A sustainable business is a company that earns a profit while keeping its environmental and social impact within limits that can continue indefinitely. The standard definition comes from the 1987 Brundtland report: meeting “the needs of the present without compromising the ability of future generations to meet their own needs.” In practice that means measuring your footprint, cutting it every year and treating people fairly.
This guide covers the definition, real examples, certifications and their cost, practices ranked by effort, a worked footprint, reporting and greenwashing.
Sustainable business definition: what does sustainable business mean?
The definition comes from Our Common Future, the 1987 report of the UN World Commission on Environment and Development, chaired by Gro Harlem Brundtland.
Applied to one company, that gives three tests. It must make money, it must not use up or pollute natural resources faster than they recover, and it must not depend on harming workers, suppliers or neighbors.
The triple bottom line
John Elkington coined “triple bottom line” in 1994 and expanded it in his 1997 book Cannibals with Forks. It asks a company to track people and planet next to profit. In a 2018 Harvard Business Review article he said the idea needed a rethink. The lesson: results count, not mission statements.
Green business vs sustainable business
| Term | What it covers | Who uses it |
|---|---|---|
| Green business | Environmental impact only: energy, waste, water, materials | Local certification programs, marketing |
| Sustainable business | Environment, people and long-term profit together (triple bottom line) | Owners, customers, certifiers such as B Lab |
| ESG | Environmental, social and governance data used to judge risk in a company | Investors, lenders, large corporate buyers |
ESG vs sustainability
The term ESG dates to “Who Cares Wins”, a 2004 report under the UN Global Compact, according to IBM’s history of ESG. ESG is how investors score a company. Sustainability is what the company does, and a firm can score well on disclosure while its emissions rise.
Sustainable business examples
- Interface (carpet tile). In November 2019 it reported its Mission Zero results through 2018: a 96% cut in greenhouse gas emissions, 92% less waste to landfill, and a 69% lower carbon footprint for its carpet tile.
- Ørsted (energy). The Danish utility closed its last coal plant in 2024. In November 2025 it reported a 99% renewable share of energy production and a 98% cut in scope 1 and 2 emissions intensity against 2006.
- Patagonia (apparel). In September 2022 the Chouinard family transferred ownership: 2% voting stock to the Patagonia Purpose Trust and 98% nonvoting stock to the Holdfast Collective, with a projected $100 million a year in dividends going to environmental work.
- IKEA (retail). Ingka Group, the largest IKEA retailer, reports a 70.6% cut in absolute emissions from its own operations in fiscal 2025 against a fiscal 2016 baseline. That excludes the products it sells.
The business case: what the data says
Sustainable products are growing faster than conventional ones, but shoppers say more than they do.
- NYU Stern Center for Sustainable Business (2025 data). Products marketed as sustainable held a 25.4% share of US branded consumer packaged goods, yet delivered 44.9% of the market’s growth from 2013 to 2025. They grew 10.9% a year over five years against 2.2% for conventional products.
- McKinsey and NielsenIQ (2023). Products with ESG-related claims grew 28% cumulatively from 2017 to June 2022, against 20% for products without them.
- IBM and the National Retail Federation (2021 survey of more than 19,000 people in 28 countries). Half of respondents said they would pay a premium for sustainability, but only 31% said sustainable products made up most or all of their last purchase.
For a small business the more dependable gain is cost: every kWh or gallon you cut lowers both emissions and bills.
Sustainable business practices, ranked for a small business
Ratings are qualitative. Real savings depend on your building, fleet and suppliers.
| Practice | Effort | Typical impact | Scope affected |
|---|---|---|---|
| Measure a baseline footprint from bills | Low | Enables every other step | All |
| LED lighting, thermostat schedules, switch-off rules | Low | Low to medium | Scope 2 |
| Switch to a renewable electricity plan | Low | Medium to high | Scope 2 |
| Replace gas heating with heat pumps at end of life | High | High where heating dominates | Scope 1 |
| Electrify vehicles as they are replaced | Medium to high | High for delivery or service fleets | Scope 1 |
| Cut flights, use rail or video calls | Low | Medium for service firms | Scope 3 |
| Ask top suppliers for emissions data, prefer lower-carbon ones | Medium | High for product companies | Scope 3 |
See our guide to reducing a small business carbon footprint for each step.
Start with your number. Enter four figures from your bills and get your business carbon footprint split by scope. Open the free Business Carbon Calculator
Worked example: a small business footprint by scope
Take a 12-person service company with one office and two vans. Factors are from the EPA GHG Emission Factors Hub (January 2025, with 2023 eGRID data).
- Natural gas (scope 1): 2,500 therms. At 53.06 kg CO₂ per mmBtu and 0.1 mmBtu per therm, that is 5.306 kg per therm. 2,500 × 5.306 = 13,265 kg.
- Gasoline (scope 1): 1,200 gallons × 8.78 kg CO₂ per gallon = 10,536 kg.
- Electricity (scope 2): 60,000 kWh = 60 MWh. 60 × 771.5 lb CO₂ per MWh (US average) = 46,290 lb. 46,290 ÷ 2,204.62 = 20,997 kg.
