Senior-led accounting practice · Twenty years above the snowline

Reach the summit.
We hold the rope below.

A roped, staged ascent through reporting, compliance, strategy and forensic review — every pitch led by a senior partner, every belay anchored in twenty years of work.

Start the climb Read the route card

14,400 ftSummit · forensics

9,200 ftCamp I · strategy

5,500 ftBasecamp · ops

Field briefing
21 May 2026

We move accounting off your back and onto a rope team — books to forensics, basecamp to summit — with senior partners on the lead. You make the climb; we hold the line.

The route
Three pitches · six rope teams

One ascent, climbed in stages.

5,500 ft Basecamp

Operations & the daily ledger

Where every climb begins. Bookkeeping, reconciliations, payroll, AP and AR oversight, fixed assets and intercompany — held to a ten-day close, every month, without exception. The ground we will not give back.

Daily bookkeeping Bank & account reconciliations AP / AR oversight Payroll administration Expense management Fixed assets · intercompany

9,200 ft Camp I

Compliance & strategy — the headwall

The pitch most teams underestimate. Grant tracking, tax compliance, audit liaison year-round, and the budgets and forecasts your board actually uses. Set the anchors here and the summit is half-won.

Grant & restricted-fund tracking Audit liaison · year-round Functional expense allocations Tax compliance & filings Budgets & cash forecasting Board financial presentations Long-term sustainability

iii

14,400 ft Summit

Forensics, systems & leadership access

The exposed pitches. Risk-focused forensic review, systems work that holds for years, and direct partner access on calls with your board, donors, auditors and lenders. The work that's hardest to find — and hardest to fake.

Risk-focused forensic services Internal-control reviews ERP & ledger implementation Workflow automation Reporting infrastructure Board & donor presentations Lender & auditor liaison

Why a guide service

Accounting is not a destination. It's the line you keep on the mountain.

We have done this work for twenty years, in four sectors, across hundreds of organizations. The pattern is always the same: the firms that move fastest are the ones whose books are quietly, continuously correct.

— Audit prep cut in half. Closes inside ten days. Senior partners on the rope, every pitch.

Expeditions completed
Twenty years · four faces

The faces we have climbed.

Non-Profit

Restricted-fund tracking, Form 990, functional-expense allocations and donor-ready financials that unlock future giving.

142Organizations

Private

Owner-operator reporting, tax planning, distribution rhythms and family-office governance — calibrated to a closely-held balance sheet.

86Engagements

Public

SOX-aware controls, quarterly disclosure cadence and audit-readiness held through the year — not built up at quarter-end.

38Engagements

Manufacturing

Standard costing, inventory reconciliation, intercompany flows, and capex tracking for operations with real things moving through them.

54Engagements

Three commitments
Stamped on every engagement

The marks we leave at the summit register.

Marker · i

Ninety-day satisfaction review

If the fit is wrong inside three months we put a corrective plan in writing — or you may walk, no penalty and no exit fee.

Marker · ii

Ten-day benchmark close

Financials tied out and delivered within ten business days of month-end. Every month. If we miss, the month is on us.

Marker · iii

Leadership on the rope

A senior partner is named on every engagement and reachable directly — no queue, no junior, no callback in forty-eight hours.

Trailhead
Begin the climb

Tell us what you are climbing toward.

Direct line

support@sls.com
847.454.4725

Hours

Monday – Friday, 7:30am – 6:00pm CT.
Senior partners on call outside hours during audit & close.

Response time

One business day to a substantive reply.
Two business days to a scoped proposal.

Office

220 N. Smith St., Suite 402
Palatine, Illinois 60067

Reach the summit.We hold the rope below.