How Much Does It Cost To Run ERP Software Monthly?
ERP Software Running Costs
Running an ERP Software platform requires substantial upfront investment in people and infrastructure In 2026, expect core monthly operating expenses (OpEx) to be around $59,092, covering fixed overhead ($9,200), payroll ($37,392), and marketing ($12,500) This figure excludes variable costs of goods sold (COGS) like hosting, which start at 60% of revenue
7 Operational Expenses to Run ERP Software
#
Operating Expense
Expense Category
Description
Min Monthly Amount
Max Monthly Amount
1
Payroll
Personnel
Estimate $37,392 monthly for 40 Full-Time Equivalents (FTEs) in 2026, including a $150,000 CEO and a $140,000 Lead Software Engineer
$37,392
$37,392
2
CAC Budget
Sales & Marketing
Budget $12,500 per month in 2026 for online marketing, targeting a Customer Acquisition Cost (CAC) of $2,500 to secure new paying customers
$12,500
$12,500
3
Cloud Hosting
COGS
Allocate 60% of revenue in 2026 for Cloud Infrastructure & Hosting Fees, which is a key Cost of Goods Sold (COGS) that decreases to 40% by 2030
$0
$0
4
Office Rent
Fixed Overhead
Budget $3,000 monthly for Office Rent, a fixed expense necessary for operations from January 1, 2026, through 2030
$3,000
$3,000
5
Legal/Acct
G&A
Set aside $2,000 monthly for Legal & Accounting Retainers to manage compliance, contracts, and finacial reporting needs
$2,000
$2,000
6
Internal Stack
G&A/Tech
Plan for $2,000 monthly covering CRM & Project Management Software ($800) and essential Cybersecurity Subscriptions ($1,200)
$2,000
$2,000
7
3rd Party Licenses
COGS
Factor in 30% of revenue for Third-Party API & Software Licenses in 2026, a variable COGS expense that scales with customer usage
$0
$0
Total
All Operating Expenses
$56,892
$56,892
What is the total required monthly operating budget for the first year?
The total required monthly operating budget for the first year of your ERP Software business is $59,092, calculated by summing fixed costs, payroll, and marketing spend. This figure represents your initial monthly cash burn before any subscription revenue offsets these expenses.
Monthly Burn Breakdown
Fixed overhead sits at $9,200 monthly.
Payroll accounts for the largest share at $37,392.
Average marketing spend is budgeted at $12,500.
The total burn rate is $59,092 per month.
First Year Funding Need
Year one funding must cover $709,104 ($59,092 x 12).
This estimate doesn't include one-time setup capital requirements.
If customer onboarding takes 14+ days, churn risk rises defintely.
Which cost category represents the largest recurring monthly expense?
Payroll is clearly the largest recurring monthly expense for the ERP Software platform, dwarfing both marketing spend and general overhead, which makes understanding your core drivers critical—see What Is The Most Critical Metric To Measure The Success Of Your ERP Software Business? for deeper insight into SaaS health. This dictates that headcount management is your primary lever for controlling operational burn rate.
Cost Comparison Snapshot
Payroll clocks in at $37,392 per month, making it the biggest drain.
Marketing spend is $12,500 monthly, significantly lower than staff costs.
Fixed overhead runs at $9,200 monthly, representing the smallest component.
Payroll costs are 4x larger than your baseline fixed overhead.
Headcount Planning Focus
When planning headcount, remember salary is defintely your primary variable cost.
Every new hire directly impacts the $37k baseline expense category.
Focus hiring on roles directly tied to revenue generation or critical support.
If you need to cut burn, staffing adjustments will yield the fastest results.
How much working capital is required to cover the burn rate until breakeven?
You need enough working capital to cover the cumulative cash deficit until the ERP Software business reaches profitability. Honestly, the minimum cash required to sustain operations until breakeven is projected to hit $158,000 by January 2028, so runway capitalization must cover this gap.
