SQL Server Consultants in Denver, CO

Queries that crawl, backups nobody has actually tested, a licensing bill that climbs at every renewal? Our senior-only DBAs stand behind Front Range teams, track down the true root cause, and prove each fix with before-and-after numbers you can check for yourself. SQL Server is all we do.

4.9 rating
120+ reviews
15+ yrs avg DBA experience
15-min emergency response (covered clients)

Talk to a senior DBA

This field is for validation purposes and should be left unchanged.

A senior DBA reads this (not a sales rep) and replies within one business day. No obligation.

You see the findings and the price before you commit.

By clicking, you agree to our Terms of Use and Privacy Notice.

Questions? Reach a senior DBA directly at 1-877-891-1870

SQL Server consulting in Denver: the short answer

Red9 runs senior-only SQL Server consulting, performance tuning, managed DBA services, and emergency response for companies across the Denver metro and the Front Range, from downtown and the Denver Tech Center out to Aurora, Boulder, and Littleton. SQL Server is the one engine we touch, and each engagement kicks off with a free 145-point health check. Our book runs to 120+ clients, from seed-stage startups to the Fortune 100; Managed Services and Emergency Services clients get a production incident answered within 15 minutes, and each fix ships with numbers taken before and after the work.

Want a SQL Server consultant close to home in Denver? Book your free assessment.

Trusted by 120+ companies, from startups to the Fortune 100 · Microsoft SQL Server Specialists

Siemens logo Coca-Cola logo NCR logo Sony logo Brandeis University logo
Built for Denver

From Aerospace to the Oil Patch: Denver's SQL Server Workloads

The Front Range economy leans on data that is both regulated and heavy: aerospace programs, energy operators, telecom platforms, and hospital systems all sit on SQL Server, and each feels it the moment the database starts to lag. Those systems are exactly where our DBAs spend their days.

Aerospace & Defense

Denver holds one of the country's densest aerospace clusters. Lockheed Martin Space runs its main campus in Littleton, Ball Aerospace builds spacecraft out of Broomfield, and Buckley Space Force Base sits in Aurora, much of the work bound by ITAR export controls. We tune the databases behind engineering, telemetry, and program data while every login stays inside your controlled boundary.

Energy: Oil, Gas & Renewables

The metro is an energy headquarters town. Operators working the DJ Basin (Denver-Julesburg) keep well, production, and land data on SQL Server, and a fast-growing set of wind and solar developers along the Front Range does the same. We keep those high-volume production and reporting databases quick when drilling and generation data floods in.

Telecom & Technology

Denver is a telecom and software center. DISH Network is headquartered in Englewood, Lumen Technologies runs major operations in the metro (the former Level 3 Communications was based in Broomfield), and a deep startup scene fills RiNo and downtown. We size and tune SQL Server so it holds up as subscriber and event traffic climbs, on premises, on Azure, or on AWS.

Healthcare & Bioscience

A large healthcare and bioscience economy anchors the region. UCHealth, the Anschutz Medical Campus in Aurora, and National Jewish Health run clinical, research, and claims data under HIPAA, where a slow query becomes a care-delivery problem. We make the clinical and reporting databases behind that work faster, with every login kept tight and audited.

We work with businesses across the metro: Denver, Aurora, Boulder, Lakewood, Centennial, Littleton, Arvada, and Broomfield, and statewide across Colorado, including Colorado Springs, Fort Collins, and Grand Junction, over secure remote access. Engagements run on your calendar, in Mountain business hours.

What we do

Our SQL Server Services in Denver

SQL Server Consulting ➜

Principal-level input for a Denver team facing a call on architecture, performance, cost, or how the system scales. We come in while the decision is still cheap to get right, ahead of the rebuild it turns into later.

From $4,995 / 20-hr block (hours do not expire)

Managed Services & Remote DBA ➜

A remote DBA bench for Denver teams that would rather not staff the role in-house. Senior administrators watch, patch, and run your SQL Server day to day, so nobody on your side is the one getting paged at 2am.

From $395 / mo

Emergency Support ➜

When production stalls or drops, you reach an engineer who has already beaten this failure mode, with a 15-minute response for Managed Services and Emergency Services clients.

From $2,500 / incident

Performance Tuning ➜

We hunt the queries and indexes eating CPU, IO, and wall-clock time, then rewrite them. We log the numbers before we touch a thing, then log them again once it is done.

