Mainstay

Start a conversation

Contact

Let’s talk about what’s next.

Let’s talk about what’s next.

Let’s talk about what’s next.

Tell us a little about the decision in front of you. A partner will reply within one working day, usually sooner.

Hours

Mon–Fri, 8am–6pm

Mon–Fri, 8am–6pm

Start a conversation

Everything you share stays confidential.

Offices

Come and see us

Come and see us

Come and see us

London

14 Harbour Street

London EC3N 4AB

+44 20 7946 0120

New York

220 Fifth Avenue, 9th floor

New York, NY 10001

+1 (555) 010-2200

Singapore

8 Marina View, #32-01

Singapore 018960

+65 6800 1180

Mainstay

An independent strategy and operations consultancy. Senior partners, short timelines, results you can put a number on.

Start a conversation

© 2026 Mainstay Advisory Partners. All rights reserved.

Template demo content. Replace with your own.

Create a free website with Framer, the website builder loved by startups, designers and agencies.