James Sim

James Sim

Mortgage Broker
  •   5   (195 reviews)

About James

Wiz Lending is a premier strategic finance firm led by James Sim, our senior broker and director. We help you bridge the gap between smart tax strategy and bank lending rules. James is a former accountant with 20 years of experience who now brings his financial expertise to mortgage brokering. Having spent two decades navigating complex numbers and tax structures, he looks at your finances from every angle to uncover options and solutions other brokers often overlook. He knows that no two situations are alike, using his deep background, commitment, and problem-solving skills to guide you through a range of mortgage choices and pinpoint the exact loan that fits your goals. James has access to more than 40 lenders across Australia. He can also guide you through all the required paperwork, including the First Home Owner Grant application if you're eligible. James is a property investor himself, so he understands the journey first‑hand. He's happy to share his insights and experience to help you buy your first home or grow your investment portfolio. We use advanced automation to handle the boring paperwork—removing stress, cutting bank delays, and letting us focus fully on building the right plan for you. We don't believe in cold, corporate transactions. Our business is grounded in excellence, honesty, and a strong desire to give back to our community. We treat every client like family and genuinely care about your journey. Whether you're managing a large portfolio or buying your very first home, we replace financial stress with long‑term peace of mind. At Wiz Lending, James personally oversees every application to make sure it moves smoothly from start to finish. We protect your family's financial future with careful planning, structural precision, and a true servant heart. Let us help you confidently build your wealth today.

James' reviews

  5  
James has 195 reviewsacross 50 different locations, showing 6.
James' qualities as told by our client reviews: dedicated, reliable, well-prepared, supportive, clear communication, responsive, local expert.
Was this helpful?
Refinanced Loan review
Seamless experience
about 21 hours ago
Seamless experience

James and his team work fast and efficient and kept us up to date every step of the way Nothing was ever an issue, emails responded to promptly and made to whole experience stress free Can’t recommend highly enough and will definitely use again in the future

New Purchase review
Excellent service as always!
24 days ago
Excellent service as always!

James and Stella both are great. James is easy to communicate and very knowledegable. Always checks in and keeps us informed. Thanks for everything.

New Purchase review
Knowledgeable Lender
about 1 month ago
Knowledgeable Lender

James and the team were amazing from the get go! Quickly understanding my needs, and took the time to explain various product's pros and cons. James went above and beyond, provided invaluable advice that other lenders typically don't. Given his accounting background, he's able to help navigate and assist with uncertainties. Won't be going to anyone else!

Refinanced Loan review
Wonderful job!
about 1 month ago
Wonderful job!

It was the second time I used their services. This time was foe refinance. James and his team did a great job in finding the best deal for me and continuously offered constructive advices. It was a very satisfactory outcome. Thank you!

New Purchase review
Consistently superb service and professionalism
2 months ago
Consistently superb service and professionalism

This is not the first (nor will be our last) assistance from James in securing a mortgage. He is a top-notch broker who walks with you every step of the way in this arduous process. He will call to ensure every thing is clear, give you gentle reminders if you forget something, and always make you feel assured that things are going to plan. I would not recommend any other broker except for James and his team to take care of you.

Show all 195 reviews
map
James Sim
Contact James Sim
What information would you like?
EmailSMS
© 2026 RateMyAgent