief technology officer, and it maintains offices in Barcelona, London and Miami.
The company's core products include its multi-jurisdictional legal research library, used by more than two million lawyers, researchers, courts and law schools, and Vincent AI, a generative-AI assistant that drafts legal arguments with cited supporting authority drawn from vLex's collection of over one billion legal documents. Following a 2023 merger with US-based Fastcase, vLex added the Fastcase, Docket Alarm and NextChapter brands, expanded across the American market and counts most of the Am Law 100 firms among its clients.
vLex was majority-owned by private-equity firm Oakley Capital, whose Origin fund backed a 2022 buyout of the business. In June 2025, practice-management software company Clio agreed to acquire vLex for approximately US$1 billion, the largest deal in legal-technology history, with the transaction closing later that year after regulatory approval. The company employs an estimated 200-plus staff across offices in Europe and the Americas.
Dated, source-cited figures. Estimates are marked.
All products by vLex reviewed by our AI panel of experts.
Six independent reviewer personalities assessed vLex's product on their own terms. They landed within 0.8 points of each other, an unusually strong consensus.
Averaged across 1 reviewed product in our catalog. Scores are out of 10.
Who vLex competes with, and how they differ.
LexisNexis pairs its legacy Lexis+ case-law and statute database with the newer Lexis+ AI generative research assistant, competing directly with vLex on database scale and US/UK jurisdiction depth.
1 product reviewed on TopReviewedThomson Reuters counters with Westlaw's case-law database plus Casetext CoCounsel (acquired 2023) for generative drafting and research — the other half of the legal-research duopoly vLex is challenging.
5 products reviewed on TopReviewedHarvey is an AI-native legal assistant built on licensed third-party LLMs for drafting, research and due diligence at large firms, competing with Vincent AI on generative capability without vLex's own primary-law content library.
1 product reviewed on TopReviewedLegora is a newer AI-native legal work platform strong in the UK and Nordic markets, competing with vLex's Vincent AI on document review and research workflows.
1 product reviewed on TopReviewedBloomberg Law bundles US case law, dockets and news with its own analytics tools at a premium subscription price, competing with vLex on the domestic research market without vLex's international multi-jurisdiction coverage.
Key milestones in vLex's history, with sources.
Clio completes $1B acquisition of vLex
Clio announced it had completed its US$1 billion acquisition of vLex, coinciding with the close of Clio's own $500M Series G round led by NEA at a $5B valuation.
clio.comClio agrees to acquire vLex for $1B, creating Spanish tech unicorn
Oakley Capital agreed to sell vLex to Clio in a deal valuing vLex at US$1 billion, making it one of the few Spanish technology start-ups to reach unicorn status.
oakleycapital.comvLex launches major generative AI upgrade to Vincent AI
vLex released a generative-AI overhaul of its Vincent AI assistant in invitation-only beta, adding research-memo drafting, argument building, and document summarization across UK, US, Ireland and Spain.
prnewswire.comvLex merges with Fastcase, backed by Oakley Capital and Bain Capital Credit
vLex and U.S. legal research company Fastcase merged into a combined group with more than 1 billion legal documents from 100+ countries, backed by new investment from Oakley Capital and Bain Capital Credit.
lawnext.comOakley Capital acquires majority ownership of vLex
European private equity firm Oakley Capital acquired majority ownership of vLex to fund AI development and international expansion.
lawnext.comvLex becomes exclusive host of Irwin Law E-Library, acquires stake in Irwin Law
vLex became the exclusive online host of the Irwin Law E-Library and acquired a minority shareholding in Canadian legal publisher Irwin Law Inc. via a share purchase agreement effective August 2021.
globenewswire.comvLex acquires UK legal publisher Justis Publishing
vLex acquired Justis Publishing Ltd., a 33-year-old London-based legal publisher serving customers in 40+ countries, expanding vLex's global legal intelligence platform.
lawnext.comvLex launches Vincent AI legal research assistant
vLex introduced Vincent AI, an AI-powered legal research assistant that later became the basis for the company's generative-AI product line.
lawnext.comvLex raises €4M in early VC round led by Caixa Capital Risc
Barcelona-based vLex raised €4 million in early-stage venture funding led by Spanish investor Caixa Capital Risc.
finsmes.comvLex founded in Barcelona by brothers Lluís and Ángel Faus
Lluís Faus and his brother Ángel Faus founded vLex in Barcelona, Spain, to build a global legal research platform.
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