Seulsoleil

What Seulsoleil does

Seulsoleil is a private, for-profit lighting design firm headquartered in Paris, France, founded in 2001. The company's stated focus is lighting design setup for exhibition centers, museums, theatres, hotels, and other commercial spaces, positioning it as a specialist creative consultancy in the cultural and hospitality built-environment segments. The firm operates with a small headcount of 1-10 employees, consistent with a boutique design practice rather than a scaled engineering or technology provider.

The firm's service offering centers on the design and configuration of lighting systems for physical venues, with the website (seulsoleil.fr) serving as its primary public-facing presence. No proprietary technology, software platforms, AI/ML capabilities, patents, certifications, or formal partnerships are documented in the available source material. The website source data yielded only a loading/verification page, providing no additional substantive detail on services, methodology, project portfolio, or team composition.

The business model is most consistent with project-based consultancy fees from cultural and hospitality clients, though no pricing, contract structure, or revenue mechanics are disclosed. No customer logos, case studies, revenue figures, funding history, or management team information are available in the input data. The geographic footprint is implied to be France-based with possible European reach given the cultural-institution client base, but no explicit market coverage claims are documented.

Name

Seulsoleil

Website

https://seulsoleil.fr

Company type

Private

Founded year

2001

Headcount range

1–10 employees

Short description

Seulsoleil is a privately held Paris-based lighting design consultancy founded in 2001, serving exhibition centers, museums, theatres, hotels, and commercial spaces with a small team of 1-10 employees.

Ownership category

akta.pro rank

Product category

Lighting Design Services

NAICS

Interior Design Services (54141)

SIC

Electrical Work (1731)

akta.pro primary industry

Lighting Design Services (BPAHAKAJ)

akta.pro secondary industry

Event Lighting Decor (Uplighting, String Lights, Effects) (HSACAOAE)

Keywords

• Lighting design
• Exhibition lighting
• Architectural lighting
• Stage lighting
• Commercial lighting

Headquarters

HQ city

Paris

HQ country

France

HQ region

Europe

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations

Core offering

Seulsoleil is a Paris-based firm that provides professional lighting design services for cultural and commercial venues. The company sets up lighting designs for exhibition centers, museums, theatres, hotels, and other commercial spaces, delivering tailored illumination solutions to facility operators and event producers.

Differentiator

Problem solved

Functional benefit

Products and services

• Lighting Design Setup

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Others

• Lutron Electronics: Global manufacturer of lighting controls and shading systems frequently specified by lighting designers on museum, hotel and theatre projects; an adjacent ecosystem partner rather than a direct design competitor.

Broad incumbents

• Arup Lighting: Lighting design practice within Arup, the global engineering consultancy; competes with specialist lighting designers on large cultural, civic and commercial projects but as part of a broader multidisciplinary portfolio.
• Signify: Global lighting manufacturer and services group (formerly Philips Lighting) offering connected and professional lighting solutions; an incumbent that increasingly bundles design-adjacent services into commercial lighting deals.
• Cundall Light4: International engineering consultancy with a dedicated lighting design team (Light4) covering cultural, hospitality and commercial buildings; comparable as a broader incumbent offering lighting design within a wider services portfolio.

Direct peers

• Tillotson Design Associates: US lighting design practice with museum, theatre and cultural-institution work; directly comparable in service offering and end-market to Seulsoleil.
• Speirs + Major: UK-based specialist lighting design practice with deep experience in cultural, civic and hospitality projects, including museums and theatres; directly comparable as a focused, design-led lighting consultancy.
• ACT Lighting Design: Dutch independent lighting design consultancy with museum, theatre and public-space work; comparable as a European boutique specialist in the same niche.
• Bartenbach: Austrian lighting design and research firm with strong cultural, museum and architectural lighting credentials; comparable as a Europe-based specialist competing for similar cultural-venue commissions.
• L'Observatoire International: Independent lighting design consultancy founded by Hervé Descottes, working globally on museums, cultural institutions, hotels and high-end commercial projects — directly comparable in service scope and client mix to Seulsoleil.
• a/LIGHT Lighting Design: Italian lighting design studio focused on architectural, museum and hospitality lighting; directly comparable as a boutique European specialist in cultural and commercial lighting design.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat2 records

Key risks4 records

Key highlights4 records

Customer concentration

• LinkedInlinkedin.com/company/seulsoleil

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Seulsoleil