Greywell
Principal Support and Staffing
for UHNW Households & Family Offices
We bring trusted people together, resolve the details and bring you concise decisions. Our role is to protect your attention while keeping your household and family office moving.
Start a Conversation
Our Services
First, we learn
how you live and work.
Executive Assistant and
Chief of Staff Operations
Supporting a UHNW principal means understanding what deserves your attention, what can be handled on your behalf and when to bring you into a decision. We learn how you live and work, then take ownership of the responsibilities you entrust to us.
- Travel & Logistics
- Luxury travel itinerary planning and private jet bookings, with careful coordination of the details between departure and arrival.
- Properties & Projects
- Renovation management and recurring oversight of luxury primary residences and investment properties. Maintenance calendars, vendor coordination and follow through on the work that keeps each property cared for.
- People & Administration
- People administration for UHNW private households and family offices, including payroll, 401(k) coordination and benefits administration.
Staffing
A person can interview beautifully and still be wrong for the way a household runs. Before introducing candidates, we ask how you communicate, where previous arrangements have fallen short and what you need someone to notice without being told.
Our proprietary network draws on graduates from leading institutions, many of whom would not otherwise have discovered careers supporting UHNW principals. Greywell was created to open that path and give UHNW households and family offices access to talent the usual channels can overlook.
We look beyond academic credentials to judgment, discretion, initiative and the ability to work well with others. Candidate assessment, background checks and references help us understand the person behind the résumé.
We stay involved as you shape the offer, introduce the role and settle into working together.
An introduction is
a matter of trust.
Thoughtful introductions to highly vetted bookkeepers, CPAs, wealth managers and UHNW insurance brokers. Our network is deliberately selective, built around people whose judgment, integrity and care match the responsibility of serving a UHNW household or family office.
We help build your team and remain your point of contact, keeping the work moving across the professionals involved. When a decision needs your attention, we bring you a concise account of what matters, the available options and a clear recommendation. You can devote your attention to the work only you can do and enjoy the life you have built.
We choose people who speak candidly, take the time to know you and remain invested in the outcome. These relationships are built on honest support and a belief that good work can serve everyone involved.
Our Founder
Lindsey’s path
to Greywell.

Lindsey Martino
Lindsey Martino’s understanding of UHNW households began in the work itself. Throughout her time at UC Berkeley, she worked as a nanny and private educator for UHNW families, learning their routines, earning their trust and seeing how much a household depends on the people within it.
After graduating with a degree in economics in 2023, she spent a year finding the right long term partnership with a UHNW principal. In that role, she advanced from Executive Assistant to Chief of Staff within 17 months. She built the family office’s operational infrastructure from inception, taking responsibility for property operations, payroll and people administration, and coordination with legal and accounting advisors.
Greywell grew from two observations: UHNW principals need people who can take ownership, and many capable graduates have never been introduced to this profession. Lindsey founded the firm to bring those two worlds together, drawing on her experience of both doing the work and building the role.
A principal’s perspective
“I could give her a complex problem with little direction and trust her to take ownership and carry it through to resolution.”
Private UHNW Principal
Our Reach
Founded on the Pacific Coast.
Serving UHNW clients globally.
Our work began with UHNW families on the Pacific Coast. Today, we welcome principal support and staffing inquiries from UHNW households and family offices across the United States and abroad.
Pacific Coast
- San Francisco & Silicon Valley, CA
- Woodside & Atherton, CA
- Marin & Sonoma County, CA
- Los Angeles, Beverly Hills & Malibu, CA
- Montecito & Santa Barbara, CA
- Newport Beach & Orange County, CA
- San Diego & Rancho Santa Fe, CA
- Seattle & Bellevue, WA
Mountain & Desert
- Lake Tahoe & Incline Village, NV
- Aspen & Vail, CO
- Denver & Boulder, CO
- Jackson Hole, WY
- Park City, UT
- Scottsdale & Paradise Valley, AZ
- Las Vegas & Henderson, NV
Central & South
- Dallas & Fort Worth, TX
- Houston, TX
- Austin, TX
- Chicago & North Shore, IL
- Minneapolis & Lake Minnetonka, MN
- Nashville, TN
- Atlanta, GA
Atlantic Coast
- New York City & the Hamptons, NY
- Greenwich & Fairfield County, CT
- Boston, Nantucket & Martha’s Vineyard, MA
- Washington, DC & Northern Virginia
- Palm Beach & West Palm Beach, FL
- Miami & Fort Lauderdale, FL
- Naples, FL
We welcome inquiries from these communities and beyond.
A confidential introduction
Let’s talk about
what would make life easier.
Tell us where you need support in your UHNW household or family office, or about the person you hope to find. Your first conversation will be with Lindsey.
Confidential Inquiry lindsey@greywell.co