General enquiries
hello@Data purchase, custom datasets, technical questions
To contact data intelligence experts at The Sellers Index, email [email protected] or call +44 (0)1544 391227. Two dedicated channels cover general data purchases and compliance questions respectively. Use the form below for async enquiries — every message is read and answered within one business day.
- Contact data intelligence experts by email at [email protected] for data purchase and custom dataset enquiries
- Use [email protected] for GDPR, data rights, and opt-out requests
- Call +44 (0)1544 391227 during UK business hours for urgent or complex queries
- Complete the contact form on this page for async enquiries — the team reads every message
- Review pricing and data package options before writing to speed up the conversation
- Read the GDPR compliance page if your question concerns data rights or lawful basis
- Expect a response within one business day for all channels
67,416 verified storefronts · UK · EU · US
Contact data
intelligence experts.
Whether it's a specific market, a custom requirement, or a compliance question — we respond within one business day. No gatekeeping. Talk directly to the people who built the data.
67,416 Storefronts tracked
16,931 Fully-enriched records
6 Marketplaces
Get in touch
Two ways
to reach us.
Compliance & data rights
compliance@GDPR, opt-outs, data-subject access requests — actioned within 72 hours
1
business day
Response time across all channels. Urgent? Email direct — we monitor throughout the working day.
Async enquiry
Send a message.
For those who prefer async. We read every message.
Guidance
Which channel to use
Use [email protected] for data purchase enquiries, custom dataset configuration, and technical questions. Use [email protected] for GDPR enquiries, data-subject access requests, and opt-out requests — removal requests are actioned within 72 hours and suppression is maintained across future data refreshes. For the lawful basis under Article 6(1)(f), see the GDPR compliance page. Buyers reviewing the Amazon seller data intelligence offering will find most questions answered on the product pages.
What to include when you first write
- Target geography — UK, Germany, France, Italy, Spain, or the US (see the pricing page for rates by market)
- Approximate record volume required
- Commercial use case — B2B sales outreach, market sizing, competitive intelligence, or aggregator resale
- Any filters needed — seller category, minimum revenue band, or VAT-registered status
Frequently asked
Common questions
How do I contact data intelligence experts for a custom dataset?
Email [email protected] with your target geography, approximate record volume, use case, and any filters required (category, revenue band, VAT-registered status). The team will respond within one business day with a quote and a sample file where appropriate. Alternatively, complete the contact form on this page and select "Custom dataset request" from the enquiry-type menu.
Is there a phone number for The Sellers Index?
Yes. The Sellers Index can be reached by telephone on +44 (0)1544 391227 during UK business hours. Because most data enquiries involve specific filters and record counts, email or the contact form typically yields a faster, more precise response. For detailed discussions, email first and arrange a call with the relevant context in hand.
What is The Sellers Index's registered address?
The Sellers Index operates from 61 Bridge Street, Kingston, Herefordshire, HR5 3DJ, United Kingdom. For regulatory correspondence or legal notices, use the compliance email address. Business registration details can be verified independently via Companies House.
Can I request a data sample before purchasing?
Yes. The Sellers Index can provide a sample from your target market so you can verify record quality and field completeness before committing to a full purchase. Request a sample via [email protected] or the contact form, including your target market and any category or revenue filter. The data intelligence product page lists the 11 enriched fields included with every record.
Who handles data-rights and opt-out requests?
All GDPR enquiries, data-subject access requests, and opt-out requests are handled by the compliance team at [email protected]. Opt-out requests are processed within 72 hours and suppression is maintained permanently across future data refreshes. The lawful basis for processing Amazon seller business data — Article 6(1)(f) legitimate interests — is explained on the GDPR compliance page. The Information Commissioner's Office publishes guidance on B2B data rights at ico.org.uk.