Samantha Si is an associate in the London office of Latham & Watkins and a member of the Corporate Department.

Ms. Si’s practice focuses on cross-border mergers and acquisitions, emerging companies, venture capital, and general corporate matters.

In addition to her legal practice, Ms. Si is a member of the firm’s Diversity Leadership Committee (previously being a local leader of Latham’s Women Lawyer Group in London) and leads certain initiatives for pro bono clients of the firm, including Cancer Research UK.

Ms. Si previously trained in the firm’s London office gaining experience in litigation and trial, corporate, project finance, and real estate finance matters.

Ms. Si’s experience includes advising:


  • Open Co, an online lending platform for individuals, in its acquisition of BizCapital, a B2B SME lending platform
  • Eleusis, a life sciences company dedicated to transforming psychedelics into medicines, on the sale of the company to Beckley Psytech, a clinical stage company operating in the same sector
  • Duke Street, Wagamama management, and certain other shareholders in connection with the acquisition by The Restaurant Group plc of the Wagamama group companies
  • Platinum Fortune on the sale of Jagex, a UK gaming company, to Carlyle
  • LanguageLine on its acquisition of Capita Translation and Interpreting, a translation and interpretation business
  • OTA on its acquisition of Kriya RevGen LLC, a hotel revenue management solutions platform
  • Novolex (a Carlyle portfolio company) on their acquisition of Vegware, a pioneer in plant-based compostable food service packaging and utensils 
  • Fortress Investment Group on the acquisition of Vannin Capital, a UK-based litigation funding business
  • 4Wall Entertainment, an AV equipment provider on its acquisition of Smart AV
  • Hellman & Friedman on the disposal of a minority stake in the Securitas Direct Verisure Group
  • Astorg Partners on its acquisition of Audiotonix, a global producer of audio mixing consoles
  • Integro, an Odyssey Investments portfolio company on its acquisition of Risk Transfer Group, an international insurance and reinsurance broker
  • An asset manager and a private equity firm on the acquisition, and re-investment in a global specialist insurance and reinsurance broker

Emerging Companies

  • Bessemer Venture Partners on’s US$30 million Series B round
  • Index Ventures as lead investor on the US$52 million Series B funding round of GetHarley
  • Euler on its US$32 million financing round led by Haun Ventures with participation from Variant, Jump Crypto, and Uniswap Labs Ventures, among others
  • RobinAI, a legal-tech startup, on its Series A and Seed rounds
  • Tactic on its seed financing round led by Index Ventures, joined by Visionaries Club and IFG.VC 
  • Crowdcube on its US$13.5 million financing led by Circle alongside existing investors 
  • Osler Diagnostics on its US$85 million Series C round
  • Carbon Clean, a global leader in cost-effective industrial carbon capture, on the investment made by Chevron, one of the world’s leading integrated energy companies
  • Moneybox on its £30 million Series C fundraising round
  • Lead investor in Foretellix’s US$135 milion Series C round
  • Lead investors on the financing round of Brusa HyPower
  • Lead investor in Cambridge Epigenetix’s US$88 million Series D round
  • Lead investor in Oviva’s US$80 million Series C round
  • Investors in H2Pro Ltd’s US$75 million Series B round
  • Lead investors in V7’s US$33 million Series A round
  • Climate Innovation Capital on its investment in Groundwork’s US$18 million Series B round
  • The joint lead investors, Coatue and Index Ventures, on their US$49.25 million investment in the US$151 million Series A-2 fundraising round of Linktree, a social media reference landing page / bio link tool
  • Index Ventures on multiple series financings in various startups and growth companies including Beauty Pie, Sylvera, Motorway, LocTax, Workbounce, and Okendo


  • Just Group Plc, on the increase of its reinsurance coverage on tranches of existing and new business, and the expected implementation of a new mortality basis, in its longevity reinsurance arrangements with two reinsurers (SCOR SE and General Reinsurance)
  • Rothesay Life plc on a new longevity reinsurance arrangement with MetLife

Bar Qualification

  • England and Wales (Solicitor)


  • LPC, BPP Law School, 2016
  • LLB, London School of Economics and Political Science, 2014
    Upper Second Class Honours

Languages Spoken

  • English
  • Chinese (Mandarin)
  • Malay