If you're reading this, someone has probably asked for your carbon data. Most commonly that means one of two things:
Finding the right UK carbon footprint consultant as an SME is harder than it looks: most comparison articles bundle enterprise firms like Carbon Trust and Anthesis alongside small specialists, which is not a useful comparison if you're a 30-person manufacturer trying to hit a deadline.
Every firm meets all six: UK-registered and actively delivering to SMEs in 2026; SME-focused engagement model; demonstrable PPN 006 / CRP delivery; methodology aligned with the GHG Protocol Corporate Standard and DEFRA / UK Government conversion factors; transparent or fixed-fee pricing available to SMEs; identifiable accreditations (ISO 14064, B Corp, IEMA, SBTi, Carbon Literacy Project).
| Firm | Type | Best for | Carbon footprint | PPN 006 CRP | Pricing signal |
|---|---|---|---|---|---|
| The Carbon Stamp | Consultancy | Fixed-fee footprints & PPN 006 for UK SMEs — all sectors | Yes (core) | Yes (core) | Published bands from £1,095+VAT |
| Green Business | Consultancy | Micro & small SMEs wanting transparent pricing | Yes (from £599+VAT) | Yes | Footprint from £599+VAT |
| Litmus Sustainability | Consultancy | Government & NHS bid teams | Yes | Yes (specialism) | Custom; free consultation; DIY masterclass |
| SBS | Consultancy | SMEs wanting an outsourced sustainability team | Yes | Yes | Programme-based; free Net-Zero Scorecard |
| ecollective | Consultancy | Travel, food and events sector SMEs | Yes (sector specialism) | Yes (sector framing) | Custom project-based |
| C Free | Consultancy | NHS framework suppliers | Yes | Yes (NHS focus) | Custom; SME-accessible |
| NetZero Group (NetScope) | Hybrid SaaS + consultancy | Manufacturing & NHS mid-market suppliers | Yes (platform-based) | Yes (high volume) | Custom platform + consultancy bundle |
| EcoHedge | SaaS + consultancy | Small businesses on Xero / Sage / QuickBooks | Yes (core platform) | Yes (paid add-on) | Free tier; paid tiers via demo |
| Seedling | SaaS + consultancy | SMEs up to 2,000 FTE wanting a named expert | Yes (core platform) | Yes (template incl.) | Scales with size; demo for quote |
| Flotilla | SaaS + consultancy | B Corp candidates & construction SMEs | Yes (core platform) | Yes (core) | Tiered packages CRP → ESG Manager |
Start from the trigger, not the deliverable. If a customer has asked for your emissions number, you're applying for B Corp or EcoVadis, or you simply want to disclose voluntarily, you need a GHG Protocol-aligned carbon footprint covering Scope 1, 2 and material Scope 3 — a standalone director-signed report, ready to hand to the customer or upload to a disclosure portal. No Carbon Reduction Plan required.
If your driver is a UK central government tender above the £5m threshold, an NHS Supply Chain bid or a Crown Commercial Service framework, you need both: the carbon footprint and a PPN 006-compliant Carbon Reduction Plan built on top of it. The CRP cannot exist without the footprint — every credible consultant on this list scopes the two together for tender-driven projects. SECR is a separate annual disclosure that only kicks in once you cross the large-company threshold (250 staff, £36m turnover or £18m balance sheet, meeting two of three).
UK SME-only carbon consultancy delivering Scope 1, 2 and 3 footprints, PPN 006-compliant CRPs, ISO 14068 carbon neutral certification and verified offsetting. GHG Protocol-aligned, director-signed reports built for procurement evaluation across every UK SME sector. Differentiators: published banded fixed-fee pricing; proprietary Supplier Engagement Portal and Employee Carbon Survey Tool; 4–8 week turnaround with 10-day expedited option. Best fit: SMEs wanting a single fixed price, named consultant and procurement-ready deliverable.
