Clients

Accounting firms across the world use IRIS Star Practice Management software to help run their businesses. These include regional and national offices of the Big 4 global practices and many members of the main international associations.

Clients A-Z

  • Abacus Ltd
  • Abacus Trust Group
  • ACA Compliance Group
  • Anchin
  • Aronson
  • Baker Newman & Noyes
  • Baker Tilly Lux
  • Baker Tilly
  • BCM Bays Curry McCowen
  • BDO
  • BDO NI
  • Begbies
  • Bennett Thrasher
  • BKD
  • Bonadio Group
  • Boston Group
  • Brady Martz
  • Brebners
  • BSG Valentine
  • Cherry Bekaert
  • Citrin Cooperman
  • Clark Nuber
  • CliftonLarsonAllen
  • Cohen & Co
  • Crowe (UK)
  • Crowe (Ireland)
  • Crowe Morgan
  • Critchleys
  • Dalby Wendland
  • Dale Matheson Carr-Hilton LaBonte
  • Daszkal Bolton
  • DeJoy, Knauf & Blood
  • Denman & Co
  • Dixon Hughes Goodman
  • Edmund Carr
  • Eide Bailly
  • Elliott Davis
  • Equiom (Scotland)
  • Ernst & Young
  • Fletcher & Partners
  • Forrester Boyd
  • GBQ
  • Grant Thornton
  • Grassi & Co
  • Greaves West & Ayre
  • Hawsons
  • HBN Tax and Legal
  • Hill Barth & King
  • Holthouse Carlin & Van Trigt
  • Jeffrey Crawford & Co
  • Kaufman, Rossin & Co
  • K•Coe Isom
  • Kahn, Litwin Renza & Co
  • KPMG
  • Kraft
  • Landau Morley
  • Lane Clark & Peacock
  • LBMC
  • Legacy Professionals
  • Lentells Limited
  • Lindquist
  • MGO
  • Mark J Rees
  • Marks Nelson LLC
  • Marks Paneth LLP
  • Martin and Company
  • MAS
  • Miller Cooper
  • Mize CPAs Inc.
  • Moore Thompson
  • Mowery & Schoenfeld
  • Plante Moran
  • Punongbayan & Araullo
  • Prime Accountants Group
  • PSB Boisjoli
  • PwC
  • RDP Newmans
  • Rea & Associates
  • Rehmann
  • RKL
  • RLB
  • RMT
  • Robinson & Hall
  • RSM Canada
  • Schneider Downs
  • Schultheis & Panettieri
  • Scott & Wilkinson
  • Smith & Williamson
  • Sobell Rhodes
  • Stone Pine Accounting Services
  • Sullivan Cotter
  • Tait Walker
  • Townends
  • TRICOR Caribbean
  • UHY Torgersens
  • Warren Averett
  • Welch
  • Wertz & Company
  • Wipfli
  • Wolf & Co

Networks & lists

ACCELERATE (HCWA)

  • Crowe (UK)
  • Mark J Rees

ACCOUNTING TODAY TOP 100 FIRMS 2021

  • Anchin
  • Aronson
  • Baker Newman & Noyes
  • Baker Tilly
  • Bennett Thrasher
  • BKD
  • Bonadio
  • Brady Martz
  • Cherry Bekaert
  • Citrin Cooperman
  • Clark Nuber
  • CliftonLarsonAllen
  • Cohen & Co
  • Dixon Hughes Goodman
  • Eide Bailly
  • Elliott Davis
  • Grassi & Co
  • Hill Barth & King
  • Holthouse Carlin & Van Trigt
  • Kaufman Rossin Group
  • K•Coe Isom
  • KLR
  • LBMC
  • Marks Paneth LLP
  • MGO
  • Plante Moran
  • Rea & Associates
  • Rehmann
  • RKL
  • Schneider Downs
  • Warren Averett
  • Wipfli
  • Wolf & Co

ACCOUNTANCY AGE TOP 50 + 50 FIRMS

  • BDO*
  • Brebners
  • Critchleys
  • Crowe (UK)
  • EY*
  • MHA*
  • Moore*
  • Moore Thompson
  • PwC*
  • Smith & Williamson
  • UHY Hacker Young*

* Selected offices only

AGN INTERNATIONAL

  • Crowe Morgan
  • Daszkal Bolton

AIT

  • Crowe (UK)
  • Smith & Williamson

ALLINIAL GLOBAL

  • Wipfli
  • Wolf & Co

BAKER TILLY INTERNATIONAL

  • Baker Newman & Noyes
  • Baker Tilly Lux
  • Baker Tilly Virchow Krause

BDO

  • DeJoy, Knauf & Blood LLP
  • GBQ
  • Hill Barth & King
  • MGO
  • Rea & Associates

BKR INTERNATIONAL

  • Anchin
  • Mize CPAs Inc.
  • Welch

BOOMER CONSULTING INC.

