Complete Discretion
Cabin conversations are private. Our chauffeurs are trained professionals who understand what discretion means in practice — not just in principle.
Ground transport built
around your schedule.
Not the other way around.
Discreet. Punctual. Fixed-rate. Always.
Your schedule is not compatible with the unpredictable.
An executive's day is built on marginal time. The 20-minute window between an early arrival and a first meeting. The transfer between a closing dinner and a red-eye departure. The car that isn't there — or arrives unprepared — doesn't just create a logistical problem. It creates a mental one.
Sigma's executive service was designed to remove that variable entirely. Your chauffeur monitors your flight, holds your preferred vehicle class, and arrives before you expect them. The rate was agreed at booking. There are no surprises.
Built around
your expectations.
Pre-Arrival Timing
Drivers are dispatched with built-in margin. You are never the reason someone is running late.
Fixed Rates
Quoted at booking. Charged at destination. No surge pricing, no peak-hour adjustments, no exceptions.
Flight Tracking
Every airport transfer monitors the actual departure and arrival in real time. If your flight changes, your chauffeur already knows.
Consistent Standard
The vehicle, the chauffeur, and the experience in Chicago are held to the same standard as in Los Angeles. Every time.
Direct Contact
Corporate accounts include a dedicated point of contact. Not a queue. A person who knows your preferences.
Simple by design.
Book Online or by Phone
Select your route, vehicle class, and schedule. Confirmation arrives within minutes. No account required for standard bookings.
Driver Assigned in Advance
Your chauffeur's name, vehicle, and ETA are sent to you and your EA ahead of departure.
Arrive Early, Leave Ready
Your driver is on-site before you need them. The vehicle is prepared, the temperature is set. Nothing left to manage.
Where Sigma shows up.
Airport Transfers
Terminal pickups with meet-and-greet, name board, and 60 minutes complimentary wait. All major airports in each Sigma city.
Board Meeting Transport
Punctual transfers between offices, hotels, and venues — timed to your agenda.
Multi-Stop City Days
A single chauffeur, available by the hour, routing your day across meetings and appointments without friction.
Private Evening Transport
Dinners, gallery openings, private events — a driver who knows when to be present and when to disappear.
“I book for our CEO across four cities. In every market, it's Sigma. The discretion, the punctuality, the immaculate vehicles — nothing in the black car industry comes close.”
The car is already on its way.
You just haven't booked yet.
Fixed rate. Confirmed driver. Early arrival. Eight cities, around the clock.