Case study
How a screening provider used AI to revive 7,000 dormant accounts
An AI infrastructure play to scale revenue without scaling payroll.
500/week
overdue accounts now work consistently end-to-end
7,000
dormant reorder clients re-engaged systematically for the first time
Zero
additional AR or SDR headcount required to run both motions
Overview
A U.S.-based background check and drug testing services provider supports a broad customer base, ranging from probation officers and staffing companies to drug testing clinics, behavioral health providers, and construction firms. The business is part of a larger group with multiple ventures, and growth ambitions are tied to a private-equity-backed AI infrastructure agenda. Two operational problems were holding revenue back: a steady backlog of 260 to 500 overdue accounts per week running through a small AR team, and roughly 7,000 dormant reorder clients out of a 10,000-customer base that had gone quiet after COVID and had never been systematically re-engaged.
The company partnered with Squirrels.ai to deploy two AI agents on top of its existing tech stack. An AI AR Collections Specialist now connects to NetSuite via API to pull overdue invoices weekly, consolidating multiple invoices per customer into a single coordinated outreach across email, SMS, and phone. In parallel, an AI SDR is working through the dormant customer list with personalized reactivation outreach about saliva drug tests, private label background checks, and flat-fee staffing offerings, booking demos directly into the sales team’s calendar. The result is a scalable revenue motion that does not require new headcount.
Client at a glance
Industry
Background checks, drug testing, and staffing services
Customer base
Roughly 10,000 reorder clients, with only 2,000 to 3,000 currently active
Target customers
Probation officers, staffing companies, drug testing clinics, behavioral health, and construction
Tech stack
HubSpot CRM, NetSuite, Shopify, Slack, WhatsApp, and Zoom Phone
Overdue volume
260 to 500 overdue accounts per week
Use cases deployed
AI AR Collections Specialist and AI SDR for dormant-customer reactivation
The challenge
The company’s growth strategy required scaling revenue without proportionally scaling payroll. Two specific operational problems were standing in the way.
AR collections at the limit of human capacity
Every week, somewhere between 260 and 500 customer accounts went overdue, and the AR team was struggling to keep a consistent multi-touch follow-up cadence across all of them. Many customers held multiple open invoices simultaneously, and the team’s manual outreach often resulted in repetitive, fragmented contact rather than a single consolidated conversation. Cash flow was suffering, and the leadership team was clear that adding more AR headcount was not the answer.
7,000 dormant reorder customers
Of the company’s 10,000 reorder clients, only 2,000 to 3,000 were still actively buying. The remaining 7,000 had gone quiet, many of them since COVID, despite being existing customers who had previously purchased drug tests and background checks. The team did not have the calling capacity to reach all of them and re-pitch the current product lineup, including newer offerings like saliva drug tests and private label background checks. A massive book of warm-ish leads was effectively sitting idle.
Spam filters, call blocking, and trust
Previous attempts at automated outreach had been frustrated by carrier-level spam labels, network call blocking, and low pick-up rates. Any new system had to actively manage caller ID reputation, rotate numbers when needed, and pair outreach with the right tone of voice so customers did not write off the calls as nuisance contact.
Additional constraints
- Strict customer communication preferences: Do Not Call and Do Not Disturb requests had to be honored automatically.
- Sensitive client data tied to background checks and screening, requiring NDAs and strong data security controls.
- Existing tech stack across HubSpot, NetSuite, Shopify, Slack, and WhatsApp that any new platform needed to work alongside, not replace.
- Sales team needed visibility into AI conversations so reps could follow up on hot leads with full context.
The solution
Squirrels.ai deployed two AI agents that share infrastructure but serve very different revenue motions. Both were trained on the company’s own SOPs and FAQ documents, so the conversations matched the team’s tone and product knowledge.
AI AR Collections Specialist
The agent connects to the company’s NetSuite accounting system via API and pulls a fresh overdue invoice list each week, automatically. It then runs a coordinated outreach sequence across email, SMS, and phone for every overdue customer.
- Multi-invoice consolidation: where a single customer has multiple open invoices, the agent rolls them into one outreach with a single balance summary instead of calling about each invoice separately. This was a specific request from the AR team, and the platform supports it out of the box.
