What is SEF A/S's NAICS code?

SEF A/S's NAICS code is 22 (Utilities).

Insights

Sustainable energy focus SEF A/S is a Danish utilities company with a strong emphasis on green solutions, including maintaining a stable power grid, expanding fiber networks, and deploying charging stations and heat pumps. This indicates sales opportunities in renewable energy products, energy efficiency services, and green technology partnerships.

Digital infrastructure expansion The company actively develops and operates fiber networks across Denmark, suggesting potential upsell of fiber connectivity services, smart grid integration, and IoT/monitoring solutions for customers seeking reliable digital infrastructure.

Customer-centric positioning SEF emphasizes maintaining close customer relationships and high satisfaction, indicating opportunities for tailored bundled offerings, contextual upsells, and service-level enhancements for both residential and commercial clients.

Financial scale With estimated revenue between 50 and 100 million USD and a mid-sized employee base, SEF presents a viable target for mid-market energy technology solutions, energy trading platforms, and financing partnerships that fit its growth and sustainability goals.

Cross-sell potential The company operates across energy, fiber, charging stations, and heat pumps, which creates cross-selling opportunities for integrated energy management systems, smart home/business solutions, and maintenance services across its diverse product lines.

SEF A/S Tech Stack

SEF A/S uses 8 technology products and services including Hotjar, Matomo, Adobe Creative Cloud, and more. Explore SEF A/S's tech stack below.

Hotjar

Analytics

Matomo

Analytics

Adobe Creative Cloud

Audio, Video, Graphics

WordPress

Content Management System

Cookiebot

Cookie Compliance

Shopify

E-commerce

Google Cloud

Infrastructure As A Service

Piwik PRO Core

Web Analytics

SEF A/S Email Formats	Example	Percentage
FL@sef.dk	JD@sef.dk	76%
First.L@sef.dk	John.D@sef.dk	18%
LastFi@sef.dk	DoeJo@sef.dk	6%

SEF A/S Email Formats

Example

Percentage

FL@sef.dk

JD@sef.dk

76%

First.L@sef.dk

John.D@sef.dk

18%

LastFi@sef.dk

DoeJo@sef.dk

Frequently Asked Questions

What is SEF A/S's phone number?

You can contact SEF A/S's main corporate office by phone at

+45-62-20-1****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is SEF A/S's official website and social media links?

SEF A/S's official website is sef.dk and has social profiles on LinkedIn.

How much revenue does SEF A/S generate?

As of August 2026, SEF A/S's annual revenue is estimated to be $50M - $100M.

What is SEF A/S's SIC code and NAICS code?

SEF A/S's SIC code is 1711 - Plumbing, Heating and Air-Conditioning and NAICS code is 22 - Utilities.

How many employees does SEF A/S have currently?

As of August 2026, SEF A/S has approximately 92 employees across 1 continents, including Europe. Key team members include Ceo / Adm. Direktør: C. H. A., Chief Executive Officer: L. F. and Coo: K. L. Explore SEF A/S's employee directory with LeadIQ.

What industry does SEF A/S belong to?

SEF A/S operates in the Utilities industry.

What technology does SEF A/S use?

SEF A/S's tech stack includes Hotjar, Matomo, Adobe Creative Cloud, WordPress, Cookiebot, Shopify, Google Cloud and Piwik PRO Core.

What is SEF A/S's email format?

SEF A/S's email format typically follows the pattern of FL@sef.dk. Find more SEF A/S email formats with LeadIQ.

When was SEF A/S founded?

SEF A/S was founded in 1906.

SEF A/S

Q: What is SEF A/S's official website and social media links?

SEF A/S's official website is sef.dk. SEF A/S has social profiles on LinkedIn.

Q: How many employees does SEF A/S have currently?

SEF A/S has approximately 92 employees.

Q: What technology does SEF A/S use?

SEF A/S's tech stack includes Facebook Pixel, Sitelinks Search Box, Adobe Creative Suite, ISO 9001, Admo.tv.

UtilitiesSouth Denmark, Denmark51-200 Employees

SEF A/S is a utilities company owned by the SEF Foundation. Based in Svendborg in the South Denmark region, it operates from southern Funen while serving customers across Denmark. The organization emphasizes proximity to its customers and aims for agility in turning ideas into action rather than pursuing major-scale expansion. It maintains a stable electricity grid and supports the digital transition by expanding and operating a fiber network in its service area, while also installing fiber connections, charging points, and heat pumps across Denmark.

The company targets both business and private customers, encouraging the adoption of green solutions. Its SEF Energi customers have been noted for high levels of customer satisfaction, reflecting the service orientation.

Insights

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SEF A/S Tech Stack

SEF A/S's Email Address Formats