Co-founder and startup glossary

By the EasyCofounder team ·

In short

The EasyCofounder glossary defines 126 terms used when starting a company with co-founders, from “co-founder” and “shareholders’ agreement” to “vesting”, “cliff” and “cap table”. Each definition is one or two sentences long and links to the guide that explains the term in detail.

Terms starting with A

Acceleration

Early vesting of unvested shares triggered by an event, usually the sale of the company (single or double trigger).

Explained in Co-founder vesting

Accelerator

An intensive, selective programme that helps an already launched startup grow fast, often in exchange for equity.

Explained in Incubator or accelerator

Advisor

Outside adviser who helps the founders on a specific topic, without being an employee or a founding shareholder.

Explained in Startup advisors

Advisor agreement

Contract setting out an advisor’s scope, term, confidentiality and compensation.

Explained in Startup advisors

Advisory board

Consultative group of several advisors, with no decision-making power in the company.

Explained in Startup advisors

Approval clause

A clause that makes the entry of a new shareholder subject to the prior consent of the existing shareholders.

Explained in French SAS with co-founders

Articles of association

The company’s constitutional document, which sets out its operating rules (called bylaws or a certificate of incorporation in some countries).

Explained in Shareholders’ agreement

Assignment of rights

A contract by which the author of a creation, such as code or a logo, transfers their rights to the company.

Explained in Preparing for due diligence, Protecting your idea

Assimilé salarié

The social security regime of a paid SAS president, close to that of employees but without unemployment insurance.

Explained in Choosing your legal structure

Asynchronous communication

Exchanges that do not require an immediate reply (messages, documents), suited to teams that do not work the same hours.

Explained in Remote co-founders

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Terms starting with B

Bad leaver

A co-founder whose departure is considered wrongful or premature under the shareholders’ agreement, with less favourable buyback terms.

Explained in Co-founder conflict

Billing unit

What the price is calculated on: user, volume, transaction or flat fee.

Explained in Startup pricing

BSA

French share warrant giving the right to buy shares at a price set in advance.

Explained in Startup advisors

BSA AIR

A French share subscription warrant that lets someone invest in a startup while deferring the valuation to a later round.

Explained in Pre-seed funding, Understanding the BSA AIR

BSPCE

Bon de souscription de parts de créateur d’entreprise: in France, the right to buy shares at a price set in advance.

Explained in Understanding BSPCE, Hiring your first employees

Burn rate

The amount of money a company spends each month beyond its revenue.

Explained in Founder salary

Business angel

A private individual who invests their own money in a young company and supports it with their experience.

Explained in Finding angel investors

Business angel network

An association of private investors who review and fund projects together.

Explained in Finding angel investors

Buy-back clause

Clause setting the conditions under which a departing co-founder’s shares can be bought back.

Explained in Business with a friend

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Terms starting with C

Cap table

A table listing a company’s shareholders and the rights giving access to its equity.

Explained in Building your cap table

Cash flow plan

A monthly table of cash coming in and going out, showing the money available.

Explained in Writing your business plan

CEO

Chief executive officer, responsible for strategy, fundraising and running the startup.

Explained in Dividing co-founder roles

Churn

The share of customers or revenue lost during a period.

Explained in Startup metrics

Cliff

Minimum period before which no shares subject to vesting are acquired.

Explained in Find a co-founder, Equity split, Co-founder vesting

Closing

The final completion of the round: signing the documents, paying the funds and issuing the shares.

Explained in Negotiating a term sheet

Co-founder

Someone who starts a company with others and commits to it for the long term, usually holding equity.

Explained in Find a co-founder

Code ownership

The company’s legal rights over the software built for it, to be secured in contracts with contractors.

Explained in Non-technical founder

Cohort

A group of users who joined during the same period, tracked over time.

Explained in Reaching product-market fit

Comparables

Valuations seen in rounds raised by similar companies, used as reference points.

Explained in Valuing your startup

Concierge MVP

A test in which the service is delivered manually to a few customers before anything is automated.

