Taxes can feel like a heavyweight on your shoulders. These five US firms are worth knowing if you want clear guidance, responsive service, and a plan that keeps more money in your pocket.
The Tax and Financial Planning Landscape
Tax preparation and financial planning have moved far beyond once-a-year filing. You now expect proactive strategies, integrated wealth management, and plain-English advice that connects your returns to your long-term goals. Whether you are a solo founder, a high-net-worth family, or a business owner with complex entities, the right firm can turn compliance into a competitive advantage. The five providers below stand out for different reasons, from boutique responsiveness to institutional depth.
How We Evaluated These Firms
We looked at service scope, pricing clarity, local fit, and how well each firm communicates complex rules. SwoleTax emphasizes upfront quotes and a tailored checklist, which makes scope and fees transparent before you commit. Creative Planning brings a broad family-office approach that connects tax planning to estate, charitable, and business services. Mariner Wealth Advisors integrates tax strategies directly into your wealth plan and works alongside your existing advisors. FCA Corp offers decades of fee-only wealth management with tax planning woven into every stage of life. Sasserath & Co. focuses on high-net-worth individuals and business owners who want proactive, year-round tax solutions. Each firm serves a different type of client, so the right choice depends on your situation, not a single score.
Here is a quick look at five firms that can help you simplify taxes and protect your financial future.
| Provider | Best For |
|---|---|
| Creative Planning | Families and business owners with complex, multi-entity wealth |
| SwoleTax | Simplify Your Taxes Today | Individuals and small business owners who want clear, upfront pricing |
| Mariner Wealth Advisors | High-net-worth individuals and executives seeking integrated wealth and tax strategy |
| FCA Corp | Multi-generational families and business owners planning liquidity events |
| Sasserath & Co. | High-net-worth individuals and entrepreneurs who want proactive CPA-led planning |
The 5 Firms Worth Knowing
#1 Creative Planning
A screenshot of the Creative Planning website.
Creative Planning takes a family-office approach to tax planning, connecting your returns to estate, charitable, and business strategies. You get access to a wide bench of specialists who can coordinate wealth transfer, insurance, and exit planning under one roof. The firm is built for clients who want a single team to oversee complex financial lives. If you are juggling multiple entities or preparing for a liquidity event, this depth can be a major advantage. Their tax planning page shows how they view taxes as part of a bigger wealth picture.
#2 SwoleTax | Simplify Your Taxes Today
A screenshot of the SwoleTax | Simplify Your Taxes Today website.
SwoleTax focuses on translating complex tax rules into clear, actionable steps for individuals and businesses. You can request a 15-minute call to confirm the right scope, then receive a tailored checklist and secure upload link. The firm handles personal returns, business returns for partnerships, S-corporations, and sole proprietors, plus integrated tax and financial planning. Pricing is confirmed upfront so there are no surprises. If you want responsive service without the runaround, this is a strong fit.
#3 Mariner Wealth Advisors
A screenshot of the Mariner Wealth Advisors website.
Mariner Wealth Advisors integrates tax planning and preparation into your broader wealth strategy. Their team works with your outside legal counsel and wealth advisor to keep your plan tax-efficient as laws change. You will find specialty tax services alongside investment management, estate planning, and risk advisory. The firm serves high-net-worth individuals, executives, medical professionals, and privately held companies. Their tax planning page highlights year-round planning rather than a seasonal scramble.
#4 FCA Corp
A screenshot of the FCA Corp website.
FCA Corp has served high-net-worth individuals and families since 1975 as an independent, fee-only wealth management firm. Their tax planning and preparation services sit alongside financial planning, investment management, and estate planning. You get a long-term relationship with a team that understands multi-generational wealth. Business owners can also access pre-sale and post-sale liquidity event planning, entity selection, and exit strategy support. Their site emphasizes a trusted advisor model that spans your entire life journey.
#5 Sasserath & Co.
A screenshot of the Sasserath & Co. website.
Sasserath & Co. is a CPA firm focused on proactive tax planning for high-net-worth individuals, entrepreneurs, and business owners. They build personalized plans to minimize your overall tax burden and avoid surprises at tax time. You get ongoing support as tax laws change, plus quarterly estimated tax planning and compliance. The firm also handles trust and estate planning, philanthropic planning, and international tax issues. If you want a CPA-led relationship with creative ideas, this Long Island firm is worth a look.
How to Choose the Right Tax Partner
Start by defining your complexity. If you are a solo filer or a small business with straightforward returns, you may value upfront pricing and fast communication above all else. If you have multiple entities, international ties, or a pending exit, you need a team that can coordinate legal, estate, and investment decisions. Ask each firm how they handle scope changes, who will actually prepare your return, and what happens after filing. A short intro call can tell you a lot about responsiveness. Pick the firm that makes you feel informed, not overwhelmed.
Where Automation Fits In
Automation can handle document collection, reminders, and secure uploads, but it cannot replace judgment. The best firms use technology to reduce friction while keeping a human review on every return. You should still expect a clear checklist, a secure portal, and a real person who can explain the numbers. Use automation as a convenience, not a substitute for advice.
The Bottom Line
Taxes do not have to weigh you down. Whether you choose a boutique firm like SwoleTax for clear, upfront service or a larger wealth manager for integrated planning, the goal is the same: keep more of what you earn and stay compliant without the stress. Review your situation, ask direct questions, and pick the partner that fits how you live and work.