Our Expert Team​

Mission and Value


Our mission is to provide our clients with the highest level and quality of sales and indirect tax services, while remaining at the forefront of technological advancements within the industry. We believe that by embracing new technologies and driving innovation, we can provide our clients with the highest level of tax calculation accuracy, the easiest to use automated tax system, superior customer support and service and an overall better value for their tax compliance dollars spent.   



We offer a full line of accounting services with automations and sales tax solutions.


We will communicate and educate your team as to the processes that we are following and the why to show reasoning for all our tasks.​


Meet our team, 100% remote working all over the world to bring together world class experts.​​

About Us

Ampersand is a specialized, full-service sales and indirect tax consulting firm that provides a full-suite of bespoke services to e-commerce and multi-site operating companies that are required to manage a range of sales and indirect taxes across the U.S. and around the world.

The Ampersand symbol (&) means the word “And” and at Ampersand we have combined the Service of delivering comprehensive, expert solutions for our clients with the Science of sales and indirect tax management and compliance, making us the leading cloud-based consulting firm specializing in sales and indirect taxes with expanded services for GST, HST and VAT for international business.

Ampersand’s Expert Services combined with its Aqueduct Technology Platform – The Power of &.

Our Team

Peter Mantell

Founder & CEO

Steven Leung


Cathy Quenzer


Rob Mason


Chris Stierle


Let's Get Started Now!

Contact us today to learn how we can help you take your business to the next level!

Accounting & Sales Tax Professionals For E-Commerce Professionals.

Ampersand Accounting, LLC
32 N Agusta St Suite 6

Staunton, VA 24401

Copyright © 2024 Ampersand | All Rights Reserved.