Lanphier LLP

Sophisticated solutions for businesses & families in the heart of Denver

Certified public accountant in Denver, CO (show on map)

4.4

★★★★☆

37 reviews

Full-service CPA firm with big firm expertise and small firm relationships, specializing in international tax and advisory services.

Call (720) 961-0310

Navigate to Visit website

About

Established in 2009, Lanphier LLP is a full-service CPA firm located in Denver, CO. Our clients leverage big firm expertise with small firm relationships, combining technical proficiency and varied experience to provide sophisticated solutions while maintaining personal attention.

We specialize in tax advisory services for small businesses and individuals, offering strategic tax planning, forensic accounting, and international tax compliance. Our goal is to empower clients with confidence and expertise in navigating complex tax landscapes.

Big firm expertise with small firm relationships

Signature small business advisory services

Global reach with local Denver roots

Specialization in international tax and IRS controversy

Preferred referral partner for large firms

Services

Tax Preparation

Comprehensive tax preparation services for businesses and individuals, including businesses, individual taxpayers, trusts/estates, IRS audits, appeals, tax court petitions, payroll taxes, foreign asset reporting, and Colorado Dept of Labor audits.

Business tax preparation Individual tax preparation Trust and estate tax preparation IRS audit representation IRS appeal representation Tax court petition representation Payroll tax compliance Foreign asset reporting (FBAR, FATCA) Colorado Dept of Labor audit representation

Outsourced Bookkeeping

Professional bookkeeping services for small businesses, including full-service bookkeeping, bookkeeping reviews, QuickBooks training, financial statement preparation, forensic accounting, Form 1099 preparation, and international bookkeeping.

Full-service bookkeeping Bookkeeping reviews QuickBooks training Financial statement preparation Forensic accounting & expert witness Form 1099 preparation International bookkeeping

International Tax Services

Specialized international tax and accounting services for businesses and individuals with cross-border activities, including outbound international tax, inbound international tax, expat taxation, new US residents, foreign investment in the US, dual status taxpayers, foreign trusts, foreign asset reporting, FATCA compliance, IRS controversy, and international bookkeeping.

Outbound international tax Inbound international tax Expat taxation New US resident tax planning Foreign investment in the US Dual status taxpayer planning Foreign trust taxation Foreign asset reporting (FBAR, FATCA) IRS controversy resolution International bookkeeping

Small Business Advisory Services

Strategic tax advisory and planning services tailored to small businesses, focusing on maximizing tax efficiency, mitigating risk, and providing personalized attention.

Holistic tax advisory Risk mitigation strategies Personalized client attention Year-round support

Legal Services

Legal services provided through Dennis M. Lanphier, P.C., offering legal and accounting under one roof.

Comprehensive legal advice Integrated legal and accounting services Specialized legal expertise

Credentials & Certifications

CPA (License No: CO 27663)

Since 2009

CPA (License No: CO 35006)

Since 2009

Enrolled Agent (EA)

Since 2015

LL.M. in Taxation

Since 2012

Juris Doctor (JD)

Since 2008

Reviews

Rating

4.4

★★★★☆

Reviews

"Very up-to-date and responsive tax firm, even for individual clients."

Frequently Asked Questions

What sets Lanphier LLP apart from other CPA firms? +

Lanphier LLP combines big firm expertise with small firm relationships, offering sophisticated solutions for businesses and families while providing personalized attention and a global reach.

How does Lanphier LLP support small businesses? +

Lanphier LLP provides signature small business advisory services, holistic year-round support, and strategic tax planning to help small businesses achieve maximum tax efficiency and mitigate risk.

What international tax services does Lanphier LLP offer? +

Lanphier LLP offers specialized international tax and accounting services, including outbound and inbound international tax, expat taxation, new US resident planning, foreign investment in the US, dual status taxpayers, foreign trusts, foreign asset reporting (FBAR, FATCA), IRS controversy resolution, and international bookkeeping.

Can Lanphier LLP represent clients in IRS audits? +

Yes, Lanphier LLP provides IRS audit representation, including representation in IRS audits, appeals, tax court petitions, and payroll tax and trust fund recovery matters.

What is the firm's approach to client communication? +

Lanphier LLP emphasizes responsive and personalized communication, ensuring clients receive timely updates and support throughout the year.

How does Lanphier LLP handle foreign asset reporting? +

Lanphier LLP assists with foreign asset reporting requirements, including FBAR and FATCA compliance, ensuring clients meet US reporting obligations for foreign financial assets.

Contact Lanphier LLP

Lanphier LLP

Address

2000 South Colorado Boulevard Tower 1 Suite, #10800, Denver, CO 80222

Phone

(720) 961-0310

[email protected]

Website

cpafirmco.com

Opening Hours

Sunday

Closed

Monday

Closed

Tuesday

9 am–5 pm

Wednesday

9 am–5 pm

Thursday

9 am–5 pm

Friday

Closed

Saturday

Closed

Location

Location of Lanphier LLP, 2000 South Colorado Boulevard Tower 1 Suite, #10800, Denver, CO 80222 · View on Google Maps

Screenshot Gallery

https://www.cpafirmco.com/

https://www.cpafirmco.com/about-us/aboutus/

https://www.cpafirmco.com/about-us/our-firm/

https://www.cpafirmco.com/about-us/our-team/

https://www.cpafirmco.com/about-us/our-team/brittanylan…

https://www.cpafirmco.com/book-a-consultation/

https://www.cpafirmco.com/denver-broncos-small-business…

http://www.cpafirmco.com/international/

Get in Touch

Ready to work with Lanphier LLP?

Reach out today to schedule a consultation.

(720) 961-0310

Related Businesses

Listing issue? Report this listing →

Prioritize this listing: Featured Listing →