Power Performance with Purpose-Built Communications

Voice, mobile, and collaboration tools tailored to your workflows and your budget.

All at no cost to you.

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

A one-size-fits-all approach rarely works when choosing your communications stack. Some teams rely on traditional voice systems while others need advanced collaboration tools and business mobility.

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

Simplify workflows and boost productivity. UPSTACK helps you select UCaaS and collaboration platforms tailored to your applications, teams, and business priorities.

02 Flexible Solution Types

Match the right technology to each location or use case. We guide your choice across traditional voice, VoIP, cloud, or hybrid systems — whatever fits best.

03 Mobility & Fixed Wireless

Keep remote and field teams reliably connected. UPSTACK sources mobility and wireless access options that integrate seamlessly with your broader network stack.

04 Legacy Compatibility

Modernize without costly rip-and-replace. We support SIP trunking, PRI, and POTS alternatives to preserve prior investments and upgrade on your timeline.

05 Legacy Compatibility

Standardize while adapting to local needs. UPSTACK designs communications strategies that balance global consistency with regional customization.

06 Business Continuity

Maintain uptime during outages or failures. We incorporate wireless backup, routing redundancy, and failover to protect critical voice services.

07 Cost Efficiency

Reduce spend while improving performance. UPSTACK benchmarks provider pricing and helps you right-size services for each location.

08 Vendor Consolidation

Simplify support and unify your roadmap. We centralize sourcing, streamline contracts, and manage vendor relationships on your behalf.

Communications & Voice Advisory Services

Experts in Delivering a Comprehensive Communications Analysis

Up to 75% of technology investments fail due to poor solution choices and nearly 90% of IT contracts are overpriced. Our unbiased, data-driven advisory service ensures you select the right technology at the right price, protecting your bottom line.

Existing Network Assessment
Mission-Critical Application Requirements
Cost-Benefit Analyses
Security & Compliance Assessment
Deployment Readiness
Vendor Solution Comparison
Risk Mitigation
Long-Term Strategy Alignment

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.

Solutions Expertise

Communications & Voice

Our experienced advisors help you evaluate and source right-fit communications solutions for every location, budget and business need.

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

With our comprehensive know-how, we help you explore and select from thousands of solutions across hundreds of 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.

Our suite of advanced, proprietary tools empowers both our clients and our team to efficiently manage every aspect of their technology investments. From initial procurement to ongoing maintenance, these tools simplify complex processes and improve overall management.

With real-time visibility into contract terms, renewal dates, and spending, plus intuitive dashboards and automated alerts, users can track performance, identify cost-saving opportunities, avoid compliance risks, and make smarter, data-driven decisions to maximize technology value.

Solutions for Every Team

From finance and procurement to IT and security, UPSTACK helps unify priorities across teams—delivering clarity, control, and cost savings where it matters most. Whether you're optimizing spend, accelerating tech deployment, or reducing risk, UPSTACK delivers tailored support that scales with your business goals.

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."