Business Details
14 Years
experience
Trusted Tax & Business Law Services in Denver
Established in 2012, Hampton Lanphier is a boutique law firm based in Denver, Colorado, offering sophisticated tax and legal counsel to businesses and individuals. Our team combines attorneys, CPAs, Enrolled Agents, and tax law specialists to deliver comprehensive solutions for domestic and international clients. We prioritize personalized service, leveraging technology to support clients globally while maintaining the attention to detail of a small firm. Our expertise spans business formation, tax controversy representation, international tax compliance, and strategic planning. We distinguish ourselves through dual legal and accounting capabilities, with close collaboration between our law practice and Lanphier LLP, a full-service CPA firm.Clients benefit from our proactive approach to navigating complex tax laws, resolving IRS disputes, and structuring cross-border transactions. Our founders, Dennis M. Lanphier and Brittany S. Lanphier, bring decades of combined experience in tax law and accounting, ensuring technically sound and ethically driven advice. We serve clients across Colorado's Front Range and internationally, focusing on building long-term relationships grounded in trust and transparency. Our mission is to provide accessible, high-caliber legal and tax services that empower clients to achieve their business and personal financial goals.
Services
Business Formation
Tax Consulting
International Tax Compliance
IRS Audit Representation
Entity Conversion
Contract Drafting
Expat Tax Services
Cryptocurrency Taxation
Business Dissolution
Franchise Agreements
Details
- Year established: 2012
Highlights and features
- We offer specialized tax and legal expertise with dual-certified professionals (attorneys and CPAs).
- Our firm provides personalized service with global reach through advanced technology.
- We combine business law and tax planning to address complex cross-border compliance needs.
- Our team has resolved over 100 IRS tax controversies since 2012.
- We maintain ethical standards with transparent communication and tailored solutions.
What people say
Quality care and advice
Honest and ethical team
Expertise and diligence
Peace of mind
Round-the-clock support
Services
Tax Consulting
Our tax consulting services provide strategic guidance for businesses and individuals on compliance, deductions, and international tax matters. We help clients minimize liabilities while ensuring adherence to evolving regulations. Our team combines legal and accounting expertise to deliver customized solutions for domestic and cross-border transactions.
IRS Audit Representation
We represent clients in IRS audits, appeals, and tax court proceedings. Our approach focuses on resolving controversies efficiently while protecting client interests. With deep knowledge of IRS procedures, we negotiate offers in compromise and address unfiled returns or foreign asset reporting issues.
Business Formation
We assist entrepreneurs in establishing LLCs, corporations, and other business structures. Our services include entity selection, foreign qualification, and contract drafting. We ensure legal and tax compliance from formation through dissolution, tailored to each client's operational needs.
International Tax Compliance
Our international tax services address FATCA compliance, expat taxation, and cross-border business expansion. We help clients navigate complex reporting requirements for offshore accounts, dual-status taxpayers, and cryptocurrency transactions while mitigating penalties for non-compliance.
Expat Tax Services
We specialize in tax planning and compliance for US citizens living abroad. Services include foreign income reporting, FBAR filings, and structuring solutions for dual-status taxpayers. Our remote capabilities ensure seamless support for expatriates worldwide.
People
Dennis M. Lanphier
Managing Partner
Attorney and CPA with LL.M. in Taxation. Specializes in tax law, business formation, and international compliance. Over 15 years of experience in resolving IRS disputes and cross-border tax issues.
Brittany S. Lanphier
Tax & Business Consultant
Certified Public Accountant with expertise in business tax planning and compliance. Focuses on small business advisory services and international tax reporting. Key contributor to firm's accounting and legal integration strategy.
Questions
What tax services do you offer for international businesses?
We provide cross-border tax planning, FATCA compliance, entity structuring, and foreign asset reporting for businesses operating globally.
Can you help with IRS audit representation?
Yes, we offer full audit defense services including appeals, tax court petitions, and negotiated settlements to resolve disputes efficiently.
Do you work with expatriates living overseas?
Yes, we specialize in expat tax compliance, FBAR filings, and structuring solutions for US citizens living abroad.
What business formation services do you provide?
We assist with LLCs, corporations, foreign qualifications, and contract drafting to establish and maintain compliant business structures.
How do you handle cryptocurrency tax issues?
We provide compliance strategies and reporting solutions for cryptocurrency transactions under current IRS guidelines.