Migrations & Upgrades ➜

We move you to a current release, to Azure SQL, or to AWS RDS, without an outage your customers would notice. SQL Server 2016 loses extended support on July 14, 2026, and 2017 follows in October 2027, so we map the move before the deadline forces your hand.

Health Checks & Audits ➜

A free, read-only 145-point health check over configuration, backups, security, and performance, returned as a fix list ranked by impact. Fire off that identical check against your own box whenever it suits you.

HA / DR: Always On, Clustering & Replication

HA/DR that genuinely recovers when the moment comes, proven against the runbook before you ever have to lean on it. We build and tune Always On Availability Groups and clustering, then layer on log shipping, replication, and Change Data Capture (CDC) for the times when only the rows that changed have to move.

AI Readiness, Analytics & Data Warehousing

Readiness work for the database behind the assistants your team wants to wire up, ChatGPT (OpenAI) and Claude (Anthropic), plus the RAG pipelines, vector search, and analytics load those tools drop on SQL Server. When reporting starts to hurt, we shift the production offload, SSRS reports and Power BI datasets included, into Snowflake, Redshift, or whichever warehouse you already run.

What clients say

What Teams Across the West Say About Red9

"Red9 picked it up and ran. We had the database up and running within hours! Red9 is very knowledgeable, responsive and easy to work with. I would highly recommend Red9 for any SQL project!"

Carla Letendre

Carla Letendre

IT Application Manager · JHL Constructors, Inc.Elizabeth, CO

"Red9 implemented a project internally named The NOT waking up the DBA's. The results - great. As I was one of them. Also wanted to mention the work with analytics team and the analysis servers to get the indexes tweaked and the performance tuned."

DBA Manager

Denver, CO

"Red9 successfully helped us with the execution and analysis of some complex testing in Azure related to a hybrid product architecture. The project completed on-time and successfully, and I highly recommend Red9 SQL services."

CTO

Phoenix, AZ

What to expect

How a SQL Server Engagement Works

No stretched-out discovery, no handoff to a junior. The roadmap and its expected payback reach you first.

We Listen

The first job is getting the real problem straight: which servers are in play, how the symptoms show up, and what the database owes the business each day. We ask a lot before we put any proposal on the table.

145-Point Health Check

The 145-point health check looks at instance configuration, whether your backups would genuinely restore, where security is exposed, and what is dragging queries, then ranks each finding by impact. Curious before you call us? Point the same free, read-only audit at your own server through our self-serve Health Check.

Findings and Pricing

We take you through what turned up and what it costs, one line at a time. You walk away with a ranked roadmap and a firm number, with nothing buried in fine print.

Execute and Support

Once it makes sense to work together, we run the roadmap and put the before-and-after numbers on the table so the gain is measurable. From there, ongoing managed services hold the server healthy and keep the same problems from creeping back.

Free 145-Point SQL Audit Finds What Your Team Can't See ➜

Real results

Real Engagements, Real Numbers: Disk Reads Cut ~884,000x

Each of these is a genuine Red9 project, worked start to finish. Every figure is what the client clocked before we started and after the fix shipped. Names stay out of it because the clients asked.

Index tuningOnline apparel seller, anonymized × red9CS-0097

An e-commerce stored procedure run 3,000 times a day, from 2.65 million reads to 3

The problem. An online apparel seller with a busy catalog and checkout path leaned on one stored procedure roughly 3,000 times a day, and each call ripped through 2,653,580 logical reads at about 1,075 ms a run. That single routine was pinning storage and stretching out every operation that touched it.

What we did. We captured the plan and statistics, then added a covering index matched to the procedure's filter and output columns, so the engine seeks a few rows instead of scanning the whole table. Before and after landed in the same capture.

Red9 · Performance Impact
Disk reads removed
~884,000x
2,653,580 logical reads per call down to 3.
Per-call duration
>1,000x
1,075 ms down to under 1 ms per run.
SQL capacity reclaimed ~53 min/day

Across ~3,000 daily runs of the same procedure, on the same hardware.

Disk reads
2,653,580 3
~884,000x less
Duration
1,075 ms <1 ms
>1,000x
Executions
~3,000 / day
unchanged
Disk reads
per call
before 2,653,580
~884,000x less
now 3
How the numbers break down. Each multiple is the old value over the new one, so 2,653,580 reads divided by 3 lands near 884,000x. The ~53 minutes reclaimed each day is roughly 3,000 runs at the ~1,074 ms trimmed off each. Everything traces to the client's own captures on both sides of the change.

