D&D Ultimate Connection LLC, DBA UpGrade Security Solutions, is a New York–based MBE, DBE, and SBA‑certified 8(a) small business delivering end-to-end physical security, telecommunications, and low-voltage infrastructure for public and private sector clients We specialize in CCTV, access control, intercom and audio/video systems, structured cabling, electrical service, and burglar alarms—all supported by a fully licensed, insured, and bonded team.
Procurement, Telecommunications, Physical Security
For public and private entities. Minority owned small business with MBE, DBE & 8(a) certifications. One-stop vendor for networking equipment, installation physical security, voice and data installation.
Our founder, Donnell J. Slay, began his career as a BICSI-certified technician, mastering the complexity of physical security and telecom systems. In 2010, he launched D&D Ultimate Connection, and by 2017 the company secured its first major public-sector contract with the NYC Transit Authority, setting the stage for continued growth across city, state, and federal agencies.
Why Choose Upgrade Security Solutions
UpGrade Security Solutions has built a stellar reputation based on:
TECHNICAL EXCELLENCE — flawless design, installation, and maintenance
RELIABILITY — on‑time completion and responsive customer service
COMPLIANCE — licensed services, GAAP-aligned accounting, and full bonding ($1M+/project)
CLIENT TRUST — delivering critical infrastructure for MTA, NYPD, EPA, Con‑Ed, QPL, and others
We operate with the motto: “Security is always excessive—until it’s not enough.” That means meticulous planning, transparent execution, and lasting peace of mind for our clients.
“Prepare and prevent, don’t repair and repent.”
Why Choose Us
- Turnkey Solutions: From initial procurement through final inspection—we’re your single-source partner.
- Modern Technology Partners: Working with Cisco, Axis, Dell, HP, and more to build scalable systems.
- Client-Centric Mindset: We work harder than anyone to ensure seamless results—your satisfaction is guaranteed.
- Trusted & Covered: $1M Workers’ Comp, $3M General and $2M Professional Liability insurance
Some Of Our Clients