Runway Capital Needs
The cumulative cash deficit dictates the required runway capitalization amount.
The minimum cash buffer needed to survive until breakeven is $158,000.
This deficit projection is based on the forecast timeline ending in January 2028.
Ensure your capital raise covers this minimum plus a buffer for operational slippage.
Every month you miss the target date adds to the required working capital injection.
If customer onboarding takes longer than planned, churn risk defintely increases.
Prioritize shortening the sales cycle to convert pipeline faster.
How will we cover fixed costs if initial revenue targets are missed?
If initial revenue targets for the ERP Software are missed, you must immediately slash non-essential spending and review your operating assumptions, much like you would defintely detail in the operational section of your What Are The Key Components To Include In Your Business Plan For Launching ERP Software?. Honestly, this means freezing discretionary spend until customer acquisition stabilizes and you have a clear path to covering your $21,000 monthly burn rate.
Triage Fixed Overhead
Immediately halt the $700 Professional Development budget.
Negotiate rent down or move to a remote-first model to cut $3,000 Office Rent.
Review all SaaS subscriptions for unused seats or overlapping functionality.
These cuts provide a baseline reduction of $3,700 monthly overhead.
Control Variable Burn
Reduce Marketing spend by $12,500/month immediately.
Shift acquisition focus to low-cost channels like referrals or content marketing.
Tie any remaining marketing spend to direct, measurable ROI targets only.
Variable levers offer faster relief than renegotiating fixed contracts.
Key Takeaways
The initial core monthly operating expense (OpEx) for running the ERP software is projected to be $59,092 in 2026, heavily weighted by personnel costs.
Payroll and Benefits constitute the largest recurring monthly expense, consuming $37,392 of the initial budget to support 40 FTEs.
Financial planning must secure sufficient runway to cover the cumulative cash deficit until the projected breakeven date in January 2028, requiring a minimum cash balance of $158,000.
Variable costs, particularly Cloud Infrastructure, represent a significant initial COGS burden at 60% of revenue, necessitating a focus on improving conversion efficiency from the starting $2,500 Customer Acquisition Cost (CAC).
Running Cost 1
: Payroll & Benefits
2026 Headcount Burn
Your 2026 personnel budget needs to account for 40 Full-Time Equivalents (FTEs) costing about $37,392 monthly. This estimate includes key leadership salaries, such as the $150,000 CEO and the $140,000 Lead Software Engineer. Getting headcount right early on is critical for SaaS burn rate management.
Payroll Inputs
This $37,392 monthly payroll projection for 40 FTEs in 2026 must cover base salary plus employer-side payroll taxes and benefits loading, often 25% to 35% above base pay. The inputs are the required roles, like the $150k CEO and $140k Engineer, and the total headcount target. Honestly, personnel is usually your single biggest fixed cost.
Target 40 FTEs for 2026.
Include executive salaries.
Add ~30% for benefits/taxes.
Managing Staff Costs
Managing this large fixed cost requires tight control over hiring velocity and role definition. Don't hire ahead of revenue milestones; every new seat burns cash monthly, regardless of utilization. A common mistake is underestimating the true cost of benefits, which defintely adds 25% or more.
Tie hiring to funding milestones.
Use contractors initially for specialized roles.
Model benefit load accurately now.
The Fixed Cost Reality
Since this is a fixed expense, it pressures your gross margin until you scale subscriptions past this baseline. If your ERP software requires 40 people to service your customer base, you need substantial recurring revenue just to cover salaries before marketing or infrastructure costs.
Running Cost 2
: Customer Acquisition
Acquisition Budget
You must allocate $12,500 monthly for online marketing in 2026. This budget targets acquiring 5 new paying customers each month, assuming a strict $2,500 Customer Acquisition Cost (CAC). This acquisition volume is critical to justify the $37,392 monthly payroll for 40 staff.
