How to read Boulogne-Billancourt density?

High density reflects a mature commercial fabric, not necessarily saturated. Compare to national median (~50-80 etabs/1000 inhabitants urban) and look at creation dynamics (SIRENE 12m).

Why not indicate "saturated / not saturated"?

No universal ratio allows a verdict. Saturation depends on business, district, purchasing power (Filosofi income), and recent dynamics. NTYB gives the numbers, you keep the reading.

When does the per-inhabitant ratio not make sense?

For destination retail (car dealer, specialty store) which captures a catchment area larger than the town. Then catchment (vertical /chalandise/) is relevant.

Market saturation in Boulogne-Billancourt (92100)

Active business count by trade in Boulogne-Billancourt, retail density, top concentrated businesses. To measure the market BEFORE launching — not validate it after.

Population (INSEE)

119 019 inhabitants

Distinct active businesses

497 NAF codes represented

See all trades

Trade	Businesses
Activités immobilières (68.20B)	5 760
Activités immobilières (68.20A)	5 065
Sièges sociaux, conseil de gestion (70.22Z)	3 840
Services aux bâtiments et paysagers (81.10Z)	1 240
Sièges sociaux, conseil de gestion (70.10Z)	1 192
Activités associatives (94.99Z)	903
Programmation informatique (62.02A)	818
Activités financières (64.20Z)	741
Activités immobilières (68.31Z)	736
Sièges sociaux, conseil de gestion (70.21Z)	721
Autres services personnels (96.09Z)	665
Programmation informatique (62.01Z)	617

Most represented business

Activités immobilières (68.20B) (5 760 establishments)

Global retail density

381.9 establishments per 1000 inhabitants

"Business / inhabitant" ratio method

The pop/nb_etabs ratio per business is the most used saturation indicator. Common benchmarks: 1 bakery / 2 000 inhabitants (Observatoire Franchise), 1 pharmacy / 2 500 inhabitants (regulation for rural towns), 1 hairdresser / 750 inhabitants. Beyond the raw ratio, look at dynamics (creations / cessions BODACC).

Reading the ratios

Above the trade's benchmark: contested market. Below: room to take. Check the trend with openings and closures over the last 24 months.

Assess your place in the Boulogne-Billancourt market?

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FAQ

How to read Boulogne-Billancourt density?: High density reflects a mature commercial fabric, not necessarily saturated. Compare to national median (~50-80 etabs/1000 inhabitants urban) and look at creation dynamics (SIRENE 12m).
Why not indicate "saturated / not saturated"?: No universal ratio allows a verdict. Saturation depends on business, district, purchasing power (Filosofi income), and recent dynamics. NTYB gives the numbers, you keep the reading.
When does the per-inhabitant ratio not make sense?: For destination retail (car dealer, specialty store) which captures a catchment area larger than the town. Then catchment (vertical /chalandise/) is relevant.