Clients Say

Legal Disclaimer: Every effort has been made to accurately represent our program and its potential. The testimonials and examples used are not intended to guarantee that anyone will achieve the same or similar results. These results are not an average. Each individual’s success depends on his or her background, dedication, desire and motivation. As with any business endeavor, there is an inherent risk of loss of capital and there is no guarantee that you will earn any money.

“Peter has been an integral part of the Quest Consulting and Quest Investment companies. He is an expert in accounting, tax services, financial and accounting laws. He is very personable, works well with colleagues, brings together teams with professionalism, and has the vision to see a company’s vision and guide it in the right direction. It’s a pleasure having Peter and his team as colleagues.” –Chelsea Anderson Otero, CEO, Quest Consulting and Quest Investments

“When it comes to accounting and taxes, the only name that comes to mind is Peter. He is the backbone of our progress; he is the best partner we ever had. He is always taking business personal and going the extra miles for us regardless of whether the issue is accounting, tax or any matter. Thank you Peter for being there for us. Without you, we might have a much harder business life.” – Gopal Kapuria, Operation Manager at TechnoTronix

“Peter was an outstanding QuickBooks consultant. He knows both the accounting side and the technical side of the process. Not only did he help us transition from an outdated accounting application, he also helped us transition to the more recent versions as well. I would recommend him to anyone who wants to integrate QuickBooks for their business.” – Jason Yano, Senior Project Manager at G&C Equipment Corp.

“Recently we purchased the QuickBooks accounting and inventory management program from your company. Here at Xcaper Industries we were on a very complex system previous to QuickBooks. Your help in guiding us through the process of merging our data into the QuickBooks system was superior. We are so impressed with the simplicity of the QuickBooks system; it is user friendly and easier to navigate. The financial reporting system is straightforward and readily available. Thank you for your individual help and continued support. We would highly recommend Core Performance to other business associates and friends.” – Steven Reese, Vice President at Xcaper Industries

“Core Performance created and assisted us through our initial set up of our QuickBooks Enterprise System. As a startup business, we would have been completely lost without the guidance of Core Performance. They completely assisted us in creating our work flow within our business, and we are continuing to utilize that flow today. Peter was of great influence as we began to decipher our process, and I still lean on him today for continued support. I would highly recommend Core Performance to any of my colleagues in the business, if you have current system issues, I would urge you to get with Core Performance as your solutions specialist.” – Joe Cook, CEO/Owner Alkali Hockey, LLC

“Core Performance was instrumental in assisting us in completing all of the steps necessary to achieve our non-profit status. It was a long process, but with their expertise and efficiency we acquired our 501c without a hitch. We have been working with Core Performance since 2007 and could not be happier with their knowledge and professionalism. Any questions that come up during the year, and during tax time, are always answered quickly which is greatly appreciated by our staff. We also love the use of Smart Vault – makes the tax return process so much easier and efficient! I would highly recommend Core Performance for any and all of your business/tax needs.” – Cary Lambeth, CEO at So Cal Elite Sports

“We engaged Core Performance to assist us in the conversion of our accounting software system. Core Performance guided us to the right software for our current and foreseeable circumstances; seamlessly directed the transition; and made suggestions for systems, procedures and policies beyond the scope of our engagement that have enhanced our firm’s progress. It is my pleasure to recommend Core Performance. I believe they have the experience and expertise to assist with a variety of finance and accounting needs and certainly in the capacity provided to us.” – Bill Owen, Executive Vice President at Ascendiant Capital Markets, LLC

“As the President/CEO of a nonprofit organization, I worked closely with Peter for several years to prepare the monthly financial reports. He has a thorough understanding of how nonprofits operate–not all accountants do–and understood the importance of having accurate and detailed records prepared on time. Due to his experience and knowledge, I always took his advice and sound recommendations to heart.” – Marisa Charette, President/CEO at Business Alliance of Orange County

“Peter Cullen is the best at what he offers- a comprehensive solution to managing a business thru QuickBooks. Peter is a great trainer with extensive knowledge, very personable, creative and offers excellent work at a reasonable cost. I would highly recommend him to any size company that is looking for help with their QuickBooks!!” – Debbie Biscotti, District Sales Manager at Ovation Payroll Service

“Peter Cullen is an expert, pure and simple. I collaborated with him on a mutual client and his expertise was phenomenal. His professional, client-oriented approach made our project a success. He possesses very extensive knowledge in Quickbooks and related accounting matters and he’s built a high level of trust with my company and with our clients.” – Kathi Kruse, President at Kruse Control Inc.

