The B Corp Furniture Brands We Carry — and Why That Certification Matters

B Corp furniture brands are companies whose social and environmental performance has been independently verified by B Lab, the non-profit behind the B Corporation certification, against a 200-point B Impact Assessment that demands a minimum verified score of 80 to pass and a fresh audit every three years. At Comosum we carry three of them — Humanscale (USA, certified 2024), Anglepoise (UK, certified 2025), and FDB Møbler via parent company Rosendahl Design Group (Denmark, scored 89.6) — because B Corp status is one of the few sustainability credentials that audits the whole company, not just a single product.

What B Corp Certification Actually Means

B Corp — formally, Certified B Corporation — is a third-party certification awarded by B Lab, a non-profit founded in 2006 in Pennsylvania. Unlike FSC, GREENGUARD, or OEKO-TEX, which certify a specific material, product, or factory, B Corp certifies the whole business: governance, workers, community, environment, and customers. A company submits to the B Impact Assessment, a 200-question evaluation, and must score at least 80 verified points out of 200 to be certified. For context, the median ordinary business that takes the assessment scores roughly 50.

Certification is not a permanent badge. B Corps must recertify every three years against an evolving assessment, and a company whose score drifts below 80 during a review gets a 90-day improvement window before losing the mark. In 2026, B Lab is rolling out a more demanding model that moves from a single-score threshold to a set of mandatory criteria across climate, human rights, workforce, and governance — a substantive raising of the bar that existing B Corps will be expected to meet at their next recertification. For furniture, this matters because furniture manufacturers are exposed across the full audit surface: timber sourcing, factory emissions, worker safety, packaging, take-back. A brand that holds B Corp status has demonstrated more than a clean product line.

How the Three B Corps in Our Catalog Compare

Materials

Each of the three takes a different route into the same destination. Humanscale builds ergonomic seating and desks around recycled ocean plastic, recycled aluminum, and FSC-certified wood; the company publishes 29 products certified climate-positive by the International Living Future Institute's Living Product Challenge, meaning the verified environmental benefits of making and using the product exceed its footprint. Anglepoise uses powder-coated steel and aluminum with cast-iron bases on lamps designed to be dismantled and repaired; the brand sells replacement springs, shades, and arms directly so a 1935 Original 1227 design can be kept in service indefinitely. FDB Møbler — the Danish co-operative founded in 1942 and now owned by Rosendahl Design Group — uses FSC-certified European oak and beech, OEKO-TEX-certified textiles, and the Nordic Swan Ecolabel across many of its core SKUs.

Manufacturing

Humanscale operates manufacturing in Piscataway, New Jersey and Dublin, Ireland with publicly reported climate-positive product lines. Anglepoise designs in Hampshire, England and manufactures through audited European and Chinese partners with a published code of conduct. Rosendahl Design Group runs its Copenhagen headquarters and partners with FSC-certified European workshops to produce the FDB Møbler archive, including reissues of Børge Mogensen, Poul M. Volther, and Ejvind A. Johansson designs.

Certifications & Recognition

Humanscale is, on its own statement, the first major commercial furniture brand in the United States to earn B Corp certification (April 2024); it has held Living Product Challenge "climate positive" status on individual products since 2018. Anglepoise joined the B Corp community in March 2025 alongside a broader sustainability programme that includes its lifetime guarantee on the spring mechanism. Rosendahl Design Group, which today owns the FDB Møbler brand, is a Certified B Corporation with a B Impact Assessment score of 89.6 — comfortably above the 80-point bar — and its portfolio also includes Kay Bojesen, Kähler, Holmegaard, and Lyngby Porcelæn.

Why B Corp Belongs on Our Curation Filter

We use B Corp as one signal among several, not as a single trump card. Plenty of the brands we carry — Ethnicraft, Mater, Fermob, Cane-Line — have strong sustainability programmes without holding a B Corp mark, and we'd rather carry a non-certified brand doing thoughtful work than wave a badge that doesn't reflect catalog reality. Read the Comosum sustainability page for how we weigh certifications against direct supplier diligence.

That said, when a brand earns B Corp, it tells us three useful things. First, a third party has audited the whole company, not just a green-lit hero product. Second, the brand has committed to recertify on a schedule, so any drift in practice eventually surfaces. Third, B Corp's evolving 2026 standard will keep raising the floor, which means the certification holders we carry will be re-audited against tougher climate and human-rights criteria, not grandfathered in. For shoppers asking which brand to trust on sustainability claims, B Corp is the credential that asks the hardest holistic question.

Explore the B Corp Brands at Comosum

We've highlighted five pieces, one from each brand and two reflecting how the certification holders complement the rest of our sustainable furniture brands catalog.

• Humanscale Freedom Task Chair (Ocean Headrest) — Niels Diffrient's 1999 self-adjusting design, now built with recycled ocean plastic in the headrest.
• Humanscale Path Task Chair — Todd Bracher's climate-positive task chair, certified by the International Living Future Institute.
• Humanscale Float Micro Sit-Stand Desk Converter — counter-balanced sit-stand converter requiring no motor or power.
• Anglepoise Original 1227 Mini Table Lamp — the 1935 George Carwardine balanced-arm design, in a scaled-down form, with a lifetime guarantee on the spring mechanism.
• Anglepoise Type 75 Desk Lamp — Sir Kenneth Grange's 2004 reinterpretation of the Anglepoise principle, fully repairable.
• FDB Møbler J46 Dining Chair by Poul M. Volther — Nordic Swan Ecolabel, FSC beech, water-based paint, sold in pairs.
• FDB Møbler J27 Stool by Børge Mogensen — Nordic Swan Ecolabel, FSC-certified beech, water-based lacquer.

Browse the full Humanscale, Anglepoise, and FDB Møbler collections at Comosum.

Frequently Asked Questions About B Corp Furniture Brands

What does it mean for a furniture company to be a B Corp? It means the company has been audited by B Lab against the 200-point B Impact Assessment and scored at least 80 verified points across governance, workers, community, environment, and customers. The certification covers the whole business — not a single product — and the company must recertify every three years against an evolving standard.

Which B Corp furniture brands does Comosum carry? We carry Humanscale (B Corp certified in April 2024), Anglepoise (B Corp certified in March 2025), and the FDB Møbler line, whose parent company Rosendahl Design Group is a Certified B Corporation with a B Impact Assessment score of 89.6.

How is B Corp different from FSC or GREENGUARD? FSC certifies that timber comes from responsibly managed forests, and GREENGUARD certifies that a finished product meets low-chemical-emissions thresholds — both are product- or material-level credentials. B Corp is company-level: it audits how the business operates across all impact areas. Many brands hold both kinds of certifications because they answer different questions.

Is B Corp certification changing in 2026? Yes. B Lab is moving away from a single 80-point threshold toward a set of mandatory performance criteria across climate, human rights, workforce, and governance. Existing B Corps will be re-audited against the tougher standard at their next recertification, which raises the floor for the entire community rather than only for new applicants.

Where can I read more about each brand's sustainability programme? Start with the brands' own published reports — Humanscale's environmental sustainability page and Anglepoise's sustainability statement are the primary sources we use when researching our catalog. The B Corp directory lists each company's current B Impact Assessment score and recertification date.