Digital buyer journeys
What digital buyer journeys means for buyers and exhibitors in this sector.
Event overview
Overview
The Pacific Northwest Regional State Tax Seminar 2026 is a key event for tax professionals, providing critical updates and discussions on state tax policies.
Scheduled for October 22, 2026, at the Microsoft Corporation Campus in Redmond, Washington, this seminar will feature expert speakers and offer networking opportunities for attendees.
Organised by the Council On State Taxation (COST), the seminar aims to address the multistate tax needs of its members.
TL;DR
- 1Dates and Venue: The Pacific Northwest Regional State Tax Seminar 2026 takes place on October 22, 2026, at Microsoft Corporation Campus in Redmond, Washington.
- 2Organiser: The event is organised by the Council On State Taxation (COST), a leading voice in state tax policy.
- 3Registration: For more details and to register, visit the official COST website.
- 4Location: Pacific Northwest Regional State Tax Seminar 2026 takes place in Redmond, United States. Venue: Microsoft Corporation Campus. Scheduled 2026-10-22.
Why visit
Attend if you manage state and local tax exposure for a multistate business and want a concentrated day on the policy and compliance issues that change filing positions, reserves, and audit risk. Target Audience: Attendees include tax professionals, corporate tax managers, and state tax policymakers.
Why exhibit
Exhibiting or sponsoring at this COST seminar gives tax technology, advisory, and legal providers a room of corporate tax decision-makers rather than a broad public audience. The event is organised by the Council On State Taxation (COST), a leading voice in state tax policy.
Attendees, exhibitors & solutions
Who this event is for
Visitor profile
Typical attendee groups you can expect to meet.
State and local tax directors and managers at multistate corporations
Corporate tax counsel and legal teams handling SALT controversy and appeals
Sales and use tax compliance leads responsible for exemption certificates and taxability matrices
Income and franchise tax managers working on apportionment, nexus, and state filings
Tax technology and ERP professionals supporting determination, reporting, and audit evidence
Indirect tax analysts from technology, retail, manufacturing, and business services companies
Public accounting and advisory professionals serving corporate SALT clients
Government affairs and policy staff tracking state tax legislation
Exhibitor profile
Main supplier and exhibitor segments present at the show.
Sales and use tax determination and compliance software vendors
SALT advisory and public accounting firms
Law firms with state tax controversy and unclaimed property practices
Credits and incentives consultancies
Unclaimed property and escheat service providers
Tax data, automation, and ERP add-on providers
Legislative and regulatory tracking services for state tax
Professional education and certification providers focused on state and local tax
Product categories
Key solution areas showcased across the event.
Sales and use tax determination engines
Exemption certificate management
Nexus and jurisdiction tracking
Taxability matrix and research platforms
Income and franchise tax compliance software
Unclaimed property and escheat compliance
Credits and incentives advisory
SALT controversy and audit defense services
Tax automation for ERP, billing, and procurement systems
Legislative and regulatory tracking for state tax
Location & Facilities
Venue
Microsoft Corporation Campus
Microsoft Corporation, One Microsoft Way, Redmond, WA 98052, United States
Facilities
Parking
Microsoft Corporation Campus in Redmond typically provides on-site or adjacent visitor parking during major trade fairs; confirm daily rates, payment methods and hall access on the organiser or venue website before travel.
Food options
On-site catering
On-site diningParking: Microsoft Corporation Campus in Redmond typically provides on-site or adjacent visitor parking during major trade fairs; confirm daily rates, payment methods and hall access on the organiser or venue website before travel.
Gate: Follow organiser signage to the main visitor entrance at Microsoft Corporation Campus for badge collection; allow extra time for security screening during peak morning arrival.
Attend
Entry & tickets
Who runs the show
Organisers
Practitioner Partners
Organiser
Intelligence
Market context
Key market insights, trends, news and related events to help you understand the bigger picture.
