How can we assist you?

    Steffen specializes in mergers and acquisitions, private equity and buy-out transactions, management participations and property transactions. Steffen advises Dutch and foreign companies and private equity funds, as well as other investors in (inter)national transactions. He also advises management teams in buy-outs and insurers when warranty & indemnity insurances are taken out.

    Expert. Analytical. Result-oriented. Dedicated.

    Furthermore, Steffen is part of the Consumer Goods & Retail sector team.

    Steffen read Dutch law at the University of Amsterdam and obtained a cum laude postgraduate degree in corporate and business law. Steffen appears in print on a regular basis, covering corporate law issues.

    Mergers & Acquisitions Private Equity Acquisitions & Disposals Real Estate & Construction Steffen Alleman Steffen is a corporate law specialist in the broadest sense of the word, providing counsel and assistance on domestic and international mergers and acquisitions


    "Highlighted as 'an outstanding lawyer who makes the difference in getting a deal done. His knowledge, creativity, and negotiation skills put him on top of any legal advisory list'" - The Legal 500 EMEA 2019, Commercial, corporate and M&A

    "At Van Doorne, project finance is a core part of the real estate and projects practice. According to clients, 'what is different there from other law firms is that the work is absolutely reliable, nothing is forgotten'." - The Legal 500 EMEA 2019, Project Finance and PFI

    "The lawyers 'are results-oriented in negotiations', and 'all details are considered and appropriately addressed without losing sight of the overall goal'" - Chambers Europe 2019, Real Estate

    "... the firm's 'excellent knowledge of our needs related to the Amsterdam real estate market', and 'we discuss our expectations and needs upfront.'" -  Chambers Europe 2019, Real Estate

    "Perfectly co-ordinated and functioning team." - Chambers Europe 2018, Real Estate 

    "Hard workers, with unique technical focus and strength." - Chambers Europe 2018, Real Estate

    "In-depth knowledge and quick, practical and to-the-point." - Chambers Europe 2018, Real Estate

    "Van Doorne's practice 'reacts fast, and with useful knowledge'. As well as being active in PPPs, it acts on healthcare, retail, social housing and industrial construction projects." - The Legal 500 EMEA 2018, Construction

    "Van Doorne's team is frequently active on real estate developments and politically sensitive matters." - The Legal 500 EMEA 2018, Environment & Planning

    "Van Doorne's 'commercial' department is 'up to speed with market developments', and 'manages all parties well'." - The Legal 500 EMEA, Real Estate