Delaware · DE

Find CPAs & accounting professionals in Wilmington

Wilmington CPAs serve banking, corporate trust, pharma, and the Fortune 500 entity-formation economy.

Wilmington directory

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Local hiring guide

Common CPA services in Wilmington

The work Wilmington residents and small businesses most often hire a CPA to handle.

  • Annual business and individual tax preparation
  • Tax planning and quarterly estimates
  • Bookkeeping and monthly close
  • Entity selection and formation (LLC, S-corp, C-corp)
  • Payroll setup and filings
  • IRS notice response and audit representation
  • Financial statement preparation (compilation / review)

Average CPA pricing

What CPAs typically cost in Wilmington

Typical fee ranges across common engagement types. Final pricing depends on complexity, deadlines, and any cleanup work required.

Individual return

W-2 households, multi-state professionals

$300 – $900

Small business return

Holding LLCs, professional S-corps

$1,000 – $3,600

Delaware entity compliance

Out-of-state founders maintaining DE-incorporated entities

$500 – $2,500 / yr

Monthly bookkeeping + tax

Banking, pharma services, and professional firms

$700 – $2,800 / mo

Illustrative ranges only — request quotes from listed CPAs for exact pricing.

Local business requirements

What Wilmington businesses need to file and renew

State and local filings most often missed by out-of-state or newly formed businesses.

Delaware franchise tax

All Delaware-incorporated entities owe annual franchise tax — corporations minimum $175 (authorized-shares method) or higher under the assumed-par-value-capital method, LLCs flat $300.

Gross Receipts Tax

Delaware has no sales tax but levies a Gross Receipts Tax on most businesses (0.0945%–0.7468% depending on industry), filed monthly or quarterly with the Division of Revenue.

Wilmington business license

City of Wilmington requires a Mercantile License renewed annually plus city wage tax (1.25%) withheld from employees working in city limits.

Industries

Small-business industries shaping Wilmington

The local economy your Wilmington CPA should already know how to serve.

Corporate trust & entity formation

Banking & credit cards

Pharma & chemicals (DuPont legacy)

Legal services

Healthcare

Decision guide

When to hire a CPA vs. a bookkeeper

A bookkeeper records the past. A CPA shapes the future — taxes, structure, strategy.

Hire a bookkeeper when…

  • You need day-to-day transaction categorization and bank reconciliations
  • You want monthly financials but no tax filings or planning
  • Revenue is under ~$500K and your structure is simple (sole prop / single-member LLC)
  • You already have a CPA for taxes and just need clean books

Hire a CPA when…

  • You're filing business taxes (S-corp, C-corp, partnership)
  • You need tax planning, entity restructuring, or multi-state filings
  • You received an IRS or state tax notice or are facing an audit
  • You're raising capital, selling a business, or doing equity comp planning
  • Your books are a mess and you need cleanup plus a long-term advisor

Before you sign

Questions to ask any Wilmington CPA before hiring

Use this checklist on your first call. Strong CPAs welcome these questions.

  1. Are you a licensed CPA in this state? What's your license number?
  2. What industries do you specialize in, and how many clients like me do you serve?
  3. Who actually does the work — you, a staff accountant, or an offshore team?
  4. How do you bill — hourly, fixed-fee, or monthly retainer? What's typical for my size?
  5. What software do you use (QuickBooks, Xero, NetSuite), and do I get access to my files?
  6. How do you handle IRS notices or audits if they come up later?
  7. What's your response-time expectation during and outside of tax season?
  8. Can you provide references from clients in my industry?

Stay compliant

Tax deadlines and Delaware notes

Federal deadlines plus the state and local filings that catch most filers off guard.

Apr 30

Delaware individual income tax due (April 30, not April 15) — graduated to 6.6% top rate.

Mar 1

Delaware Annual Franchise Tax and annual report due for corporations — minimum $175 or assumed-par-value-capital method.

Jun 1

Delaware LLC annual franchise tax due — flat $300 per LLC.

Quarterly

Delaware Gross Receipts Tax due (no sales tax, but most businesses owe GRT at 0.0945%–0.7468% by industry).

Jan 31

W-2s and 1099-NEC due to recipients and the IRS.

Mar 15

S-corp (1120-S) and partnership (1065) returns or 6-month extension.

Apr 15

Individual (1040) and C-corp (1120) returns; Q1 estimated taxes due.

Jun 16

Q2 estimated taxes due.

Sep 15

Q3 estimates; extended S-corp and partnership returns due.

Oct 15

Extended individual and C-corp returns due.

Informational only — not tax advice. Confirm current deadlines with your CPA or the relevant authority.

Nearby

Nearby cities to Wilmington

Major metros our directory also serves.

FAQ

Frequently asked questions about CPAs in Wilmington

How much does a CPA cost in Wilmington, Delaware?

Wilmington CPAs charge $200–$425/hour, individual returns $300–$900, and small-business returns $1,000–$3,600. Many Wilmington firms specialize in Delaware-entity compliance for out-of-state founders — a fixed-fee service of $500–$2,500/yr.

Why do so many startups incorporate in Delaware?

Delaware offers a sophisticated Court of Chancery, well-developed corporate case law, and franchise tax that scales reasonably for early-stage companies. Most VC-backed startups incorporate as Delaware C-corps even when based elsewhere — Wilmington CPAs and registered agents handle the annual compliance.

Do I need to file Delaware income tax if I only formed an entity there?

Forming a Delaware entity does not by itself create Delaware income tax nexus — but you do owe annual franchise tax ($175–$300+ minimum) and annual report filings. If the entity has Delaware-source income or Delaware-based employees, an income tax return is required.

Compare your options

Hiring a verified Wilmington CPA vs. DIY

FactorVerified Wilmington CPADIY / generalist
Local tax knowledgeWilmington state + local filingsFederal only
Audit defenseRepresents you to the IRSYou handle correspondence
Year-round planning
Typical fee$200–$3,500 / engagement$0 software + your hours
Specialty matchIndustry-experiencedGeneral-purpose

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2026 CPA Pricing Guide

Real fee benchmarks for tax prep, bookkeeping, payroll, and advisory — by service and business type.

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