Who founded Opensignal?

Opensignal was founded by Sina Khanifar, James Robinson, Brendan Gill.

Who are Opensignal's investors?

Opensignal's investors include Frog Capital, Octopus Ventures, Qualcomm Ventures, Silversmith Capital Partners.

How much funding has Opensignal raised?

Opensignal has disclosed $9.1M raised across 1 round.

Where is Opensignal headquartered?

Opensignal is headquartered in London, US.

Opensignal

London, US · Delaware corporation · 4 known investors

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Opensignal provides independent analytics on mobile network experience and market performance, measuring real-world user experiences such as web browsing, video streaming, and online gaming. It serves converged, wireless, and broadband communication providers globally to help them improve networks and commercial performance.

Data & Infrastructure Enterprise Software SaaS

Founders & leadership

Sina Khanifar Co-Founder2010–2021Sina Khanifar is CEO of RSRF, which provides enterprise-grade in-building cellular solutions, and Waveform, which develops 5G signal improvement hardware. He is a co-founder of OpenSignal, a Technology Fellow at the Electronic Frontier Foundation, and serves on the board of Repair.org.

James Robinson Co-founder · VP Research and InnovationJames Robinson is Director at OpenSignal, a company that builds smartphone applications to measure cellular network performance and user experience globally. He has led the development of analytical tools and consumer-facing apps based on large-scale mobile network datasets.

Brendan Gill CEO & Founder2010–2022Angel at Multiple Startups/Funds

Malcolm Ferguson Non Executive Director2018–2021Partner - Secondaries at Molten Ventures

Mark JacobsenNamed on SEC filing

Board

Jason Ball Board directorManaging Director at Qualcomm Ventures

Shirin DehghanBoard director

Investors · 4

Frog Capitallisted by Frog CapitalLondon

How we know: Frog Capital's portfolio page · Not right? Tell us

Octopus Ventureslisted by Octopus VenturesLondon · $130K – $1.3M

How we know: octopusventures.com · Not right? Tell us

Qualcomm Ventureslisted by Qualcomm VenturesSan Diego · $5M

Silversmith Capital Partnerslisted by Silversmith Capital PartnersBoston · $20M – $125M

How we know: Silversmith Capital Partners's portfolio page · Not right? Tell us

Reported raises · per SEC filings

Form D private placements

$9.1M disclosed across 1 round · 2018

▶$9.1MraisedMar 2018 · 6 investors · Other Technology

Rule 506(b)

Officers, directors & promoters on the filing

Jason BallDirector
Sina KhanifarExecutive Officer
Malcolm FergusonDirector
James RobinsonDirector
Mark JacobsenDirector
Brendan GillExecutive Officer, Director
Shirin DehghanDirector

Offering amount: $9.1M
Amount sold: $9.1M
First sale: Mar 2018
Incorporated: Corporation, Delaware
Federal exemptions: 06b

Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Founder mafia

2 people who came through Opensignal went on to found or lead other companies.

Patrick EggenInvestor, Board MemberFounded Qualcomm +1 Joe CaineyData Team DirectorFounded Sunbeam

Related companies · 2

AlienVaultAT&T is a telecommunications provider offering wireless mobile plans, smartphones, and related connectivity services to consumers. It sells devices such as the Samsung Galaxy line alongside mobile phone plans and switching offers.

SureCallSureCall manufactures cellular signal boosters for residential, commercial, and vehicle applications that improve call clarity and data speeds in weak signal areas. The company serves individual consumers, businesses, and enterprises across North America with multi-carrier compatible technology.

Companies working in the same space as Opensignal.

In the news

Singtel retains Singapore’s best mobile network crown as StarHub races ahead on speed, Opensignal says | HardwareZone Singaporehardwarezone.com.sg · Jul 2026

Frequently asked questions

What does Opensignal do?: Opensignal provides independent analytics on mobile network experience and market performance, measuring real-world user experiences such as web browsing, video streaming, and online gaming. It serves converged, wireless, and broadband communication providers globally to help them improve networks and commercial performance.
Who founded Opensignal?: Opensignal was founded by Sina Khanifar, James Robinson, Brendan Gill.
Who are Opensignal's investors?: Opensignal's investors include Frog Capital, Octopus Ventures, Qualcomm Ventures, Silversmith Capital Partners.
How much funding has Opensignal raised?: Opensignal has disclosed $9.1M raised across 1 round.
Where is Opensignal headquartered?: Opensignal is headquartered in London, US.