Streamline small business tax filings with seamless accounting integrations.
Small business owners struggle with outdated, clunky government portals for filing taxes and permits that lack seamless integration with modern SaaS tools.
TaxHarbor connects directly to QuickBooks and Xero to auto-populate federal and state tax forms, eliminating manual data entry from clunky government portals. Users get guided wizards for IRS and state filings with real-time error checks. It generates ready-to-submit PDFs and tracks submission status.
Small business owners handling their own tax and permit filings
Deep integrations with popular accounting SaaS, auto-filling 90% of forms to save 10+ hours per filing season.
supportive
Connect QuickBooks/Xero to auto-pull income/expense data.
Step-by-step guided forms for 1040 Schedule C, state taxes.
Real-time validation against IRS rules.
Export IRS-ready PDFs for submission.
Track submission status and deadlines.
Secure upload and organize receipts/docs.
Automated deadline notifications.
Handle filings across multiple states.
Share access with accountants.
Suggest max deductions based on data.
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| text | No | |
| created_at | timestamp | No |
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| user_id | uuid | No |
| name | text | No |
| ein | text | No |
Relationships:
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| business_id | uuid | No |
| tax_year | int | No |
| status | text | No |
| pdf_url | text | Yes |
Relationships:
| Column | Type | Nullable |
|---|---|---|
| id | uuid | No |
| business_id | uuid | No |
| provider | text | No |
| access_token | text | No |
Relationships:
/api/filingsList user's tax filings
/api/filingsCreate new filing
/api/integrationsConnect accounting tool
/api/generate-pdfGenerate PDF for filing
No integrations
1 business
| Month | Users | Conversion | MRR | ARR |
|---|---|---|---|---|
| Month 1 | 150 | 3% | $112 | $1,344 |
| Month 6 | 1,200 | 6% | $1,800 | $21,600 |
Ditch clunky gov portalsβintegrate your accounting and auto-fill forms effortlessly.
Post in r/smallbusiness and r/tax with a free beta invite link, targeting solopreneurs complaining about IRS portals. DM 20 QuickBooks users from Twitter searches for 'QuickBooks tax filing pain'. Offer free Pro access for testimonials in exchange for early feedback.
Brand trust
No auto-integrations, manual entry
Seamless SaaS sync at 1/5 price
Cheap forms
Clunky UI, no reminders
Modern integrations and tracking
Proprietary form templates and integration data mappings that improve with usage.
Rising remote work and SaaS adoption make accounting integrations timely; gov portals digitizing but fragmented.
Tax form accuracy liability
Disclaimer: not tax advice; user reviews data
Accounting API changes
Monitor APIs, multiple providers
Seasonal usage
Expand to quarterly estimates
Success: 70% express interest
Success: 80% complete a filing
Success: 500 signups
Other validated startup ideas you might find interesting
AI-powered feedback prioritization for solo SaaS founders
Customer-voted roadmaps that solo founders can launch in minutes
Automate feedback loops into tasks for solo SaaS builders
Automate real estate agent outreach so solo proptech founders can focus on building.
Centralize proptech operations to eliminate solo founder burnout.
AI no-code builder for proptech MVPs β dev time slashed 80%.