Our Team

Jack Allen III started his real estate career in June 2013, following in his dad's footsteps. In his first six months of business, Jack closed over $4,000,000 in transactions as both a buyer and seller agent for residential and commercial transactions. ...read more

Jennifer Sims is a connector of people and a tireless problem solver. Add in a constant curiosity for home features, interiors and finding a great deal, and you have a REALTOR® who is genuinely interested in helping clients successfully navigate each decision in their real estate journey. ...read more

Since the start of his real estate career, Brian has had the opportunity to close numerous residential transactions for clients from all walks of life, some looking for their first home, and others that are seasoned investors. ...read more



There’s no better word to describe the core element of every interaction, relationship, and transaction that develops with our clients. Trust is the foundation of our shared success, and it’s what sets us apart from other Realtors and Brokers.

Every member of the Allen | Sims Real Estate Group works tirelessly to earn your confidence by ensuring excellence in each step of the process, by drawing on decades of industry experience, and by taking a highly creative approach to buying, selling, leasing, and investing in real estate.



When you work with us, you’re supporting a locally-owned business. Our real estate team and our brokerage are headquartered in The Woodlands, TX. There’s no greater honor for us than to serve and support the community and residents of our hometown. We actively partner with individuals and organizations throughout our area in ways that honor relationships, strengthen families, maximize investments, and build up our community.  


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