BambooHR tracks PTO fine and has no idea your new Ann Arbor hires need prod access by Monday
Custom HR (Human Resources) software for an Ann Arbor startup runs $40,000 to $130,000 over 3 to 7 months. BambooHR, Workday, Gusto, and ADP are solid systems of record for PTO, payroll, and reviews. They were never built for the thing that actually hurts a fast-scaling startup: onboarding waves of technical hires where the HR record and the systems-access reality must move together. When you hire 20 people in a quarter and provisioning is disconnected from your HR system, custom software that ties employment to access is what closes the gap.
This is the Ann Arbor scaling pain in its purest form: you hire in waves off campus and a fresh raise, and BambooHR dutifully records each new engineer, while a completely separate, manual process decides their Slack, GitHub, AWS, and data-lake access. The HR system says someone started Monday; it has no idea whether they can actually do their job, or whether a departed contractor still has keys. The two halves, the record and the access, live in different worlds and only reconcile by luck.
Workday and BambooHR are systems of record, not provisioning engines. They'll store the org chart and run payroll beautifully, and they'll do nothing to enforce that onboarding a person means granting the right access and offboarding means revoking all of it. So your fastest-growing moment is also your weakest control moment, which is precisely backwards for a company handling AV or biotech data.
The fix: hr built for Ann Arbor, not rented
You go custom when employment and access must move as one. A build for an Ann Arbor startup connects the HR record to provisioning, so onboarding grants the right access by role and offboarding revokes everything, with an audit trail. You keep your payroll and benefits provider and add the layer that makes wave hiring safe instead of risky.
The capability list that earns its budget
What we build under HR in Ann Arbor
Everything an HR build here can cover: leave management, performance management software, custom HR software, HRIS development, payroll software and employee onboarding system.
What hr costs in Ann Arbor
| Project scope | Typical cost | Timeline |
|---|---|---|
| Onboarding-to-access layer over your HRIS | $40k to $70k | 3 to 4 months |
| Full HR and provisioning system with effort tracking | $80k to $130k | 5 to 7 months |
| Offboarding and audit automation only | $30k to $55k | 2 to 3 months |
How long it takes, phase by phase
Exactly what you get
A layer that makes employment and access move together. Concretely: HRIS sync, role-based onboarding that provisions access, automated offboarding that revokes it, effort allocation for grant-funded staff, and an audit log for compliance. You keep your payroll and benefits provider. What you don't get is an HR record that says someone started while three systems quietly never gave them access, or someone left while one system never took it away. This overlaps heavily with internal tools and feeds your accounting software for grant effort reporting.
How to choose a developer in Ann Arbor
Find a team that asks how onboarding and offboarding actually happen today in the first call. If they pitch a full HRIS replacement, they've misread the problem, which is provisioning, not payroll. Ask for a reference connecting an HRIS to identity and access systems. A good partner will build a focused layer over BambooHR or Gusto rather than replacing them, and will share the provisioning logic with your internal tools so there's one access source of truth.
- Onboarding in HR automatically triggers role-based access provisioning across your systems
- Offboarding revokes all access at once, closing the departed-credential gap permanently
- Wave hiring scales without manual provisioning becoming a bottleneck or a security hole
- Effort allocation for grant-funded staff tracked where finance and HR can both use it
- A unified audit trail of employment and access events, ready for SOC 2 or a customer review
- Custom HR tooling competes with product work and needs a clear owner
- You still run payroll and benefits through a provider, so this is a layer, not a replacement
- Integrations to every HR and IT system add scope and ongoing maintenance
- Compliance rules (employment law, benefits) change and the system needs upkeep
- !They propose replacing payroll; ask why, when the gap is provisioning, not payroll
- !They've never linked HR to access; ask for a reference connecting HRIS and identity systems
- !No offboarding automation; ask how revocation works across every system
- !They skip effort allocation; ask how grant-funded staff time is tracked
- !They quote a 3-week build; ask what bidirectional HRIS sync and provisioning involve
Most Ann Arbor teams pricing hr end up comparing notes on pos, warehouse management, helpdesk & ticketing too; the systems share one data spine.
Rohan advises mid-market and enterprise teams on ERP, CRM and custom software, and has led delivery on dozens of business-software builds.
Writes for Digital Heroes, shipping business software for 2,000+ brands across 55+ countries since 2017.
Frequently asked questions
Don't BambooHR and Workday already handle onboarding?
They handle the paperwork and the record. They don't provision systems access or revoke it on departure, which is the part that breaks during wave hiring. The custom layer bridges the HR record to actual access, which is exactly the gap these systems of record leave open by design.
How long before custom Ann Arbor HR software pays for itself?
Often inside a year, between the provisioning time saved during hiring waves and the enterprise deals that hinge on proving access controls. If a security review is blocking a contract, the audit evidence this produces can pay for the build with one unblocked deal.
Should we replace our payroll provider?
Almost never. Payroll, taxes, and benefits are best left to a specialized provider that keeps them compliant. The custom build is the provisioning and effort-tracking layer on top, integrated with your existing HRIS. Replacing payroll adds risk and cost for no benefit to the actual problem.
How does this handle grant-funded staff?
By tracking effort allocation, so the percentage of each person's time charged to a grant is recorded where both HR and finance can use it. That feeds your accounting and grant reporting, which is otherwise a manual spreadsheet. For research-derived companies, this alone can justify the build.