What Is the Leather Working Group — And Why Should You Care Where Your Leather Comes From?
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You've probably never stood in a tannery. But if you carry a leather wallet, card holder, or travel accessory, you're connected to one whether you know it or not.
Tanning is the process that transforms raw animal hide into the supple, durable material you hold in your hands. It's also one of the most chemically intensive manufacturing processes on the planet. And for most of leather's industrial history, it operated in the dark: invisible supply chains, unchecked chemical waste, and little accountability at any stage.
That's the problem the Leather Working Group (LWG) was built to solve.
So, What Exactly Is the Leather Working Group?
Think of the LWG as leather's version of a food safety board, except instead of checking expiry dates, it's auditing tanneries for environmental performance, chemical management, and supply chain transparency.
Founded in 2005 as a collaboration between major footwear and lifestyle brands including Adidas, Nike, Clarks, IKEA, Marks & Spencer, New Balance, and Timberland. The LWG started as a small industry initiative. Today, it's grown into the world's largest stakeholder organisation dedicated to the leather industry, representing over 2,000 members across 60+ countries.
It's a non-profit. Its auditors are independent. And its standards are publicly available. It means the certification carries weight beyond marketing.
The LWG Audit: What Actually Gets Assessed?
Here's where it gets interesting. The LWG doesn't just give tanneries a tick for showing up. It runs a rigorous, scored audit that covers four core areas:
1. Environmental Compliance & Monitoring
Is the tannery measuring its own environmental footprint? Are they tracking energy consumption, water usage, waste generation, and carbon emissions? This isn't just about having the right intentions — it's about having the data to prove it.
2. Wastewater Management
Leather tanning is water-heavy. Without proper treatment, the runoff laced with chromium, heavy metals, and dyes end up in rivers and communities. The LWG audit scrutinises how tanneries manage, treat, and dispose of wastewater. Gold-rated tanneries must score above 85% in every category, including this one.
3. Chemical Management & Restricted Substances
The audit assesses whether tanneries are using hazardous chemicals responsibly, working towards safer alternatives, and adhering to a Manufacturing Restricted Substances List (MRSL). For Gold and Silver certifications, hexavalent chromium (one of the nastier compounds in leather production) must fall below 3mg/kg — automatic failure if it doesn't.
4. Supply Chain Traceability
Can the tannery account for where its hides came from? This is the hardest part of the puzzle and the area the LWG is actively developing further — particularly around deforestation risk, which it aims to eliminate from certified supply chains by 2030.
Gold, Silver, Bronze — What Do the Ratings Mean?
The LWG operates a medal system, and the scoring thresholds are strict:
- Gold — 85% or above across all categories
- Silver — 75% or above across all categories
- Bronze — 65% or above across all categories
- Audited — Minimum 50% pass; work in progress
The catch? A tannery doesn't get to average out across categories. If they score Gold in four areas but Bronze in one, their final rating is Bronze. Every section has to hold up independently. It's the weakest link in the chain that determines the medal, which is exactly how it should work.
Who's Part of the LWG?
The LWG isn't just a certification body. It's a community. Members range from small independent tanneries to some of the biggest names in fashion, footwear, and luxury goods.
Founding members like Adidas, Nike, Timberland, and IKEA helped define the original audit protocols. In recent years, luxury players like Prada Group have joined, committing to 100% certified leather sourcing. Watchmaker Citizen is now a member too, sourcing LWG-certified leather for its watch straps. Retailers like H&M and Primark have used LWG membership as part of their sustainability commitments.
In total, LWG-certified manufacturers now account for roughly 25% of the world's total finished leather production — a significant slice of a very large industry.
The Honest Limitations of LWG Certification
Good journalism requires honesty, so let's not skip this part.
The LWG is a tannery-focused standard. That's its strength (precision, depth) and its limitation (scope). The certification does not currently extend to:
- Farms and ranches — where cattle are raised
- Slaughterhouses — the step between farm and tannery
- Worker welfare beyond health & safety minimums — social auditing is limited
Critics have rightly pointed out that without visibility into the full supply chain, particularly the livestock side. No leather certification can claim to be entirely "ethical" in the broadest sense. The link between cattle farming and deforestation (notably in the Amazon, where 80% of land clearing is tied to cattle ranching) is a real and ongoing issue.
The LWG acknowledges this. It's actively developing its next-generation LWG Sustainability System, which transitions from its current Protocol 7 framework into a more comprehensive model that includes Chain of Custody standards, Deforestation Due Diligence, and a Carbon Footprint Tool. This isn't a finished story: it's a standard that's actively evolving.
The honest take? LWG-certified leather is the most responsibly-produced leather currently available at scale. It doesn't solve every problem in the leather industry, but it addresses the ones that are measurable, auditable, and improvable. For brands and consumers who choose leather, it's currently the most credible framework to look for.
Why It Matters for the Leather Goods You Carry
Here's the real-world implication. When you buy a leather wallet, card holder, or travel accessory, you're usually not thinking about tannery wastewater treatment — and fair enough. But the material in that product went through a process that, globally, generates thousands of tonnes of chemical waste annually.
The choice of supplier matters. The tannery's standards matter. And whether a brand has committed to sourcing from verified, responsible manufacturers matters.
At Maverick Made., responsible leather sourcing has always been part of how we work. Our pieces are made from full-grain and top-grain leather that's selected for quality, longevity, and traceability. The whole philosophy behind what we make is that leather goods should last. Not just a season, not just a year, but a decade. That's the most sustainable position of all: buy once, buy well.
If you're starting to think more carefully about what you carry and where it comes from, here are some of our pieces worth exploring:
Card Holders — Built to Last, Not to Replace
A good card holder is something you'll carry every day for years. Our Innocent Card Holder is one of our most enduring designs — slim, full-grain leather, no unnecessary bulk. The Mono Innocent strips it back even further for those who want single-material simplicity.
For iPhone users, the Elfin MagSafe Card Holder combines function and craft — your cards and phone in one clean piece of leather.
Wallets — Where Craft Meets Daily Use
Our wallet range is where you see leather's character most clearly over time. The Josiah Bifold Wallet is a classic done properly — structured, full-grain, and built to develop a patina that tells your story over years of use.
For the minimalists, the Clairmont Money Clip Wallet keeps it clean. And if you carry coins, the Keystone Wallet handles the full load without bulk.
Travel Accessories — Because Good Leather Belongs on the Move
The Heartlands Card Holder works beautifully as a classic every day carry, and our Luggage Tags are one of those small details that make a real difference — the kind of thing people notice and ask about.
Our Juniper Pouch is a versatile carry-all that travels well whether it's in a bag, a backpack, or a carry-on.
The Bottom Line
The Leather Working Group isn't a silver bullet for every problem in the leather supply chain. But it's the most credible, comprehensive, independently audited standard the industry has right now — and it's improving every year.
For consumers, the LWG rating is worth understanding and looking for. Gold-rated tanneries have met the highest environmental standards currently available. Brands that commit to LWG sourcing are making a real, auditable choice — not just a marketing one.
Leather, done well, is one of the most durable materials you can own. A full-grain leather piece treated with care will outlast synthetic alternatives by years, sometimes decades. Longevity is sustainability.
The question isn't just what you buy — it's how it was made, and how long it'll last.
Explore the full Maverick Made. collection — leather goods made to be carried for life.
Want to learn more about how we choose our materials? Visit our Our Materials page for an honest breakdown of what goes into every Maverick Made. piece.