- Auto-stop on response: outreach pauses immediately when a customer pays, promises to pay, or raises a dispute, so no one gets contacted unnecessarily.
- Customer preference rules: Do Not Call, Do Not Disturb, and other opt-out flags are configured up front and respected automatically. Sensitive enterprise accounts can also be excluded from outreach entirely.
- Knowledge base intelligence: the agent answers customer questions in real time using uploaded SOPs and FAQs, rather than escalating every routine question back to the AR team.
- Volume-based pricing: fits the company’s actual weekly volume cleanly, so spend tracks directly to value.
AI SDR for dormant-customer reactivation
The second agent is focused on the 7,000-strong dormant reorder list. It runs personalized, multi-channel outreach to past customers, pitches the current product lineup, and books demos for the sales team.
- Personalized re-engagement: outreach references the customer’s prior product history and pitches relevant new offerings like saliva drug tests and private label background checks.
- Configurable channel mix: for B2B segments where cold calls were known to perform poorly, the agent leans more on email and SMS, with phone reserved for the highest-intent prospects. The mix is tunable per campaign.
- Auto-booked meetings: interested customers receive a meeting link and self-schedule a demo directly into the sales team’s calendar.
- Status updates back to the CRM: contact statuses (interested, meeting booked, not interested) flow back so the sales team has a live signal on the most promising accounts.
Voice quality and customer experience controls
- Upfront AI disclosure: the agent identifies itself as an AI at the start of every call to maintain transparency and trust.
- Branded caller ID: calls display the company name to improve pick-up rates and reduce the chance of being labeled spam.
- Number rotation: multiple outbound numbers are rotated automatically to avoid carrier-level blocking, with each campaign monitored for delivery health.
- No-interrupt windows: the agent can be configured to deliver critical parts of the message without being talked over, which improves comprehension on key points like balance owed or next steps.
Integration with existing tech stack
- NetSuite API integration pulls overdue invoice data into the collections agent automatically each week.
- Sales reps access full call recordings, transcripts, and engagement logs through the Squirrels.ai dashboard so they can prep before following up on hot leads.
- Pilot-first approach: the team is starting with collections, validating ROI, and then expanding to the SDR reactivation campaign in stages.
- NDAs are executed up front, given the sensitivity of background check data, with the platform already operating under similar agreements with major enterprises.
Results and impact
With both agents live, the company is running two new revenue motions that previously did not exist at the required scale, with no incremental hiring.
What changed in the business
- Every overdue account now gets a consistent multi-touch follow-up. Email, SMS, and phone outreach run on a defined cadence rather than depending on whichever AR rep had time that week.
- Multi-invoice customers get one conversation, not five. Consolidated balance outreach reduced repetitive contact and improved the customer experience while still driving payment.
- Dormant revenue is back in motion. The 7,000 previously untouched reorder clients are being worked systematically, with self-booked demos flowing into the sales team’s calendar.
- Sales reps work warm leads, not cold lists. By the time a human follows up, the AI has already qualified interest, surfaced product fit, and logged a full conversation history for context.
- Spam and trust risks are actively managed. Branded caller ID, number rotation, AI disclosure, and DNC compliance keep the outreach effective without damaging the brand.
- Compliance and data security are protected. NDAs are in place, customer preference flags are respected automatically, and sensitive accounts are excluded by rule.
- A foundation for broader AI rollout. Collections and reactivation are the first two motions on a longer roadmap to extend AI into compliance monitoring and workflow automation across departments.
TESTIMONIAL
Why Squirrels.ai
Squirrels.ai deploys AI agents that handle calls, emails, and texts at scale, trained on a company’s own scripts, FAQs, and SOPs. For this company, the platform delivered:
- Two production AI agents (Collections and SDR) running on top of the existing HubSpot, NetSuite, and Shopify stack.
- A clean API integration with NetSuite for weekly overdue invoice pulls, with multi-invoice consolidation built in.
- Full control over compliance: Do Not Call, Do Not Disturb, account-level exclusions, AI disclosure, and call-quality safeguards.
- Volume-based pricing and a pilot-first rollout so each motion could be validated before scaling.
- A foundation for a broader, multi-department AI strategy aligned with the company’s PE-backed infrastructure roadmap.
