When a company is small, finance tends to run on trust, familiarity, and the founder’s direct oversight. The team is tight, everyone knows everyone, and informal processes get the job done well enough. Then the business grows. Headcount increases, transaction volumes rise, and the founder can no longer see everything firsthand.
That is the moment when the absence of financial controls stops being a minor gap and starts becoming a real risk.
If you are a CFO or VP Finance stepping into a company at this stage, you are likely inheriting a finance function that was never properly built. The books may be roughly accurate. Payments get made. Reports get produced. But the underlying process has no structure, no checks, and no reliable way to catch errors or irregularities before they become expensive.
This article is about what to build first, why it matters, and how to do it without grinding the business to a halt.
Why Early-Stage Companies Are Particularly Vulnerable
Finance Was Never the Priority, Until It Becomes a Problem
Most early-stage companies prioritize product, sales, and hiring. Finance is handled by whoever has capacity, often the founder, an office manager, or an early operations hire with no formal accounting background. Controls are not deliberately avoided. They are simply never established because the business was moving too fast to stop and build them.
The result is a finance function held together by individual knowledge rather than documented process. One person knows where everything is, how to interpret the numbers, and which exceptions to watch for. That works until that person leaves, or until an auditor, investor, or acquirer asks to see the process behind the numbers.
Growth Exposes What Informal Processes Cannot Handle
As transaction volumes increase and the team grows, informal oversight breaks down in predictable ways. Duplicate payments start appearing. Expense claims go unchecked. Vendor invoices get approved by whoever is available rather than whoever is authorized. Journal entries get made without review. The general ledger drifts further from reality each month, and reconciling it becomes a month-end ordeal rather than a routine check.
None of this is the result of bad intentions. It is the natural consequence of a process that was never designed to scale.
What Financial Controls Actually Are
Controls Are Not Bureaucracy, They Are Structure
There is a common misconception in early-stage companies that financial controls slow things down. In practice, well-designed controls do the opposite. They remove ambiguity, reduce the time spent fixing errors, and give the finance team a reliable foundation to work from.
A financial control is simply a policy, procedure, or system that ensures financial transactions are authorized, accurately recorded, and properly reviewed. Controls do not require a large team or expensive software. They require clarity about who does what, who reviews what, and what happens when something does not look right.
The Three Things Good Controls Protect Against
Well-designed financial controls protect against three categories of risk. The first is error, unintentional mistakes in recording, coding, or processing transactions that distort the financial picture. The second is fraud, both external and internal, which is more common in control-light environments than most leaders expect. The third is compliance failure, missed obligations, inaccurate filings, and reporting that does not hold up under scrutiny.
At the early stage, error is the most common problem. But fraud and compliance risk grow alongside headcount, and building controls early is significantly easier than retrofitting them after an incident.
The Controls That Matter Most at This Stage
Not all controls carry equal weight at the early stage. The following are the ones that create the most value and reduce the most risk for a company that is building its finance function from the ground up.
Cash and Bank Controls
Cash is the highest-risk area in any early-stage finance function. The controls here are straightforward but critical.
Bank accounts should be reconciled on a regular cycle, not just at month-end. Every reconciling item should be investigated and cleared promptly. Unreconciled items that sit for weeks are a signal that something in the recording process is not working.
Payments above a defined threshold should require dual authorization. One person initiates, a second person reviews and approves. This single control removes a significant category of risk and takes minimal effort to implement once payment workflows are defined.
Bank account access should be reviewed periodically. Former employees retaining access to company bank accounts or payment systems is a more common problem than most businesses realize, and it is entirely preventable.
Expense and Payment Authorization
Every company needs a clear expense policy that defines what can be spent, by whom, up to what amount, and what documentation is required. Without this, expense claims are approved based on relationship and judgment rather than policy, which creates inconsistency and opens the door to abuse.
Authorization limits should be documented and communicated. A junior team member should not be able to approve the same purchase as the CFO. Approval thresholds should reflect the organizational structure, and exceptions should require escalation rather than informal sign-off.
Purchase orders should be raised before commitments are made, not created retroactively to match invoices that have already arrived. Retroactive POs are a sign that the procurement process has no controls at the front end, which makes the entire accounts payable process harder to manage and audit.
Segregation of Duties
Segregation of duties is the principle that no single person should control an entire financial transaction from start to finish. The person who raises a purchase order should not be the same person who approves it. The person who processes a vendor payment should not be the same person who reconciles the bank account.
This is the control that early-stage companies most frequently skip, usually because the team is small and it feels impractical. In a very small team, perfect segregation is not always possible. But even partial segregation, where a second person reviews completed transactions rather than approving them in advance, provides meaningful protection.
