Isler Northwest LLC

Isler Northwest LLC Isler Northwest LLC is a locally-owned firm of certified public accountants and business advisers located in the heart of Portland, Oregon.

Isler Northwest LLC is a locally-owned firm of certified public accountants and business advisors. Isler Northwest began in 1961 as the individual practice of Robert Isler & Co., and has since enjoyed a steadily growing presence throughout Oregon and the region. Through strategic alliances we reach out to serve clients in neighboring states, as well as clients in Europe, Asia, Latin America, and f

rom virtually one end of the globe to the other. Our local, regional, and global resources, our expertise, and our emphasis on innovative solutions and continuity create value for our clients. Our service goal is to earn our clients’ trust in us as their primary business and financial advisors. We bring our clients and employees the best of two worlds. We are small enough to cultivate and encourage close, personal, long-term relationships but large enough to offer the depth of experience and expertise required to earn your trust and help you meet your goals - whatever your needs, whatever your business, wherever in the world you may be. Teamwork is at the heart of our organization, both internally and externally. This creates an environment where our clients and our professionals have ready access to decision makers, can be assured of meaningful and reliable support, and can develop consistent and loyal partnerships. The firm was also named one of the Best Companies to Work For by Oregon Business Magazine. Specialties: Assurance services, Tax planning & compliance, Employee benefit plan audits, Risk management services, Litigation support, Expatriate tax services, Estate & retirement planning, Succession planning, Theft & Fraud Detection

⚠️ Paid IRS penalties or interest during the COVID years? You may be eligible for a refund.A recent court ruling could i...
05/26/2026

⚠️ Paid IRS penalties or interest during the COVID years? You may be eligible for a refund.

A recent court ruling could impact certain late filing/payment penalties from 2020–2023 — but important deadlines may be approaching. ⏳

Now may be the time to review your situation before refund rights expire. Read more here: https://www.islernw.com/a-surprise-refund-opportunity-covid-era-penalty-refunds/

🤖 AI Isn’t Replacing Your Business But It Is Changing How You ScaleAI isn’t about cutting jobs...it’s about improving ef...
05/12/2026

🤖 AI Isn’t Replacing Your Business But It Is Changing How You Scale

AI isn’t about cutting jobs...it’s about improving efficiency, reducing costs, and helping your team do more without adding overhead. The real advantage? Scaling smarter, not bigger.

Read more here: https://www.islernw.com/ai-changing-the-way-you-scale-your-business/

🎓 College Acceptance Is Just the BeginningGetting in is exciting—but now comes the bigger decision: how to pay for it. F...
05/07/2026

🎓 College Acceptance Is Just the Beginning

Getting in is exciting—but now comes the bigger decision: how to pay for it. From comparing true costs to planning smarter funding strategies, the choices you make now can impact your finances for years to come.

Read more here: https://www.islernw.com/how-to-pay-for-college-without-regret/

📅 May Tax Deadlines Are Coming UpStay on top of key filing and reporting dates this month to avoid penalties. Deadlines ...
05/05/2026

📅 May Tax Deadlines Are Coming Up

Stay on top of key filing and reporting dates this month to avoid penalties. Deadlines may vary based on weekends, holidays, or special circumstances.

🔗 Read more: https://www.islernw.com/important-may-2026-due-dates/

Address

1300 SW 5th Avenue, Ste 2900
Portland, OR
97201

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Telephone

+15032245321

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