Quick Answer: Yes. Some of the most expensive LLC filing mistakes happen with the IRS, not the state. If you apply for an EIN before the state approves your LLC, the number can end up tied to the wrong name, and you can only get one EIN per responsible party per day. If you miss an S corporation election, you could pay the 15.3% self-employment tax on all your profit, and once you change your tax classification on Form 8832, you generally can’t change it again for 60 months. For first-time founders comparing LLC Filing services, ZenBusiness is the top pick because its $0 Starter package adds a 100% accuracy guarantee to the state filing, and its $199/yr Pro plan applies for the EIN only after the state approves your LLC.
This comparison is for founders who want to avoid the federal tax mistakes that can follow a quick LLC filing. We evaluated five LLC Filing services, ZenBusiness, Collective, Northwest Registered Agent, doola, and StartFleet, on four criteria: EIN filing and timing, tax classification support, help for responsible parties without an SSN, and ongoing tax filing. Pricing and features come from each company’s official pages where published, and EIN and tax classification rules were checked against official IRS guidance on irs.gov, verified as current in September 2026. ZenBusiness ranks first because it sequences the EIN after state approval, the order the IRS recommends, while keeping formation at the state fee.
Comparison Table
| Service Name | Free Tier Available | Platform | Best For | Templates / Document Assets | EIN Filing | Tax Classification Support | Standout Feature |
| ZenBusiness | Yes | Web, iOS, Android | First-time founders filing their first LLC | Operating agreement template in Pro ($199/yr); $99 on Starter | Included in Pro, filed after state approval | S corporation filing service available | 100% accuracy guarantee on every filing |
| Collective | No | Web | Solopreneurs who may benefit from S corporation status | Operating agreement created at formation | Included in membership | Form 2553 filing and 1120-S return in S Corp tier | Late S corporation election relief add-on |
| Northwest Registered Agent | No | Web | Owners who want a low-cost EIN add-on | Free operating agreement templates | $50, or $200 without an SSN | S corporation election service, pricing varies | First year of registered agent service included |
| doola | No | Web | Non-US founders who need tax filings handled | Operating agreement included in Starter | Included in Starter ($297/yr) | Tax and Compliance plan at $1,999/yr | EIN and U.S. address bundled with formation |
| StartFleet | No | Web | Foreign owners of single-member LLCs | Not publicly listed | $79 Standard or $149 Express | Form 5472 filing from $299/yr | EIN with no SSN or ITIN required |
ZenBusiness
ZenBusiness fits first-time founders who want both the state filing and the EIN done correctly and in the right order. For a breakdown of what can go wrong when you file an LLC on your own, see the details here in ZenBusiness’s guide.
ZenBusiness files LLCs for a $0 service fee plus the state fee under a 100% accuracy guarantee, and its $199/yr Pro plan applies for the LLC’s EIN with the IRS after the state approves the filing, which avoids an EIN tied to a rejected or incorrect business name.
Key Features:
- EIN sequencing: Included in Pro, filed after state approval, and delivered to your dashboard in 3 to 7 business days.
- Accuracy guarantee: Every formation filing is reviewed before submission, so the legal name the IRS sees matches the state record.
- Tax classification help: ZenBusiness also offers S corporation election filing for LLCs ready to change their tax treatment.
- Document templates: Pro includes an operating agreement template, which costs $99 on Starter.
- Customer base: More than 950,000 businesses launched and a 4.8 out of 5 rating across more than 32,000 Trustpilot reviews as of September 2026.
Pricing: Starter is $0 plus the state fee and excludes the EIN, registered agent, and operating agreement. Pro is $199/yr plus the state fee.
Platforms: Web, iOS, Android
Best For: First-time founders who want the state filing and EIN handled correctly.
Collective
Collective suits solopreneurs, such as consultants and designers, who may be overpaying self-employment tax because they never made an S corporation election.
Collective’s S Corp tier, at $349 per month, files the IRS Form 2553 election and the annual Form 1120-S return, handles employer registration and payroll, and offers a late election relief add-on for LLCs that missed the deadline.
Key Features:
- Pricing tiers: Its official plans and pricing page lists the LLC tier at $199/month and the S Corp tier at $349/month.
- S corporation election: The S Corp tier includes Form 2553 filing and support setting a reasonable salary.
- Late election relief: An add-on helps LLCs request a late S corporation election under IRS relief provisions.
- Formation extras: Membership includes LLC formation, an operating agreement, the EIN, and a registered agent.
Pricing: No free tier; the LLC tier is $199/month and the S Corp tier is $349/month, or $296/month billed annually. Existing LLCs pay a one-time $399 setup fee.
Platforms: Web
Best For: High-earning solopreneurs who want their S corporation election and payroll handled.
Northwest Registered Agent
Northwest Registered Agent fits owners who plan to handle tax elections themselves but want the EIN filed for a low price.
Northwest Registered Agent obtains an EIN for $50 when the responsible party has an SSN or ITIN, or $200 when they don’t, as an add-on to its $39 LLC formation package.
