# Efluenz

**Summary.** Efluenz is an agency. Based in Brussel. Founded in 2018. The team is around 12 FTE. Expertise: Content strategy & editorial, Copywriting & long-form content, Paid social, Search advertising (SEA), Organic social content, Social strategy & platform mix. Works for clients in Mode & lifestyle, Overheid & non-profit, Retail & e-commerce, Telecom & media. Reference clients include Proximus, UNIQLO, Europese Commissie, Paco Rabanne.

## Key facts

| Field | Value |
|---|---|
| Founded | 2018 |
| Location | Rue Royale 100, 1000 Brussel |
| Website | https://www.efluenz.be |
| LinkedIn | https://www.linkedin.com/company/efluenzeu/mycompany/ |
| Instagram | https://www.instagram.com/efluenz.eu/ |
| Company number | BE0703.907.224 |
| NACE main activity | 73110 - Activiteiten van reclamebureaus |
| Expertise | Content strategy & editorial, Copywriting & long-form content, Paid social, Search advertising (SEA), Organic social content, Social strategy & platform mix |
| Sectors | Mode & lifestyle, Overheid & non-profit, Retail & e-commerce, Telecom & media |
| Team (FTE) | 12,0 |

## What does Efluenz do?

Efluenz bestaat sinds 2018 en profileert zich als social media bureau uit Brussel. Het team telt ongeveer 12 medewerkers (VTE). De focus ligt op social media, paid media (sea/social/display) en content & copy. Het zwaartepunt ligt bij opdrachtgevers uit merken (retail/fashion, telecom en overheid/eu). Publiek gekende klanten zijn onder meer Proximus, UNIQLO, Europese Commissie en Paco Rabanne.

## Where is Efluenz based?

Efluenz is based in Rue Royale 100, 1000 Brussel, Belgium.

## What expertise does Efluenz have?

- Content strategy & editorial
- Copywriting & long-form content
- Paid social
- Search advertising (SEA)
- Organic social content
- Social strategy & platform mix

## Which sectors does Efluenz work for?

- Mode & lifestyle
- Overheid & non-profit
- Retail & e-commerce
- Telecom & media

## Which clients does Efluenz work with?

- Proximus, UNIQLO, Europese Commissie, Paco Rabanne

## Key financials

Source: NBB annual accounts. "/" means not filed (abbreviated format); FTE = average number of full-time equivalents.

| Year | Revenue | Gross margin | EBITDA | FTE |
|---|---|---|---|---|
| 2023 | / | € 788.310 | € 243.515 | 10,9 |
| 2024 | € 2.132.208 | € 924.687 | € 305.282 | 10,8 |
| 2025 | € 2.572.068 | € 1.393.073 | € 598.024 | 12,0 |

## Frequently asked questions

**When was Efluenz founded?** In 2018.

**Where is Efluenz located?** In Brussel, Belgium.

**What is Efluenz specialised in?** Content strategy & editorial, Copywriting & long-form content, Paid social, Search advertising (SEA), Organic social content, Social strategy & platform mix.

**How big is Efluenz?** Around 12 full-time equivalents (financial year 2025).

**Which sectors does Efluenz work for?** Mode & lifestyle, Overheid & non-profit, Retail & e-commerce, Telecom & media.

**Who are the clients of Efluenz?** Among others Proximus, UNIQLO, Europese Commissie, Paco Rabanne.

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Factsheet published by IKAg. Figures from the annual accounts up to financial year 2025. Company data verified with the CBE on 2026-10-13. Canonical page: https://www.ikag.be/en/factsheets/efluenz