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Japan · Yokohama · Attestation

SOC 2 attestation in Yokohama

Achieve SOC 2 attestation in Yokohama with Sterling: 8,100+ client engagements in 60+ countries, 20+ years.

  • Independent attestation
  • Tokyo office team
  • Effivity software included
  • Academy training included

Clients include

  • Allianz
  • Emirates Flight Catering
  • Etihad Rail
  • Haier
  • Whirlpool
  • Emerson
In short

SOC 2 attestation in Yokohama at a glance

The city's programme for overseas startups and its tech-startup growth support are designed to bring software companies in, and software companies come with customers who ask for a SOC 2 report. SOC 2 is an attestation, not a certificate: an independent licensed audit firm reports on whether controls meet the trust services criteria for security and any other categories in scope, such as availability or confidentiality. Served from Sterling's Tokyo office, Sterling prepares the scope, controls, policies and evidence in Effivity so that the examination runs smoothly for your team, while the report itself remains the audit firm's alone to issue and sign.

Why here

Why SOC 2 in Yokohama

  • Overseas and domestic software startups supported by the cityCustomers abroad ask for SOC 2 reports before onboarding.
  • Technology teams in Minato Mirai 21 selling cloud servicesEnterprise procurement asks for an independent report.

Not sure it applies to you?Answer a short set of questions and your readiness report arrives by e-mail.

Take the SOC 2 readiness check
Local drivers

What drives SOC 2 in Yokohama

Demand is buyer-led: enterprise and overseas customers request the report; no Yokohama authority sets it.

Requirements

What SOC 2 requires

Strip away the vocabulary and SOC 2 asks a service organisation to report on six things about the controls behind its service.

You describe your system accuratelyA system description sets out your services, infrastructure, people, data and the boundaries of what the report covers.
Security is designed inControls protect the system against unauthorised access and use; security is the one category every SOC 2 report includes.
Access is granted on need and reviewedLogical and physical access is approved on need, removed when no longer required and reviewed regularly.
Changes and operations are controlledSystem changes are authorised and tested, and operations are monitored so incidents are detected and handled.
Risks and vendors are assessedRisks to your commitments, including those coming from vendors and business partners, are assessed and acted on.
Controls work over timeFor a Type 2 report, a licensed CPA firm tests that the controls operated effectively across the review period.

The detail is on the global hub: SOC 2 explained →

How Sterling delivers

How Sterling delivers SOC 2 in Yokohama

Sterling's Tokyo office runs readiness assessments and evidence workshops with your Yokohama team. One team carries the work from scoping to report.

Included in every engagement
  • End to end, from one team
  • Effivity ISO & GRC software
  • Preferential Sterling Academy access, with complimentary awareness training for your people
  • Internal auditor training for your audit team, as applicable to your standard
  • Vulnerability assessment on ISMS engagements

The Sterling Promise: 100% on-time completion, 100% success, 8,100+ client engagements.Sterling does not certify. Certification decisions stay with independent bodies.

Law and accreditation

Regulations and accreditation for SOC 2 in Japan

The laws, regulators and accreditation route for SOC 2 apply across Japan, Yokohama included. They are set out on the country page: SOC 2 attestation in Japan →

Related

Standards Yokohama organisations combine with SOC 2

All standards Sterling delivers in Yokohama →

SOC 2 in Yokohama: questions clients ask

When does a Yokohama startup need SOC 2 rather than ISO 27001?

Choose SOC 2 once a buyer, particularly one based abroad, writes it into a security review. ISO 27001 certifies a management system, whereas SOC 2 is an auditor's opinion on controls across a stated period. Because many controls overlap, work done for one carries over to the other.

What does Sterling do in a SOC 2 project for a Yokohama company?

It scopes the report, designs and documents the controls, helps collect evidence and runs a readiness check before the examination. An independent licensed audit firm then examines the controls and issues the report. Sterling does not attest, and that is what keeps the audit independent.

Read more

More on SOC 2

Next step

Start with a free discovery call

A Sterling consultant goes through your sites, your customers' requirements and your target date with you. No proposal until the scope is agreed.

Sources

  1. Startups and technology — city.yokohama.lg.jp (accessed 8 Oct 2026)
  2. Waterfront offices and R&D facilities at Minato Mirai 21 — ymm21.jp (accessed 8 Oct 2026)

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