The Oak I Once Wanted to Be Buried Under
"I don't sell tax savings. I help people prepare a decision like this so that it holds up."
A welcome from Managing Partner Sebastian Sauerborn
Sebastian Sauerborn explains why Mount Bonnell is based in Austin, how we work and what entrepreneurs can expect from a consultation on their US plans.
Learn more →About Sebastian
Meet the founder and Managing Partner: his path from London to the USA, his work with international entrepreneurs and the specialist sites that are part of the group today.
Learn more →Our fees
What our work in the USA costs and how our fees for consultations, tax work and ongoing support are structured.
Learn more →Work with us
How to become a client: from the first conversation and the engagement through to working together on US tax, company formation and administration.
Learn more →Client care
Who looks after you, how we organize our work together and how our team in Europe and the USA works on your case together.
Learn more →Partnership inquiry
Are you a lawyer or accountant looking for a reliable partner for the US side of a client matter? We have worked with colleagues across Europe for many years.
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