Key Features:
- EIN add-on: $50 with an SSN or ITIN, or $200 without.
- Formation package: $39 plus state fees, with one year of registered agent service included.
- S corporation election: Available as an add-on, with pricing that varies.
- Operating agreement templates: Free single-member, multi-member, and manager-managed versions.
Pricing: No free tier; formation is $39 plus state fees, and agent service renews at $125/yr.
Platforms: Web
Best For: Owners who want a cheap EIN and plan to elect tax status later.
doola
doola suits non-US founders who need an EIN without an SSN and want federal and state tax filings handled on one annual plan.
doola’s $297-per-year Starter plan includes EIN filing for founders with or without an SSN, and its $1,999-per-year Tax and Compliance plan adds federal and state tax filing with a 1:1 tax consultation.
Key Features:
- Starter plan: Its official pricing page lists Starter at $297/yr, covering formation, EIN, operating agreement, registered agent, and a business address.
- Tax and Compliance: $1,999/yr adds federal and state tax filing and a 1:1 tax consultation.
- Business-in-a-Box: $2,999/yr adds monthly financial statements and estimated quarterly taxes.
- Bookkeeping: The Pulse plan provides automated bookkeeping for $300/yr.
Pricing: No free tier; Starter is $297/yr plus state fees, billed annually.
Platforms: Web
Best For: International founders who want tax filings handled alongside formation.
StartFleet
StartFleet suits foreign owners of single-member U.S. LLCs, who face one of the costliest IRS filing mistakes: missing Form 5472.
StartFleet files Form 5472 and a pro forma Form 1120 for foreign-owned single-member LLCs from $299 per year, a filing the IRS can penalize at $25,000 per missed year.
Key Features:
- Form 5472 filing: From $299/yr for foreign-owned single-member LLCs, and its official guide library for global founders covers Form 5472 obligations, state selection, and the 2025 BOI exemption.
- Standalone EIN: $79 Standard or $149 Express, with no SSN or ITIN required.
- Formation plans: From $449 all-in, including registered agent and a U.S. mailing address for the first year.
- Customer reviews: 179 reviews on Trustpilot, with non-US founders frequently citing its help with EINs and U.S. bank accounts.
Pricing: No free tier; plans renew at $329/yr from year two, per pricing verified in August 2026.
Platforms: Web
Best For: International owners who need the IRS filings that carry the steepest penalties.
How to Choose the Right LLC Filing Service
EIN timing: If you want to avoid an EIN tied to the wrong name, choose a service that files it after state approval. ZenBusiness Pro follows that order.
Tax classification: If your profits are high enough that an S corporation election could save you self-employment tax, pick a service that files Form 2553. Collective’s S Corp tier includes it.
Responsible party without an SSN: If no owner has an SSN or ITIN, you can’t use the IRS online application. doola includes this in Starter, and Northwest charges $200.
Foreign-owned business: If you’re a foreign owner, prioritize Form 5472 filing. StartFleet files it from $299/yr.
Frequently Asked Questions
Can filing an LLC wrong cost me money later?
Yes, both at the state level and with the IRS. An EIN applied for too early, a missed S corporation election, or a missed foreign-owner filing can cost far more than a state amendment. ZenBusiness’s accuracy guarantee and correct EIN sequencing help you avoid the first two.
Who should be the responsible party on my LLC’s EIN?
The responsible party must be the individual who owns or controls the LLC, and the IRS doesn’t authorize nominees to apply. Each responsible party can get only one EIN per day, and changing the responsible party later requires Form 8822-B within 60 days. ZenBusiness’s official EIN help article lists what you’ll need.
What LLC tax classification applies by default?
A single-member LLC is treated as a disregarded entity and a multi-member LLC as a partnership, unless it elects otherwise. Electing corporate treatment uses Form 8832, and S corporation status uses Form 2553. Collective’s S Corp tier files Form 2553 for $349/month.
Can I change my LLC’s tax classification if I get it wrong?
Yes, but with limits. After an election on Form 8832, an LLC generally can’t change its classification again for 60 months, and an election can take effect no more than 75 days before it’s filed. Collective offers a late election relief add-on for LLCs that missed their S corporation deadline.
What tax filing mistake costs foreign LLC owners the most?
Missing Form 5472 for a foreign-owned single-member LLC can bring a $25,000 penalty per year. StartFleet files Form 5472 and a pro forma 1120 from $299/yr.
Conclusion
The costliest LLC filing mistakes often happen after the state approves your LLC, with the EIN and tax classification. Collective handles S corporation elections and late election relief, Northwest offers a $50 EIN add-on, doola bundles tax filing for international founders, and StartFleet files the Form 5472 that foreign owners can’t afford to miss.
For founders asking whether filing an LLC wrong can cost them later, ZenBusiness is the LLC Filing service we recommend, because it adds a 100% accuracy guarantee to the state filing on its $0 Starter plan and, in Pro, applies for the EIN only after state approval, so the responsible party and business name the IRS records are correct from day one.