The result. The procedure now reads 3 pages instead of 2.65 million and returns in under a millisecond. Over roughly 3,000 daily runs that hands the retailer back about 53 minutes of SQL time a day, and the storage it used to burn is off the instance.

The technical detail

What the review turned up. The procedure filtered a large table with no supporting index, so every one of its ~3,000 daily calls scanned the table end to end, about 2,653,580 reads each time.

What we changed (identifiers generalized for privacy):

-- Procedure scanned the full table: 2,653,580 reads, ~1,075 ms, ~3,000x/day.
CREATE NONCLUSTERED INDEX IX_catalog_lookup_covering
    ON dbo.[catalog_items] (/* filter cols */) INCLUDE (/* output cols */);
-- procedure rewritten to seek the covering index; DROP INDEX rollback provided

The covering index turned the scan into a seek: reads fell from 2,653,580 to 3, and the run dropped from about 1,075 ms to under one.

Emergency / outage responseIdentity-verification platform, anonymized × red9CS-0427

Write latency spiked on both production nodes, cleared under a single emergency ticket

The problem. An identity-verification platform running a two-node production pair watched write latency climb on both nodes at once. With writes backing up across the pair, the whole verification pipeline was at risk, and there was no third node to fall back to.

What we did. We opened emergency support and put 14 hours into the chase under one ticket: pulling wait stats, tracing the writes that were stacking up, and working both nodes until write latency settled back to normal. Findings were logged as we went.

Red9 · Performance Impact
Write latency, both nodes
Restored
Both production nodes back to healthy write latency.
Emergency effort
14 hrs
Start to finish, inside one emergency-support ticket.
Nodes recovered 2 of 2

Both production nodes stabilized without adding hardware.

Response
Emergency, same day
senior DBA
Nodes
2 restored
both
Tickets
1
single
Write latency
both nodes
before elevated
restored
now normal
How to read this one. This was an outage call, not a tuning project, so the win is qualitative: both production nodes returned to normal write latency. The 14 hours is the time logged against a single emergency ticket, taken straight from Red9's own record of the incident.

The result. Write latency on both nodes came back to normal and the verification pipeline held, all under one emergency ticket with no new hardware. The client had a senior DBA on the problem the same day, with no queue to sit in.

The technical detail

What the review turned up. Write latency was elevated across both production nodes at the same time, so the priority was reading live wait statistics and isolating the writes that were stacking up before anything got changed.

What we checked first (identifiers generalized for privacy):

-- Emergency triage: read live waits and pending IO on both nodes.
SELECT wait_type, waiting_tasks_count, wait_time_ms
FROM   sys.dm_os_wait_stats
ORDER  BY wait_time_ms DESC;
-- traced write-heavy sessions on each node until latency returned to normal

Working the wait stats and pending IO on each node in turn brought write latency back to normal across the pair, all inside the one ticket.

Deadlock / blocking resolutionCPA firm, anonymized × red9CS-0437

Daily deadlocks on an accounting platform cut by about 70%

The problem. An accounting and CPA firm was living with a steady run of deadlocks on its production database, averaging 147 a day by the prior report. Every deadlock is a rolled-back transaction and a retry, so staff kept hitting failures and slowdowns in the middle of client work.

What we did. We pulled the deadlock graphs, found the access-order and indexing patterns that kept sessions colliding, and reworked the hot queries and their indexes so transactions take locks in a consistent order and hold them for less time. We tracked the daily deadlock count before and after.

Red9 · Performance Impact
Daily deadlocks
~70% fewer
Averaged across the production workload, on the same hardware.
Deadlocks per day
147 ~44
Prior report down to the post-fix average.
Rolled-back work ~103/day fewer

Failed-and-retried transactions, compared with before the fix.

Deadlocks / day
147 ~44
~70% lower
Lock order
Inconsistent Consistent
stable
Hardware
Unchanged
same box
Deadlocks
per day
before 147
~70% fewer
now ~44
Where the number comes from. The ~70% is the drop from 147 deadlocks a day in the prior report to roughly 44 a day after the work, which is about 103 fewer rolled-back transactions daily. Both counts are the firm's own before-and-after readings.

The result. Daily deadlocks fell from 147 to around 44, about 70% fewer, so far less work is rolled back and retried during the day. Client tasks that used to fail under contention now run through.

The technical detail

What we uncovered. Hot transactions touched the same tables in different orders with weak index support, so sessions blocked each other and tipped into deadlocks, about 147 a day.

