Opus Online

opusonline.co

Tallinn, Harju County, Estonia

11-50 employees

LinkedIn Profile

About Opus Online

mobile app development, application management, software development, financial sector software, digital product design, custom software development, fintech, information systems development, devops, scrum, digital consulting, agile development, magento 2 development, react native development, ehealth software development, corporate web development, frontend developers, ecommerce web developers, web development services, backend developers

Opus Online's Tech Stack

Decision Makers at Opus Online

1 contact

Margus Eha

CEO

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11 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

WordPress as a CMS signals a content-driven or SMB digital presence. SEO tools, hosting solutions, and page-builder plugins are natural fits for outreach.

Opus Online's Position in the StackWho Database

• Opus Online 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).
• 1,549 companies in Harju County are in the StackWho database.
• 74,148 information technology & services companies are in the 11-50 employee range (same size as Opus Online).

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 Opus Online use?

Opus Online uses Outlook, Microsoft Office 365, Rackspace MailGun, WordPress.org, Facebook Login (Connect), Apache, and 5 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Opus Online?

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

What industry is Opus Online in?

Opus Online operates in the information technology & services industry, headquartered in Tallinn, Harju County, Estonia. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Opus Online's contact data?

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