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Esa, Inc

Esa, Inc. provides consulting and solutions for eCTD regulatory affairs and operations, and reports pioneering eCTD submissions in Japan.

Pharmaceutical Manufacturing
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Headquarters
Tokyo, JapanSource: RevenueBaseRetrieved October 13, 2026
Employee range
11 to 50Source: RevenueBaseRetrieved October 13, 2026
Published list appearances
19 supported appearances ↗Source: RevenueBase lists
The company at a glance

What does Esa, Inc do?

The company offers a range of eCTD-related services, from authoring consultation to submission management and publishing.

Based on the company’s public LinkedIn information, supplied through RevenueBase.

Who it serves

Esa, Inc. handles submissions to regulatory authorities in Japan, the EU, the USA, Canada, Australia, Switzerland and Thailand.

What the business offers

Services & capabilities.

Authoring consultation

The company provides authoring consultation for eCTD-related work.

Source: LinkedIn company description · Retrieved October 13, 2026

Submission management and publishing

The company provides submission management and publishing services related to eCTD.

Source: LinkedIn company description · Retrieved October 13, 2026

Explore the business in context

Company lists.

Supported appearances on published RevenueBase lists, including available memberships beyond displayed rankings.

Positions describe ordering within each source list. See how lists are built ↗

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BADGE PREVIEWEsa, Inc listed #3 on Drug approval consulting firms, September 27, 2026Open the published source list.
Esa, Inc

#3 Drug approval consulting firms

Snapshot: September 27, 2026

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Company information

Sources & data notes.

RevenueBase prepared this profile from the company’s public LinkedIn information and RevenueBase company data. These source records were retrieved on October 13, 2026. AI helped summarize these sources, with a separate automated check against the source text completed on November 4, 2026. Directory positions use company-contact counts from separate saved list snapshots dated September 13, 2026, September 16, 2026, September 20, 2026, September 26, 2026, September 27, 2026, September 28, 2026, September 30, 2026, October 7, 2026 and October 8, 2026. How the company lists are built.

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