Explained in Build an MVP without coding

Concierge test

Delivering a service manually to a few customers to learn what they need before automating it.

Explained in Validate your startup idea

COO

Chief operating officer, responsible for day-to-day operations and processes.

Explained in Dividing co-founder roles

CPO

Chief product officer, responsible for the product vision and development priorities.

Explained in Dividing co-founder roles

CTO

Chief technology officer, responsible for the technical product and the development team.

Explained in Dividing co-founder roles

Customer acquisition cost

The sales and marketing spend needed to win a new customer.

Explained in Building your go-to-market

Customer discovery

Structured interviews with potential customers to understand a problem before designing a solution.

Explained in Validate your startup idea

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Terms starting with D

Data room

A secure sharing space in which the company makes its documents available to investors.

Explained in Preparing for due diligence

Decision log

A shared document in which the team records each important decision, its date and the reasons for it.

Explained in Remote co-founders

Demo day

An end-of-programme event at which startups present their project to investors.

Explained in Incubator or accelerator

Dilution

The drop in the percentage each partner holds when new shares are issued.

Explained in Equity split, Pre-seed funding, Understanding BSPCE

Discount

A reduction applied to the price of the next round to set the conversion price.

Explained in Understanding the BSA AIR

Dividend

A distribution of profits to shareholders, generally only possible when the company has distributable profits.

Explained in Founder salary

Down round

A round raised at a lower valuation than the previous one.

Explained in Valuing your startup

DPAE

Déclaration préalable à l’embauche: in France, the pre-hiring declaration filed with the Urssaf before an employee starts.

Explained in Hiring your first employees

Drag-along

A clause requiring minority shareholders to sell their shares if a majority accepts a purchase offer.

Explained in Negotiating a term sheet

Due diligence

The set of checks carried out by an investor before finalising an investment.

Explained in Preparing for due diligence

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Terms starting with E

Employer cost

The gross salary plus employer social security contributions, which represents the real cost of an employee to the company.

Explained in Hiring your first employees

Exclusion clause

A clause in the articles that, in specific cases, can require a shareholder to sell their shares.

Explained in Co-founder conflict

Exclusivity clause

A clause that may prohibit an employee from carrying out any other professional activity during their contract.

Explained in Quitting your job to start up

Exercise

The moment the holder uses their warrants, paying the exercise price to become a shareholder.

Explained in Understanding BSPCE

Exercise price

The price at which the holder can buy the shares, set at the time of the grant.

Explained in Understanding BSPCE

EXIST

A German federal programme supporting start-ups that come out of universities and research institutions.

Explained in Student entrepreneur

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Terms starting with F

Financial forecast

A company’s set of projected figures over several years, built from assumptions.

Explained in Writing your business plan

Freemium

A model offering a limited free version and paid advanced features.

Explained in Startup pricing

Full ratchet

An anti-dilution clause that brings the price the investor paid down to the price of a lower round.

Explained in Understanding dilution

Fully diluted

A view of the equity that assumes all warrants and convertible instruments are exercised or converted.

Explained in Building your cap table

Fully diluted basis

A calculation of the equity that assumes all warrants and convertible instruments are exercised or converted.

Explained in Understanding dilution

Funding plan

A table that sets the company’s needs against the resources planned to cover them.

Explained in Writing your business plan

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Terms starting with G

Go-to-market

The set of choices that organise how a product is brought to market: target, message, price, channels and sales.

Explained in Building your go-to-market

Good leaver

A co-founder whose departure is considered legitimate under the shareholders’ agreement, with favourable buyback terms.

Explained in Co-founder conflict

Good leaver / bad leaver

The distinction between an “acceptable” and a “faulty” departure of a partner, with different consequences for their shares.

Explained in Shareholders’ agreement, Co-founder vesting

Back to the index

Terms starting with H

Honour loan

A personal loan granted to the founder by a support network, often interest-free and unsecured (prêt d’honneur in France).

Explained in Funding without dilution

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Terms starting with I

Ideal customer profile

The type of customer who gets the most value from the product and buys most easily.

