About David Mark
David Mark Bastiaans builds a practice at the intersection of accounting and corporate law. He moved from a numerical discipline into legal advocacy, carrying a background in accounting that still shapes his approach. Colleagues describe him as methodical; clients find him steady in complex transactions.
He began his academic path in accounting, earning a B.A. in Accounting from Western New England College. He then pursued legal training, taking a J.D. at Western New England University School of Law. Later he completed an LL.M. in Business Transactions from the University of Alabama School of Law. The additional graduate degree sharpened his grasp of deal structure and commercial agreements.
Before and alongside law practice, Bastiaans qualified as a Certified Public Accountant through the Virginia Board of Accountancy. That credential informs routine tasks that many lawyers hand off to outside advisers. He also holds a Certified Exit Planning Advisor designation from the Exit Planning Institute, an indicator of specific work with owners preparing and executing business transitions.
Bastiaans is licensed in both Virginia and Massachusetts. He has counseled clients on matters where tax, accounting, and corporate law overlap. His work typically involves corporate and transactional matters, deal documentation, and advising business owners on sale and transition strategies. He handles the practical accounting issues that arise in transactions as readily as drafting the legal instruments that close them.
Over the years he has worked on a mix of transactions for privately held businesses. He prefers work that requires attention to financial detail and the kind of planning that protects value for sellers and buyers. He brings the CPA’s attention to numbers and the lawyer’s attention to language to each file. That combination shapes how he evaluates risks, allocates post-closing liabilities, and negotiates purchase agreements.
He maintains an office at the Convergence Center and practices across matters that touch business operations, tax consequences, and exit strategy. Bastiaans balances paperwork and planning; he spends as much time on spreadsheets and tax schedules as he does on negotiation and drafting. He currently focuses his practice on corporate transactions, tax and accounting issues, and exit planning for business owners.