Cost Breakdown
This $12,500 marketing spend is defined as a fixed monthly operating cost for 2026. It covers all online channels needed to generate leads for your software sales cycle. Here’s the quick math: achieving 5 customers/month at a $2,500 CAC validates the spend. If sales cycles are long, you need working capital to cover this expense before revenue arrives.
Covers digital ads and lead generation.
Requires $150,000 annual commitment.
Needs 5 new sales monthly to hit target.
CAC Management
Hitting a $2,500 CAC for an ERP sale is aggressive; SMB software sales often cost more initially. Focus on optimizing the sales funnel conversion rate, not just ad spend. If your average revenue per user (ARPU) is low, this CAC will crush profitability fast. Defintely track payback period closely.
Benchmark CAC against Lifetime Value (LTV).
Reduce sales cycle length significantly.
Test channels before full budget deployment.
Volume Check
Acquiring only 5 customers monthly means your growth rate is slow relative to your 40 FTE payroll cost of $37,392. You must ensure the subscription revenue from those 5 new customers covers the high fixed overhead quickly, or cash burn accelerates rapidly.
Running Cost 3
: Cloud Infrastructure
Cloud Cost Burn
Cloud hosting is your biggest early variable cost, requiring 60% of 2026 revenue. This high allocation as Cost of Goods Sold (COGS) must fall to 40% by 2030. That initial burn rate is normal for platform businesses needing massive compute power upfront; you're buying scale now.
COGS Hosting Detail
This expense covers the compute, storage, and bandwidth needed to run your ERP software for every paying user. Since the plan sets this cost at 60% of revenue in 2026, your primary input is the monthly subscription revenue forecast. You need to know exactly how much infrastructure one new customer consumes.
Covers hosting, compute, and data transfer.
Tied directly to monthly subscription revenue.
Requires accurate revenue forecasting for 2026.
Cutting Hosting Spend
To hit the 40% target by 2030, you need aggressive cloud cost management now. Avoid paying for unused capacity by rightsizing virtual machines and optimizing serverless functions. Look into reserved instances or savings plans after the first 12 months when usage patterns stabilize. You defintely need engineering oversight here.
Negotiate reserved instances early.
Automate scaling down during off-peak hours.
Review architecture for serverless adoption.
Margin Lever
The planned reduction from 60% in 2026 down to 40% by 2030 represents a 20% margin improvement in COGS. If customer usage scales faster than your subscription revenue, this percentage will creep up, hurting gross profit. Monitor utilization metrics weekly to ensure infrastructure cost growth lags revenue growth.
Running Cost 4
: Office Rent
Lock In Office Spend
You must budget $3,000 monthly for physical office space starting January 1, 2026, running through 2030. This is a necessary fixed expense that must be covered before subscription revenue stabilizes. Honestly, this cost is minor compared to the $37,392 payroll burden, but it sets a hard floor on your monthly burn rate.
Cost Inputs and Budget Fit
This $3,000 covers the lease for your US headquarters supporting the initial 40 Full-Time Equivalents (FTEs). It’s a fixed overhead, unlike Cloud Infrastructure which is a variable Cost of Goods Sold (COGS) budgeted at 60% of revenue in 2026. You need this space commitment locked in before relying on the SaaS model to cover it.
Fixed cost: $36,000 annually.
Commitment period: January 2026 through 2030.
Compare to payroll: It's about 8% of initial monthly payroll.
Managing Fixed Space Costs
Since rent is fixed, the lever here is timing and negotiation, not daily efficiency. Avoid signing a long-term lease until you prove the $2,500 Customer Acquisition Cost (CAC) model works. If onboarding takes too long, this rent drains runway fast. A common mistake is assuming you need prime downtown space right away.
Delay commitment past Q1 2026 if possible.
Use flexible co-working arrangements initially.
Ensure rent doesn't exceed 10% of total fixed operating costs.
Rent vs. Operational Risk
This $3,000 rent becomes dangerous if sales velocity is slow; it’s a constant drag. If you secure a lease early, you must ensure your subscription revenue growth rate outpaces the combined fixed costs of rent, payroll, and internal software ($2,000 monthly). That fixed cost base must be supported by consistent subscription income.