Redmond, United States
Why it matters
On 2026-10-22 to 2026-10-22, Pacific Northwest Regional State Tax Seminar 2026 in Redmond covering State tax compliance software, Tax advisory services, Educational resources for tax professionals, Tax policy research a gives technology buyers a single calendar window to compare suppliers, validate specs on the stand, and book follow-ups before the next buying cycle - especially when your roadmap matches the published exhibitor profile.
Industry trends
Key trends shaping this market and its wider industry.
Sustainability in procurement
What sustainability in procurement means for buyers and exhibitors in this sector.
Automation and labour efficiency
What automation and labour efficiency means for buyers and exhibitors in this sector.
Regional supply-chain resilience
What regional supply-chain resilience means for buyers and exhibitors in this sector.
Hybrid engagement models
What hybrid engagement models means for buyers and exhibitors in this sector.
Plan your trip
Travel & logistics
Local currency · USD
Arrival airports
Choose from the following airports, with convenient access to the event and venue.
Seattle-Tacoma International Airport
Primary commercial gateway for Redmond, Washington. Link light rail reaches Redmond Technology station with a transfer or local bus for the last stretch; taxi and rideshare are direct options
TBA
to venue
Approx. 35-50 minutes by car to Redmond depending on traffic; confirm live travel times
by car
Hotel tiers
A range of accommodation options near the venue and across key areas.
Extended Stay America Suites - Seattle - Redmond
budget
RedmondUSD 95–130 / night
2-star extended-stay property listed on Google Hotels for Redmond with free breakfast, free Wi-Fi, free parking, kitchen in rooms and airport shuttle; 22% below its usual rate at capture time.
WoodSpring Suites Seattle Redmond
budget
RedmondUSD 115–145 / night
2-star all-suite property in Redmond with free Wi-Fi, free parking, fitness center, breakfast and kitchen in rooms; guest reviews highlight proximity to grocery, retail and restaurants.
Redmond Inn
midscale
RedmondUSD 175–220 / night
3-star hotel listed for Redmond with free breakfast, free parking, pool, hot tub and fitness center; described as a quiet location near stores and restaurants and priced about 23% below its usual rate at capture time.
Hilton Bellevue
upscale
BellevueUSD 140–190 / night
3-star eco-certified hotel in nearby Bellevue with outdoor pool, hot tub, fitness center, bar and parking; a common choice for Redmond campus visitors coming from the Seattle side.
Sonesta Select Seattle Bellevue Redmond
midscale
Bellevue-Redmond corridorUSD 175–220 / night
Listed among Redmond-area results for the 22-23 October 2026 stay window; sits on the Bellevue-Redmond corridor between the two employment districts.
Local transport
Get around the city with these convenient transport options.
Light rail (Link)
Estimated costUSD 2.50-6 single metro/light-rail journey (contactless)
Best forRedmond Technology station - campus district
Redmond Technology station is the light rail stop serving the Microsoft campus area; onward bus or shuttle covers the last stretch.
Local bus
Estimated costUSD 2.50-6 single metro/light-rail journey (contactless)
Best forRedmond - Microsoft campus
Bus routes and timetables between Redmond and the Microsoft campus are mapped on Rome2Rio and Moovit; check the operator timetable for the 22 October 2026 service pattern.
Microsoft shuttle
Estimated costComplimentary where access is granted - confirm eligibility
Best forCampus connector
Microsoft operates an internal shuttle network around its Redmond campus; availability to external event attendees should be confirmed with the organiser.
