One Human Service Network (OneHSN)

One Human Service Network (OneHSN) is a Social Purpose Enterprise that builds and supports highly secure, integrated cloud based software systems for all levels of government and multi-enterprise human service organizations.

OneHSN (formerly known as RBB Innovations) is a leader in multi-enterprise client information management system solutions and client-centric service integration software designed for the human services sector. For the past 25 years, OneHSN has been a technology partner with governments ministries and agencies, local and regional municipalities and service agencies to support system-wide service integration so residents can get the services they need, when they need them in the most effective and efficient manner possible. OneHSN’s success in the design and development of value-driven solutions is a direct result of leveraging the know-how and expertise of staff in the delivery of human services and the shared priority of improving the client service experience and achieving better outcomes.

Over the past several years, investment and resources have been dedicated to serving the early learning system and the development of sustainable technology that is enabling the modernization of service delivery in child care. The result is a highly secure innovative technology platform (Childcare Connect) and solutions for the early learning, care and education sectors and refined a well-proven and reliable methodology that streamlines business practices, direct citizens that are able to access services more effectively with self-service options in a highly secure web-based environment, connect those with more complex needs to the right program or resource, improved information sharing with and across community agencies to improve the service experience and enhanced reporting capabilities.

Childcare Applications

Unique Children

Unique Parents

Active Provider (Agencies)

Active Provider Programs

Active Staff User Accounts

Our Leadership Team
Our management team offers extensive experience in the software development and corporate consulting industry. We’ve provided award-winning, highly secure software applications and cloud based solutions for a wide variety of institutions in the health care and social services sectors. Learn more about our team members below.
Darryl Buck

Darryl Buck


RBB’s president and founder, Darryl Buck, has worked with a wide variety of corporations and government entities to provide project management, analysis, technical design and consulting services.
Mario Izippon Perez

Mario Izippon Perez


For 20+ years Mario has been delivering technology solutions and services to reduce costs, increase ROI and client satisfaction. He successfully built new practices and managed teams of 150+ staff in Client Services, Delivery, PMO, Product Mgt., Support and QA holding senior positions at PWC, Microsoft and Avanade in Industries such as Health Care, Public Sector, FS and Energy.
Kathryn O'Hagan-Todd

Kathryn O'Hagan-Todd

VP Client Services

A leader with a unique combination of strategic leadership and business acumen gained through over 25 years of experience in both the public and private sectors. Previously, Kathryn worked as the Director of Children’s Services for the Niagara Region, responsible for vision, strategy and direction of over 10,000 licensed child care spaces and managing a $35 Million annual budget. Prior to that, she was the Manager for Marketing and Sales at Canadian Pacific Railway, responsible for portfolio of >$40 Million annual revenue consisting of large multi-national manufacturers with complex supply chain issues.
Randy Barbarie

Randy Barbarie

Development & Support

Randy Barbarie is a Project Manager and partner at OneHSN. He manages system analysts, programmer analysts and consultants for OneHSN’s large-scale projects. In addition, he provides system feasibility and analysis, systems consultation, design, development and post-implementation support.

Government Clients
& Communities Served

Regional Municipality of Niagara, Children’s Services

City of Niagara Falls
City of Port Colborne
City of St. Catherines
City of Thorold
City of Welland
Town of Fort Erie
Town of Grimsby
Town of Lincoln
Town of Niagara-on-the-lake
Town of Pelham
Township of Wainfleet
Township of West Lincoln

Thunder Bay District Social Services Administration Board- Children’s Services Division

City of Thunder Bay
Municipality of Greenstone
Municipality of Neebing
Municipality of Oliver Paipoonge
Town of Marathon
Township of Conmee
Township of Nipigon
Township of Manitouwadge
Township of O’Connor
Township of Red Rock
Township of Schreiber
Township of Shuniah
Township of Terrace Bay
Township of Dorion
Township of Gillies

City of Stratford, Social Services Dept. Child Care Division

City of Stratford
Town of North Perth
Town of St. Mary’s
Township of Perth East
Township of Perth South
Municipality of West Perth

City of Windsor, Housing & Children’s Services

City of Windsor
Municipality of Leamington
Town of Amherstburg
Town of Essex
Town of Kingsville
Town of Lakeshore
Town of LaSalle
Town of Tecumseh
Township of Pelee

City of St. Thomas, Children’s Services

City of St. Thomas
Municipality of Bayham
Municipality of Central Elgin
Tower of Aylmer
Municipality of Dutton/Dunwich
Municipality of West Elgin
Township of Malahide
Township of Southwold

Regional Municipality of Waterloo, Children's Services

City of Cambridge
City of Kitchener
City of Waterloo
Township of North Dumfries
Township of Wellesley
Township of Wilmot
Township of Woolwich

County of Oxford, Dept. of Social Services & Housing

City of Woodstock
Town of Ingersoll
Town of Tillsonburg
Township of Blandford–Blenheim
Township of East Zorra–Tavistock
Township of Norwich
Township of South West Oxford
Township of Zorra

City of Ottawa, Community & Social Services Department - Children’s Services Branch
City of Ottawa
Norfolk County, Health & Social Services Department

Haldimand County
Norfolk County

District of Nipissing Social Services Administration Board, Children’s Services

City of North Bay
Municipality of Temagami
Municipality of West Nipissing
Town of Mattawa
Township of Bonfield
Township of Calvin
Township of Chisholm
Township of East Ferris
Township of Mattawan
Township of Papineau -Cameron
Township of South Algonquin

City of London, Neighborhood & Children’s Services

City of London
Municipality of North Middlesex
Municipality of Southwest Middlesex
Municipality of Thames Centre
Township of Adelaide Metcalfe
Township of Lucan Biddulph
Township of Middlesex Centre
Township of Strathroy –Caradoc
Village of Newbury

County of Lambton, Children’s Services Department

City of Sarnia
Municipality of Lambton Shores
Town of Petrolia
Township of Brooke-Alvnston
Township of Dawn-Euphemia
Township of Enniskillen
Town of Plympton-Wyoming
Township of St. Clair
Township of Warwick
Village of Oil Springs
Village of Point Edward

City of Kingston, Childcare Programs, Community & Family Services

County of Frontenac
City of Kingston
Township of Central Frontenac
Township of Frontenac Islands
Township of North Frontenac
Township of South Frontenac

County of Huron, Social Services Department

Municipality of Bluewater
Municipality of Central Huron
Municipality of Huron East
Municipality of Morris-Turnberry
Municipality of South Huron
Town of Goderich
Township of Ashfield-Colborne-Wawanosh
Township of Howick
Township of North Huron

City of Hamilton, Children’s & Home Management Services
City of Hamilton
County of Grey, Children’s Services

City of Owen Sound
Town of The Blue Mountains
Town of Hanover
Municipality of Meaford
Township of Chatsworth
Township of Georgian Bluffs
Municipality of Grey Highlands
Township of Southgate
Township of West Grey

Municipality of Chatham-Kent, Community Services
Municipality of Chatham-Kent
County of Bruce, Children’s Services

Municipality of Arran Elderslie
Municipality of Brockton
Municipality of Kincardine
Municipality of Northern Bruce Peninsula
Municipality of South Bruce
Town of Saugeen Shores
Town of South Bruce Peninsula
Township of Huron–Kinloss

City of Brantford, Child Care Services

County of Brant
City of Brantford

Our Clients
Here are some of the Clients we have the privilege of serving.

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