What We Do Best

Full-Service Support For Your Money, Papers & Future.

From filing your taxes to forming your business, Castor Multiservices brings every essential service under one trusted roof — so you never have to guess who to call next.

01

Tax Preparation

Maximize your refund with expert, accurate filing — whether you're an individual, self-employed, or running a business. We find every deduction and credit you're entitled to.

  • Individual & family tax returns
  • Self-employed & 1099 filing
  • Small business tax returns
  • Prior-year & late filing
  • Maximum refund review
  • Fast, secure e-filing
Book Tax Prep →
02

Tax Audit Assistance

Got a letter from the IRS? Don't face it alone. We help you understand what's being asked, gather the right documentation, and represent your case with confidence.

  • IRS notice review & response
  • Documentation preparation
  • Audit representation support
  • Payment plan guidance
Get Audit Help →
03

Immigration Services

Reliable, honest guidance through the paperwork that matters most — from applications to renewals — so you can focus on your next chapter.

  • Visa application support
  • Green card renewals
  • Citizenship application guidance
  • Form preparation & review
Start Immigration Help →
04

Notary Services

Fast, professional notarization for the documents that keep life moving — done right, the first time.

  • Affidavits & sworn statements
  • Contracts & agreements
  • Loan & closing documents
  • Power of attorney forms
Book A Notary →
05

Life Insurance

Life insurance is more than a policy — it's peace of mind. We help you choose the right coverage so your family, home, and legacy are protected in every season of life.

  • Term & whole life policies
  • Family protection planning
  • Coverage comparison & quotes
  • Beneficiary & policy review
Get A Quote →
06

Business Formation

Ready to make it official? We help you set up your business the right way from day one — so you're protected, compliant, and ready to grow.

  • LLC & business registration
  • EIN application
  • Business tax structure guidance
  • Ongoing compliance support
Start My Business →
Not Sure Where To Start?

Let's Talk About What You Need

Call 978-728-3889