Nathan Teinert

Executive Chairman @ Graystone

About

Executive Chairman of Graystone | M&A Advisor | Entrepreneur Seasoned business leader and entrepreneur with over a decade of experience advising founders through high-stakes business sales, mergers, and strategic exits. I’ve led and supported hundreds of transactions ranging from 7-figure acquisitions to 9-figure roll-ups — helping business owners maximize value, navigate complexity, and exit with confidence. My background spans M&A advisory, private equity, and growth consulting — with a deep focus on negotiation, team leadership, and building elite deal pipelines. I bring a direct, relationship-driven approach grounded in real-world execution, not just theory. Currently leading Graystone International, where we specialize in selling businesses valued between $5M and $100M to a global network of private equity groups, family offices, and strategic buyers. Let’s connect if you’re exploring a business sale, building an exit plan, or looking to unlock liquidity in your company.

Country

United States

City

Greater Houston

Industry

Investment Banking

Skill

Business Strategy, Mergers & Acquisitions (M&A), Contract Law, Customer Service, Entrepreneurship, Strategic Planning, Business Development, Marketing, Sales, Sales Management, Landscape Architecture, Horticulture, Landscaping, Landscape Design, Management, Team Building, Contract Negotiation, Negotiation, Public Speaking, Leadership

Experience

Executive Chairman

Graystone

2025-5 - Present · 1 yr 5 mos

United States

Chief Executive Officer

Graystone

2020-1 - 2025-5 · 5 yrs 5 mos

United States

• Founded and leads Graystone, a renowned name in the M&A industry, nurturing relationships and providing insightful deal strategies. • Achieved client success through keen insights and strategic guidance, ensuring optimal outcomes in the competitive market. • Spearheaded innovation and growth at Graystone International, positioning the company as a leader in the industry.

Chief Executive Officer

AngelQuest

2016-3 - Present · 10 yrs 7 mos

Austin, Texas Area

• Led a team of business leaders at AngelQuest, focusing on entrepreneurship, innovation, and business development. • Implemented strategic initiatives to drive growth and success for the family office. • Achieved significant revenue growth through innovative business strategies and partnerships.

Partner

Landmark Landscape Group

2009-1 - 2024-10 · 15 yrs 10 mos

Texas, United States

• Led the growth of Landmark Landscape Group from a college startup to a state-wide success, serving prestigious commercial properties. • Developed strategic partnerships and expanded client base, resulting in significant revenue growth and acquisition in 2024. • Implemented innovative landscaping solutions, enhancing the company's reputation for quality and excellence.