What People Say About Us

The team at NAI Sioux Falls works to provide value to their clients at every stage of their transaction. Read what some of our clients have to say about our approach.

"2020 was a challenging year for most businesses, but office leasing must have been at the top of that list! Marcus Mahlen was incredibly persistent in listing, showing and obtaining a signed lease for my office space despite the added challenges of a pandemic and work-from-home focus. I would recommend NAI Sioux Falls for all of your commercial real estate needs; they exceeded my expectations in every way."

Korena Keys
KeyMedia Solutions

“Michael has helped us with multiple multi-family transactions in Sioux Falls and the region.  His market knowledge is invaluable, and his commitment to his clients is his highest priority.”

Tessa Frank
Regional Vice President – Tzadik Management

Rick Christian and Andy Venkantesan

James Buss
Buss CPA

Reed Burson
Short Staffed, Inc.

Stacey Tieszen
CASA Sioux Falls

We chatted with Kelli about her experience working with Gregg Brown.

Kelli Anderson
Resources for Human Development Shared Living

Rave reviews for Marcus Mahlen from Emily at Encompass Mental Health, LLC in Sioux Falls. 

Emily Learing
Encompass Mental Health, LLC

Archit Shah
OrangeTheory Fitness Sioux Falls

"Marcus did a great job coming up with various options to try to fit our needs and once we zero'd in on an option, he was great at negotiating with the lessor and us for terms that worked for both parties."

Patrick Sweetman