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On a mission to unlock mobile for any brand, anywhere.

Mobile has been a closed, complex, cost prohibitive industry for too long and ultimately, consumers have suffered. We believe any brand should be able to offer a quality mobile product as part of their portfolio.

The eSIM Go team celebrating outdoors at sunset, arms in the air
400+
travel eSIM brands live worldwide
50+
UK MVNOs built by our team
190+
countries covered
500+
global networks available

How you win with mobile.

Mobile projects used to die in the gap between a brand's ambition and telecoms reality: the infrastructure, the roaming relationships, the commercial agreements. We built the platform that closes the gap. Travel eSIM puts data in 190+ countries behind any brand; UK MVNO puts a full network on Vodafone behind yours. Both run on the same backbone, built on infrastructure from IDEMIA and CSG Ascendon – the companies that run provisioning and billing for banks and governments.

The vision we're building towards is a single global eSIM: one eSIM that just works, everywhere your customers go. Every partner launch is a step in that direction – and with an ecosystem of solutions partners behind us, any company can join, whether they build on the platform directly or go to market through a partner.

Leadership

Who runs the company.

The board, and the team steering the platform.

Board
Zacc Couldrick

Zacc Couldrick

Director & co-founder

Chris Maynard

Chris Maynard

Director & co-founder

Shanks Kulam

Shanks Kulam

Director

Arun Dehiri

Arun Dehiri

Board observer

Obaid Rahman

Obaid Rahman

Board observer & TNS Global CEO

Executive team
Zacc Couldrick

Zacc Couldrick

CEO

Mark Taylor

Mark Taylor

COO

Roger Plahay

Roger Plahay

CFO

Values

What we stand for.

Integrity
Curiosity
Collaboration
Ambition
Innovation

News and insights

What we've been up to.

Funding, partnerships, recognition and launches. Latest >

Careers

Join the team.

Open roles across engineering, commercial and operations. Openings >

Trust centre

The diligence page.

Recognition, memberships, reliability and security in one place. Proof >

Apple-recognised carrierGSMA memberITU member

The platform serious
brands trust.

eSIM Go is recognised in Apple's carrier settings, a status few platforms hold. Putting your brand on someone else's infrastructure is a big call. Here's why it's safe with us.

GSMA membershipMember of the global mobile industry body
ITU membershipMember of the UN agency for digital technologies
Reliability & SLAsMonitored 24/7 · SLA-backed uptime
Security & dataEncryption in transit · least-privilege access
Certificates & standardsISO 27001:2022 · ISO 9001 certified
Coverage190+ countries · 500+ networks

Build with us.

Your brand. Our backing. Let's win with mobile.