# MarketSpark, Inc.

> MarketSpark is a Bannockburn, Illinois company that replaces aging copper phone lines (POTS) for large enterprises with a managed, carrier-agnostic wireless service. As traditional carriers decommission their analog networks, MarketSpark keeps fire alarms, elevator phones, fax lines, alarm panels and voice lines working using cloud-managed 4G LTE/5G hardware, real-time monitoring and remote diagnostics - serving hundreds of America's largest enterprises across tens of thousands of locations.

- **Founded:** 2017
- **Headquarters:** Bannockburn, Illinois, United States
- **Founders:** Jake Jacoby (Co-founder / Investor (former CTO)), Rob Engstrom (Co-founder)
- **Team size:** ~54 employees
- **Products:** POTS Replacement, Command Center Platform, M-Series Solution, 4G/5G Backup Internet, T1/PRI Replacement & Managed Serial Access
- **Notable:** Closed a $7M Series B led by IDT Corporation (April 2021)., Grew from serving 35 Fortune 500 companies at the 2021 raise to a reported 60 Fortune 500 companies., Reports a 99% project success rate across thousands of enterprise sites.

## Products & services

- **POTS Replacement** — Managed wireless replacement for analog phone lines serving alarms, fire panels, fax machines and voice, including NFPA 72 fire-alarm compliance.
- **Command Center Platform** — Cloud dashboard providing real-time line monitoring, proactive alerts, remote diagnostics and multi-location management.
- **M-Series Solution** — UL- and FCC-approved 4G LTE/5G-ready hardware delivered as a hardware-as-a-service offering with fail-safe redundancy.
- **4G/5G Backup Internet** — Wireless redundancy and failover connectivity for enterprise sites.
- **T1/PRI Replacement & Managed Serial Access** — Migration of legacy circuits and serial-connected devices to managed wireless.

## Achievements

- Closed a $7M Series B led by IDT Corporation (April 2021).
- Grew from serving 35 Fortune 500 companies at the 2021 raise to a reported 60 Fortune 500 companies.
- Reports a 99% project success rate across thousands of enterprise sites.
- Delivers LTE/5G POTS replacement with carrier-agnostic, UL/FCC-approved hardware.

## Latest updates

- **2021-04** — Secured $7M Series B financing led by IDT Corporation to scale sales, marketing and platform development.
- **2025-07** — Refreshed enterprise product positioning around carriers, coverage, SIMs, CAPEX and metered usage on marketspark.com.

## Links

- Website: https://marketspark.com
- LinkedIn: https://www.linkedin.com/company/marketspark-inc
- Twitter/X: https://twitter.com/potsreplacement
- YouTube: https://www.youtube.com/@marketspark750
- Facebook: https://facebook.com/potsreplacement

---

Profile page: https://yespress.io/marketspark-inc
Published by YesPress — https://yespress.io
Last updated: 2026-06-08