Hand over every complex, headache inducing tax matter to HAON’s experts. We’ll be the reliable partner by your side, so you can focus entirely on growing your business.
• When local tax review is needed during the acquisition of real estate, corporations, or other assets
• When the applicability of acquisition tax, property tax, or registration and license tax is complex
• When you want to review various local tax benefits under the Restriction of Special Local Taxation Act and check for anything you may have missed
• We review both national and local taxes together to minimize omissions.
• We provide clear assessments on the appropriateness of high-burden local taxes such as acquisition tax.
• We review niche local tax benefits under laws such as the Restriction of Special Local Taxation Act and identify any opportunities you may have missed.
• When you’re about to transfer real estate, shares, or other assets and want to know the tax implications
• When you want to confirm the expected tax amount before the transaction
• When the outcome may vary depending on deductible expenses, acquisition cost, holding period, and other factors
• We focus on reducing uncertainty by reviewing transactions in advance rather than responding after the fact
• We explain the key factors affecting capital gains tax calculations from a practical standpoint
• We organize everything clearly so you can make informed decisions before committing
Under 200 Million
KRW 200,000 KRW
200 Million KRW to under 500 Million KRW
200,000 KRW + 0.2% of the amount exceeding 200 Million KRW
500 Million KRW to under 1 Billion KRW
800,000 KRW + 0.15% of the amount exceeding 500 Million KRW
1 Billion KRW to under 2 Billion KRW
1,550,000 KRW + 0.1% of the amount exceeding 1 Billion KRW
2 Billion KRW to under 5 Billion KRW
2,550,000 KRW + 0.05% of the amount exceeding 2 Billion KRW
5 Billion KRW to under 10 Billion KRW
4,050,000 KRW + 0.04% of the amount exceeding 5 Billion KRW
10 Billion KRW to under 50 Billion KRW
6,050,000 KRW + 0.03% of the amount exceeding 10 Billion KRW
50 Billion KRW to under 100 Billion KRW
18,050,000 KRW + 0.02% of the amount exceeding 50 Billion KRW
100 Billion KRW or more
28,050,000 KRW + 0.01% of the amount exceeding 100 Billion KRW
• When you disagree with a decision by the tax office or tax authority
• When you believe the tax assessment is excessive or the facts have not been fully reflected
• When you need to consider response procedures such as filing an objection or tribunal appeal
• Former National Tax Service advisors respond directly, drawing on their hands-on experience
• We focus on evidence and factual analysis rather than emotional reactions
• We calmly guide you through which response is most realistic given your current situation
• When you want to verify whether the taxes you’ve already paid were appropriate
• When there’s a possibility of missed deductions or exemptions
• When you want to re-examine past filings to check refund eligibility
• Our tax advisors with over 2,000 approved refund claims and 31 Billion KRW in refunds secured provide accurate assessments based on extensive hands-on experience
• Review is free of charge, and we proceed with a commission-based fee proportional to the refund amount only after the refund is confirmed
• Former National Tax Service advisors manage any future risks so you can proceed without concern
• When you’re preparing to transfer assets among family members
• When you want to know the expected taxes and procedures for inheritance or gifts
• When you’re looking for the most effective tax-saving approach to wealth transfer
• We design the optimal tax-saving plan based on the scale and nature of your assets
• Former National Tax Service property investigation team advisors directly manage your risks
• We provide not only support at the point of transfer but also ongoing post-transfer management
Under 500 Million KRW
3,000,000 KRW
500 Million KRW to under 1 Billion KRW
3,000,000 KRW + 0.4% of the amount exceeding 500 Million KRW
1 Billion KRW to under 3 Billion KRW
5,000,000 KRW + 0.3% of the amount exceeding 1 Billion KRW
3 Billion KRW to under 5 Billion KRW
11,000,000 KRW + 0.2% of the amount exceeding 3 Billion KRW
5 Billion KRW to under 10 Billion KRW
20,000,000 KRW + 0.1% of the amount exceeding 5 Billion KRW
10 Billion KRW to under 50 Billion KRW
30,000,000 KRW + 0.05% of the amount exceeding 10 Billion KRW
50 Billion KRW to under 100 Billion KRW
30,000,000 KRW + 0.03% of the amount exceeding 50 Billion KRW
100 Billion KRW or more
45,000,000 KRW + 0.02% of the amount exceeding 100 Billion KRW
• When you’ve received a tax audit notice or want to prepare for the possibility of an audit
• When you want to review your current tax handling status in advance
• When you want to check for risks in your filings, supporting documents, or expense handling
• Former National Tax Service advisors respond directly, drawing on their hands-on experience
• We look beyond post-issue response to proactively reduce risk before problems arise
• We clearly outline what needs to be prepared during the audit response process
• When you need accounting and tax handling tailored to the operations of a non-profit corporation or organization
• When you need separate accounting for primary purpose activities and profit-generating activities
• When you need support for public-interest corporation closing disclosures, donated asset reporting, donation organization review reports, and annual donation fundraising and utilization statement submissions
• We understand the unique nature of non-profit organizations and apply standards that differ from those of for-profit corporations
• We focus on closing the gap between your operational purpose and the actual accounting and tax handling
• We provide clear separation between profit-generating and primary purpose activities, along with the corresponding separate accounting
