MainStreet cuts through the noise and delivers only what matters.
ComplianceA business component is the product, process, or software your team builds — here are the 25 that qualify most often, the wage QRE ranges by role, and the exclusions that screen the rest.
ComplianceThe One Big Beautiful Bill Act restored immediate expensing for domestic R&D under new Section 174A. Here is what it means for your 2025 return, plus the retroactive refund election for small businesses that expires July 6, 2026.
ComplianceThe IRS added Section G to Form 6765 effective for 2025 tax years, requiring project-level R&D detail. Here is what it means for your filing.
BookkeepingChoosing the right bookkeeping software is one of the most consequential early decisions a small business makes. Here is an honest comparison.
LeadershipMainstreet started as a single R&D tax credit tool. Today it is a full small business financial platform—and our new brand reflects that.
ComplianceAn IRS audit is stressful but manageable. Knowing what triggers them, what to expect, and how to respond protects your business and your sanity.
Tax PlanningMost small businesses leave significant deductions unclaimed every year. This guide covers the most valuable deductions and how to document them properly.
Best PracticesEvery time you do a task that could be systematized, you are choosing to trade leverage for immediacy. Here is how to build the systems that give your business resilience.
LeadershipMost small businesses fail not from bad ideas but from cash flow problems. Here is how to build resilience before a crisis forces your hand.
BookkeepingSkipping bank reconciliation is one of the most common bookkeeping mistakes. Here is why it matters and a simple process for doing it every month.
ComplianceThe R&D credit can withstand IRS scrutiny—but only if your documentation is built to survive it. Here is exactly what auditors look for.
Tax PlanningThe R&D tax credit and the R&D deduction (Section 174) interact in important ways. Understanding the relationship helps you maximize both.
Best PracticesSmall businesses are disproportionately targeted by cybercriminals because their defenses are typically weaker than large enterprises. These basics change that equation significantly.
BookkeepingThe choice between cash and accrual accounting affects how and when you recognize income and expenses—and has significant tax implications.
ComplianceThe 2018 Wayfair decision changed everything about sales tax compliance for online sellers. Here is what it means for your business today.
Best PracticesBusiness insurance is one of those things everyone knows they need and most businesses underbuy. Here is what the coverage categories mean and which ones matter for your situation.
LeadershipHiring employee number one changes everything—your taxes, your liability, and your time. Get the administrative groundwork right before you sign the offer letter.
BookkeepingA well-designed chart of accounts is the foundation of every good set of financial records. Here is how to set it up correctly from the beginning.
Tax PlanningThe S-Corp election can save self-employed founders significant payroll taxes—but only under the right conditions. Here is how to know if it is right for you.
ComplianceWorker misclassification is one of the most expensive compliance mistakes a small business can make. The IRS and state agencies are actively auditing it.
Best PracticesThe R&D tax credit is available to far more businesses than most founders realize. Use this checklist to identify whether your activities qualify.
Tax PlanningThe Section 199A qualified business income deduction allows most pass-through business owners to deduct up to 20% of qualified business income. Are you claiming it?
BookkeepingLate-paying customers are one of the most common sources of small business cash flow problems. These practices reduce DSO without damaging relationships.
LeadershipBurnout does not announce itself. It creeps in through declining decisions, eroding relationships, and a creeping inability to care about the work you once loved.
Best PracticesMost small business contracts are missing at least one clause that would protect them from the most common disputes. Here are the five most important.
ComplianceThe Corporate Transparency Act introduced new BOI reporting requirements for millions of small businesses. Here is what you need to file and when.
BookkeepingMost small business bookkeeping problems are predictable and preventable. Here are the seven mistakes we see most often—and how to avoid them.
LeadershipMost business goals are abandoned by March. The ones that stick share a set of structural features that have nothing to do with motivation.
Tax PlanningSEP-IRAs, SIMPLE IRAs, and solo 401(k)s are not just retirement savings vehicles—they are powerful tax deferral tools that can cut your current-year tax liability significantly.
Best PracticesThe companies that build the strongest investor relationships are not always the ones with the best metrics—they are the ones who communicate most honestly and consistently.
BookkeepingVirtual bookkeeping services deliver professional bookkeeping remotely, often at a fraction of the cost of an in-house bookkeeper. Here is how to evaluate them.
ComplianceThe mandatory amortization of R&D expenses under Section 174 changed the tax math for thousands of small businesses. Here is a clear explanation.
Tax PlanningUnderpayment penalties are one of the most avoidable tax costs in small business. Here is how to calculate estimated taxes and stay penalty-free.
LeadershipA 13-week cash flow forecast is the single most powerful tool a founder can have. Here is how to build one in an afternoon.
Best PracticesMost small businesses claim one or zero of the tax credits available to them. These five are the most commonly overlooked and most broadly applicable.
BookkeepingManual expense management is one of the biggest time sinks in small business finance. These tools eliminate most of the manual work.
ComplianceOperating without the right licenses is one of the most common—and easily avoided—compliance mistakes in small business.