Taxi / rideshare
Estimated costApprox. USD 10-25 depending on pickup point - confirm in app
Best forRedmond hotels - Microsoft campus
Short hops within Redmond are inexpensive; trips from Bellevue hotels cost more.
taxi
Estimated costApprox. USD taxi/rideshare from SEA to venue (estimate; confirm before travel)
Best forSeattle-Tacoma International Airport (SEA) to Microsoft Corporation Campus
taxi
Estimated costApprox. USD taxi/rideshare from RDM to venue (estimate; confirm before travel)
Best forRedmond Municipal Airport (Oregon) (RDM) to Microsoft Corporation Campus
Weather
Open-Meteo outlook for 22 October 2026 in Redmond: overcast, highs near 15 C and lows near 6 C. This is a forecast from a public weather API, so re-check a few days before travel. Air quality forecast at capture time showed US AQI around 61 with PM2.5 near 10.4 micrograms per cubic metre; sensitive attendees should check local advisories.
Plan for the climate
Check temperatures and pack accordingly
Venue connectivity
Confirm mobile roaming or a local SIM for business visitors to the United States.
Ride-hailing
Taxis
Public transit
Car rentals
Cultural notes
Useful information to help you have a smooth and respectful visit.
Business dress
Pacific Northwest corporate meetings favour business casual; a jacket is optional unless you are presenting.
Arrival and access
The Microsoft campus is a secured corporate site - carry photo ID and confirm visitor registration and building access with the organiser before arrival.
Currency and tipping
Prices are in US dollars; card payment is standard and 15-20 percent tipping is customary for table service.
Practical guides
Visitor & Exhibitor Essentials
Everything needed to arrive prepared, navigate the event, and make the visit productive.
Flights
Book into Seattle-Tacoma (SEA); Redmond Municipal (RDM) is in Oregon and serves a different city. Flight capture rows returned generic Google Flights sampling for other city pairs, so no reliable fare quotes for the October 2026 travel window could be extracted. Confirm schedules and fares directly with airlines or the Google Flights search used for this capture.
Transport
Get to the venue and around the city with these options.
Airport → venue: Primary gateways: Seattle-Tacoma International Airport: Approx. 35-50 minutes by car to Redmond depending on traffic; confirm live travel times. Allow road or rail time to Microsoft Corporation Campus; on-site parking is usually available at major exhibition venues.
Hotel → venue: Precinct hotels near Microsoft Corporation Campus: Redmond: Extended Stay America Suites - Seattle - Redmond; Redmond: WoodSpring Suites Seattle Redmond; Redmond: Redmond Inn.
Ride-hail: Ride-hailing apps are commonly used in Redmond; confirm local availability before travel.
Public transit: Link light rail reaches Redmond Technology station in the campus district, and local bus routes plus the Microsoft shuttle network cover the final leg. Moovit and Rome2Rio list the bus options from Redmond town centre to the Microsoft campus.
Parking: On-site parking is available at Microsoft Corporation Campus; confirm daily rates and hall access on the organiser or venue site.
Weather
Plan and pack for the event climate.
Month: October 2026
Temperature: Highs near 15 C, lows near 6 C (Open-Meteo forecast for 22 October 2026; forecast, not a climate norm).
Seasonality: Late October in Redmond is typically overcast; the captured forecast for 22 October 2026 shows cloud cover, so plan for damp, cool conditions rather than summer warmth.
Packing: Bring a light waterproof layer and a warm mid-layer for a 6-15 C day, plus comfortable shoes for walking between campus buildings. Indoor meeting rooms are heated, so dress in layers.
Plan your trip
Planning
Best day to visit: Day 2 (mid-show)
Mid-show days at Pacific Northwest Regional State Tax Seminar 2026 usually combine full exhibitor attendance with scheduled B2B meetings, before early pack-down on the final day.
T-1
Day -14: Confirm your registration status, fee, and any COST member-only eligibility on cost.org; do not book non-refundable travel until confirmed.
T-2
Day -12: Book a refundable hotel in Redmond or the Bellevue-Redmond corridor; planning bands run from roughly USD 95-145 for budget rooms to USD 140-220 for midscale and upscale rooms.
T-3
Day -10: Compare flights into Seattle-Tacoma International Airport (SEA) and allow roughly 35-50 minutes by car to Redmond, or plan to use Link light rail to Redmond Technology station.