- Flights (scope 3): 40,000 passenger-miles of medium-haul travel × 0.129 kg CO₂ per passenger-mile = 5,160 kg.
| Scope | Source | kg CO₂ | Share |
|---|---|---|---|
| Scope 1 | Gas 13,265 + gasoline 10,536 | 23,801 | 47.6% |
| Scope 2 | Purchased electricity | 20,997 | 42.0% |
| Scope 3 (flights only) | Business travel | 5,160 | 10.3% |
| Total | 49,958 | about 50.0 metric tons |
This counts CO₂ only, while reports use CO₂e. It also leaves out purchased goods, commuting and waste, so real scope 3 will be higher. See scope 1, 2 and 3 emissions explained.
Sustainable business certification compared
A certification is evidence, not the goal.
| Certification | Who runs it | What it covers | Cost and requirements |
|---|---|---|---|
| B Corp | B Lab (nonprofit) | Whole company: social, environmental and governance performance | Verified thresholds across seven Impact Topics, plus a legal duty to consider all stakeholders. US annual fee $2,100 for revenue up to $5 million (2026) |
| ISO 14001 | International Organization for Standardization (standard only) | An environmental management system, not a performance level | Current edition is ISO 14001:2026. Audit fees vary by certification body |
| California Green Business Network | Coalition of California cities and counties | Local checklist: energy, water, waste, pollution prevention | Site visit and sector checklist. Free or a nominal fee, valid three years (Santa Monica program) |
| Green Business Benchmark (formerly Green Business Bureau) | Private company | Online, points-based list of 400+ initiatives | Self-reported. Certification from $1,250 a year (2026) |
| 1% for the Planet | Nonprofit | Giving, not operations | Give 1% of annual revenue to vetted partners. Dues $500 a year plus $200 activation for revenue up to $500,000 |
| SBTi target validation | Science Based Targets initiative | Emissions reduction targets only | SME route: under 250 staff, under €50 million turnover, under 10,000 tCO₂e scope 1 and 2. SME fee $1,250 (announced for 2024) |
B Lab counted more than 10,800 Certified B Corporations in 102 countries in June 2026. ISO reports more than 670,000 ISO 14001 certifications (ISO Survey 2024). SBTi passed 10,000 validated companies in January 2026.
Two cautions. ISO 14001 certifies a management process, so a heavy polluter can hold it. Self-reported, points-based programs carry less weight than third-party verification.
Sustainable business models, strategies and ideas
Sustainable business models
- Circular: take back, repair, refurbish or resell your product.
- Product as a service: rent or lease instead of sell, so durability pays.
- Steward ownership: lock the mission into the ownership structure, as Patagonia did in 2022.
- Give-back: commit a fixed share of revenue, as 1% for the Planet members do. This does not lower your own footprint.
Sustainable business strategies
Measure, set a target, cut the largest source first, then report. Offsets come last and never replace cuts.
Sustainable business ideas
Repair and refurbishment, refill retail, energy auditing, heat pump and solar installation, secondhand resale, and food waste collection all have a sustainability case built in. None is sustainable by label alone, so run the numbers.
Common mistakes and greenwashing
- Vague claims. The FTC Green Guides, first issued in 1992 and last revised in 2012, say marketers “should not make broad, unqualified general environmental benefit claims like ‘green’ or ‘eco-friendly.'” Say what improved and by how much.
- Unqualified “recyclable”. The Guides say to qualify the claim when recycling facilities are not available to at least 60% of the consumers or communities where the product is sold.
- Offsets instead of cuts. The FTC expects reliable scientific evidence behind offset claims.
- Buying a badge first. Certification before measurement proves little.
Reporting basics
No US federal rule requires a typical small business to report emissions. The SEC adopted climate disclosure rules for public companies in March 2024, and in June 2026 it proposed to rescind them.
California is the exception at the top end. SB 253 applies to companies with more than $1 billion in annual revenue that do business in the state, with first scope 1 and 2 reports due August 10, 2026 under rules CARB adopted in February 2026.
Small firms feel this indirectly, because large customers need supplier data for their own scope 3. See carbon reporting requirements for small businesses.
A basic report states the period, what is included, totals by scope in CO₂e, the emission factors used, and the change against your baseline year.
Where to start if you run a small business
- Collect 12 months of electricity, gas and fuel bills plus travel records.
- Turn them into a footprint. Follow how to calculate a business carbon footprint or use the business carbon calculator.
- Find the largest source and fix that first.
- Set one dated target, such as a percentage cut in scope 1 and 2 by a named year.
- Publish a one-page annual report, then decide whether a certification is worth the fee.
Frequently asked questions
What is a sustainable business in simple terms?
A business that makes a profit without depleting natural resources or harming people, and can prove it.
What are the three pillars of a sustainable business?
People, planet and profit. This is the triple bottom line that John Elkington named in 1994.
Is a B Corp the same as a sustainable business?
No. B Corp is one certification, run by B Lab. A business can be sustainable without it.
How much does it cost to become a certified sustainable business?
From free or a nominal fee for local programs such as the California Green Business Network to $2,100 a year for a US B Corp with revenue up to $5 million (2026).
Sources
- B Lab: Companies achieve B Corp Certification under new global standards (June 2026)
- NYU Stern Center for Sustainable Business: Sustainable Market Share Index 2025 report
- McKinsey and NielsenIQ: Consumers care about sustainability and back it up with their wallets (2023)
- EPA: GHG Emission Factors Hub (2025)
- FTC: Environmental Claims, Summary of the Green Guides
- SBTi: Updated SME definition and fees
- ISO: ISO 14000 family, environmental management
About the author
Georgi Todorov is an eco activist and entrepreneur. He runs Ecoki, where he builds free tools and guides that help small businesses measure and cut their carbon footprint.