Explained in Building your go-to-market

Incubator

An organisation that supports the creation of a company, from the idea to the first customers.

Explained in Incubator or accelerator

Intellectual property

Rights over creations (code, brand, design) that must be clearly assigned to the future company.

Explained in Co-founder trial period

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Terms starting with L

Landing page test

A single web page describing an offer, used to measure interest through sign-ups or requests.

Explained in Validate your startup idea

Leave to start a business

In France, a temporary suspension of the employment contract that allows an employee to create or take over a business, subject to conditions.

Explained in Quitting your job to start up

Letter of intent

A non-binding document summarising the main terms proposed by an investor.

Explained in Finding angel investors

Leverage

The ability of a first source of funding to make other funding easier to obtain.

Explained in Funding without dilution

Liquidation preference

The investor’s right to get their money back first in a sale or liquidation.

Explained in Negotiating a term sheet

Love money

The French term for money contributed by the founders’ friends and family when the project starts.

Explained in Pre-seed funding

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Terms starting with M

Mediation

An amicable process in which a neutral third party helps the co-founders reach an agreement themselves.

Explained in Co-founder conflict, Business with a friend

Micro-entreprise

A simplified French regime for sole proprietorships, subject to revenue caps.

Explained in Choosing your legal structure

MRR

Monthly recurring revenue, the sum of active subscriptions expressed per month.

Explained in Startup metrics

MVP

Minimum viable product: the smallest experiment that shows whether customers get real value.

Explained in Validate your startup idea, Non-technical founder, Build an MVP without coding

Back to the index

Terms starting with N

NDA

A non-disclosure agreement committing a party not to disclose certain information it receives.

Explained in Protecting your idea

No-code

Tools that let you build websites, apps and automations through visual interfaces, without programming.

Explained in Non-technical founder, Build an MVP without coding

Non-compete clause

A contract clause that may, under certain conditions, restrict working for a competitor after you leave.

Explained in Quitting your job to start up

Non-dilutive funding

A resource that does not involve issuing new shares and preserves the founders’ stake.

Explained in Funding without dilution

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Terms starting with P

Persevere

Keep the same strategy and improve execution rather than change the hypothesis.

Explained in Startup pivot

Pivot

A deliberate change of target customer, problem or offer based on what tests have revealed.

Explained in Validate your startup idea, Startup pivot

Post-money

The company’s value just after the round, equal to the pre-money plus the amount invested.

Explained in Valuing your startup

Pre-emption

The shareholders’ priority right to buy the shares another shareholder wishes to sell.

Explained in French SAS with co-founders

Pre-incorporation collaboration agreement

A document signed before the company is set up that lays down the rules for working together, confidentiality and ownership of the work produced.

Explained in Co-founder trial period

Pre-money

The company’s value agreed just before the new investors come in.

Explained in Valuing your startup

Pre-seed

A startup’s very first funding round, before seed, intended to validate the problem and build a first version.

Explained in Pre-seed funding

Preferred share

A share carrying special financial or governance rights, often requested by investors.

Explained in Building your cap table

President

The mandatory executive of an SAS, who represents the company towards third parties.

Explained in French SAS with co-founders

Prêt d’honneur

In France, an interest-free, unsecured personal loan granted to a founder by a support network, often then put into the company.

Explained in Pre-seed funding

Product-market fit

The fit between a product and a market segment, reflected in lasting adoption.

Explained in Reaching product-market fit

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Terms starting with R

Reclassification

A court decision that turns an independent contracting arrangement into an employment contract when a relationship of subordination is established.

Explained in Hiring your first employees

Registered office

The company’s official address, which has legal and tax consequences.

Explained in Remote co-founders

Repayable advance

Funding paid for an innovation programme, to be repaid on the agreed terms if it succeeds.

Explained in Funding without dilution

Retention

The share of users or customers who keep using the product after a given period.

Explained in Reaching product-market fit

Reverse vesting

Setup in which founders own their shares immediately but the unvested portion can be bought back if they leave.

Explained in Co-founder vesting

Runway

How long a person or company can keep going with the money available before running out.

