Sustainable HR— as a division of Kollath CPA, we are a dedicated human resource outsource service team with over 30 years of industry experience serving Madison, Milwaukee, and the surrounding areas. Our division was created to assist businesses that have 1 to 50 employees with building a strong foundation that nurtures sustainability and growth. 

Our experienced consultants will work one-on-one with you to ensure that your business's unique needs are met. We offer temporary service to assist with staff leaves and long-term service, where a member of our team will feel like an extended part of your work family. 

If you would like more information on our outsource services, please email us at [email protected] call 608-416-1003.