What we changed (identifiers generalized for privacy):

-- Aligned lock order and covered the hot filters so sessions stop colliding.
CREATE NONCLUSTERED INDEX IX_ledger_hot_covering
    ON dbo.[ledger_entries] (/* filter cols */) INCLUDE (/* output cols */);
-- hot transactions reordered to a consistent access path; rollback scripts provided

With a consistent lock order and covering indexes on the hot paths, contention eased and daily deadlocks dropped from 147 to about 44.

Key takeaways

What Denver Teams Hire Red9 For

  • Every DBA who touches your servers is senior, with 15+ years logged. SQL Server is all we do.
  • Numbers we can show our work on: a stored procedure reading ~884,000x fewer pages, a two-node outage cleared under a single emergency ticket, and daily deadlocks cut about 70%.
  • We work remotely across the Denver metro, and a 15-minute emergency response covers Managed Services and Emergency Services clients.
  • A client base of 120+ reaches into aerospace and defense, energy, telecom and technology, and healthcare and bioscience.

All three of those wins came off other teams' SQL Servers. Let us dig into what yours is sitting on.

Get a Free SQL Server Assessment ➜

Questions? Reach a senior DBA directly at 1-877-891-1870

Why Red9

Why Denver Teams Choose Red9

Senior Only

Principal-grade SQL Server and performance experts run every engagement. No junior tier practicing on your production server.

SQL Server Is All We Do

Nothing but SQL Server since 2014, thousands of servers deep, with well past 10,000 databases audited.

We Prove It

Every job ships with before-and-after numbers, the kind your own team can reproduce.

24/7/365

When production goes down at 3am, covered clients on Managed Services or Emergency Services reach a senior DBA in 15 minutes.

"You are not based in Denver. Can you still help?"

Yes. Most of the clients we serve run remote, and it holds up. A senior DBA is reachable through your whole Denver workday on Mountain time, with 24/7/365 emergency cover beyond that for Managed Services and Emergency Services clients. Access stays yours: secure remote connections run over your own VPN or bastion host on least-privilege logins you create and can pull at any moment, with extra security layered on top, and we hand you every change as a script your team reads before it runs.

How we compare

Red9 vs an In-House DBA vs a Generalist MSP

Where each option really lands the day a SQL Server problem drops on your desk in Denver.

Red9In-house DBA hireGeneralist IT / MSP
SeniorityPrincipal-grade SQL Server specialists exclusively, 15+ years on average, and never a junior.You lean on one individual, and a single stretch of leave leaves you exposed.Largely generalists, fitting SQL Server in around a dozen other systems they support.
SQL Server focusSQL Server is all we do.Stretched thin across everything else they are on the hook for.A single entry on a sprawling technology menu.
Emergency responseAround the clock, a senior DBA answering inside 15 minutes for Managed Services and Emergency Services clients.Whatever one person can cover, minus nights and time off.You take your place in a queue that can run hours or days.
ProofBefore-and-after numbers you can check on your own.Seldom tracked, and kept internal.Usually none to show.
Cost modelBilled by the scoped project, by retainer, or by the incident, with no salary or benefits for you to carry.A loaded Denver salary of roughly $150,000 to $175,000, before benefits and idle time.Bundled into a bigger invoice, and shallow where depth matters.
Ramp-upSenior expertise live in a matter of days.A hire-and-onboard cycle measured in months.Slow off the mark, and every fresh ticket means briefing them from scratch.

Have senior SQL Server help in place within days. Get a Free SQL Server Assessment ➜

Your team

The Leadership Accountable for Your Denver Project

Mark Varnas, Red9

Mark Varnas

Founder & Partner

25+ years making SQL Servers faster.

Saulius, Red9

Saulius

Chief Operating Officer

Chloe Pak, Red9

Chloe Pak

Chief Revenue Officer

Every Red9 engagement runs on a senior-only DBA team averaging 15+ years of hands-on work, with a lead personally on the hook for the outcome.

Where we work

Red9 in the Denver Metro

We back Denver teams over secure remote access, across Denver, Aurora, Boulder, Lakewood, Centennial, and Littleton, and out into Boulder and Douglas counties. The same senior DBA is on the call whether your stack sits downtown, in the Tech Center, or up in Broomfield.

Service areaDenver, the Front Range, and statewide Colorado, plus nationwide via secure remote access
HoursMon to Fri, 9am to 5pm Mountain (Denver time)
Always-on supportEmergency Support and Managed Services clients: 24 / 7 / 365. Emergency support ➜
Areas we serve

SQL Server Consulting Near Denver

We support teams across the metro and throughout Colorado. Explore the areas we serve.

