SLA between marketing and sales: the agreement that defines quantity, quality and response time

An SLA between marketing and sales is the formal agreement between the two areas that defines the minimum quantity and quality of leads, the sales team's maximum response time and the criteria that say when a lead stops belonging to marketing and starts belonging to sales. It is a written agreement about process and working culture between the two areas, the kind that many operations already discuss by word of mouth every month, without ever recording it.

The result of not having this agreement is always the same kind of meeting. Marketing shows the volume of leads generated in the month. Sales answers that most of them were not ready to buy. Neither side is lying, they are just using different criteria for the same word. An SLA between marketing and sales exists so that the two areas use the same criterion before the meeting happens, not during it.

Why an SLA between marketing and sales prevents the monthly tug of war

Friction between marketing and sales almost never comes from ill will. It comes from two areas measuring success in different ways: marketing is evaluated on the volume of leads it delivers, sales is evaluated on the sales it closes. Without an agreement in the middle, each area optimizes for its own number, and the handoff point between them becomes the place where responsibility gets lost.

The concept of a service level agreement was not born in marketing, it came from areas like IT, which have used SLAs for support deadlines for decades. HubSpot's guide to marketing and sales SLAs describes this same logic applied to the handoff of leads: a mutual commitment, with responsibility on both sides, not one team demanding things from the other.

The four components of a simple agreement

A marketing and sales SLA does not need dozens of clauses. Four points, agreed and written down, already solve most of the common friction:

• Minimum quantity of leads: the volume that marketing commits to deliver per month, within the agreed quality criterion, counting only the contacts that have already passed the filter.
• Minimum quality: the profile and behavior criteria that define an MQL, and what needs to happen for it to become an SQL and enter the sales queue.
• Maximum response time: how long the sales team has to make the first contact after a lead crosses the SQL criterion.
• Review cadence: how often the two teams sit down to check whether the criteria still make sense, with the data the funnel has already generated.

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Quantity and quality: what marketing guarantees

The quantity part is usually easy to agree on: a number of leads per month, historically sustainable given the investment and the channel. The quality part is where most SLAs fail by being too vague: “qualified lead”, with no recorded criterion, becomes each salesperson's opinion. The real criterion combines profile (job title, company size, industry) with behavior (requested a demo, visited the pricing page more than once), as we already explained in the article on lead scoring: when both axes cross the agreed threshold, the lead becomes an SQL and responsibility passes to sales.

This is the point where the SLA and the qualification criterion meet: the SLA records the threshold that the two teams already agreed separates an MQL from an SQL, so that it stops being decided case by case.

Maximum response time: what sales guarantees

On the sales side, the equivalent commitment is response time. The sooner the first contact happens after the lead crosses the SQL criterion, the greater the chance of speaking to them while their interest is still present. A lead who asked for a demo in the morning and only gets a reply two days later has usually already solved the problem alone, with a competitor or on their own.

Defining this deadline in hours or business days, and measuring how often it is met, takes the discussion out of the realm of feeling and puts it in the realm of agreed data. The right number varies by operation and by sales cycle; what matters is that there is an agreed deadline, and not an “as fast as possible” that each salesperson interprets their own way.

Review cadence: the SLA is not a document signed once

The most common mistake after closing an SLA is treating it as final. The qualification criteria that made sense at a product launch are rarely still correct six months later, when the funnel has already generated a history of which profiles actually became customers. It is the same logic as building a unified marketing and sales funnel: the boundary between the areas is an agreement that adjusts with data, not a rule carved in stone at the first meeting.

A monthly or quarterly review cadence, with both teams looking together at how many leads met the criterion, how many became opportunities and how many sales discarded by profile, is what keeps the SLA relevant. Without this review, the original agreement ages in silence until someone notices, months later, that it no longer describes the real operation.

How to formalize it without turning it into bureaucracy

A simple SLA between marketing and sales fits on one page, with the four points above in direct language and signed by both managers. It does not need a legal contract or committee approval, it just needs to exist in writing, in a place both teams consult, so it no longer depends on the memory of whoever was in the room when the agreement was made. It is also what supports a real RevOps operation: alignment between areas only works when the handoff criterion is written down and both sides see the same data.

Frequently asked questions

Who should propose the SLA between marketing and sales, marketing or sales? Either one can start the conversation, but the agreement only works when it is written by both sides together. Marketing usually knows which actions on the site indicate interest; sales knows which leads have historically closed deals, and the agreed quality criterion needs both views.

What should you do when sales cannot meet the agreed response time? It is information for the next SLA review, not a reason to abandon it. Either the volume is above the team's real capacity, or the deadline was defined without considering the operation, and both cases call for an adjustment at the next review, not silence.

Is a marketing and sales SLA the same thing as lead scoring? No. Lead scoring is the method that calculates the profile and behavior score of each lead; the SLA is the agreement that uses that result to define volume, response time and review cadence between the two areas.

Is it worth having an SLA in a small operation, with few leads per month? It is, and it is usually simpler to write: with less volume, the two teams can agree on criteria by looking at their own recent leads, without needing any tool to get started.

The SLA between marketing and sales does not eliminate friction between the areas, but it takes the discussion out of the realm of opinion and puts it in the realm of the recorded agreement. When the quality criterion is already agreed and is the same on both sides, it also becomes easier to automate the classification of each lead as soon as it enters. Discover Laiki's Lead Scoring feature (Beta) and see how to apply that criterion directly to the data your operation already collects.