Running Cost 5
: Legal & Accounting
Budget Legal Retainer
You must budget $2,000 monthly for your Legal & Accounting retainer immediately. This covers crucial compliance for your Enterprise Resource Planning (ERP) software, contract drafting for Software as a Service (SaaS) subscriptions, and accurate financial reporting necessary for scaling in the US market. This fixed cost supports operational integrity.
Cost Breakdown
This $2,000 monthly retainer covers essential services like annual tax filings and ongoing contract review for your platform. Inputs are based on quotes for standard US compliance packages for a growing technology business. It sits alongside payroll and infrastructure as a non-negotiable fixed overhead required from January 1, 2026.
Reviewing customer subscription agreements.
Ensuring US Generally Accepted Accounting Principles (GAAP) compliance.
Managing quarterly state and federal tax obligations.
Cost Management Tactics
Avoid scope creep by clearly defining what the retainer covers versus project work. Hourly rates for specialized tasks outside the agreement can spike costs quickly. Many startups overpay by mixing basic bookkeeping with complex legal advice in one bucket. Defintely separate these functions early.
Negotiate fixed monthly blocks upfront.
Standardize customer contract templates.
Use internal staff for basic expense tracking.
Risk Insight
For a SaaS business like an ERP provider, legal risk around data security and intellectual property is high. Failing to budget for proactive counsel now means facing much higher remediation costs later when issues arise. That $2,000 shields you from bigger liabilities.
Running Cost 6
: Internal Software Stack
Software Budget Set
You need to budget $2,000 monthly for your core internal software stack starting in 2026. This covers both customer relationship management (CRM) and project management tools, alongside necessary cybersecurity protection. This fixed operational cost is small compared to payroll but critical for scaling securely.
Stack Breakdown
This $2,000 fixed monthly expense covers two main areas for your ERP software launch. First, you allocate $800 for CRM and project management software needed to track leads and manage development sprints. Second, $1,200 is set aside for essential cybersecurity subscriptions to protect sensitive customer and operational data.
CRM/PM: $800 allocation
Cybersecurity: $1,200 allocation
Cutting Software Spend
Since this is a fixed cost, direct savings are harder than variable COGS reductions. Stick to user counts that match your 40 FTEs initially, avoiding premium tiers you don't need yet. Watch out for auto-renewals on unused seats, which can waste hundreds monthly.
Audit user licenses quarterly.
Bundle security tools for better pricing.
Negotiate annual commitments for savings.
Fixed Cost Reality
Unlike infrastructure costs that scale with revenue, this $2,000 is sunk cost regardless of sales volume in 2026. It must be covered before you reach break-even, meaning your gross margin must support it quickly. This cost is defintely necessary for professional operations.
Running Cost 7
: Third-Party Licenses
License Cost Hit
Third-party licenses are a major variable cost for your ERP platform. Expect these API and software fees to consume 30% of revenue in 2026. Since this scales directly with customer usage, managing these embedded costs is critical for gross margin health.
Cost Inputs
These licenses cover essential components baked into your ERP, like mapping services or specific database engines. Estimate this by tracking usage metrics tied to your subscription tiers. If a customer uses the premium analytics module, their license cost input rises proportionally.
Track API calls per customer tier
Factor in annual renewal uplifts
Model usage growth against revenue growth
Cost Control
Avoid over-provisioning licenses based on theoretical maximums. Negotiate volume discounts with key vendors before scaling sales significantly. A common mistake is forgetting to audit usage quarterly to cut unused seats or lower-tier access for smaller clients.
Bundle licenses where possible
Review vendor contracts at 90 days
Ensure usage tiering matches pricing
Margin Reality Check
Since licenses are 30% of revenue, your gross margin floor is 70% before factoring in cloud hosting (which is 60% in 2026). This tight margin structure means pricing must defintely cover these variable COGS components right away.
