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Darien Advisors
Partnering with Opolis to Support Coop
Members for the 2023 Tax Season

To honor this partnership, we are offering preferred pricing on S Corporation tax preparation and filing & 10% off any of our other services using the Referral Code: OPTR24

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 S Corp Tax Returns

If you’re an S Corporation, it’s important to note that your income tax returns are due by March 15th of each year (September 15th with extension). Our team can assist you with preparing and filing Form 1120-S, related state filings, and even help you make the S Corp election if you missed the deadline. Don’t stress about tax season - let us handle the details for you.


Federal Filing Only: $675*

Federal Filing + 1 State: $750*

Federal + Multiple States: Contact us

* Please note that cryptocurrency tax reporting, financial statement preparation (profit & loss/balance sheet) are not included in our standard preparation and filing service. You can find more details about our cryptocurrency tax packages and full service list on our Services page.

If you do choose to engage in additional services beyond S Corporation tax preparation and filing, we will happily apply a 10% discount off our normal pricing.

How It Works

Book a free consultation

You’ll be asked a few questions to help us structure our working relationship.



Provide Referral Code

Use referral code: OPTR24


Let the journey begin

You’ll choose how we move forward with the services you need to get settled.

Our Expertise

We're not just "bitcoin" accountants but a team of professionals personally invested within the space.   We have collective years of trial & error, data massaging, and working with Cointracking, our primary tool. We build API data pulls where needed, but are unashamed of data exports and old fashioned excel.

Our team brings personal understanding and experience of more complex events to provide qualitative guidance where there is a lack of formal, agency guidance. Events such as: NFTs, Play2Earn, Wrapping/Bridging, Liquidity Pools/Farming, Staking, Validating, Mining, Rebasing, DAOs, Derivatives, Lending, Auto-compounding.  We're a bunch of DeFi & ReFi degens, Web3 Contributors, DAO Participants, NFT collectors, and P2E gamers. Our team is paid in crypto, holds multiple wallets, and loves going down the rabbit hole. It never gets easier, we are just more ready to handle what complication is thrown our way.


This is why we are trusted by over 500 clients.

We count on a depth of clients across broad reaches of crypto:

  • "Mom and pop" investors & DeFi/NFT Degen
  • Investment funds, family offices, and joint venture

  • Web3 Contributors and DAO members

  • Validators, Miners, Node Operators, DApps & Protocols

  • NFT Content Creators

  • Play2Earn Projects & Gamers

  • Regenerative Finance (ReFi)

Frequently Asked Questions

What does it include?

This includes tax preparation and compliance for your S Corporation. It assumes you will provide us with financial statements and applicable cryptocurrency gain/loss/income reports to include in the return.  It does not include any advisory or tax planning work, but we're happy to address tax questions via email, discord, and our client portal.

How does your pricing work?

The prices above cover S Corporation tax preparation and filing only and is based upon time & efforts, our third party service provider costs, as well as the group discount worked out with Opolis.

How does the discount work?

We offer flat rates for S Corp prep and filing and a 10% discount to every Opolis member on all other services. You will need to input the referral code in the form when you book a call or make sure to let us know on the call (if you forget to add during booking). Referral Code: OPTR23

How do you communicate with clients?

We'll default to email as our primary method, but also offer a private Discord channel for each of our clients. For all video calls we use Google or Zoom. No phones though.

Schedule a free consultation call

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