About Us
Years of Experience
Optax
Taking the stress out of compliance
The Optax team are passionate about providing bespoke advisory and software solutions. We are committed to offering great value outsourced advisory and compliance services using market-leading technology & expert advisors.
Founded in 2019
Experienced advisors
Specialised technology
Collaborative service
Our Clients
Clients ranging from 2bn to 500bn AUM
Quentin Johnson
Founder and CEO
Quentin Johnson is a qualified US Lawyer and US Accountant and founded Optax in 2019. He is a leading international expert in FATCA, CRS & US withholding tax.
Quentin also designed and built Emprise, a suite of tools specifically for private equity. Emprise stores and manages legal entity and investor data and dynamically visualises relationships.
Prior to starting Optax, Quentin worked in the US Business Tax Team of Deloitte, London as FATCA & CRS lead for funds. He also led the US withholding tax team, and managed US tax reporting and advisory engagements. He graduated from the University of Wisconsin, Madison and also holds an MBA.