• When you need stable tax handling tailored to agriculture, fishery, or livestock businesses
• When you want an advisor with deep understanding of these specialized industries
• When you’re looking for tax-saving strategies for special entities such as agricultural cooperatives or agricultural corporations
• Tax advisors with extensive experience in agriculture, fishery, and livestock handle your case directly
• Our specialists manage every detail with hands-on understanding of how these businesses actually operate in the field
• We focus on reducing errors that can arise when tax handling fails to account for the unique nature of these industries
• Rather than offering simple theoretical explanations, we work with you to define the right direction based on your actual corporate operations
• Big 4 CPAs advise alongside our team, providing reviews with unmatched expertise
• We deliver tailored long-term tax-saving plans that go beyond corporate tax savings to cover M&A, IPO, gifts, and business succession
• Rather than offering simple theoretical explanations, we work with you to define the right direction based on your actual corporate operations
• Big 4 CPAs advise alongside our team, providing reviews with unmatched expertise
• We deliver tailored long-term tax-saving plans that go beyond corporate tax savings to cover M&A, IPO, gifts, and business succession
• Sole proprietors and corporations experiencing revenue growth and increasingly complex tax handling
• When you want stable, ongoing management of recurring tax work such as VAT, withholding tax, and year-end closing
• Executives who want to run operations systematically without missing tax deadlines or documentation
• Beyond simple filing services, we provide practical guidance aligned with the flow of your business
• We explain your current situation and key points to watch in language that’s easy to understand
• We reliably manage recurring tax work while also checking points that are easy to overlook
From 55,000 KRW / month
Double-entry bookkeeping
VAT filing
(For tax-exempt businesses: Business status report)
National tax certificate issuance on your behalf
Tax schedule notification service
(Corporate) Bank account transaction management
Communication method: Chat only
From 110,000 KRW / month
Includes everything in Light, plus:
Communication method: Chat & phone
Free 5-year tax refund claim assessment
Withholding tax and local income tax filing
Simplified payment statement submission
Payment statement submission
Employee year-end tax settlement
Basic four major insurances administration
Tax credit review under the Restriction of Special Taxation Act
Startup subsidy guidance
Referral to legal, labor, and appraisal specialists
1:1 tax advisor consultation upon contract
From 330,000 KRW / month
Includes everything in Standard, plus:
Referral to attorneys and patent attorneys
Closing reports (monthly, quarterly, semi-annually)
Delivery of closing reports
On-site visits by tax advisor
Property tax consultation discount (10%+)
Current Head CTA, HAON Cheonan Branch
Former Managing CTA, Wonwon Tax & Accounting
Former Consulting Team Lead, Cheonan Branch, Wonwon Tax Firm
Former Steel Industry Team Lead, Cheonan Branch, Wonwon Tax Firm
Tax Audit Response Specialist (Over 15 Billion KRW in Tax Savings)
Current Head of Division CTA, HAON Head Office
Former Bookkeeping Team Lead, Cheongsol Tax Firm
Former Bookkeeping Team, Hyeum Tax Firm Head Office
Former Tax Advisor Training Committee Member, Hyeum Tax Firm
Former Consulting Team, Hyeum Tax Firm Head Office (Tax Refund Claims, Capital Gains, Inheritance, Gift)
Approx. 1,700 Approved Tax Refund Claims, Approx. 7 Billion KRW in Refunds Secured
Current Head CTA, HAON Pangyo Branch
Graduate, Department of Taxation, University of Seoul
Former National Tax Service Official (Income Tax Division, Property Tax Division, etc.)
Former Property Investigation Team Lead, Bundang Tax Office (Inheritance, Gift, Capital Gains, Source-of-Funds Audits)
Specialist in Asset Reporting & Audit Response (Inheritance, Gift, Capital Gains)
Current Head CPA, HAON Head Office
Former Domestic Tax Division, Samil PwC
Former International Tax Division, Samjong KPMG
Graduate, Global Business Administration, Sungkyunkwan University
Tax Advisory for Large Corporations, Ventures, Startups, and SMEs
Tax Advisory for Foreign-Invested Companies and Non-Resident Inbound Cases
Tax Audit Response (Regular, Irregular, Seizure, and Deposit Audits)
Tax Refund Claims (Over 20 Billion KRW in Refunds Secured)
Current Head CTA, HAON Head Office & Seoul West Branch
Current Evaluator Candidate, Startup Support Program Review Committee, Korea Institute of Startup & Entrepreneurship Development
Former Managing Tax Advisor, Gasan Branch, Cheongsol Tax Firm
Former Team Lead, Non-Profit Dedicated Team, HAON Tax & Accounting
Former Consulting Team, Hyeum Tax Firm Head Office
Former National Researcher, Hyeum Tax Firm Head Office (AI-based Tax Refund Claim Automation Development, Tax Advisory, Planning)
Former Tax Team Lead & Livestock Team, Daehyun Tax Firm Head Office
Top Contributor, Tax & Accounting, AHA Platform
700+ Approved Tax Refund Claims, Approx. 4 Billion KRW in Refunds Secured
Current Head CTA, HAON Head Office
Current Secretary, Young Tax Advisors Committee, Seoul Regional Tax Advisors Association
Current Member, Media & PR Committee, Korean Association of Certified Public Tax Accountants
Current Advisory Tax Advisor, Startup Promotion Division, Seoul National University of Science and Technology
Current Instructor (Government Subsidies), HAON Biz School
Former Team Lead, Tax Division, Saesidae Accounting Firm
Former Researcher, Asset Tax Savings Institute, Saesidae Accounting Firm
Specialist in Capital Gains, Inheritance, Gift, and Business Succession Tax
Approx. 5 Billion KRW in Approved Tax Reductions