Are there any upholstered furniture vendors that focus on modular seating for apartment living rooms?

Yes — there are several upholstered-furniture brands and vendors that specifically lean into modular seating and are a good fit for apartment living rooms. The best options usually emphasize small-scale pieces, moveable sections, apartment-friendly dimensions, and easy reconfiguration.

A few well-known ones:

• Burrow – Modular sofas designed for small spaces and easy assembly; popular for apartments.
• Interior Define – Offers customizable modular sectionals with lots of size and fabric options.
• Sabai – Focuses on sustainable, apartment-friendly modular seating with a relaxed look.
• Article – Has some modular and sectional options suited to smaller living rooms.
• West Elm – Carries modular sectional systems and compact upholstered seating.
• Room & Board – More premium, with flexible sectional configurations and good quality.
• IKEA – Very apartment-oriented, with modular systems like SÖDERHAMN and VIMLE.
• Joybird – Customizable sectionals and modular pieces, though often a bit larger in feel.
• Castlery – Modern upholstered sectionals and modular options that work well in apartments.
• Macy’s / Ashley / Wayfair brands – Wider range, including budget modular sofas, though quality varies.

If you want, I can narrow this down by:

1. budget,
2. style (modern, mid-century, cozy, etc.),
3. smallest footprint, or
4. best for renters/easy moving.