SME-only UK consultancy offering carbon footprints, PPN 006 CRPs, third-party verification and Green Business Certification (positioned as an SME-friendly ISO 14001 alternative). Transparent published pricing (footprints from £599+VAT); 300+ SMEs supported; entirely human-led with no platform lock-in. Best fit: micro and small SMEs prioritising published price visibility and a certification mark.
UK net-zero consultancy specialising in PPN 006 CRPs for SMEs bidding on central government and NHS contracts. Strong content-led SEO around PPN 006; "bid-winning" positioning; 12-part self-serve CRP masterclass as lead funnel. Best fit: bid and proposal teams who want a consultant who lives PPN 006 evaluation criteria.
Outsourced sustainability team for UK SMEs delivering GHG Protocol / ISO 14064 / PPN 006 / SBTi-aligned footprints, CRPs and verification, framed around supply-chain and tender-readiness pressure. Embeds with client team; bundles Carbon Literacy training, Scope 3 and energy procurement. Entry point: free Net-Zero Scorecard. Best fit: SMEs wanting ongoing fractional sustainability support rather than a single deliverable.
Sector-specialist SME carbon consultancy producing footprints and SBTi / PPN 006-aligned reduction plans with a "no waffle" reporting style and Carbon Literacy training. Deep specialism in travel, food and events. Best fit: SMEs in hospitality, travel, food and events who value plain-English reporting.
UK environmental consultancy specialising in carbon footprint calculations and CRPs for NHS framework suppliers — direct mirror of the public-sector-supplier niche. Strong NHS specialism, bespoke data dashboards, published testimonials in NHS and consumer goods. Best fit: SMEs whose entire commercial driver is a current or upcoming NHS Supply Chain / CCS bid.
UK consultancy combining the NetScope SaaS platform with senior consultants for PPN 006 CRPs, SECR, TCFD, Greener NHS reporting and SBTi-aligned roadmaps. Explicit sector pages for manufacturing and NHS; hundreds of PPN 006 CRPs delivered. Best fit: mid-market SMEs and lower mid-market companies needing both a one-off CRP and an ongoing reporting environment.
UK-built carbon accounting SaaS pulling data from Xero, QuickBooks and Sage, generating GHG Protocol Scope 1/2/3 reports, with PPN 006 CRP as a paid consultancy add-on. Sub-10-minute onboarding; native cloud-accounting integrations; 277,000+ emission factors; sector pages for manufacturing, construction and agriculture. Best fit: small businesses already running finances on a cloud accounting platform.
All-in-one carbon accounting and Net Zero planning platform for businesses up to 2,000 FTEs with SECR, B Corp, EcoVadis and PPN 006 reporting templates and a named carbon expert per client. Activity-based methodology; ISO 14064 aligned; CRP claimed in under four weeks; channel partnerships with UK accountancy firms. Best fit: larger SMEs and small mid-market businesses wanting platform plus a single named advisor.
UK B Corp carbon platform for SMEs integrating with finance and HR systems for full Scope 1/2/3 footprints, PPN 006 / SECR / CRPs and decarbonisation action libraries, backed by an advisory team. Advisory board chaired by UK CCC Chair Piers Forster; strong construction sector traction; B Corp certified; API integrations with Sage, Xero and QuickBooks. Best fit: SMEs working toward B Corp certification, or construction SMEs needing structured action libraries.
Every firm on this list meets all six of the following criteria. Where a firm trades off one criterion for another — for example, deeper NHS specialism vs broader sector coverage — that trade-off is called out in its entry.
Most UK SMEs spend between £600 and £6,000+VAT for a one-off engagement covering Scope 1, 2 and material Scope 3 emissions plus a PPN 006-compliant Carbon Reduction Plan. The exact figure depends on headcount, number of sites and how deep your supplier-spend analysis needs to go.
The Carbon Stamp publishes two fixed-fee packages, scaling by employee band up to 250 staff:
See the exact price for your business → Fixed-fee, one-off — no day rates, no scope creep. View pricing.