The spreadsheet that speaks your language
Just say what you need.
Summia builds the table, runs the numbers, and explains all of it.
| Opening cash | $180,000 |
| Cash receipts / mo | $95,000 |
| Payroll / mo | $80,000 |
| Rent and utilities / mo | $21,000 |
| Alert threshold | $50,000 |
| Month-end | |
| January | $174,000 |
| February | $168,000 |
| March | $162,000 |
| April | $156,000 |
| May | $150,000 |
| June | $144,000 |
You know what you want.
Your spreadsheet just doesn’t get you.
Twenty minutes on Google
hunting for the right formula.
A file nobody dares to touch
for fear of breaking it.
Bugging the “Excel guy”
one more time.
With Summia, you talk and it builds.
And you understand everything it did.
As simple as
a conversation
or a percentage of salary?
| Logistics | $42,000 |
| Lodging | $26,300 |
| Transportation | $18,500 |
| Communications | $9,800 |
| Total | $96,600 |
| Suppliers | $18,420 |
| Rent | $4,200 |
| Subscriptions | $1,135 |
Simple at first glance,
powerful when you need it
- Customer
- Region
- Customer
- Product
- Amount
- Cost
- Product
- Line
| Revenue | ƒ Margin % | |
| West | $101,100 | 31.3% |
| Premium | $62,400 | 34.5% |
| Essentials | $38,700 | 26.1% |
| South | $78,050 | 28.9% |
| Premium | $45,100 | 33.0% |
| Essentials | $32,950 | 23.2% |
| Grand total | $179,150 | 30.2% |
| Population | Median household income | |
| Ohio | 11,799,448census.gov | $72,212census.gov |
| Indiana | 6,785,528census.gov | $71,959census.gov |
| Michigan | 10,077,331census.gov | $72,389census.gov |
Start from an example
All examples →
Finance12-month cash flow forecast
DataSales analysis
HR2027 payroll costs
FinanceMortgage simulator
OperationsInventory and reordering
DataCustomer satisfaction survey
HRSummer time-off schedule
Small business3-year financial projections
DataHousing prices
SalesSales pipeline
Small businessBreak-even point
EventsCompany offsite budget Your data stays yours
Summia was built from its very first line of code around security best practices.
Your budgets, salaries, and forecasts are in good hands.
Accurate numbers,
every time
Summia’s AI never does the math itself: it writes the formula, and the spreadsheet does the math.
No made-up numbers, and you can check every result with one click.
For everything that counts
- Cash flow forecast
- Annual budget
- Expense tracking
- Payroll costs
- Hiring plan
- Schedules and time off
- Quota tracking
- Commissions
- Quotes and price lists
- Inventory and reordering
- Production schedules
- Supplier tracking
- Financial projections
- Invoice tracking
- Profitability
- Budget and grants
- Membership dues
- Event planning
Work together, no attachments
Send a link.
Your coworkers can view, fill in their part, or build it with you, without creating an account. No more budget_v3_final_REALLY_final.xlsx.
| Marketing | CD | $240,000 |
| Sales | TM | $410,000 |
| Product | JL | in progress |
| Total | $650,000 |
| Seats | 25 |
| Term | 12 months |
| Discount | 10% |
| Price per seat per month | $39 |
| Price | $10,530 |
Connect your AI assistant
Put your numbers to work wherever you work.
From Claude, ChatGPT, Le Chat, or Gemini, your AI builds and updates your Summia tables, then uses them elsewhere: a priced proposal for each client, the Monday update, a reply to an email.
Common questions
Do I need to know how to use Excel?
No, that’s the whole point. If you can explain what you want, you can use Summia.
What if I’m already pretty good with it?
You’ll go faster. Import your files, keep your formulas, and let Summia handle the repetitive work.
Can I trust the calculations?
Yes. The AI writes the formulas, and the spreadsheet does the math. You can check every number with one click.
Do my coworkers need to create an account?
No, not to view or fill in a table you share with them.
How much does it cost?
You can start for free, without even creating an account.