Customer First
Their success is our priority. Every roadmap decision starts with a customer conversation.
About NumbersOne
We’re on a mission to make business communication simple, affordable and accessible to everyone — from a two-person studio to a business with offices on three continents.
5,000+Businesses on the platform
100+Countries with local numbers
99.99%Uptime across 24 months
1.4 bnMinutes carried last year
40%Average reduction in call spend after switching from legacy PSTN lines
Our Story
Built Because Buying Phones Was Too Hard
NumbersOne was founded in 2016 with a simple belief: every business, no matter its size, deserves reliable, professional and affordable communication tools.
Our founders spent years watching companies juggle three carriers, two hardware vendors and a PBX consultant just to answer the phone. Every quarter brought another invoice nobody could reconcile.
So we built one platform that carries the numbers, the minutes and the PBX, and sends one bill at the end of it. Today more than 5,000 businesses in over 100 countries run their communications on NumbersOne.
Live coverage
121 numbers active
US24 numbersUK18 numbersAU12 numbersIN16 numbersDE9 numbersFR7 numbersSG6 numbersJP5 numbersCA11 numbersAE4 numbersES6 numbersBR3 numbers
Our Values
What We Stand For
Four commitments that shape every decision we make about the product and the people who use it.
Innovation
We continually push the platform forward rather than waiting for a competitor to move first.
Trust & Reliability
We deliver what we promise, and we publish our uptime whether or not it flatters us.
Global Impact
We help businesses connect across borders without paying border-shaped prices.
Milestones
How We Got Here
A decade of steady building, one region at a time.
- 2016
Founded in San Francisco
Three engineers, one rented rack and a conviction that phone bills should be readable.
- 2018
Cloud PBX launched
IVR, queues and routing brought in-house so customers stopped stitching vendors together.
- 2021
Coverage passes 100 countries
In-country numbers and local carrier redundancy across every major market.
- 2024
5,000th business onboarded
Enterprise SSO, audit logging and regional data residency shipped the same year.
- 2026
Unified apps and analytics
One console for numbers, minutes, PBX, messaging and reporting across the whole estate.
Our Leadership
The People Behind the Platform
Rahul Sharma
CEO & Founder
Priya Mehta
Chief Operating Officer
Daniel Kim
Chief Technology Officer
Sophia Lee
Chief Revenue Officer
Partners
Grow With Us
Resellers, MSPs and system integrators use NumbersOne as the communications layer inside their own offering.
- White-label portal and billing under your brand
- Wholesale rates with margin you control
- Shared technical pre-sales and migration support
Careers
Join Our Journey
We’re building the future of business communication. Come be a part of it.
Senior VOIP Engineer
Engineering · Bengaluru or Remote · Full-time
Customer Success Manager
Customer · San Francisco · Full-time
Product Designer
Design · Remote (IST overlap) · Full-time
NumbersOne
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