LeadershipDelegation feels risky when your team is small. Done right, it is the only way to grow past the limits of your own calendar.
Tax PlanningYour entity type determines how your business income is taxed. The difference between a sole proprietor, LLC, S-Corp, and C-Corp can add up to tens of thousands of dollars annually.
Best PracticesThe right banking relationship is more than a place to deposit checks. Here is what to evaluate when choosing—and what most business owners miss.
BookkeepingThe income statement, balance sheet, and cash flow statement tell the complete story of your business. Here is how to read all three.
LeadershipMost small businesses accept vendor contracts as written. The ones that negotiate save thousands and get better terms—without ruining the relationship.
Tax PlanningSmall businesses with fewer than 25 employees that offer health insurance may qualify for a credit worth up to 50% of premium costs. Few businesses are claiming it.
CompliancePayroll tax errors are the IRS's most common finding in small business audits. Here is how to get them right from the start.
Best PracticesThe growth-profitability tradeoff is one of the most consequential decisions a founder makes. Getting the mode wrong wastes years.
BookkeepingPayroll is one of the most complex areas to account for correctly. Here is a clear explanation of what gets recorded and where.
Tax PlanningThe Disabled Access Credit helps eligible small businesses pay for ADA improvements. At up to $5,000 per year, it is one of the most overlooked credits in the tax code.
LeadershipAdvisory boards are not just for venture-backed startups. Structured well, a small advisory group can be one of the highest-ROI investments a founder makes.
Best PracticesYour vendors are not just suppliers—they are partners whose performance directly affects yours. Managing these relationships proactively changes outcomes.
BookkeepingYour inventory accounting method affects both your financial statements and your taxes. Here is what each method means and how to choose.
LeadershipCulture is not the ping-pong table. It is the set of behaviors your team exhibits when no one is watching—and building it remotely is entirely possible.
Tax PlanningThe most valuable tax planning happens before the year ends. These moves reduce your tax bill legally and effectively—but only if you act before December 31.
CompliancePrivacy compliance sounds overwhelming for small businesses. In practice, the requirements are more manageable than the headlines suggest.
Best PracticesSome industries have access to overlapping tax credits that can dramatically reduce effective tax rates. Here is a guide to where credits cluster by sector.
BookkeepingA well-managed accounts payable process protects your relationships with vendors, avoids late payment penalties, and gives you visibility into upcoming cash needs.
ComplianceIf your business has been conducting qualifying R&D for years without claiming the credit, you may be able to recover credits for open tax years through amended returns.
LeadershipUnderpricing is not humility—it is a business model problem. Here is how to audit your pricing and raise it without losing customers.
Tax PlanningThe R&D credit can be calculated using two different methods. Choosing the right one for your business can significantly affect the credit you receive.
Best PracticesMost small businesses track too many metrics or the wrong ones. Here is a focused KPI framework for businesses at different stages.
BookkeepingDepreciation is one of the most misunderstood concepts in small business accounting. Here is a clear, jargon-free explanation.
LeadershipAcquiring a new customer costs five times more than keeping an existing one. These five low-cost moves dramatically improve how long customers stay.
ComplianceMost small businesses either keep too much or too little. Here is a clear guide to what the IRS expects you to retain and for how long.
Tax PlanningHSAs offer a triple tax advantage—contributions are deductible, growth is tax-free, and withdrawals for medical expenses are tax-free. Here is how to maximize them.
Best PracticesEmail marketing generates higher ROI than almost any other channel for small businesses. Here is what still works—and what to stop doing.
LeadershipYou probably do not need a full-time CFO until you hit $5M in revenue. Here is what you need before that—and how to tell when it is time.
ComplianceQualified small businesses can apply up to $500,000 of R&D credits against employer payroll taxes each year—even before they are profitable.
Best PracticesMost businesses run the same model year after year until something forces a change. An annual deliberate review of your business model surfaces better options before external pressure demands them.
Tax PlanningA cost segregation study can front-load depreciation deductions on a commercial property by 20-40 years, generating significant tax savings in the first years of ownership.
LeadershipBusiness partnerships fail at roughly the same rate as marriages—and for many of the same reasons. Getting the structure right from the start is everything.
ComplianceA strong independent contractor agreement is your first line of defense against misclassification claims, scope creep, and payment disputes.
Tax PlanningWOTC provides tax credits of up to $9,600 per qualifying new hire. The credit is available for hiring from specific target groups—many of which are more common than you might think.
LeadershipEvery business has clients who take more than they give. Here is a framework for turning difficult relationships around—or making a clean exit.
ComplianceHiring remote employees in other states creates state income tax and payroll obligations you may not be aware of. Here is how to sort it out.
LeadershipProduct-market fit is the moment your growth stops being effortful and starts being inevitable. Here is how to know when you have—or have not—found it.
ComplianceThe SECURE 2.0 Act created tax credits covering up to 100% of the cost to start a retirement plan and a new 401(k) employer match credit. Most small businesses are not claiming them.
LeadershipAnnual strategic planning does not require a retreat or a consultant. Here is a structured one-day process you can run yourself.