About Us

Jacob Werthem, Owner 772.634.0517

Jacob Werthem is the owner of Signature Construction Group.

Jacob Werthem is the owner of Signature Construction Group.

He has been in business since 2006 serving the Treasure Coast and Palm Beaches. Jacob is a certified general contractor. We specialize in Home Additions, Full Home Custom Remodels, Kitchens and Bathrooms.

We can't wait for the opportunity to earn your business.

Jacob is a native Floridian from Daytona Beach. His wife, Tammy Werthem, is also a native of Central Florida. She is a Realtor in Stuart, Florida. They enjoy buying, renovating and selling properties. Jacob loves surfing, fishing, hunting and all things outdoors. He coaches baseball with their two sons.

​As a family, they love boating, travelling and playing sports. They are active in their church and volunteer in the community.

About Us

Brian Werthem, Owner 239.300.1951

Brian Werthem is the owner of Signature Construction Group.

Brian Werthem is the owner of Signature Construction Group.

Brian Werthem is the owner of Signature Construction Group (SCGNaples, LLC) and serves as the primary point of contact for all clients, suppliers and subcontractors.

Brian has called Naples home for over twenty years. A native Floridan, born in Daytona Beach, Brian enjoys golfing, fishing, and spending time with his wife Rachel and twin daughters.

Brian's employment began in hospitality and customer service in 2001, where he served on the launch team at The Ritz-Carlton Golf Resort of Naples. Brian transitioned to 5 Star Valet (a boutique valet parking company in Naples) in 2011 where he served as Vice President of Operations. His wealth of experience in customer service, employee management, and client retention has set the foundation for SCGNaples. Brian believes in building relationships, open transparency and constructing your dream project.


A general contractor is the person who is in charge of the construction site. He also supports you through a thorough design consultation. The contractor will provide you with a Free Estimate which will give you a price for the desired project.

Contractors use their contracts, agreed upon by both the homeowner and the contractor, as the blueprint for all aspects of the job. Depending on the scope of the job, an architect will be involved if there is not a design already selected.

Contractors will apply for and provide the homeowner with permitting and other forms necessary to get the project started.
The contractor will use subcontractors and their crew to perform the project. He is accessible at all times to answer and questions and make any necessary changes to the project.

When you Hire Signature Construction Group you are hiring a company with a great reputation, outstanding customer satisfaction, meticulous craftmanship, years of experience and personal attention.
We want you to be 100 percent satisfied with your project, so that we can become your contractor of choice and depend on your referrals to friends and family.