  • BKD
  • Clark Nuber
  • Daszkal Bolton
  • Hill, Barth & King
  • Kahn, Litwin Renza & Co
  • K•Coe Isom
  • LBMC
  • Mowery & Schoenfeld

CROWE

  • Crowe (UK)
  • Crowe (Ireland)

DFK INTERNATIONAL

  • Bennett Thrasher
  • RMT Accountants & Business Advisors

EY

GRANT THORNTON

HLB INTERNATIONAL

  • Eide Bailly
  • Hawsons

IGAL

  • Brebners

INTERNATIONAL PRACTICE GROUP

  • BKD

INSIDE PUBLIC ACCOUNTING BEST OF THE BEST FIRMS 2021

  • Bennett Thrasher
  • BKD
  • Dixon Hughes Goodman
  • GBQ
  • Holthouse Carlin & Van Trigt
  • Kahn, Litwin Renza & Co
  • Schneider Downs

INSIDE PUBLIC ACCOUNTING TOP 100 FIRMS 2021

  • Anchin
  • Aronson
  • Baker Newman & Noyes
  • Baker Tilly
  • Bennett Thrasher
  • BKD
  • Cherry Bekaert
  • Citrin Cooperman
  • Clark Nuber
  • Clifton Larson Allen
  • Cohen & Company
  • Dixon Highes Goodman
  • Eide Bailly
  • Elliott Davis
  • Grassi
  • Hill Barth & King
  • Holthouse Calin & Van Tright
  • Kaufman Rossin Group
  • K•Coe Isom
  • KLR
  • LBMC
  • Marks Paneth LLP
  • MGO
  • Plante Moran
  • Rea & Associates
  • Rehmann
  • RKL
  • Schneider Downs
  • The Bonadio Group
  • Warren Averett
  • Wipfli
  • Wolf & Co

ITA

  • Anchin
  • Baker Tilly
  • BKD
  • Cherry Bekaert
  • Citrin Cooperman
  • CliftonLarsonAllen
  • Cohen & Co
  • Dixon Hughes Goodman
  • Eide Bailly
  • Elliott Davis
  • LBMC
  • Marks Paneth LLP
  • Plante Moran
  • Warren Averett
  • Wipfli

KPMG

LEA GLOBAL

  • Bennett Thrasher
  • Clark Nuber
  • Kahn, Litwin Renza & Co
  • LBMC
  • Marks Nelson LLC

MHA

  • Tait Walker

MOORE

  • Citrin Cooperman
  • Dale Matheson Carr-Hilton LaBonte
  • Elliott Davis
  • Grassi & Co
  • Holthouse Carlin & Van Trigt
  • The Bonadio Group

MORISON KSi

  • Marks Paneth LLP

NEXIA INTERNATIONAL

  • Abacus Trust Group
  • CliftonLarsonAllen
  • Miller Cooper
  • Rehmann
  • Smith & Williamson

PRAXITY GLOBAL ALLIANCE OF INDEPENDENT FIRMS

  • Aronson
  • BKD
  • Dixon Hughes Goodman
  • Forrester Boyd
  • Kaufman Rossin Group
  • Plante Moran

PRIME GLOBAL

  • K•Coe Isom
  • Schneider Downs
  • PSB Boisjoli

PwC

RSM

  • Brady Martz
  • Kraft CPA’s
  • RKL
  • RSM Canada

TIAG

  • Cherry Bekaert
  • Cohen & Co

UHY

  • UHY Torgersens

Clients by location

EU
EU
  • Bermuda

    KPMG
EU
  • Canada

    Dale Matheson Carr-Hilton LaBonte
  • Grant Thornton
  • PSB Boisjoli
  • RLB
  • RSM Canada
  • Welch
EU
  • Cayman Islands

