Professional bookkeeping
builds intelligent businesses.

We know that running your business is your first priority.




Located in Ottawa, SOPA Bookkeeping provides basic and full-charge bookkeeping services to clients in the Ottawa region. Our goal is to provide you with accurate and compliant bookkeeping that will keep you informed about the past and present financial position of your business. Our services include: accounts receivable, accounts payable, general ledger entries, monthly bank and credit card reconciliation, QuickBooks and Simply Accounting, payroll processing, payroll deductions remittances, preparation of T4 slips, HST returns and remittances, and WSIB / EHT returns and remittances.


Pat is a very reliable and organized bookkeeper. We have a very different business and accounting system and Pat adapted very quickly to the system and has been a very valuable member of our team.

Brent MacGillis

President and CEO of Cyan Solutions Inc.

Patrick de Sousa saved me and my books from a really horrible bookkeeper several years back. He is thorough, reliable and a real pleasure to work with. I highly, highly recommend him!

Kara Cashion

Owner of Home Sweet Home

Patrick de Sousa is a professional in every aspect of the bookkeeping services he offers to his customers. He is an expert in his field. The work he produces is excellent and reasonably priced. It is always a pleasure to work with Patrick. As a business owner, knowing that Patrick takes care of my books is one less worry to think about.

Ginette Richard

President and CEO of Solas Solutions Inc.

Patrick de Sousa from SOPA Consulting Inc. has been working for me since I've been in business. I continue to find his services to be honest, reasonable and very patient. I highly recommend SOPA Consulting to anyone in need of a good book keeper.

Kathleen Flinter

Owner of Main Haircutters

We are a small not for profit charity operating in Canada. With government scrutiny of groups as ours becoming more intense, I am assured of our finances being up to par as Patrick is vigilant and keeps us apprised of all developments in our account. We recommend SOPA Consulting without any reservation.

Rev. Ron Grossman

Executive Director for Israel's Hope Ministries of Canada

As a customer since 2008 with SOPA Consulting Inc., I have received excellent and professional service. Patrick is reliable and always prompt in responding to my inquiries.

Elaine Bissonnette

Behaviour Consultant with Building Blocks

I have worked with SOPA Consulting Inc. on several occasions and have been extremely pleased with the quality of work and response times. I have recommended their services to clients and will continue to do so.

Christine Prins

C.A., TEP, Partner at Parker Prins Lebano Chartered Accountants Professional Corporation

Pat has been an invaluable 'virtual' member of the onConference administration and finance team for almost 5 years. In addition to bookkeeping Pat has taken on challenging tasks that include: the ongoing review of our proprietary financial systems, researching international taxation requirements and managing all Canadian taxation & financial transactions. He is trustworthy, reliable and professional.

Jerry Everett

President at OnConference Inc.

I have had the pleasure of working with Patrick for the last year. He has provided excellent value to my business by streamlining some of our book keeping practices and allowing me to focus on other areas that needed attention. Plus, his focus on customer care is unbeatable.

I would not hesitate to recommend Pat/SOPA Consulting to other SMEs in need of a competent, professional bookkeeping service.

Chris Pierre

President at The Keynorth Group