Partner With Us
Unlock Your Potential With Sentinel Dock & Door
Ready To Become a Partner?
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Why Join Forces With Sentinel Dock & Door?
Supply Chain Leverage
Build relationships with suppliers and their contacts across the industry while taking advantage of discounts, bulk pricing, and more.
Full Administrative Team
Don’t worry about back-office support like human resources, accounting, and other office tasks. We’ll take it from here so you can focus more on helping your customers.
Opportunities for Growth
Work smarter, not harder. With Sentinel, you’ll have access to best-in-class tools and technology that streamline operations and maximize efficiency.
Essential Technology
Break through barriers with access to tailored learning and development programs for your team and stakeholders. We’re here to help you reach new heights—no matter where you’re starting from. Access to development and other learning opportunities for key team members and business stakeholders who would otherwise be capped out.
Technician Recruiting
Attract and retain top talent with a structured hiring and training program, backed by a well-known industry name. Our recruiting process ensures that you have a steady pipeline of skilled professionals to meet your growing needs.
Technician Training & Development
Standardized development paths ensure your team is always growing. With access to specialized training programs, hands-on learning, and career advancement opportunities, your technicians will be equipped with the skills and knowledge to succeed.
Core Values
At Sentinel, how we win is just as important as winning itself. These values aren’t just words—they’re the heartbeat of how we lead, grow, and serve.
Integrity at Our Core
We do the right thing, always. No shortcuts. No compromises.
We prioritize honesty, ethical decision-making, and accountability, even when it’s challenging. Integrity builds long-term trust and success.
Determination in Action
Challenges don’t slow us down—they drive us forward. We’re here to build something that lasts.
Our success is driven by resilience and perseverance. We keep pushing forward, no matter the obstacles.
Collaboration for Strength
We win together. Knowledge is shared, support is given, and success is collective.
We prioritize teamwork, believing that collective efforts lead to greater innovation, better solutions, and stronger relationships.
Servant Leadership
We lift others up—because when our people grow, our businesses grow.
Leadership is about serving others, empowering team members, and helping them grow. We prioritize uplifting others over self-interest.
See What Satisfied Partners Say

“Partnering with Sentinel has been transformative for Lenworth. Together, we’ve unlocked new opportunities and enhanced our services to better serve customers and stay ahead of the competition. Sentinel’s expertise has strengthened our operations and solidified our leadership in the dock and door industry.
This collaboration has also created significant benefits for our employees—opening new jobs, fostering skill development, and providing exciting career growth opportunities. Working with Sentinel has empowered our team to take on impactful projects, collaborate with industry experts, and grow professionally.
By aligning our visions and combining strengths, we are building something remarkable—driving innovation, creating opportunities, and shaping the future of our industry. Together, we’re not just leaders; we’re building a brighter future for everyone involved.”
– Helder Duque, Lenworth

“My wife and I started Mar-Lin Dock & Door 17 years ago and built it from the ground up. Last year we were approached by Trivest to join the platform. We didn’t take the decision lightly but after long thought, we are glad we chose to become a partner. We are confident that with Trivest’s knowledge and experience, we can take our business to the next level.
They are creating an entity of highly experienced leaders to make this platform one of the largest and most dynamic in our industry. We have never been more excited for the future.”
– Lincoln & Susanne Coghill, Mar-Lin Dock & Door

“We are very much looking forward to achieving goals that were not possible without a solid partner such as Trivest. Pro-Door & Dock will be much stronger working for a dedicated management team that can scale and grow the platform across this country and beyond. Trivest has proven to be very skillfulin achieving this many times in many different industries and that’s why we decided to partner with them.”
– Mark DeGasperis, Pro-Door & Dock

“Joining Sentinel represents a significant milestone for Door Doctor. We share Sentinel’s commitment to exceptional customer service and operational excellence. Partnering with Sentinel provides us with the opportunity to accelerate our growth, enhance our capabilities, and better serve our customers across Quebec and Ontario.”
– Gordie Lazare, President of Door Doctor

“Joining the Sentinel platform is an incredible opportunity for Secord. After 70 years of serving our customers with dedication and quality, we’re thrilled to partner with a company that shares our commitment to reliability and innovation. This collaboration not only strengthens our ability to serve our customers but also opens up new possibilities for growth and success. We’re excited to be part of Sentinel’s journey and look forward to achieving great things together.”