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Dee Sian-Bieleman

Partner

England & Wales

020 3319 3700

dee.sian@keystonelaw.co.uk

“Thank you for the tremendous effort and support. I very much appreciate the work itself but also the manner and professionalism with which it was approached: yet further vindication of our decision to have Keystone supporting us on venture capital deals”

- Joe Seager-Dupuy, Investment Director, True Global

Dee is a highly rated corporate lawyer, with over 27 years’ experience in the field. She specialises in venture capital, private equity and a broad range of private company M&A transactions.  Dee advises financial institutions and companies on their investments, refinancing’s and shareholder arrangements, as well as corporates (including private equity backed corporates) and individuals on mergers, acquisitions, disposals, and reorganisations and restructurings, in each case across most sectors.  

Dee also has extensive experience advising on EIS, SEIS and VCT investments and on transactions in the healthcare, retail and technology sectors. 

Expertise

Dee Sian-Bieleman advises financial institutions, management teams and companies on venture capital and private equity transactions through all stages of the investments, as well as exits, bolt on transactions, corporate governance and reorganisations and restructurings. 

Experience

  • Acted for True Capital on various technology, wellness and brand investments. 
  • Acted for ERA VC on its investment in a mushroom wellness brand, co founded by Ellie Goulding 
  • Advised Calculus Capital’s EIS and VCT funds on numerous investments in the technology, leisure and film sectors 
  • Advised Redrice Ventures on various investments in the wellness and retail sectors 
  • Acted for Portfolion Digital Private Equity on various investments  
  • Advised Beringea on numerous investments in the technology, leisure and retail sector by its VCT funds as well as a number of successful exits, including the sale of Monica Vinader. 
  • Acted for Mobeus Equity Partners (now Gresham) on the investment by its VCT funds in BookingTek Limited 
  • Advised Sovereign Capital Partners on various homecare, care home and supported living investments 
  • Acted for a senior lender on the corporate aspects of its acquisition finance facility to support the MBO of a number of care home businesses 

Dee Sian-Bieleman advises corporates, shareholders and investors on domestic and cross-border mergers, acquisitions, disposals, and reorganisations and restructurings, managing all aspects from term sheet, due diligence and deal execution to post-completion integration. 

 

Experience

  • Acted for City and County Healthcare Group (under various PE backing), the UK’s largest domiciliary care provider, on over 55 acquisitions in the homecare and supported living sector 
  • Advised Clinical Partners Limited on the acquisition of Oxford ADHD 
  • Acted for Independence Products Limited (backed by Graphite Capital) on its acquisition of Principality Medical Limited 
  • Acted for the buyer on a £35m acquisition of a furniture and manufacturing business. 
  • Advised Sovereign Capital Partners on various homecare, care home and supported living portfolio matters 
  • Advised a cosmetic surgery business on its corporate reorganisation and restructuring 

Dee Sian-Bieleman advises companies in the healthcare sector on their M&A activity, including bolt or strategic acquisitions, as well as advising on reorganisations and restructurings. She also advises financial institutions and investee companies on fundraisings in the healthcare and wellness sector. 

Experience

  • Acted for City and County Healthcare Group (under various PE backing), the UK’s largest domiciliary care provider, on over 55 acquisitions in the homecare and supported living sector 
  • Advised Clinical Partners Limited on the acquisition of Oxford ADHD 
  • Acted for Independence Products Limited (backed by Graphite Capital) on its acquisition of Principality Medical Limited 
  • Advised Sovereign Capital Partners on various homecare, care home and supported living portfolio matters 
  • Acted for a senior lender on the corporate aspects of its acquisition finance facility to support the MBO of a number of care home businesses 
  • Advised for True Capital on various wellness investments. 
  • Acted for ERA VC on its investment in a mushroom wellness brand, co founded by Ellie Goulding 
  • Advised Redrice Ventures on various investments in the wellness sector 
  • Advised a cosmetic surgery business on its corporate reorganisation and restructuring 

Please note: The experience list above may include examples of work completed prior to joining Keystone Law.

Recognition

Recognised by The Legal 500 as a Leading Individual for M&A: Smaller Deals, £10M–£100M 2023–2027

Recognised by The Legal 500 for Venture Capital 2018–2027 

Recognised as a Next Generation Partner by The Legal 500 for M&A: Smaller Deals, Up To £50M 2014 & 2022

“Dee Sian-Bieleman is always very diligent and thorough. Dee is also very available and has been able to turn work around on an extremely tight deadline including across weekends and holidays”

The Legal 500 2025

Dee qualified as a solicitor in 1998. Prior to joining Keystone Law in 2013, she worked at the following firms: 

  • Marriot Harrison 
  • Addleshaw Goddard 
  • Charles Russell Speechlys 
  • Osborne Clarke 

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