London · 2026 · Founding Membership
BLACKLINE is a closed-access private membership granting frictionless access to London's most rigorous health and beauty providers — arranged, managed, and held to a single contractual standard.
The Standard
A dedicated relationship manager who already knows you. No briefing required. No inconsistency tolerated.
Every practitioner in the BLACKLINE network is mystery-shopped, contracted to SLA, and monitored. No exceptions.
Health & Beauty now. Hospitality — bars, clubs, restaurants — from Month 9. One membership. One standard.
London's highest-spending clients
navigate health and beauty
identically to everyone else.
BLACKLINE was built to change that.
How It Works
01 — Apply
Complete a brief expression of interest. This takes under two minutes. We review every application personally and respond within 48 hours.
02 — Profile
If approved, you'll be invited to complete your member profile — your preferences, interests, and what matters most. This becomes the brief for your relationship manager.
03 — Begin
Your relationship manager is assigned. Your introductory call is booked. From that point, you don't chase appointments. We do.
BLACKLINE is accepting a limited founding cohort. Founding members are onboarded at the original rate and will never be subject to standard pricing increases. Numbers will not expand beyond the founding cohort until the service standard is proven.
Annual · Best Value
£6,000
per year
Save £1,200 vs monthly
Lock in founding member rate
Priority onboarding
Monthly · Flexible
£600
per month
£7,200 annually
Cancel with 30 days notice
Full membership access
Founding Membership · London · 2026
Complete a brief expression of interest. We will be in touch directly.
All enquiries are handled in strict confidence · Mutual NDA on request