About the Company

TRUSTED BY

Independence meets Global Scale.

Our Strength

We simplify complex multinational programs through trusted partnerships, compliance expertise, and agile local brokers.

What Sets Us Apart
A collaborative culture with shared values — global and local at once.

Our three pillars

Partnership

1

Built on trust, transparency, and adaptability.

We grow together through long-term relationships and cross-border collaboration.

Compliance is key

2

We ensure programs meet legal standards across markets, offering expert support and alternative solutions to protect clients.

International expertise

3

With over 700 brokers in 150 countries, UnisonSteadfast brings deep local knowledge to global insurance challenges

Our History

2005

Founding of UnisonBrokers AG in Hamburg by Wolfgang Mercier

2010

Opening of a branch office in Chicago, IL, USA

2015

Founding of UnisonBrokers Corp. in the USA

2016

Setup of a Latin America hub via LARS network

2017

Merger with the Australian Steadfast Group and launch of UnisonSteadfast as a brand

2018

Setup of a hub in Africa via AABN

2019

Opening of the UnisonSteadfast China liaison office in Shanghai, China

2021

Opening of UnisonSteadfast representation for Southern Europe and Latin America in Xàbia (Spain)

2025

Celebration of 20th Anniversary

Our People

Muriel Mercier

Director Business Development

+49 (0) 40 80 90 729 – 60
Muriel.Mercier@unisonsteadfast.com

Rolf Hiroshi Diekhoff

Director Account Management

+49 (0) 40 80 90 729 – 20 

Rolf.Diekhoff@unisonsteadfast.com

Locations

Hamburg

UnisonSteadfast AG

Chilehaus C, Burchardstr. 13 

D-20095 Hamburg

Germany

T +49 (0)40 – 8090729 – 0 

F +49 (0)40 – 8090729 – 99 

E info@unisonsteadfast.com

Chicago

UnisonSteadfast Corp.

200 S. Wacker Drive, 

Suite 3100 Chicago, 

Illinois 60606 

USA 



E tim.higgins@unisonsteadfast.com

Spain

UnisonSteadfast Liaison Office Southern Europe

Thieviers, 1 esq. Juan Carlos I 

03730 Xàbia, ALICANTE

SPAIN


T +49 160 934467228 

E jenny.kubina@unisonsteadfast.com

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