Ionson Law

Ionson Law

Cost Effective Business Lawyer, Immigration Lawyer & Estate Planner

Firm Overview

Ionson Law provides counsel and representation in a variety of business matters including business formation/governance, contract drafting/review, real estate, employment matters as well as copyright and trademark registration. Ionson Law's practice focuses around representing entrepreneurs and small business owners in LLC & corporate formation as well as provide counsel in business transactions and estate planning issues. Ionson Law strives to be the one firm for business transactions and will work with clients not only from a legal perspective, but human perspective with business concerns when providing legal advice. Call Ionson Law today for a free phone consultation and allow us to assist you with your legal issues.

Main Office
Ionson Law
545 Concord Avenue, Suite 22
Cambridge  MA  02138
  • (781) 674-2562


Free Initial Consultation?
Yes - 30 Minutes
Services Offered For Fixed Fees?
Business formations, boilerplate contract preparation, estate planning & many immigration matters.

Office Information

Office Hours
By Appointment
Emergency After Hours
We provide prompt, cost effective representation in a variety of business matters from entity formation, contract drafting, employment matters, regulatory compliance as well as shareholder and commercial litigation.
We represent clients in all area of business practice including, but not limited to helping new individuals start their business by explaining the type of entities available from which to conduct the business to consulting and addressing any additional regulatory requirements in running the business.

We also assist clients in protecting their business interests, by preparing boilerplate contracts that can be used with their customers as well as prepare custom contracts for specific business transactions. To this effect, we provide comprehensive representation in preparing and negotiating licensing, service, sales, distribution joint-venture, development, leasing, confidentiality, employment, product sales, shareholder and acquisition contracts.

In addition to providing comprehensive transactional representation, we also represent clients in commercial and shareholder disputes by providing comprehensive, yet cost effective advice to address not only legal issues, but maintain an eye towards ensuring business continuity.

Call a small business lawyer at Ionson Law today for a free consultation.

David Ionson

David Ionson holds a juris doctorate from Northeastern University, School of Law, and is licensed to practice law in the Commonwealth of Massachusetts. He is a member of the Massachusetts Bar Association, the American Bar Association and the Boston Bar Association, and is admitted to practice before the United States Tax Court.

Mr. Ionson also holds an MBA specializing in international business, operations management and entrepreneurship, and an M.S. degree in accounting, both from Northeastern; and a B.S. degree (magna cum laude) in criminal justice, with a minor in political science, also from Northeastern.

Mr. Ionson, who serves as general counsel and operations manager at Oncam Global Inc., a Lowell, Mass-based total-security-solutions company covering the Americas, was a paralegal and corporate tax intern at Raytheon Company, where he was responsible for the preparation of various tax-analysis memoranda related to corporate acquisitions, divestiture and restructuring. He also assisted the company’s tax team in such international matters as the Oman tax structure, GST registration in Singapore and tax implications pursuant to the Status of Forces Agreement in Iraq.

As a legal intern at Deloitte Tax LLP, National Grid and the Massachusetts Department of Youth Services, Mr. Ionson assisted senior counsel and executive management in various legal tasks, including researching and preparing legal memoranda on functional and hyperinflationary countries and the use of DASTM. He also prepared draft administrative regulations and governmental policies, as well as prepared tort presentment responses and reviewed rights under various contracts and leases.

A paralegal working for BISYS Fund Service, where his clients’ net assets exceeded $10 billion, Mr. Ionson was responsible and jointly accountable for various regulatory filings for a number of mutual funds, and was responsible for preparing and occasionally presenting materials to clients at board meetings.

When he worked as a paralegal at Barron & Stadfeld, P.C., Mr. Ionson successfully assisted and was jointly accountable for the preparation and closure of 130 commercial-real-estate transactions valued at more than $40 million.

For more than a decade, Mr. Ionson has been the operations manager of the Lexington, Mass.-based Hayden Recreation Centre, where, in addition to his responsibility for employee and customer relations, he also tutors and is an instructor of woodworking, martial arts, soccer, basketball and baseball. His organizational skills also have well served the YMCA of Cambridge, Mass., where he developed and implemented a sophisticated registration and financial tracking system.

  • Bar Number: Commonwealth of Mass
  • Bar Number: United States Tax Co
  • Northeaster University School of Law
    Juris Doctorate
    Boston, MA
  • Northeastern University
    Boston, MA
  • Northeastern University
    Boston, MA
  • Northeastern University
    Criminal Justice
    Boston, MA