Explained in Founder salary, Startup metrics, Startup pivot

Rupture conventionnelle

In France, a way of ending a permanent employment contract by mutual agreement between employer and employee, following a regulated procedure.

Explained in Quitting your job to start up

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Terms starting with S

Salary

Regular payment for work done for the company, treated as an operating cost.

Explained in Founder salary

Sales cycle

The time between first contact with a prospect and signing.

Explained in Building your go-to-market

SAS

Société par actions simplifiée, a French company form whose organisation is largely set freely in its articles of association.

Explained in French SAS with co-founders, Choosing your legal structure

SASU

An SAS with a single shareholder, which becomes a standard SAS as soon as a second shareholder joins.

Explained in Choosing your legal structure

Secondary sale

The sale of existing shares by a shareholder, for example a founder selling a small portion during a funding round.

Explained in Founder salary

Segment

A group of customers who share a similar need, context and buying criteria.

Explained in Reaching product-market fit

Share capital

The total contributions made by the partners to the company, divided into shares.

Explained in Equity split

Share register

The company document that officially records issues and transfers of shares.

Explained in Building your cap table

Shareholder

A person who owns shares in a company.

Explained in Find a co-founder

Shareholders’ agreement

Contract between shareholders that complements the articles of association and governs their relationship.

Explained in Find a co-founder, Shareholders’ agreement, Business with a friend

SNEE

The French national student-entrepreneur status, which supports students working on a startup project.

Explained in Student entrepreneur

Startup studio

An organisation that creates startups in-house and recruits founders to run them.

Explained in Incubator or accelerator

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Terms starting with T

Technical co-founder

A founding partner responsible for the product and technology, often with the title of CTO.

Explained in Non-technical founder

Technical debt

Shortcuts taken in the code to go faster, which make later changes slower or riskier until they are fixed.

Explained in Non-technical founder

Term sheet

A document summarising the main conditions proposed by an investor before the final documents are drafted.

Explained in Negotiating a term sheet

Trademark

A registered sign that distinguishes a company’s products or services.

Explained in Protecting your idea

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Terms starting with U

University incubator

A support programme attached to a higher education institution and open to its students or alumni.

Explained in Student entrepreneur

Back to the index

Terms starting with V

Valuation

The value given to the company during a funding round, which determines the share of equity the investor receives.

Explained in Finding angel investors

Valuation cap

The maximum valuation used to calculate the conversion, in the investor’s favour.

Explained in Understanding the BSA AIR

Valuation floor

The minimum valuation used to calculate the conversion, in the founders’ favour.

Explained in Understanding the BSA AIR

Value-based pricing

Setting the price from the gain the customer gets rather than from your costs.

Explained in Startup pricing

Vanity metric

A flattering figure that does not support any useful decision.

Explained in Startup metrics

Vesting

Progressive acquisition of shares by a partner over the time they spend in the company.

Explained in Find a co-founder, Equity split, Co-founder vesting

Back to the index

Terms starting with W

Warranties

Commitments made by the company or the founders in the investment agreement about the accuracy of the information provided.

Explained in Preparing for due diligence

Weighted average

An anti-dilution clause that adjusts the investor’s price taking into account the size of the new issue.

Explained in Understanding dilution

Willingness to pay

The maximum price a customer will accept for a product, estimated through tests and real commitments.

Explained in Startup pricing

Wizard of Oz MVP

An MVP whose interface appears automated while requests are actually handled by hand behind the scenes.

Explained in Build an MVP without coding

Working capital requirement

Money tied up by the gap between payments received from customers and the expenses to be paid.

Explained in Writing your business plan

Back to the index

How is this glossary written?

Every definition in the glossary comes from an EasyCofounder guide, where the term is explained with its context, examples and, for legal or tax notions, the official sources consulted.

The definitions are general reference points written by the EasyCofounder team. They do not replace advice from a lawyer or an accountant on a specific situation.

The glossary is updated together with the guides: a term added or corrected in a guide is added or corrected on this page too.