T-4
Day -7: Check the final venue address and room on cost.org; logistics context points to Microsoft Corporation Campus.
T-5
Day -5: Download a transit app and check Link light rail and local bus schedules for 22 October 2026.
T-6
Day -3: Re-check the Open-Meteo forecast: overcast, high near 15 C, low near 6 C; pack a layer and a compact umbrella.
T-7
Day -2: Prepare 3-5 live SALT questions on nexus, apportionment, sales and use tax, credits, or audit defense so you can use peer and adviser conversations well.
T-8
Day -1: Charge devices, save your registration confirmation, and confirm taxi, rideshare, or shuttle options from your hotel.
Day 0
Arrive early, carry ID and business cards, and ask COST staff about any member-only sessions or follow-up materials.
Sample visitor itinerary
Route-optimised day
Day 1 · morning
Registration and hall orientation at Microsoft Corporation Campus
Day 2 · core sessions
Supplier meetings and product demos
Day 3 · wrap-up
Final negotiations and follow-up
Networking spots
2Pacific Northwest Regional State Tax Seminar 2026 registration concourse
Microsoft Corporation Campus
Central meeting point before and between hall appointments during show days.
Organiser B2B lounge (if offered)
Microsoft Corporation Campus
Hosted matchmaking and buyer programmes when published by the organiser.
Budget
Costs & budget
Build your working budget
Adjust the inputs below to create a directional event budget.
Estimated budget
Live estimate
- Hotel × 2 nights$230.00
- Per diem × 2$150.00
Estimated total$380.00
This is a directional estimate. Please verify live rates before booking.
Decision
Visit, exhibit, or skip?
Should you go?
Use this quick check to decide whether Pacific Northwest Regional State Tax Seminar 2026 fits your visit, exhibit or skip plan.
QUESTION 1 OF 6
For Pacific Northwest Regional State Tax Seminar 2026, what is your primary role on the show floor?
Decision matrix
Compare participation options side by side to choose the best fit for your objectives.
visit
Your category focus and target suppliers align with the official exhibitor profile.
Best for
Buyers, engineers, and delegates sourcing State tax compliance software and Tax advisory services solutions and benchmarking suppliers at Pacific Northwest Regional State Tax Seminar 2026 in Redmond.
Min. budget
$590.00
Timeline
4-8 weeks before opening day for registration, hotels, and travel.
Risks
Session times and ticket tiers may change - confirm the official agenda before booking.
exhibit
You have a defined lead-generation or distributor recruitment goal for this market.
Best for
Brands and manufacturers launching State tax compliance software and Tax advisory services products who need qualified meetings with the event's trade audience.
Min. budget
$2,655.00
Timeline
3-6 months for stand booking, freight, staffing, and pre-show marketing.
Risks
Booth pricing and corner premiums vary by hall - confirm with the organiser sales team.
skip
Audience, geography, or commercial goals do not justify travel and stand costs this cycle.
Best for
Teams with weak category fit, budget constraints, or overlapping commitments during the Redmond show week.
Timeline
N/A
Risks
Skipping may mean missing buyer meetings if competitors exhibit or attend the same week.
FAQs & glossary
Answers
Frequently asked
What is this COST seminar?
It is a Council On State Taxation (COST) seminar for state and local tax professionals, listed for Redmond, Washington on 22 October 2026. Current event copy describes a programme focused on current state tax issues and policies; check cost.org for the final agenda and speaker list.
When and where is the event?
The listed date is 22 October 2026 in Redmond, Washington. Logistics context points to Microsoft Corporation Campus, but confirm the exact building and room on cost.org before travelling.
Who should attend?
Corporate SALT directors and managers, sales and use tax compliance leads, income and franchise tax managers, tax counsel, tax technology staff, and advisers serving corporate taxpayers. It is not positioned as a general finance or accounting conference.
What state tax topics are likely to come up?