As the team grows, segregation of duties should be formalized. Roles and responsibilities should be documented, and the finance team structure should be designed so that critical functions do not sit entirely with one individual.
Financial Reporting and Close Controls
Monthly financial reporting should follow a consistent close process with defined deadlines, a standard checklist, and a review step before numbers are finalized. Without this, reports reflect whoever had time to work on them rather than a reliable, repeatable process.
The close checklist should include bank reconciliations, accounts receivable and payable aging reviews, accrual entries, prepayment schedules, and a flux analysis that flags unusual movements in key line items. Each item should have an owner and a completion date.
Financial reporting and MIS built on a controlled close process gives leadership accurate, timely information to make decisions. Financial reporting built on an uncontrolled process gives leadership a number that might be right, and might not be.
For companies that have struggled with inconsistent close timelines, the connection between AP discipline and close efficiency is worth understanding in more depth.
Access and System Controls
Finance systems should have role-based access. The right people should be able to see and do only what their role requires. A sales manager does not need access to the general ledger. A junior bookkeeper does not need the ability to create new vendors or modify payment details.
System access should be reviewed when people join, change roles, or leave the business. Offboarding is a particular vulnerability. Access to accounting software, payment platforms, and banking systems should be revoked promptly when someone leaves, not weeks later when someone thinks to check.
Audit trails in accounting systems should be enabled and preserved. The ability to see who made a change, what was changed, and when is fundamental to any meaningful review process.
How to Prioritize When Everything Feels Urgent
Walking into a controls-light environment as a new CFO or VP Finance can feel overwhelming. The gaps are everywhere and the list of things to fix is long.
The practical approach is to prioritize by risk, not by complexity. Start with the controls that protect cash directly, bank reconciliation, dual payment authorization, and expense policy. These have the most immediate impact and can be implemented quickly without requiring systems changes or large team buy-in.
Then move to the controls that affect reporting accuracy, close process, journal entry review, and reconciliation discipline. These take longer to embed because they require consistent behavior from the team, but they are foundational to everything that follows.
Access controls and segregation of duties can be addressed in parallel, starting with the highest-risk roles and working outward. They are less urgent than cash controls but more important than they appear until something goes wrong.
Building Controls Without Slowing the Business Down
The most common objection to financial controls in early-stage companies is that they add friction. Approvals take time. Checklists feel bureaucratic. People who are used to moving fast push back against new process.
The answer is not to avoid controls but to design them proportionally. A company with ten employees does not need the same control environment as a company with five hundred. Controls should match the volume, complexity, and risk profile of the business at its current stage, with room to scale as the business grows.
Document the controls you implement simply and clearly. A one-page expense policy is more likely to be followed than a twenty-page manual. An approval threshold table that fits on a single screen is more practical than a governance framework nobody reads. The goal is consistent behavior, and consistency is easier to achieve when the rules are easy to understand.
Build controls into existing workflows wherever possible rather than creating parallel processes. If your team already uses a procurement tool, build the authorization step into that tool. If close happens on a shared tracker, add the checklist to the same tracker. Controls that live inside the workflow people already use are followed. Controls that require people to go somewhere else are ignored.
When Outside Support Makes the Difference
For many early-stage companies, the challenge is not knowing what controls to build. It is having the capacity and expertise to build them while simultaneously running the day-to-day finance function.
A new CFO who is also responsible for closing the books, managing cash, supporting the business on financial decisions, and preparing for the next board meeting has limited bandwidth left for building process infrastructure from the ground up.
This is where structured finance and accounting outsourcing provides genuine value. An experienced outsourced finance partner brings a built-in control framework, maker-checker processes, documented workflows, and the discipline of a team that runs finance operations as a core function rather than a side responsibility.
For companies evaluating their overall financial maturity, it is also worth understanding how weak controls in one area, such as AP or AR, create downstream problems in reporting accuracy and audit readiness. The accounting red flags that reduce SaaS valuations are often rooted in exactly the control gaps described in this article, and they surface at the worst possible moment.
Virtual CFO services can also provide senior-level oversight and control design guidance for companies that need that expertise without a full-time hire at that level.
Build the Foundation Before You Need It
Financial controls are most valuable when they are in place before something goes wrong. By the time an error becomes a restatement, a compliance issue becomes a penalty, or a fraud incident surfaces during due diligence, the cost of not having controls is already real.
The good news is that the foundational controls are not complicated. They require clarity, consistency, and commitment from the finance leader to see them through. Built properly at the early stage, they become the infrastructure that supports everything that follows, from the first audit to the first fundraise to a successful exit.
If you are building a finance function from the ground up and want a team that already has the processes and controls in place, the OATS team is happy to walk through what that looks like for your business.
