Decades of experience tailored to meet your needs

David Strejeck, Founder

Based in the greater Pittsburgh area, SUMTIS, LLC is a national business development company specializing in the real estate industry. Founder David Strejeck has spent his entire career in business development, and based on his experience knows that all related real estate firms and owners have a common goal – GROWTH. But he also recognizes that many firms or owners may not have the experience or time to make it happen. That’s where SUMTIS, LLC comes in. We leverage decades of specialized and successful business development skills to help your firm realize its’ maximum value. Whether you’re seeking organic growth or a more aggressive approach through Mergers & Acquisitions, SUMTIS, LLC can open doors to unlimited possibilities.

David Strejeck, Founder

Blair Strejeck joins the SUMTIS team with the goal of expanding the services of SUMTIS Business Advisors throughout Virginia. Based in Northern Virginia, Blair assists business owners and buyers in meeting their strategic and personal goals. Whether it’s to sell a business or buy an existing business, Blair’s results-oriented approach is a true value to clients. Blair is a licensed real-estate professional in Virginia, bringing an additional benefit to clients navigating the sale or acquisition of real estate. Outside of SUMTIS, Blair is a varsity linebacker coach for the nationally ranked Gonzaga High School football team in Washington, DC, where he calls upon his experience as a former D-I football player to help develop, coach, and mentor student athletes in reaching their full potential.

It’s all about growth.

From organic techniques to strategic M&A, we offer growth solutions that align with your vision.

Business Development

Whether you want to expand into other markets, create a new vertical product group, or add a new revenue stream, we’ll create a plan, starting with who and where.

Business Planning

Often overlooked by some of the best owners in the world, business planning is essential to your firm’s success. We’ll help you create a solid plan of action.

Mergers & Acquisitions

Organic growth isn’t your only option. We’ll work with you to identify logical M&A prospects that would be a good cultural and business model fit for your firm.

Broker/Team Recruitment

We’ll help develop a recruitment strategy and identify from the industry talent pool the best broker-agents and new vertical specialists for your firm.

We’re Here To Help Your Business Grow

Let’s Get Started!