Responsive. Reliable. Strategic.
At Langdon & Company LLP, we know tax season doesn’t start in January—and tax strategy doesn’t end with a filing. Whether you’re a closely held business, nonprofit, or high-net-worth individual, our experienced tax professionals help you navigate complex rules, minimize risk, and make informed decisions all year long.
What We Offer
Our tax practice provides a comprehensive suite of services, from core compliance to proactive planning. We work closely with clients to understand their goals, operations, and concerns—and we tailor our approach accordingly.
Tax Compliance & Filing
We handle all aspects of tax reporting with accuracy, efficiency, and timeliness.
- Federal and state income tax returns
- Multi-state tax filings
- Business entity filings and elections
- Nonprofit Form 990 and 990-T preparation
- Trust, estate, and gift tax returns
- Quarterly estimated payments
- Year-end tax packages for owners and shareholders
- Amended returns and prior year catch-up filings
Tax Planning & Strategy
Tax planning is a year-round conversation. Our team proactively identifies opportunities and risks, helping you plan with confidence.
- Entity structure and reorganization planning
- Year-end and mid-year tax projections
- Transaction and exit planning
- Retirement and compensation planning
- Tax implications of grant funding, fundraising, and unrelated business income
- Planning for changes in ownership or succession
- Planning for new ventures, locations, or service lines
Advisory & Representation
We stay current with IRS and state-level trends and serve as your advocate when issues arise.
- IRS and state notice resolution
- Tax authority correspondence and audit support
- Strategic consulting for mergers, acquisitions, and dissolutions
- Support for board-level or investor tax presentations
- Tax impact analysis for major business decisions
Specialized Knowledge for Special Circumstances
Our team has deep experience supporting:
- Nonprofits navigating Form 990 disclosures, public support tests, and UBIT, restoring tax-exempt status
- Multi-state businesses with nexus, sales tax, and payroll compliance challenges
- Family-owned and closely held entities with unique planning and legacy needs
- Startups seeking early-stage structure and R&D credit opportunities
- Organizations recovering from missed filings or regulatory notices
We’ve helped clients with a variety of complicated tax situations, resolve complex IRS notices, and restructure to avoid future risk—all with a practical, approachable style.
Technology-Enabled Efficiency
We make tax season smoother through digital tools and secure workflows. Clients have access to:
- Secure portals for document sharing
- Digital e-signature for forms and filings
- Paperless workflows for faster turnaround
- Year-round visibility into pending deadlines
Our team integrates with your accounting system and coordinates with your bookkeepers or CFO to reduce back-and-forth and ensure everything is aligned.
Your Tax Team, Year-Round
Working with Langdon & Company means:
- Access to seasoned tax professionals (not seasonal temps)
- A dedicated manager or partner who knows your business
- Proactive outreach to help you avoid surprises
- Transparent billing and clear timelines
We believe tax should be a strength—not a source of stress.
Let’s Get Ahead of It
Whether you need help with a single return or a full-year strategy, we’re ready to support you.