Expect current state tax policy and compliance issues. Sector-appropriate workstreams include nexus, apportionment, sales and use tax, taxability matrices, exemption certificates, credits and incentives, unclaimed property, and audit defense. The final programme is set by COST.
How do I register, and is it open to non-members?
Registration is handled on cost.org. The official crawl did not expose a registration page, so confirm eligibility, fee, and deadline directly with COST. Some COST events are member-focused, so do not assume a non-member place is available.
How do I get to Redmond from Seattle-Tacoma International Airport?
SEA is the primary commercial gateway shown in the logistics evidence. Link light rail reaches Redmond Technology station in the campus district, with a local bus or shuttle for the last stretch. Taxi and rideshare are direct options; allow roughly 35-50 minutes by car depending on traffic and confirm live travel times.
Where should I stay?
Redmond has budget extended-stay and midscale options, while Bellevue adds upscale choices on the Seattle side. Planning bands in this listing run from about USD 95-145 per night for budget properties to about USD 140-220 for midscale and upscale rooms, subject to live rates and cancellation terms.
What will the weather be like?
The Open-Meteo outlook for 22 October 2026 in Redmond is overcast, with highs near 15 C and lows near 6 C. Treat this as a public forecast estimate and re-check a few days before travel.
Is parking available at the venue?
Logistics context says on-site parking is available at Microsoft Corporation Campus. Confirm daily rates, garage access, and any event-specific parking instructions with the organiser or venue before driving.
Can my company exhibit or sponsor?
COST seminars can offer sponsor or exhibitor visibility, but packages vary. Ask COST for a written prospectus, deliverables, and pricing. Do not budget for booth space or assume a table is included without a written quote.
Glossary
- COST
- Council On State Taxation, a trade association representing corporate taxpayers on state and local tax policy and the organiser of this Redmond seminar.
- SALT
- State and local tax, the umbrella term for US state, county, and city taxes handled by corporate tax teams.
- Nexus
- The connection between a taxpayer and a state that gives the state authority to impose a tax; it can be physical or economic.
- Economic nexus
- A post-Wayfair standard that can create tax obligations based on sales, revenue, or transaction thresholds even without physical presence.
- Sales and use tax
- A consumption tax on retail sales, paired with a use tax that generally applies when a seller does not collect sales tax at the point of sale.
- Apportionment
- The formula a multistate business uses to divide income among states, often based on property, payroll, and sales factors.
- Sourcing
- The rules that decide which state or local jurisdiction a sale or use belongs to for tax purposes.
- Taxability matrix
- A state-by-state reference showing whether specific products or services are taxable, exempt, or subject to reduced rates.
- Exemption certificate
- Documentation a buyer provides to support a tax-exempt sale, such as a resale or manufacturing exemption.
- Credits and incentives
- Statutory or negotiated tax benefits tied to investment, jobs, research, or location decisions.
- Unclaimed property
- Dormant financial liabilities, such as uncashed payroll or vendor checks, that states require holders to report and remit under escheat laws.
- Voluntary disclosure agreement
- A program that lets a taxpayer disclose past unremitted tax liabilities to a state, often with penalty relief and a defined lookback period.
- Audit defense
- The process of preparing for and responding to a state tax examination, including documentation, taxpayer interviews, and appeals.
- Gross receipts tax
- A tax on a business gross receipts rather than net income or retail sales, used by some states and localities.
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Also known as
Alternate names and search phrases for this event.
- Pacific Northwest Regional State Tax Seminar 2026 Redmond
- Pacific Northwest Regional State 2026
- Pacific Northwest Regional State Redmond 2026
- Tax Seminar Redmond 2026
- Redmond United States
- State tax compliance software
- Tax advisory services
- Educational resources for tax professionals
- Tax policy research and analysis tools
- Trade show B2B Trade Expo Redmond
2 more alternate names hidden
Digital business cards for the show floor
Display a free company card at your booth, or share your professional card on the show floor.