2,200+
Voice & UC Customers Supported
across enterprise-scale communications deployments
82
Customer Net Promoter Score
driven by a reputation for superior results and world class support
140+
Voice & Collaboration Providers
including global, regional, and cloud-native platforms
Solution Overview
Find Communications That Fit the Way You Work
At UPSTACK, we meet you where you are. We help you navigate the options and design a communications strategy that supports your business today — and scales with you over time.
From POTS replacement and native PRIs to cloud-based communications and mobility, we assemble the right mix to meet your goals for price and performance.
Every recommendation is backed by expert insight and real-world pricing data — so you get the right solution for each situation, with no pressure and no added cost.
[UPSTACK’s] project management team’s ability to handle the complexities and challenges that came along with only having a little over a month to complete the project [spanning] 28 sites and 300+ users was truly commendable. They assisted with all aspects of the project, from scoping, system design, implementation, porting and finally, real-time, go-live support. The UPSTACK team was instrumental in us successfully meeting this goal…
Scott Thompson
IT Director, ARSA
What Leading Enterprises Look for in Communications & Voice
01
Cloud Integration
02
Flexible Solution Types
03
Mobility & Fixed Wireless
04
Legacy Compatibility
05
Legacy Compatibility
06
Business Continuity
07
Cost Efficiency
08
Vendor Consolidation
Communications & Voice Advisory Services
Experts in Delivering a Comprehensive Communications Analysis
Get clarity on what to keep, upgrade or retire
We assess your current voice environment, including PBX systems, analog lines, carrier services and contracts, to uncover what’s still serving you well and what’s holding you back.
Make sure essential services always stay connected
We align your communications design with high-priority applications like contact centers, alarms, emergency lines and remote collaboration to ensure availability and quality where it matters most.
Know the tradeoffs before you make the move
We compare cloud and on-premises voice options side by side, evaluating features, scalability and ROI, so you can choose what’s right for you without overbuying.
Protect sensitive communications
We assess the risks across your voice, mobility and collaboration tools, and recommend security controls, encryption, call recording compliance, and more to meet regulatory needs.
Avoid rollout delays and last-minute surprises
Before contracts are signed, we confirm site requirements, port availability, hardware compatibility and lead times, so your deployment goes smoothly.
Cut through the noise to find the right solution
We break down provider capabilities, contract terms, support models and real-world performance so that you can choose with confidence, not guesswork.
Reduce downtime, vendor lock-in and hidden costs
We design redundant, flexible architectures and ensure your contracts include performance guarantees, exit options and long-term protections.
Get communications that scale with your business
We help you plan for cloud migration, workforce changes and future growth, so your communications infrastructure evolves with you.
Communications & Voice Advisory Services
Experts in Delivering a Comprehensive Communications Analysis
Existing Network Assessment
Get clarity on what to keep, upgrade or retire
We assess your current voice environment, including PBX systems, analog lines, carrier services and contracts, to uncover what’s still serving you well and what’s holding you back.
Mission-Critical Application Requirements
Make sure essential services always stay connected
We align your communications design with high-priority applications like contact centers, alarms, emergency lines and remote collaboration to ensure availability and quality where it matters most.
Cost-Benefit Analyses
Know the tradeoffs before you make the move
We compare cloud and on-premises voice options side by side, evaluating features, scalability and ROI, so you can choose what’s right for you without overbuying.
Security & Compliance Assessment
Protect sensitive communications
We assess the risks across your voice, mobility and collaboration tools, and recommend security controls, encryption, call recording compliance, and more to meet regulatory needs.
Deployment Readiness
Avoid rollout delays and last-minute surprises
Before contracts are signed, we confirm site requirements, port availability, hardware compatibility and lead times, so your deployment goes smoothly.
Vendor Solution Comparison
Cut through the noise to find the right solution
We break down provider capabilities, contract terms, support models and real-world performance so that you can choose with confidence, not guesswork.
Risk Mitigation
Reduce downtime, vendor lock-in and hidden costs
We design redundant, flexible architectures and ensure your contracts include performance guarantees, exit options and long-term protections.
Long-Term Strategy Alignment
Get communications that scale with your business
We help you plan for cloud migration, workforce changes and future growth, so your communications infrastructure evolves with you.
Solutions Expertise
Communications & Voice
Business Mobility Solutions
Custom cellular plans, mobile device management and remote access tools designed for field teams, traveling employees and hybrid workers
Collaboration Tools
Integrated video, messaging and file-sharing platforms that boost productivity across distributed teams
Digital Trunks, PRIs & T1 Transitions
Reliable digital voice connections for locations and systems still dependent on traditional telecom infrastructure
Hosted PBX
Cloud-delivered business phone systems that eliminate on-premises hardware while maintaining full PBX functionality
POTS Replacement
Digital alternatives to analog lines used for office phones, fax machines, security systems, elevators, gate access, utility controls and more
SIP Trunking
Connect legacy PBX systems to IP networks for a cost-effective, cloud-ready transition
Unified Communications as a Service (UCaaS)
Cloud-based platforms that integrate voice, messaging and video—ideal for hybrid and remote workforces
Voice over IP (VoIP)
Internet-based voice calling with enterprise-grade features, flexibility and savings
Vendor Expertise
Deep Knowledge Across All Major Communications & Voice Vendors
Solutions Discovery
We streamline the process of discovering solutions by matching your unique needs with the most relevant and effective technology options available.
Vendor Scoring
We deliver clear, data-driven vendor scores informed by thousands of successful engagements to help you quickly identify the best technology partners.
Pricing & Contract Insights
AI agents trained on our data to deliver transparent pricing and contract insights, ensuring you secure the best terms and value for your technology investments.
24/7 Support, Anytime, Anywhere
Managing multiple strategic technology vendors is complex and time-consuming, often involving numerous account managers, frequent turnover, and multiple portals—all of which create inefficiencies and slow issue resolution. UPSTACK simplifies this by serving as your single point of contact for all vendors, providing one dedicated customer success team and a unified portal for all your information. We eliminate the administrative burden, optimize your vendor relationships, and free your teams to focus on high-priority business initiatives.
OUR TECHNOLOGY
Manage All Your Projects, Vendors, Contracts, and Technology Inventory in One Platform
Reclaim your time and focus on what matters most.
Solutions for Every Team