    KPMG
  • Plante Moran
EU
  • Curaçao

    HBN Tax and Legal
EU
EU
  • Jamaica

    KPMG
EU
  • Australia

    Baker Tilly
EU
  • Chile

    Baker Tilly
EU
  • Cyprus

    Abacus Ltd
EU
  • France

    MAS
EU
  • Germany

    Baker Tilly
  • MAS
EU
  • Hong Kong

    Abacus Trust Group
  • ACA Compliance Group
EU
  • India

    MGO
  • Plante Moran
EU
  • Ireland

    BDO NI
  • Crowe (Ireland)
  • Lane Clark & Peacock
  • Smith & Williamson
EU
  • Luxembourg

    Baker Tilly Lux
  • KPMG
  • MAS
EU
  • Malta

    Abacus Trust Group
  • ACA Compliance Group
  • Boston Group
EU
  • Mauritius

    MAS
EU
  • Monaco

    Abacus Trust Group
EU
  • Philippines

    Punongbayan & Araullo
EU
  • Singapore

    Baker Tilly
EU
  • Switzerland

    Abacus Trust Group
  • Kahn, Litwin Renza & Co
EU
  • United Arab Emirates

    Baker Tilly
EU
  • UK

    ACA Compliance Group
  • Begbies
  • BCM Bays Curry McCowen LLP
  • Brebners
  • BSG Valentine
  • Crowe (UK)
  • Critchleys
  • Edmund Carr
  • Equiom (Scotland)
  • Hawsons
  • Fletcher & Partners
  • Forrester Boyd
  • Greaves West & Ayre
  • Jeffrey Crawford & Co
  • Landau Morley
  • Lane Clark & Peacock
  • Lentells Limited
  • Mark J Rees
  • Martin and Company
  • Moore Thompson
  • Prime Accountants Group
  • RDP Newmans
  • RMT
  • Robinson & Hall
  • Scott & Wilkinson
  • Smith & Williamson
  • Sobell Rhodes
  • Tait Walker
  • Townends
  • UHY Torgersens
  •  
  • Channel Islands:
  • BDO
  • KPMG
  • Smith & Williamson
  •  
  • Isle of Man:
  • Abacus Trust Group
  • Boston Group
  • Crowe Morgan
  • EY
  • KPMG
  • PwC
EU

Australia

  • Baker Tilly

Barbados

  • KPMG

Bermuda

  • KPMG

Canada

  • Dale Matheson Carr-Hilton LaBonte
  • Grant Thornton
  • PSB Boisjoli
  • RLB
  • RSM Canada
  • Welch

Cayman Islands

  • KPMG
  • Plante Moran

Channel Islands

  • BDO
  • KPMG
  • Smith & Williamson

Chile

  • Baker Tilly

Curaçao

  • HBN Tax and Legal

Cyprus

  • Abacus Ltd

France

  • MAS

Germany

  • Baker Tilly
  • MAS

Hong Kong

  • Abacus Trust Group
  • ACA Compliance Group

India

  • MGO
  • Plante Moran

Ireland

  • BDO NI
  • Crowe (Ireland)
  • Lane Clark & Peacock
  • Smith & Williamson

Isle of Man

  • Abacus Trust Group
  • Boston Group
  • Crowe Morgan
  • EY
  • KPMG
  • PwC

Jamaica

  • KPMG

Luxembourg

  • Baker Tilly Lux
  • KPMG
  • MAS

Malta

  • Abacus Trust Group
  • ACA Compliance Group
  • Boston Group

Mauritius

  • MAS

Monaco

  • Abacus Trust Group

Philippines

  • Punongbayan & Araullo

Singapore

  • Baker Tilly

Switzerland

  • Abacus Trust Group
  • Kahn, Litwin Renza & Co

Trinidad & Tobago

  • KPMG

United Arab Emirates

  • Baker Tilly

UK

  • ACA Compliance Group
  • Begbies
  • BCM Bays Curry McCowen LLP
  • Brebners
  • BSG Valentine
  • Crowe (UK)
  • Critchleys
  • Edmund Carr
  • Equiom (Scotland)
  • Hawsons
  • Fletcher & Partners
  • Forrester Boyd
  • Greaves West & Ayre
  • Jeffrey Crawford & Co
  • Landau Morley
  • Lane Clark & Peacock
  • Lentells Limited
  • Mark J Rees
  • Martin and Company
  • Moore Thompson
  • Prime Accountants Group
  • RDP Newmans
  • RMT
  • Robinson & Hall
  • Scott & Wilkinson
  • Smith & Williamson
  • Sobell Rhodes
  • Tait Walker
  • Townends
  • UHY Torgersens