“Peter is a detail-oriented manager who watches the balance sheet like a hawk without losing sight of the strategic objective” – Dave Cherry, Manager at Riviera Beverages LLC

“I have known Peter for approximately 30 years, both personally and professionally. I know him to be honest, ethical and a hard worker. I recently engaged him and his firm, Core Performance, to assist me in converting our company’s accounting software system. He guided me to the right software for our current and foreseeable circumstance. The transition went without a hitch. The software has performed as advertised. Thanks Peter.” – William Owen, Executive Vice President at Ascendiant Capital Markets, LLC

“Peter is a very personable accountant, with whom we have had the pleasure to work with. He is easy to contact and willing to go the extra mile. We have always had excellent results. Recommending Peter comes easy. He’s great.” – Kathi Williams, Assistant Manager at Lutheran High School of Orange County

“From the first time we met Peter, we knew we had found our guy. Our company was interviewing several different QuickBooks Pro Advisors to help us transition our accounting software to QuickBooks. He was clearly qualified as a CPA, certified through Intuit and had plenty of experience managing the kind of project we were about to undertake. The reason though we’ve continued to look to Peter as a valuable asset (Well after the original and successful transition) is his ability to effectively communicate w/ our team and offer practical, real-world advice and expertise. Peter is the kind of resource that every manager or company should have in their network.” – Mike Corbean, General Manager at Spill Magic, Inc.

“I highly recommend Peter. He is great to work with, he is service oriented and passionate about his work.” – Dan Charnitski, An Owner/G.M., VersaClimber/VersaPulley/Heart Rate Inc

“Peter is a professional of high integrity who is dedicated to providing quality services while at the same time devoting much time to charity and helping others. He is also very approachable and easy to converse with about accounting issues.” – Thomas Gourde, Owner, Ray & Gourde, LLP

“Peter is a detail oriented person who has tremendous vision and expertise in all phases of accounting, payroll and strategic financial planning. His guidance and recomendation is something we’ll never be without.” – Ric Lerma

“I would highly recommend Peter. He is reliable, efficient and always available to help with any questions no matter how big or small.” – Peri McPherson, Accounting Manager at Heart Rate, Inc.

“Peter came up with a terrific way to help dozens of our members learn Quickbooks like a pro. He’s always willing to answer questions and has a very deep understanding of his clients needs. His knowledge of his products helps us grow. He looks at our needs and recommends solutions.” – Steven Dale, Owner, Blind Brokers Network

“Peter – and the Core Performance team, are expert in the accounting software field. Their partnership with Intuit has been a tremndous value to our company and the accouting software system with have in place. Peter hosts seminars for his clients – providing a platform for interaction with users, overviews on the latest improvements, and how to maximuize the system features.” – Thomas Nichols, President of Pretika Corporation

“I just started working with Peter, however I trust his knowledge of taxes and accounting completely. With Peter, I don’f feel like a “number”, he is personable, reliable and keeps me on track.” – Vickie Krier, Owner at Park Place Concierge

“I have had the pleasure of working with Peter on mutual clients’ needs. He is extremely organized, efficient, and professional. He operates with the highest level of integrity, and provides unparalleled service, advice, and value to business owners. I highly recommend him to anyone looking to improve their business operations.” – Brandon Konda, Principal at The Freyr Group

Complimentary Consultation

We’d love to meet you and discuss how we can help you with your tax requirements. Call us at (949) 502-4680 or email us at to set up your no-cost, no-obligation 30-minute tax consultation.