What technologies does grasys Inc. use?

grasys Inc. uses Salesforce, Sendgrid, Gmail, Google Apps, MailChimp SPF. View their full technology stack — including all 12 detected tools — on StackWho.

Who is the CEO of grasys Inc.?

Hasegawa Yusuke is the CEO at grasys Inc.. Get verified contact information on StackWho.

Where is grasys Inc. located?

grasys Inc. is based in Tokyo, Tokyo, Japan.

grasys Inc.

grasys.io

information technology & services

grasys.io

Tokyo, Tokyo, Japan

11-50 employees

LinkedIn Profile

About grasys Inc.

cloud engineering, it infrastructure, google cloud platform, cloud, deep learning, gcp, it consulting, big data, system infrastructure, rag, kubernetes, hashicorp terraform, computer systems design and related services, bigquery parquet, fastly, vertex ai, artificial intelligence, looker bi, looker, azure

grasys Inc.'s Tech Stack

AI/ML

Decision Makers at grasys Inc.

1 contact

Hasegawa Yusuke

CEO

h***@grasys.io Sign up to view

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12 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

CRMs like Salesforce signal an active sales operation. Companies using Salesforce are strong targets for sales training, RevOps tools, data enrichment, and Salesforce integrations.

grasys Inc.'s Position in the StackWho Database

• grasys Inc. is 1 of 194,140 information technology & services companies tracked in StackWho.
• 193,618 information technology & services companies in our database have verified decision-maker emails (100% of the cohort).
• 1,660 companies in Tokyo are in the StackWho database.
• 74,148 information technology & services companies are in the 11-50 employee range (same size as grasys Inc.).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated July 2026.

Frequently Asked Questions

What technology does grasys Inc. use?

grasys Inc. uses Salesforce, Sendgrid, Gmail, Google Apps, MailChimp SPF, Google Cloud Hosting, and 6 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at grasys Inc.?

StackWho has verified email addresses for 1 decision maker at grasys Inc.. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach grasys Inc. directly for sales, recruiting, or partnerships.

What industry is grasys Inc. in?

grasys Inc. operates in the information technology & services industry, headquartered in Tokyo, Tokyo, Japan. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export grasys Inc.'s contact data?

Yes. StackWho Pro members can export decision maker contact data for grasys Inc. and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.