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Commerce · alternatives · 2026

24 alternatives to MainStreet

Founders: You're owed $50K. Get it back in 20 minutes 🤝

MainStreet helps founders recover tax refunds owed by the IRS. The service handles paperwork that typically requires 40 hours of work in 20 minutes, at no cost to qualify. It targets startup founders seeking to reclaim… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. MainStreet launched in 2020; newer entries below may have overtaken it.

  1. 1
    Claimerâ–˛96

    Hassle-free R&D tax credits for UK startups

    2021 · claimer.com · its alternatives →

  2. 2
    Fondoâ–˛282

    Automatically get $ back from the IRS— avg startup gets $21k

    2022 · fondo.com · its alternatives →

  3. 3
    neo.tax 2.0â–˛198

    10 minutes could save your startup 10% or more on payroll

    2021 · neo.tax · its alternatives →

  4. 4

    Extend your US startup's IRS tax deadline by 6 months

    2023 · inkle.ai · its alternatives →

  5. 5
    TaxGPTâ–˛214

    Your AI tax assistant, file your taxes for only $50

    2024 · taxgpt.com · its alternatives →

  6. 6
    neo.taxâ–˛161

    automated R&D tax credits for startups = extra month of burn

    2020 · neo.tax · its alternatives →

  7. 7

    Your startup taxes on autopilot

    2024 · fondo.com · its alternatives →

  8. 8

    Extend taxes & gain up to $250K in startup tax credits

    2020 · mainstreet.com · its alternatives →

  9. 9
    Serviceâ–˛268

    Get paid anytime your flight is delayed.

    2017 · airhelp.com · its alternatives →

  10. 10

    Put your state compliance on autopilot

    2023 · abstractops.com · its alternatives →

  11. 11

    Apply, get approved, and get a $50k startup loan in one day

    2023 · its alternatives →

  12. 12

    Launch your U.S. company in days, not weeks.

    Feb 2026 · starteaseai.com · its alternatives →

  13. 13
    MainStreetâ–˛155

    $10,000 to leave the Bay Area

    2019 · mainstreet.com · its alternatives →

  14. 14
    GetDynastyâ–˛109

    Exit tax-free using Trusts. For startup founders.

    May 2026 · getdynasty.com · its alternatives →

  15. 15

    Extend your startup’s corporate tax deadline (7/15) to 10/15

    2020 · fondo.com · its alternatives →

  16. 16
    TaxZapâ–˛81

    File your UK Self Assessment in 15 minutes with AI

    Apr 2026 · taxzap.com · its alternatives →

  17. 17
    employkidsâ–˛112

    The IRS lets you hire and pay your kids for real work. That earned income can go into a Roth IRA and grow tax-free. $4k/year from age 10-18 becomes over $1M by retirement. The catch? Paperwork. Agreements, work logs, payment records. Most parents never bother because it's annoying. employkids makes it easy.

    Jan 2026 · employkids.com · its alternatives →

  18. 18
    VendorTermâ–˛8

    Invoices >Net 30? Get paid now.

    2019 · forsale.godaddy.com · its alternatives →

  19. 19
    Credoteâ–˛30

    We built Credote to give freelancers and small businesses a way to report unpaid invoices, publicly. When you upload an unpaid invoice, it hits the client’s public credit file instantly and lowers their score. They have 30 days to pay and remove the listing. If they don’t, it stays visible forever (even if they pay later). Anyone can look up a business by name, domain, or email, for free Works globally (a designer in Brazil can report a US startup) No lawyers, no collection agencies, just fast accountability We’ve already seen late-paying clients settle within hours after a listing goes…

    2025 · credote.com · its alternatives →

  20. 20

    They said you're done. Here's the rest of the story.

    2025 · 3dayplan.com · its alternatives →

  21. 21FR

    Hey HN! We're launching Founderpath today to help saas founders raise cash without diluting their company Instead of a merchant cash advance needing to be paid back within 6-12 months, our standard deal is 15% interest, 4 year payback, $200k check We get no equity, no warrants, no weird covenants, and don't require personal guarantees This cash is way cheaper than if you were to raise from a VC (normally diluting your equity pool by 20%+ and losing a lot of control via a board seat and veto powers) We're around all day today showing demos & answering questions over at…

    2020 · its alternatives →

  22. 22
    Morsebridgeâ–˛7

    Prepare your startup financials in 5 minutes

    Oct 2025 · morsebridge.com · its alternatives →

  23. 23

    I built Duebase AI to solve a problem I kept running into in fintech - analyzing UK company financial health takes forever. The process usually goes: download PDFs from Companies House → manually extract data to spreadsheets → calculate ratios → interpret trends. Takes 3-4 hours per company and requires serious financial expertise. The technical challenge: Companies House filings are messy. Inconsistent formats, complex accounting structures, missing data, and you need to understand UK accounting standards to make sense of it all. My approach: Parse 15M+ UK company records from Companies…

    2025 · duebase.com · its alternatives →

  24. 24

    UK businesses receive their VAT refunds within 60 mins

    2023 · adsum-works.com · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →