Insights

High-sensitivity opportunity ElFys specializes in ultra-sensitive photodiodes with EQE over 96% from 250 to 950 nm, created for precise sensing needs. This positions them to target markets requiring high-performance detectors such as wearables, industrial sensing, medical devices, and scientific instrumentation where improved signal quality can enable premium product differentiation.

Customizable manufacturing The ability to produce standard sizes (5x5 mm, 10x10 mm) as well as custom shapes, arrays, and matrices enables ElFys to tailor photodiode components to customers’ existing hardware and form factors, offering a strong upsell path for legacy systems seeking higher sensitivity.

Growth financing signal Recent €6M (approximately $6.48M) financing, with Samsung Venture Investment Corporation as a lead investor, indicates validated market potential and a readiness to scale production. This creates credibility when approaching potential customers and co-investors in supply chains.

Operational leadership Appointment of a VP of Operations and emphasis on ramping production for wearables suggests a strategic push into adjacent high-volume, consumer-facing markets, presenting sales opportunities with wearable manufacturers, OEMs, and contract manufacturers seeking reliable supply.

Digital and ecosystem fit Tech stack and online presence show active digital marketing and customer outreach channels (Google/LinkedIn Ads, AWS, Webflow). This alignment suggests potential for targeted outreach, co-marketing opportunities, and accessible onboarding for potential partners and customers in semiconductor-enabled sensing.

Similar companies to ElFys, Inc.

ElFys, Inc. Tech Stack

ElFys, Inc. uses 8 technology products and services including Google Ads, LinkedIn Ads, Amazon Web Services, and more. Explore ElFys, Inc.'s tech stack below.

ElFys, Inc.'s Email Address Formats

ElFys, Inc. uses at least 2 email formats:
ElFys, Inc. Email FormatsExamplePercentage
First.Last@elfys.fiJohn.Doe@elfys.fi
96%
Last.First@elfys.fiDoe.John@elfys.fi
4%

Frequently Asked Questions

What is ElFys, Inc.'s official website and social media links?

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ElFys, Inc.'s official website is elfys.fi and has social profiles on LinkedIn and Crunchbase.

How much revenue does ElFys, Inc. generate?

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As of October 2026, ElFys, Inc.'s annual revenue is estimated to be <$1M.

What is ElFys, Inc.'s NAICS code?

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ElFys, Inc.'s NAICS code is 3344 - Semiconductor and Other Electronic Component Manufacturing.

How many employees does ElFys, Inc. have currently?

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As of October 2026, ElFys, Inc. has approximately 15 employees across 1 continents, including Europe. Key team members include Chief Technical Officer: A. H., Vice President Operations: T. K. and Head Of Sales And Marketing: F. J. Explore ElFys, Inc.'s employee directory with LeadIQ.

What industry does ElFys, Inc. belong to?

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ElFys, Inc. operates in the Semiconductor Manufacturing industry.

What technology does ElFys, Inc. use?

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ElFys, Inc.'s tech stack includes Google Ads, LinkedIn Ads, Amazon Web Services, WordPress, CookieYes, Microsoft 365, Backbone.js and Webflow.

What is ElFys, Inc.'s email format?

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ElFys, Inc.'s email format typically follows the pattern of First.Last@elfys.fi. Find more ElFys, Inc. email formats with LeadIQ.

How much funding has ElFys, Inc. raised to date?

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As of October 2026, ElFys, Inc. has raised $7.3M in funding. The last funding round occurred on Sep 04, 2025 for $3M.

When was ElFys, Inc. founded?

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ElFys, Inc. was founded in 2017.
ElFys, Inc. logo

ElFys, Inc.

Semiconductor ManufacturingCentral Finland, Finland11-50 Employees

ElFys, Inc. is a semiconductor manufacturing company founded in fall 2017 and based in Central Finland, with operations in a region west of Helsinki. It focuses on producing highly sensitive photodiodes enabled by a patented approach that combines induced junctions and black silicon to achieve high external quantum efficiency across a broad wavelength range. The company offers standard photodiode formats as well as custom sizes, shapes, and arrays, supporting customers seeking drop-in replacements for existing photodiode solutions. Its primary market comprises applications requiring high sensitivity in photodetection, and the business positions itself within the broader semiconductor manufacturing sector by delivering devices with minimal optical and electrical losses to improve detection performance. A notable recent development is the company’s continued emphasis on scaling production for wearable applications, reflecting a direction toward expanding capacity and market reach in its niche.

Section iconCompany Overview

Website
elfys.fi
NAICS Code
3344 - Semiconductor and Other Electronic Component Manufacturing
Founded
2017
Employees
11-50

Section iconFunding & Financials

  • $7.3M

    ElFys, Inc. has raised a total of $7.3M of funding over 4 rounds. Their latest funding round was raised on Sep 04, 2025 in the amount of $3M as a Grant.

  • <$1M

    ElFys, Inc.'s revenue is estimated to be in the range of <$1M

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