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Listed
Basic discovery profile, created from public data or claimed by the company. No editorial endorsement.
- ✓ Company exists in a public registry
- ✓ Active website with SSL certificate
- ✓ Category & country tagged
- — VAT not yet verified
- — Insurance not on file
- — No editorial review
Verified
Editorial team has confirmed identity, registration and at least one live customer. Document-backed.
- ✓ Everything in Listed, plus:
- ✓ VAT cross-checked via VIES (EU)
- ✓ Commercial register filing reviewed
- ✓ Director / officer identity confirmed
- ✓ 1+ verifiable customer reference
- ✓ Editorial review & copy edit
Premium Partner
Highest credibility tier. Independently checked insurance, references and certifications. Earned, never sold.
- ✓ Everything in Verified, plus:
- ✓ Liability insurance on file
- ✓ 3+ independent client references
- ✓ ISO 9001 or equivalent quality cert
- ✓ Editorial inspection
- ✓ Re-checked every 12 months
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Submission & intake
Company submits via the Add Your Company form, or claims an auto-generated profile. We log company name, registered address and self-declared category.
Public registry sweep
Cross-check across VIES (EU VAT), national commercial registers (Handelsregister, KvK, Mercantile Register, etc.) and OpenCorporates. Rejected if registration is dissolved or inactive.
Document & identity review
We request certificate of incorporation, current insurance certificate, officer ID and recent invoices to confirm trading activity. Documents are stored encrypted, never published.
Reference & review check
Declared customers are contacted. Independent search for negative press, regulatory actions and review patterns. Notes are attached to the company file.
Inspection (Premium)
For the Premium Partner tier: a closer editorial inspection of the company's operations, certifications and staff.
Tier assignment & publication
The verification outcome is published on the company profile with the badge. Companies can appeal a tier decision; appeals are reviewed independently.
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01 Identity & registration
- ✓ Legal name matches commercial register
- ✓ Registered address is a real street address
- ✓ Company incorporated for ≥ 12 months
- ✓ At least one director identifiable
- ✓ Status: Active (not dissolved or struck off)
02 Trading activity
- ✓ Active website with SSL, recently updated
- ✓ Verifiable past projects
- ✓ Recent invoice or contract sample
- ✓ VAT returns filed (Premium)
- ✓ Headcount corroborated by LinkedIn
03 Insurance & financial
- ✓ Public liability insurance on file
- ✓ Insurance certificate dated within 12 months
- ✓ No insolvency proceedings on record
- ✓ Filed accounts available (Premium)
- ✓ Basic financial sanity check (Premium)
04 Quality & certifications
- ✓ Country-specific compliance (VDE 4105, MCS, etc.)
- ✓ ISO 9001 or sector QMS (Premium)
- ✓ Manufacturer certifications match issuer records
- ✓ Trade body membership where applicable
- ✓ Health & safety certification
05 Customer evidence
- ✓ Named customer references
- ✓ References reached directly
- ✓ No pattern of fake reviews
- ✓ Reasonable response rate to quote requests
- ✓ No unresolved regulator complaints
06 Editorial & ongoing
- ✓ Editorial review of all profile copy
- ✓ Photography reflects actual work
- ✓ Re-check every 12 months
- ✓ Companies notified before any downgrade
- ✓ Public revision log on every profile
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The EU Commission's database for cross-border VAT validation across member states.
Federated access to national commercial registers — Handelsregister (DE), KvK (NL), Mercantile Register (ES), etc.
A large open database of company information, used for cross-jurisdiction checks and historical filings.
Independent certification bodies — we confirm ISO and type-approval certificates against issuer records.
Independent assurance for utility-scale and industrial projects, used to validate EPC capability claims.
Headcount and director identity — self-declared employee counts are compared against tracked counts.
UK-specific installer accreditation, expected for UK Verified or Premium installer listings.
German solar industry association — membership cross-checked for German installers and EPCs.
Spain's national PV association — used as a credential signal for Spanish companies.