Where is Sipstack located?

Sipstack is headquartered in Toronto, Canada. It is registered at 180 8171 Yonge St., Thornhill.

Who is the current CEO of Sipstack?

Jonathan Geller of Sipstack. They have also founded 1 company.

How many employees does Sipstack have?

As of Apr 30, 2026, the latest employee count at Sipstack is 1.

Is Sipstack a funded company?

Sipstack is a funded company, having raised a total of $***** in its 1st and only funding round.

Where does Sipstack rank among its competitors?

Sipstack ranks 43rd amongst 134 active competitors, only 1 of which is funded., of which only TeraGo is funded and secured an undisclosed amount in Apr, 2025.

Who are the top competitors of Sipstack?

Sipstack's top competitors include Vonage, BlueCat and TeraGo. Among them, TeraGo secured the most recent funding round in April, 2025.

Sipstack - 2026 Company Profile, Team & Competitors

Company Details

Sipstack provides scriptable VOIP platform that enables users to deploy voice services to stack in a way they want. Services include SIP likes, SIP trunking, Hosted PBX, Virtual Fax and Conference Bridges. Its script center allows users to tailor every feature & route using scripts. Its platform is built around a freemium model. Revenue is generated from customer usage by enabling more SIP lines, trunks, faxes and conference bridges. Charges are incurred for using additional services such as DIDs (phone numbers), emergency calling or when calling in/out of the SIPSTACK network.

Website: www.sipstack.com/
Social
Email ID: *****@sipstack.com, *****@sipstack.com
Phone Number: +1 **********
Registered Address: 180 8171 Yonge St., Thornhill

Key Metrics

Founded Year

2016

Location

Toronto, Canada

Stage

Unfunded

Ranked

43^rd among 134 active competitors

Employee Count

1 as on Apr 30, 2026

Similar Companies

Vonage & 1513 more

View Sipstack's full profile

Sipstack is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
SIPSTACK Inc. CIN: 971456-1 , Canada, Active	Apr 18, 2016	-	-	-

Sipstack has not raised any funding rounds yet.

The founders of Sipstack is Jonathan Geller. Jonathan Geller is the CEO of Sipstack.

Here are the details of Sipstack's key team members:

Jonathan Geller: Founder & CEO of Sipstack.

View details of Sipstack's Founder profiles and Board Members

Sipstack's employee count trend

Sipstack has 1 employees as of Apr 26. Here is Sipstack's employee count trend over the years:

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Top competitors of Sipstack include Vonage, BlueCat and TeraGo. Here is the list of Top 10 competitors of Sipstack, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Vonage 2001, Holmdel (United States), Acquired	Provider of contact center business communication solutions	$645M	New Enterprise Associates, 3i Group & 15 others	74/100
2nd	BlueCat 2001, Toronto (Canada), Acquired	Cloud-based DNS and DHCP appliance and security solutions provider	$27.8M	Bridgescale, Trident Capital & 6 others	66/100
3rd	TeraGo 1999, Thornhill (Canada), Acquired	Internet, colocation and cloud services	$2.31M	Second Alpha, Charter Ventures & 2 others	52/100
4th	Natural Convergence 2001, Ottawa (Canada), Acquired	Provider of unified communications services	$29M	BDC, Desjardins & 4 others	43/100
5th	iTel 2007, Kamloops (Canada), Funding Raised	Business internet, voice and cloud services provider in North America	-	Accelerate Okanagan	41/100
6th	Next Telecom 2008, Sydney (Australia), Acquired	Business communication services provider	-	-	38/100
7th	CallWave 1998, Santa Barbara (United States), Public	Unified communications provider	$291K	Entrada Ventures, Atlas Accelerator	37/100
8th	OneConnect 2003, Toronto (Canada), Funding Raised	Business communication and managed network services provider	-	Globalive Capital, Wish Group	36/100
9th	Trutel 2000, Toronto (Canada), Acquired	Business communication and managed services provider	-	-	36/100
10th	Versature 2003, Ottawa (Canada), Acquired	Cloud-based business telephony services provider	$675K	Royal Bank of Canada, BDC	34/100
43rd	Sipstack 2016, Toronto (Canada), Unfunded	Business scriptable VOIP platform solutions provider	-	-	25/100