Your Trusted Insurance Partner
Our Agency has helped thousands of Texas clients find the lowest rates available and the best insurance plans to protect their cars, homes, businesses, and families for decades. Let us do the same for you! Go BIG, Save BIG!
Our Mission: Coverage with Expertise
As a Texas independent agency, we are dedicated to serving you. We represent several leading insurance companies rather than any single provider. Therefore, we have the ability to continually monitor the marketplace and offer you the best possible rates.
Our mission is to provide you the highest level of customer service and dedicate our resources to meet your needs and earn your trust. Our success is based on your continued satisfaction.
Our Story
BIG-Brock Insurance Group, was founded on a simple belief: people deserve clarity, care, and real advocacy when it comes to protecting what matters most.
From day one, we set out to be a neighbor first and an agency second—growing through trust, referrals, and the outcomes we deliver for Texas families and businesses. We have become a trusted partner in Texas.
Our office includes a state-of-the-art computer system for policy services, and a comparative computer rating service. This gives our agents the ability to get rates quickly and to be able to compare each policy coverage with all our carriers to get you the best rate year after year. Our Agency has helped thousands of Texas clients for decades. Let us do the same for YOU!
We serve clients all over Texas with offices in Friendswood and New Braunfels Texas.
Meet Our Team
Mark Brock
Founder
Hello, I'm Mark Brock, founder of BIG-Brock Insurance Group. As a 4th generation agent with over 30 years of experience in the insurance industry, I've dedicated my career to helping families and businesses in Texas overcome their insurance challenges with solutions that offer both security and savings.
Jessica Engesveen
Commercial Lines Account Manager
Quick Q&A
How long have you worked in insurance?
Over 18 years of experience in the insurance industry, with a strong focus on commercial accounts and client service.
What types of insurance do you specialize in?
Commercial Property and Casualty with experience in Personal Lines and Recreational
What do you enjoy most about helping clients protect what matters?
I love giving business owners peace of mind. Knowing that I can simplify the process, explain coverage clearly, and make sure they’re truly protected means everything to me. At Brock Insurance Group, we don’t just have clients — we have partnerships. When our partners’ businesses are well protected, they thrive, and that success helps us grow too. I take pride in personally connecting with each of my partners and making myself available 24/7 for questions or guidance.
In your opinion, what makes BIG-Brock Insurance Group stand out from the rest?
We build genuine partnerships. Our clients know we’re invested in their success, not just their policies. We’re responsive, transparent, and dedicated — when they thrive, so do we.
Where are you from originally?
Texas born and raised! More specifically Houston, TX.
Tell us one fun or interesting fact about yourself:
I run a creative side business called Yellow Rose Bling Co. where I design custom blinged jerseys, shoes, and more.
What do you enjoy doing outside of work?
Spending time with my family, crafting with my Cricut, reading thrillers, and watching Houston Sports (or the Chiefs during Football season).
Favorite Texas hangout, restaurant, or hidden gem:
Garner State Park in Concan — it’s been an annual family tradition for the last 8 years.
Favorite quote, motto, or saying you live by:
Texas women don’t just chase dreams — we rhinestone them, protect them, and make sure they shine.
Elvie Reformina
Commercial Lines – Virtual Assistant
Quick Q&A
How long have you worked in insurance?
I’ve been working in real estate insurance for 4 years and 7 months. I started with no background in insurance, but over time I’ve gained solid experience in the field.
What types of insurance do you specialize in?
I specialize in personal lines insurance, providing quotes for auto, homeowners, and flood coverage. I also support commercial lines clients with documentation and email assistance to make the process smooth and straightforward.
What do you enjoy most about helping clients protect what matters?
What I enjoy most is being the reliable support behind the scenes. As a virtual assistant, I make things easier for clients and our team by organizing documents, answering questions quickly, and providing insurance quotes. I take pride in knowing that my attention to detail helps both families and businesses feel secure about their homes and properties. It’s rewarding to support their journey, allowing them to focus on living life and running their business while I help protect what matters most.
In your opinion, what makes BIG-Brock Insurance Group stand out from the rest?
BIG-Brock Insurance Group stands out because they protect both personal and business needs. From homes and cars to properties and companies, they offer tailored coverage, fair rates, and dependable support. Their quick response and client-first service make them a trusted choice for peace of mind.
Where are you from originally?