Finance

Procurement

IT & Security
TESTIMONIALS
What Our Clients Are Saying
“UPSTACK's expertise has been instrumental in ensuring that we keep our operations running smoothly and efficiently. Their insights and strategic approach have not only streamlined our processes but also empowered our team to focus on our core objectives.”
Leading Document Management Platform
Lead Business Operations Manager,
“Stacey and her team are outstanding to work with. They are able to work on complicated situations—from billing audits to telecom challenges like SD-WAN and Internet connectivity. They are a full-service operation.”
SVP, Information Technology, Kilroy Realty
Stan Low
“Kelly and team have organized and streamlined our service ordering process, saving the company money. She transitioned critical life safety services without downtime and upgraded internet to support heavy security monitoring. I can’t imagine doing this on my own.”
Real Estate Investment Trust
Director of Technology Integration,
"The experience and the ability to help with the procurement process have been invaluable. We have had considerable savings and faster deployment times with UPSTACK."
Director, Infrastructure & Cybersecurity, Whataburger
Charles Schuetz
“UPSTACK provides us the highest possible value, with a dedicated team committed to our success and who are truly vested in providing great solutions to meet our goals.”
Information Security & Technology Engineering, Nationally Recognized Grocer
Vice President
"UPSTACK [has] proven to be an indispensable asset for our [technology] needs over the years; without them providing their assistance, it would have been a much tougher road to navigate. We highly recommend them for their knowledge and expertise."
Enterprise Infrastructure, Leading Industrial-Goods Company
Director
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Frequently Asked Questions
How is UPSTACK different from a traditional IT consulting firm?
How is UPSTACK different from traditional sales agents?
If your services are free to your clients, how do you get paid?
Do vendors charge me more if I work with UPSTACK?
No. Our participation doesn't increase your costs. UPSTACK acts as an outsourced extension of the vendor's sales and support organization, which reduces their cost of sale and overhead. In fact, most of our customers receive better pricing and terms than they would by going direct.
What happens if I don’t move forward with a new solution recommended by UPSTACK?
How do I know UPSTACK is truly vendor-agnostic?
Our entire model is built on transparency and trust. We have no quotas, exclusive vendor relationships, or biased incentives. With a Net Promoter Score (NPS) of 82 and a 99% client retention rate, our reputation is built on delivering results that put your interests first. We’re also happy to connect you with current clients who can speak to their experience.

