Mark has more than 30 years’ experience advising clients on corporate transactional work in a variety of sectors, including technology and the services sectors.
His focus is advising on both cross-border and domestic private company transactions, including mergers and acquisitions (M&A), venture capital and private equity deals. He also works extensively on corporate fundraising, including equity capital markets work, in particular on AIM. Mark’s experience includes handling joint ventures, shareholder agreements, group reorganisations and issues relating to shareholder disputes and share rights held by senior executives.
Mark is valued by clients for being commercial and pragmatic, avoiding the usual “shades of grey” advice and making firm recommendations.
Experience
Advising Nomios, a European cybersecurity services provider, on its private equity-backed acquisition of Dionach, a UK cyber security consultancy.
Advising the Marvesting Group (headquartered in France) on its acquisition of Stellar Global Holdings Ltd.
Advising the shareholders of The Scale Factory, an Amazon Web Services (AWS) advanced consulting partner, on its sale to the Ten10 Group.
Advising the shareholders of Altitec Trading Limited and, separately, the shareholders of Obelisk Energy Limited (and their related group of international companies) on the sale of both groups to Danish-based energy group Swire Renewable Energy A/S.
Advising Allenby Capital and OAK Securities on Pathfinder Minerals PLC’s reverse takeover of Rome Resources Ltd and £4m placing.
Advising the shareholders of Just After Midnight Limited on the multi-million-pound sale of its entire issued share capital to private equity-backed Ultima Business Solutions. Mark and his team were instructed on this mandate 11 days prior to completion. The transaction demonstrates his and his team’s capabilities of working on complex, time-critical international M&A transactions and further highlights his expertise in the technology sector.
Testimonials
Mark Tasker’s counsel throughout a complex cross-border reverse takeover involving two entities respectively listed on the London Stock Exchange and the Toronto Stock Exchange was invaluable.
Legal 500 2026
Mark Tasker is extremely sharp, especially on complex subjects. He is rigorous, an expert and exceptional strategist, and an outstanding negotiator.
Legal 500 2026
Mark's deep experience shows and genuinely makes a difference at the sharp end of a deal. He commands a meeting and gets things done.
Chambers UK, 2025
Mark's insights
News
Nov 7, 2025
Wedlake Bell advises the Nomios Group on its acquisition of Intragen, a leading European digital identity and access management specialist
Headquartered in the UK, Intragen operates across several key European markets, reinforcing Nomios’ presence in the UK&I, Benelux, DACH, Nordics and Greece, and expanding its international footprint. This transaction marks a major milestone in the strategic growth of Nomios and
Understanding some of the key language (and documents) used in M&A transactions
HOT – Heads of Terms / LOI – Letter of Intent / Offer Letter Often referred to by different names, this document sets out the key terms of the deal before it is actually formally signed, including price and the
How to make your offer irresistible when buying a tech business
Sellers are increasingly discerning, seeking not only strong valuations but also strategic alignment, cultural fit, and a smooth transaction process. To secure the deal, your offer must be compelling, credible, and carefully constructed. Take time to understand the seller’s priorities