Mountain Province of Rizal, Philippines
Tell us one fun or interesting fact about yourself:
I rescue animals and right now I’m taking care of more than 20 cats and 9 dogs. My home is full of wagging tails and playful paws. It can be a little messy and noisy, but it’s also full of love. Helping abandoned animals feel safe and happy is one of the best parts of my life.
What do you enjoy doing outside of work?
Outside of work, I enjoy spending time with my family and close friends, which helps me relax after a busy week. On weekends, I love caring for my cats and dogs—playing with them and bathing them can be a handful, but it always makes me happy. I also enjoy watching Korean dramas and true crime documentaries because they keep me entertained and curious.
Favorite Texas hangout, restaurant, or hidden gem:
I’m not from Texas, but if I ever make it there, Hamilton Pool Preserve is first on my list—it looks like a place you’d never want to leave. I also want to join a country music festival and see real cowboys with hats and boots. That feels like the true Texas experience!
Favorite quote, motto, or saying you live by:
Do small things with great love.
Ruth A Saenz
Personal Lines Account Manager
Quick Q&A
How long have you worked in insurance?
24 years.
What types of insurance do you specialize in?
Auto, Home, Renters, Windstorm, Flood, Umbrella
What do you enjoy most about helping clients protect what matters?
Helping clients feel secure, confident, and cared for—that’s what makes this work meaningful.
In your opinion, what makes BIG-Brock Insurance Group stand out from the rest?
Our unwavering focus on personalized service and genuine relationships.
Where are you from originally?
Houston, TX. Raised in Pearland TX
Tell us one fun or interesting fact about yourself:
I love spending time with my grandchildren. They keep me young! I enjoy helping others in need.
What do you enjoy doing outside of work?
I enjoy shopping, couponing, dancing and making memories with my family and friends. I truly value time and laughter.
Favorite Texas hangout, restaurant, or hidden gem:
I enjoy San Antonio and walking the market square.
Favorite quote, motto, or saying you live by:
Relationships, empathy, and trust are the heart of everything!
Brenda Ann Guerra
Servicing all customers policy needs
Quick Q&A
How long have you worked in insurance?
28 yrs. It's crazy how I started in insurance one day walking in to make a payment and next asking me if I was interested in working for the agency.
What types of insurance do you specialize in?
Auto, Renters, Umbrella, Recreational, Home
What do you enjoy most about helping clients protect what matters?
Helping clients save money while ensuring they have the right protection for their most valuable investments
In your opinion, what makes BIG-Brock Insurance Group stand out from the rest?
Personality and humility – genuine commitment to care for clients like family
Where are you from originally?
TEXAS, that is San Antonio
Tell us one fun or interesting fact about yourself:
Dancing to freestyle 80's music
What do you enjoy doing outside of work?
Shopping, Wine Tasting with our friends, I enjoy spending time with our adult kids
Favorite Texas hangout, restaurant, or hidden gem:
Maria Rita’s on 45 – home of the BEST Mango Rita's
Favorite quote, motto, or saying you live by:
Procrastination Leads to No Destination!!
What Sets Us Apart
Client Commitment
We put our clients first, ensuring that every policy is tailored to fit their needs. Our approach is centered around delivering exceptional service and value, with a focus on long-term relationships.
Security-First Mindset
We protect what you’ve earned before we pursue new growth, ensuring you never build on shaky ground.
Expertise in the Texas Market
With deep roots in Texas, we know the unique challenges and opportunities that the state presents. Our team leverages local knowledge to offer the most relevant insurance solutions.
Fourth Generation Experience Since 1992
Serving Texas families and businesses across generations with seasoned guidance, local advocacy, and proven results since 1992.
Over 100 Carriers—Best Rate for You
We compare 100+ trusted carriers to tailor coverage and value—so you don’t have to shop around.
Technology Focus and Leverage
Fast quotes, secure digital service, and proactive reviews—technology that elevates your client experience.
How We’ve Made a Difference
“We operate 4 companies that have insurance policies through Brock Insurance. They have great and prompt service and calling them for service or advice is a pleasure. They are attentive to our needs and make sure we are up to date with all of our policies.”
“If you are looking for insurance (home, auto and business insurance). I highly recommend that you use Brock Insurance Group! They will shop over 100 insurance carriers to get you the BEST price/coverage with the best customer service. They have saved thousands of customers money on their premiums.”
Ready to protect what matters—with clarity and confidence? Go BIG, Save BIG!
As an independent Texas agency, we compare 100+ trusted carriers and explain your options in plain language—for home, auto, business, and life. Expect quick quotes, proactive reviews, and a local team that advocates for you from quote to claim.