Earn interest from residential mortgage loans

We have been successfully financing real estate in Dallas / Fort Worth for our customers for 15 years. All mortgages are secured in the first lien. We help you generate predictable returns in one of the world’s largest growth markets.

 Homes in Our Current Portfolio

The average purchasing price of the properties financed by Auxilium are in the lower six-digit range. In the past decade, Auxilium has not had a single loan default with more than $ 2 billion in total successfully originated mortgage loans.


Single Family Home


1,952 Sq Ft.  •  3 Beds  •  2 Baths

1722 Patton Dr.
Garland, TX 75042


Single Family Home


1,684 Sq Ft.  •  3 Beds  •  2 Baths

1912 Ruth St.
Arlington, TX 76010

3413 Key Largo, House, Texas


Single Family Home


1,963 Sq Ft.  • 3 Beds  •  2 Baths

3413 Key Largo Dr.
Rowlett, TX 75088


strict due diligence

Together with our licensed mortgage brokers, the title company and the borrower, Auxilium prepares all the necessary documents and coordinates the mortgage loan process.

Transparent loans

All mortgage loans are granted in a 12-step-process, which ensures the creditworthiness of the borrower. Loan applications is checked by our team and certified brokers.

1st lien mortgage

Every mortgage is secured in the first rank and offers the lender maximum protection against a loan default. For 15 years we have not had a single borrower defaulting on his mortgage.

Auxilium Interview with Inside-Wirtschaft

The managing directors Alexander Knopf and Scott Harvel in an interview with Manuel Koch

What our clients say

“In my financial affairs, I have trusted Alexander Knopf ‘s investment strategies for several years. Investing in residential loans of single-family homes in Dallas / Texas was one an innovative and lucrative idea: The installments are paid on time and I am very satisfied with the fixed-income in these troubled investment times.”

Susanne R.


“I traveled to Dallas myself to get to know the Auxilium team, as well as this fast-growing metropolis. After my return I made an investment of $ 130,000. The professionalism and experience of the team have convinced me. I would at any time visit this city again and will invest again. “

T. Danneberg


“We have been successfully investing with Mr. Knopf for over 15 years. We took advantage of the opportunity to diversify in USD and made two investments in single-family home mortgages. Most important to us are the regular interest payments, the  interest rate and the reliable redemptions. We will invest again. “

E. & A. Roth, Unternehmer


Attractive returns with residential mortgage loans

Buying your own house is part of the American way of life and makes financial sense, since home loan interest is tax deductible in the USA.

growing Market

The Dallas / Fort Worth (DFW) area is the fastest growing metropolitan area and is now the fourth largest metropolitan area in the United States.

substantial experience

Auxilium’s mortgage loan portfolio is managed by a team with over 50 years of experience in residential home mortgage loans in the DFW area.

strong middle class

Since 2000, 120,000 new people have moved to Dallas every year. The per capita income is $ 61,883, above the average income in the United States.

1722 Patton House Dallas, Texas

A new Portfolio

Auxilium gives investors the opportunity to benefit from the financing of around 230 single-family homes with 1st lien mortgages – simple, transparent and tradable at any time.

We offer fully digital access to real world real estate assets.

Interest and amortization

The borrowers continuously pay interest to Auxilium and repay part of the loan. Auxilium pays interest to its investors every six months and uses the repayments to originate additional home loans.


Upon the date of maturity, the entire mortgage portfolio is sold on the commercial credit market and the investors are redeemed their deposit.

Learn more.

“Our team has been successful in the USA for 20 years. Now you can benefit with us too, safely and predictably.”

Alexander Knopf
Auxilium Invest GmbH

Sustainable returns in the largest real estate market in the world

With an investment in Auxilium, you get attractive returns and can start building up sustainable wealth in the growth market of Dallas.