Bookkeeping · Accounting · Web Design
SITTERLY
Financial Design
Profit over popularity.
We handle the numbers and the narrative — bookkeeping, accounting, and web design for businesses serious about growth.
What We Do
Three disciplines,
one firm.
Most businesses treat their books and their brand as separate problems. We treat them as the same opportunity. Choose a tab.
Clean books, clear mind.
Monthly reconciliation, categorization, and reporting so you always know where your money stands. We handle the details — you make the decisions.
Numbers that tell the truth.
Tax preparation, strategic planning, and financial advisory rooted in accuracy. We don't just file — we help you build a profitable business structure.
Presence that performs.
Websites built to convert, not just to exist. Professional design that reflects the quality of your work and turns visitors into paying clients.
How It Works
Simple.
Structured.
Systematic.
We don't keep you guessing. Our four-step process moves from discovery to ongoing partnership in weeks, not months.
Discovery
We start with a free strategy call to understand your business, your goals, and where your finances currently stand.
Proposal
You receive a clear, flat-rate proposal — no hourly surprises. Every service is scoped before work begins.
Onboarding
We collect access to your accounts, sync your software, and establish your baseline within two weeks.
Ongoing
Monthly deliverables, real-time communication, and quarterly strategy sessions. You're never in the dark.
Business News
Headlines.
business headlines, row one
BBC
AI could cause global economic downturn, Andrew Bailey warns G20
BBC
Kushner states regret over World Cup sell-off plan
BBC
'My parents won't lend me £10k but helped my brother': When families play financial favourites
BBC
How the US-Canada trade war is being felt on both sides of the border
BBC
Trump hails 'historic' deal to control 65 billion barrels of Venezuelan oil
BBC
Fed has 'work to do' if price rises don't ease for Americans, Warsh says
BBC
Wife of man who died after turbulence sues airline
BBC
I was spending £700 a month: How I beat my late-night shopping addiction
business headlines, row two
NYT
IRS Audit Revenue Has Plummeted Under Trump, Watchdog Finds
NYT
Kalshi Permanently Bars George Santos From the Platform
NYT
Private Equity Wants to Invest in College Sports. Some Schools Are Wary.
NYT
U.S. Start-Up and Saudi Arabia Form Data Center Partnership
NYT
Global Oil Price Rises to $90 a Barrel After U.S. and Iran Trade Attacks
NYT
Europe Protests as U.S. Invites Russian Minister to G20 Finance Meeting
NYT
A $480,000-a-Year Pill Reflects a New Normal for Cancer Drugs
NYT
A Half-Price Luxury E.V. Comes With a Big Asterisk
Calendar
Tax deadlines
Upcoming federal calendar-year dates, moved forward when they fall on a weekend.
Tue, Sep 15, 2026
Q3 estimated tax and extended entity returns
Third-quarter estimates, plus extended Form 1120-S and Form 1065.
Thu, Oct 15, 2026
Extended individual and C corporation returns
Extended Form 1040 and Form 1120.
Fri, Jan 15, 2027
Q4 2026 estimated tax
Form 1040-ES / Form 1120-W fourth-quarter payment.
Mon, Feb 1, 2027
Wage and 1099 copies to recipients
Furnish W-2s and most 1099s to workers and vendors.
Mon, Mar 15, 2027
S corporation and partnership returns
Form 1120-S and Form 1065 for calendar-year entities, or file an extension.
Thu, Apr 15, 2027
Individual returns and Q1 estimated tax
Form 1040, first-quarter 1040-ES, calendar-year Form 1120, and prior-year IRA/HSA contributions.
Tue, Jun 15, 2027
Q2 estimated tax
Second-quarter Form 1040-ES / Form 1120-W.
Wed, Sep 15, 2027
Q3 estimated tax and extended entity returns
Third-quarter estimates, plus extended Form 1120-S and Form 1065.
Our Philosophy
Pretty content
doesn't pay
the bills.
At Sitterly Financial Design, we cut through the noise. We don't care about vanity metrics. We care about your margin, your tax position, and your conversion rate — in that order. Business is simple: you need accurate books, a sound financial strategy, and a professional presence that earns trust. We deliver all three.
About Scott and Mara— SFD
Get Started
Let's talk
numbers.
Whether you need clean books, a smarter tax strategy, or a website that earns its keep — the first conversation is free.