USA

  • ACA Compliance Group
  • Anchin
  • Aronson
  • Baker Newman & Noyes
  • Baker Tilly
  • Bennett Thrasher
  • BKD
  • Bonadio Group
  • Brady Martz
  • Cherry Bekaert
  • Citrin Cooperman
  • Clark Nuber
  • CliftonLarsonAllen
  • Cohen & Co
  • Dalby Wendland
  • Daszkal Bolton
  • DeJoy, Knauf & Blood
  • Dixon Hughes Goodman
  • Eide Bailly
  • Elliott Davis
  • GBQ
  • Grassi & Co.
  • Hill Barth & King
  • Holthouse Carlin & Van Trigt
  • Kahn, Litwin Renza & Co
  • Kaufman, Rossin & Co
  • K•Coe Isom
  • KraftCPAs
  • LBMC
  • Legacy Professionals
  • Lindquist
  • MGO
  • Marks Nelson LLC
  • Marks Paneth LLP
  • Miller Cooper
  • Mize CPAs Inc.
  • Mowery & Schoenfeld
  • Plante Moran
  • Rea & Associates
  • Rehmann
  • RKL
  • Schneider Downs
  • Schultheis & Panettieri
  • Stone Pine Accounting Services
  • Sullivan Cotter
  • Warren Averett
  • Wertz & Company
  • Wipfli
  • Wolf & Co

Clients by number of employees

< 100

  • Abacus Trust Group
  • Baker Tilly Lux
  • BCM Bays Curry McCowen
  • BDO
  • Begbies
  • Boston Group
  • BSG Valentine
  • Crowe Morgan
  • DeJoy, Knauf & Blood
  • Denman & Co
  • Edmund Carr
  • Equiom (Scotland)
  • Ernst & Young
  • Fletcher & Partners
  • HBN Tax and Legal
  • Jeffrey Crawford & Co
  • KPMG
  • Landau Morley
  • Lentells
  • Mark J Rees
  • Martin and Company
  • MAS
  • RDP Newmans
  • RMT
  • Robinson & Hall
  • Scott & Wilkinson
  • Sobell Rhodes
  • Townends
  • TRICOR Caribbean
  • UHY Torgersens
  • Wertz & Company

100 – 200

  • Abacus Ltd
  • BDO NI
  • Brebners
  • Critchleys
  • Crowe (Ireland)
  • Dale Matheson Carr-Hilton LaBonte
  • Dalby Wendland
  • Daszkal Bolton
  • Forrester Boyd
  • Greaves West & Ayre
  • Hawsons
  • KPMG
  • Legacy Professionals
  • Lindquist
  • Marks Nelson LLC
  • Moore Thompson
  • Mowery & Schoenfeld
  • PricewaterhouseCoopers
  • Prime Accountants Group
  • Punongbayan & Araullo
  • RLB
  • Schultheis & Panettieri
  • Stone Pine Accounting Services
  • Tait Walker

201 – 500

  • ACA Compliance Group
  • Aronson
  • Baker Newman & Noyes
  • Bennett Thrasher
  • Brady Martz
  • Clark Nuber
  • GBQ
  • Grassi & Co
  • Hill, Barth & King
  • Kahn, Litwin Renza & Co
  • Kaufman Rossin Group
  • K•Coe Isom
  • KPMG
  • Kraft
  • Miller Cooper
  • Mize CPAs Inc.
  • PSB Boisjoli
  • Rea & Associates
  • RKL
  • RSM Canada
  • Sullivan Cotter
  • Welch
  • Wolf & Co

501 – 1000

  • Anchin
  • Bonadio
  • Cohen & Co
  • Elliott Davis
  • Holthouse Carlin & Van Trigt
  • Lane Clark & Peacock
  • LBMC
  • MGO
  • Marks Paneth LLP
  • Rehmann
  • Schneider Downs & Co
  • Warren Averett

1000+

  • Baker Tilly
  • BKD
  • Cherry Bekaert
  • Citrin Cooperman
  • CliftonLarsonAllen
  • Crowe (UK)
  • Dixon Hughes Goodman
  • Eide Bailly
  • Grant Thornton
  • KPMG
  • Plante Moran
  • Smith & Williamson
  • Wipfli

Request more information

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