Aurora Boulder Lakewood Centennial Littleton Arvada All areas we serve
Buyer's guide

How to Choose a SQL Server Consultant in Denver

Whoever you bring on, hold them to these five checks.

  • One Platform, Not Twelve

    A shop that works SQL Server and nothing else will know it far deeper than an MSP spread thin across dozens of products.

  • Senior-Only Staffing

    Pin down exactly who will be working on your server. A bargain rate tends to hide a junior tier learning on live production.

  • Numbers You Can Reproduce

    Hold out for metrics you can run yourself: query duration, reads, and CPU, captured before the change and after it.

  • An Emergency SLA in Writing

    Get the response-time SLA, and exactly who it applies to, down on paper before you sign.

  • Case Studies With Real Figures

    Look for actual projects carrying actual numbers, even where the client name is held back.

Quick facts

Red9 at a Glance

HeadquartersAlpharetta, GA (Atlanta metro)
Founded2014
FocusMicrosoft SQL Server only
TeamSenior-only DBAs, 15+ years average experience
Clients120+, from startups to the Fortune 100
Databases audited10,000+
Rating4.9 out of 5, 120+ reviews
Emergency response15 minutes, 24/7/365, for Managed Services and Emergency Services clients
Engagement modelsScoped project, monthly retainer, or per-incident
Service areaDenver and the Front Range, plus nationwide via secure remote access
Common questions

SQL Server Consulting in Denver: FAQ

Is there a SQL Server consultant near me in Denver, or is remote coverage enough?

Remote is how this market already runs, and it covers nearly every client we take on along the Front Range. Red9 serves Denver and the wider metro, from downtown and the Tech Center out to Aurora, Boulder, and Littleton. Secure remote access plus a 15-minute emergency response for Managed Services and Emergency Services clients means a senior DBA is on your problem hours before anyone could schedule a drive out. Near me really means senior help that reaches your server fast, wherever it sits.

How fast does Red9 respond when a Denver production SQL Server fails?

15 minutes, any hour, any day of the year, and a senior DBA answers instead of a ticket queue. This response-time SLA is available to current Managed Services clients and Emergency Services clients. See Emergency Services ➜

What should a Denver company budget for SQL Server performance tuning?

The first step, a free 145-point health check, costs nothing. Beyond it, managed services and remote DBA start at $395/mo, a 20-hour block of senior DBA time is $4,995 and those hours do not expire, and 24/7 emergency response begins at $2,500 per incident. Stack that against the loaded Denver salary of roughly $150,000 to $175,000 in the comparison above and the budget conversation gets short. Bigger or ongoing work is scoped once the health check is in, so you know the full number before you sign.

Who answers when a Denver SaaS platform goes down at 2am?

A senior DBA, inside 15 minutes, for Managed Services and Emergency Services clients. Overnight incidents get the same discipline as daytime ones: we pull the wait statistics and error logs first, isolate whether the pain is storage, blocking, or a bad plan, and fix the cause before the morning traffic ramp. That is how the write-latency spike in case #2 above got cleared on both production nodes under a single emergency ticket.

Can SQL Server keep up with oil and gas telemetry volumes on a Denver estate?

It can, once the write path is designed for the firehose. Sensor and well data arrives in steady high-volume streams, so we size and batch the inserts, partition the big history tables by time, and keep the raw feed apart from the reporting workload so analysts stop slowing ingestion. Retention gets enforced by partition switch instead of million-row deletes. The estate absorbs years of telemetry without the nightly jobs falling behind.

How do Colorado accounting firms get their SQL Servers through tax season?

By fixing the collisions before the deadline crush arrives. Accounting platforms deadlock when posting, reporting, and imports all fight for the same tables, and season multiplies every fight. We pull each deadlock graph, straighten the indexing and locking order behind it, and prove the fix under load. The same approach cut daily deadlocks about 70% on the platform in case #3 above and it holds when filing volume peaks.

Version support, cloud platforms, and the mechanics of an engagement are all covered on our SQL Server consulting page.

Want Your Denver SQL Server Running the Way It Should? Talk to a Senior DBA Who Serves Denver.

Give us 30 minutes. We will show you where your SQL Server is leaking speed, uptime, and money, and what it takes to set it right. The free assessment lays the findings and the number out for you before anything else. If it pencils out, we carry on from there.

Schedule My Call Now ➜

Questions? Reach a senior DBA directly at 1-877-891-1870