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MK Tax leverages the talents of key players who have been working together for the past seven years to deliver superior service to our clients. Now a boutique start-up tax firm, backed by 30 combined years of expertise in this niche, our team consists of seven professionals, plus support staff, all dedicated to serving you.  So, from one start-up to another, we can identify and appreciate the various challenges you face and are well prepared to help you overcome them.

Serving Israeli high and low tech companies, start-up to mid-size, with all their US tax needs.


We believe your US ventures are destined for success, and we're here to help you reach that destination.

MK Tax


The MK Tax Experience:

  • Expertise – Broad team experience in serving and advising hundreds of Israeli hi tech companies on their US operations. From ongoing operations to annual filings to extensive due diligence, we have successfully dealt with hundreds of satisfied clients. Our specific fields of expertise are US and international tax planning, federal and state tax compliance, sales tax matters and audit resolution.

  • Hands On Approach – Simplifying the tax matters and designing your individual path to doing successful business is our goal. At MK Tax we take part in every milestone of your company to ensure all your tax and related needs are met while advancing your company’s financial benefits.

  • Location, location, location – Our unique combination of being US accountants located in Israel during your time zone, speaking your language and understanding your culture actually makes dealing with US taxes an enjoyable experience.


The Founder, Miriam's words sum it up best: "It truly is invigorating to me to be able to empower startups to broaden their scope by simplifying the math and designing their unique path."

San Francisco
San Francisco
San Francisco
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P: 073-794-4200

F: 073-794-4201

Our Services

Designing your path isn't just our motto, it is our underlying foundation. The following are general services we offer. Meet with us to understand the full scope of everything we have to offer you and your company.

Tax Preparation

  • Federal –  Forms 1120, 5471, 5472, 1099, FBAR

  • State – Annual Income Tax and License Maintenance

  • Local – Property filings and registrations

Company Setup

  • Forming Corporations

  • EIN Application

  • Bank Account

  • Payroll Setup

  • Filing Form BE-13

State Licenses & Tax Filings

  • License to do Business

  • Employer Registration

  • Sales Tax Account Setup

  • Sales Tax Guidance

  • Sales Tax Filings

US & International
Tax Planning

  • Designing Intercompany Relationship

  • Transfer pricing techniques

  • Employee Stock Options

  • Relocations

Founding Partner
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The Founding Force

Miriam Konstam, CEO

I'm a people person. I love connecting people and ideas, widening my network and sharing my knowledge. That's why it's kind of funny I became a number crunching accountant. But that's why I can always find a fresh way of looking at your issues. I believe in working creatively yet efficiently towards designing your individualized tax solution.

As a born and bred New Yorker, now living in Israel for close to twenty years, I think of serving the Start Up Nation on US corporate tax matters as my own personal contribution to this tiny yet amazing country we now call home.

Particularly, living in Jerusalem, and raising my family in the heart of Israel, I have come to deeply appreciate the warmth, vibrancy and resilience of our people. Whenever the going gets tough, I draw on inspiration from you, my clientele who have taught me that this is Israel where “survive & thrive” is our middle name. And it is you and being involved in your successes who make it all worthwhile.

It's also a privilege and honor for me to create professional opportunities for other women enabling them, just like me, to advance their careers and continue to raise their families in our nation's home. In addition to cultivating a team of highly skilled women, at every opportunity, I lecture on tax matters to religious women seeking professional guidance.

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